CA2507075A1 - Game console and memory card - Google Patents

Game console and memory card Download PDF

Info

Publication number
CA2507075A1
CA2507075A1 CA002507075A CA2507075A CA2507075A1 CA 2507075 A1 CA2507075 A1 CA 2507075A1 CA 002507075 A CA002507075 A CA 002507075A CA 2507075 A CA2507075 A CA 2507075A CA 2507075 A1 CA2507075 A1 CA 2507075A1
Authority
CA
Canada
Prior art keywords
game
portable
main body
card
game console
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002507075A
Other languages
French (fr)
Other versions
CA2507075C (en
Inventor
Hiroshi Yoshino
Keizo Ohta
Yoshitaka Yasumoto
Kenji Nishida
Kenichi Sugino
Masato Ibuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nintendo Co Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/921,957 external-priority patent/US7786997B2/en
Application filed by Individual filed Critical Individual
Publication of CA2507075A1 publication Critical patent/CA2507075A1/en
Application granted granted Critical
Publication of CA2507075C publication Critical patent/CA2507075C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

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    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/60Methods for processing data by generating or executing the game program
    • A63F2300/66Methods for processing data by generating or executing the game program for rendering three dimensional images
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/60Methods for processing data by generating or executing the game program
    • A63F2300/66Methods for processing data by generating or executing the game program for rendering three dimensional images
    • A63F2300/6661Methods for processing data by generating or executing the game program for rendering three dimensional images for changing the position of the virtual camera
    • A63F2300/6669Methods for processing data by generating or executing the game program for rendering three dimensional images for changing the position of the virtual camera using a plurality of virtual cameras concurrently or sequentially, e.g. automatically switching between fixed virtual cameras when a character change rooms
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/60Methods for processing data by generating or executing the game program
    • A63F2300/66Methods for processing data by generating or executing the game program for rendering three dimensional images
    • A63F2300/6692Methods for processing data by generating or executing the game program for rendering three dimensional images using special effects, generally involving post-processing, e.g. blooming
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0247Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00Aspects of display data processing
    • G09G2340/10Mixing of images, i.e. displayed pixel being the result of an operation, e.g. adding, on the corresponding input pixels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/14Display of multiple viewports
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

A portable, handheld game console includes a main body incorporating a first display screen, and a cover body incorporating a second display screen. The main body is hingedly connected to the cover body along adjacent forward and rearward edges, respectively, such that the cover body is movable between a closed and open positions. The main body is provided with a plurality of control buttons and a pair o~ game card slots for receiving game cards of different dimensions. One of the game cards is substantially square and comprises a substantially flat card body having a plurality of electrically conductive terminal strips adjacent the forward edge. One of the side edges of the card has a single continuous step configuration along substantially the entire length dimension of the card... A first notch is formed in a first forward Corner of the card where the forward edge meets the other of the pair of side edges and a second notch is formed along the other of the pair of side edges, between the forward and rearward edges. 44

Description

GAMx: CONSOLE AND M"h~wSORY CARD
(000lj This application i= a contiriuation.in-paxt og application Sez'i.al No. 10/921,957, filed on August 20, 2004, which is hereby incorporated herein by reference.
[0002j 2'he illustrative embodi.mmnts relate to an electronic game anci coications device and, more specifically, ta. a new. console coaf~guration for a portable, handheld electronic game with du&1 screens.
Certain of. the . illustrative e~abodimeata. also relate to a portable game machine . inCludi.ng two or ~.tnore display units, on each of which a three-d~.measiorial game image, generated by a three-dimensional image proc~ssing u:~it.
is displayed.
~ACKGROIJND OF TFIE I~lVE.rITIOt~
[0003] Portable, ha;ndhcld game devices .are by now well known. in the art. See, for example, CT. S. 8atent Nos.
6.716,103; 5,743,104: 6,$21,204. Game devi,cea pxeviously have not had, however, dual screen functionality in combination with touch-sezzsitiv~ technology, and the capability of accommodating different-sized game caxds packaged in a~novel and easy--to-use game console.
BRIEP '.3'ESCltZpTION OF THE IL.LUSTRATIVB ~ODIMSNfiS
zn an exemplary embodiment of this invention, a portable, handheld electronic game device is provided is a unique console configuration, outfitted and arranged for easy access to various functional features and related aspects of the game devipg.

9~t7640 ~ .
X0005) Generally, the portable rune device in the exemplary embodiment is made up of a main body and a cover body that is pivotally attached to the tt~ain body for mvvea~ent ~tween open and closed positions. THtin, backlit, color liquid crystal displays (LCD's) are provided, one on each of the inner surfaces of both the main body and cover body such that, when the cover body ~.$ pivoted over the main body to the closed position, the display screens substantially overlie one another and are hidden frown ,view (and thus grotected). Each LCD is a three i.xlch screen that can reproduce true 3-T7 view's, and ono of the screens also employs touch-6erisitive technology for enhanced. interaction with associated games. To further enhance the interactive experience, a stylu$ is providQd with the game for activating the touch screen, and a blind bore is provided in the main body for storing the stylus when it is not being used.
[~6] The main body of the device .is also provided with all of the. game control buttons. Most of the control buttvas are on the inner fdGe of the main body, on either side of thQ display .screen, along wyth microphone, recharge, and power indicators. The rearward portion of a peripheral edge surrounding the main body also supports as additional pair of buttons for game control. The peripheral edge or the main body also provides access to various other features and functions of the de~rice. For example, a forward portion of the peripheral eage incorporates a volume control slide, a fixst game slot as well as headphone/micraphorxe correctors. ?'he rearward portion of the peripheral edgE
is provided with, in addition to the control buttons, an Z
9t7BAO

external extenai.on connector for connecting att AC adaptor that can be used to either recharge the internal battery or to operate the game device using household pourer; a wrist strap attachment mech~usism; the stylus part; and a second game slot designed to accommodate ~.axgex game cards from eaxlier game systems manufactured by the assi~ee of the invention. ' [000'7) zn addition to the LCD on - the inner face of the cover body, the latter is also provided with a pair of stereo ap~aavkera, one on either side of . the display screors .
[000$] A substantially square ga~ce or memory card designed especially for uBE with the game device disclosed herein has planar upper and lower surfaces, a ~orraa~rd edge, a rearward edge. and a, pair of side edges.
The forward end of the upper surface is. formed with a recess in whfch x plurality o! terminal or elecerical connector strips are located, extending from a rear wall of the rncQSS to the forGrard edge of the acrd. ,The texmiaal strips are parallel to each other sad are separated by raised ribs that extend from the rear soall of the recess to the farwaxd edge. These ribs protect the t~arminal strips from contact with. the user s hands or o Gl~er obi acts .
(0009) Aa enlaxged radius is provided at one forward corner of the card. Wners t:.s forwaxd ~rdgo of the card meets one side edgre oz the card. A first notch is also formed at this same cerner, and a second notch is Formed along this same side edge, intermediate tre forwaxd and 9~7sao rearward ends of the card. These two notches interact waith a spring-loaded "push-push" mechanism inside the game slot far controlled insertion and ejection o~ the game card Into and from the gs.~ne console.
(0010) The opposite forward cornex of the card is defined by a smallex radius merging into the othQr side edge xhat is defined by a stepped shoulder in the upper plane of the card, extending along the entire length of the Card. . This shoulder insures Correct orientation of the card when. inserted into the game card slot.
(0011) Accordingly, in one aspect, the pres~a~lt invention relates to a portable, handheld game console cornprisiag a main body incorporating a first display screw on an inner face of the snaia body, anal a cover body =ncorporat?ng a second display scxeea on ea inner face of the cover body, the main body .hingedly connected to. the cover body along adjacent forward and rearward edges, respectively, such that the cover body is movable betweFn a closed position where the cov~rr body overlies the main body with the First and aecond.display scxeens hidden froct~ view, and an open position where the cover body ;a i'olded away from the main body with the first and second display screens visible to a user; wherein the main body is provided with a plura~.ity of control buttons and at least one game card slat fox receiving a game Card of first predetermfx~ed deiong.
[0012) =n another aspect, the present~inverition relates to a portable, handheld game console Comprising 3 main body incorporating a first touch-sensitive display screen on an inner face of the main body, and a covex body i:~corporating a seco.~.d display screen on an inner face of the cover body, the main body hingedly co»rreeeed to the cover body along adjacent forward and rearward edges, respectively, such that the cover body is :provable between a closed positior. where the eov~ar body ovmrlieu the maim body with the first and second di:play screens hidden from view, and an open position where the cover body is folded away from the main body with the first and second display scxeens visible to a user: wherein the ma~.n body is provided with a plurality of control buttons, at least one game card slot for receiw~.ng a game card of first predetermined dime_~s~ions,; and a second game slot for receiving an4ther game card of seCOrid .gsedetexlni.hed dimensions different from the first predetermined dimensions.
X0013] Ia another aspect, the present invention relates to a substanti~clJ:y square memory Card fOr a game machi~(1e comprising a substantially flat card body having length, width and thickness dimensions. the card body.de~iaed by upper and lower surfaces, end by a forward 8dge, a rearward edge and e~ pair of side edges and a plurality of electrically conductive terrainal strips adjacent the forward edge; wherein one of the aide edges has a single continuous step configuration a3.ong the entire length dimension of the card, and wherein a first noteh is formed is a~ firs;. Eor,,vard corner of tii~ card where the forward odge masts the other pf the paix' of side edgea.
tD014] In accordance with a featsre of as illustrative embodiment, the portable game machine includes sa~soo hardware/softwars capable of simultaneously displaying different thrte-dimensional images on two display units by using a single threr dimensional image processit2g unit without causing flicker on di:play screens.
[0015] Alaa, another feature of an illustrative embodiment is ko make it possible for a portable ganse machine to include two display units, at least one two-dimensional image processing unit, aid a single three-dimensional ir.~age processing unit, wherein a, game image generated by the two-dimensional im8,ge processing unit is displayed on . one of the display ut~,its and a game image generated by the three-dimensional image processing unit is displayed on the other display unit, and to simultaneously disnI,ay different three-dimensional game images on the two display units without adding another three-dimensional image processing unit or substantially Changing the configuration o~ the portable game machine.
(0016] The handheld portable game .device and associated memoxyr card in accordance with this inv~tion will now bs described in detail in connection-. with the dre~w~,ngs identified belota.
BRIEF D~SC~tIl''xION OF THE DRAW=NG5 [OOI7] FIGURE 1 is a perspective ~riew of ~ the electronic game and conaronicat~.ons device in aGcordanGe with an exemplary embodiment of the iuventian, with the device shown in arz open, ready-to-use arientati,an;
(0418] FIGURE 2 i.s a inverted perspective view of the game device shown in Figure 1;

(OOt9] FF~3tJRE 3 is a front elevation of the device shown i.n Figure 1, but with the gam! shov~m. in a closed position:
[~20] FzGUxR 4 i$ a rear eievatioa of the device shown in Figure 3;
[OQ21] FLGtl~ 5 is a perspective view of a stylus for use with the game devise $hov~m irr Fi.gurls 1-4;
[0022) FxGURB 6 is a plan vi~eur of a game card for use with th! game device shown in Piguses 1-$:
(002] FIGURE ? is a rear perspective view of the game card shown i.a figure 6:
[402~4j P'IGURR 8 is an enlarged. perspective view of a front, right corner of the Lard shown in Figure 6;
(0025] F=Q~$ 9 is an external view of a portable game machine according to a further illustrative embodiment of the present invention; .. ..
[0026] FIGURE 10 is an illustration showing an internal configuration of a portable game machine; - ~- ' [0027] FZGL7RR 11 is an iliustratioa showing an internal e.oafi.Quratian of a GptJ 222; .
[0028] P'=GGRE ? 2 f a an i llustration showing th~
operation of a portable game machine in an odd-numbexea frame; .

9a7sao (0029] FIGURE 13 is an illustration showing the operation of the portable game machine in an even-numbered frame;
[0030] :3GU~tFs 14 is an il.lustxation showing ore ~cample of a virtual three-dimensional game space;
(0031] F=GURE 15 is as illustration showing one example of a game ~creea displayed on a first display screen lla and a second display screen 212x; ~.
[0032] FIQUR~ is is a flowchart sbowirig the operation of an illustrative portable game machine;
(0033] FzGURE 17 is a flowchart showing a flow of as odd-numbered frame rendering/displaying process;
[0034j r IGURE S 8 i s a f 1 owchart showi~st~ a f low o f an even-numbered Erases zendering/displaying process;
[0035j FIGURE 19 is an illustration showing an original two-dimensional game image generating process to be performed by a two-dimensional image pxaGessing unit 37;
and (0036) FiGUTrtE ZO is an illustration showing an internal confirmation of a c~u as according to an exemplary modification of the preser_t iavantion.
NAILED D~SCRZ$TIOI~1 DF TFiE I~TBrTTION
[0037] Referring to xigures 1 and 2, in an illustratitre embodiment the game device or coriso7.e 10 includes a main body 12 and a cover ~bodY 19 hingedly coru~$cted to each other along an upper edge of the main body la and a lower edge of the cover body 14 (rsfexences herein to terms such as "upper~ and ~loarsr" and "fox'ward° and 'rearwaxd"
are for Ease of undarataaaing and are made relative to an orientation of the gams device where the cover body 14 is in eon open position and the game is being held by a user in a normal operating.position). Hirsgs elements a6, lg and 20 oa the main body i2 mesh with h~t~e elements Z2 and 24 on ~ the cover body, with a hinge .pin (not.. ~o~!
extQnding through the ali9sled hinge ~ elements i.n conventional fashion. Note that because hinge elements 15, is and 2o extend from the upper Ior iririer) face 26 of the main body 12, the cover body 14 Qverlies the upper face 26 when tlse cover body 14 is closed over the main body, Hlhen th~ cover body 14 is.. is its. fully opsri position, it is substarstially parallel to the main body 12 but lies in a substantially parahlsl;...vffset plane.
The main body lZ also has a lowmr tor; oucer)~~faae 28 tFigure 2) and a peripheral edge 30. ..
X0038] A fixst display screen.32 is recessed within the upper face 26 of the main body- lZ with dimensions .of approximately 3 ~. inches in length and 1 7/e inches in width, yielding a diagonal screen dimension of 3 ir~.ches-~'ne screen in the exemplary embodiment is a backlit, color liquid crystal di.aplay (LCDl. this screen. is touch sensitive and may be activated by a stylus, described further herein. A gawer button 34 is located in the upper 7.eft eorner of face 26 arrd is used .to turn the gams on and off. A Cross-shaped directional eontxol button 36 947~40 is located adjaeert and below the power button 34, cad is used for game play control.
(0039] In the upper right corrrex of the main body 12, there are side-by-side "start" and 'select" buttons 38, 40, respecti~rely, with XIY/A/B buttons 4a located adjacent arid below the 'start" and select" buttons.
Buttons 38, 40 and 42 are also used for game play control. A microphpne.44 is located,pelow the left edge of screen~32 for use with, specially designed games having a microphone feature. A battery recharge indicator L
4,6 and a power indicator LED- 48 are also located on the upper facQ 26, adjacent the lower edge. thereof, below the right edge of screen 32.
[0040] LVith reference now especially to Figure 3, a lower or forward portion.50 of the pariphexal edge 30 (closest to tr~e user) is provided with. a volume control elide 52 and headphone and microphone.c0~cnnectax3 54, 56 on either side o~ a Lust game slot 58.- Slot 58 is especiall~r designed for larger game cartridges ox cards originally designed for uae with the assignee s Game Eoy Advanced game system.
[0041) As. best seen in F~.gure 2, an upper or rearward portion 60 0~ the psrripheral edge 30 is provided with an external extension connector 62 that paz~mits connECtion to an AC adapter for recharging the itltern$1 battery (not s!zown) , or for operating the game using houselsold power.
A second game slot 69 in edge portion 60 is designed for receiving memory or game cards especially designed fnr this game device. The second game s~.ot 6A is smaller s4~aap them the first game slot 58, refl~ctirtg the different sizes of the game cards. Openings 66. 68 farm an elbow-shaped through slot adapted for seeuxing a wrist strap (not shoam) , thereby enahlirlg t:'~e user to secure the game device to the body and thus miniiniae the potential for losing or misplacing the game. A stylus pert or holder.
in the form of s blind bore 70 is located adjacent the wrist-strap mount for holding a stylus ~1 (gigure 5) before or after use.
[4042] The stylus 71 is a plastic pesicil-shaped device with a rounded tip 73 an~,is used to activate the touch screen 32.
[0043] A pair of left, right control buttons (or shoulder buttons) ?2, 74 are located on the peripheral edge 30, at the corners where the upper port3oa 60 of the peripheral edge 30 meets the side portions 76, 78 of the peripheral edge. 1'he locs.tion of these buttorre and the location of previously described buttons,34, 36 arzd 42 facilitate manipulation game control by the user's thumbs and index fingers when the game is held with two hands in a natural and intuitive man.~er.
j0044] The lower (or outer) face 28 of the main beay is provided wit: a battery cover 80 (Figure 2) for accessing a rechargeable battery pack located within the main belly.
[0045] The cover body 14 also has su upper (ar inner) face 82 (Figure 1S and a lower (Or outer) face 84 (:figure 2) connected by a peripheral edge 86. The upper face BO incorporates a second display screen 88 of ~~sao substantially the sa=ne dimension: as screen 32. Screw 88 is also a backlit color LCD. The cover body 14 also incorporates a pair of stereo speakers, with speaker grills 90, 92 located on opposite sides of the screen B8.
Dimples ox pads 94, 96 may be located above and laterally of screen 88. The dimples may be made of a com~rressible polymer or oth~rr suitable, material axed serve to dampen engagement of the inner surface 82 of the cover body 14 with the .inner surface 26 0~ the maul body 12 when the cover body is closed over the main body:
[Q046j Ag already noted, the Qame card slot ~$ is sized and adapted to receive a conventional game card designed fox the by now well known Ninterida Gameboy Advariae system. Accordir_g'_y, the game card per se for slot 58 does not form any part of this ilwentioa and need not be deseribed.turther.
[0047] The new game or memory card 7.00 designed especially. !or use with this gams device is shown in Figures 6: 7 and 8.
~Q048j The game or mernary card...lp0 ? s preferab7.y of molded plastic corsstxuction and has substantially planar upper and lower surfaces 102, 104, respectively, a forward edge 106, rearward edge 108 and side edges 110, 112. The forward snd of the upper surface x.02 is formed with a rectangular recess 114 iz whi.ch a plurality of terminal rstrips 116 are located, extending from a .ear wall 11$ of the recess to the forward edge 10b of the card. The rearward wall ~15 of the recess is substantially perpendiculisr to the upper and lower surfaces 102, 104 but, as a practical matter, is sloged by no more than about 3 degrees simply to facilitate removal of the card from the mold, during manufacture of the card. The terminal strips lib are pa.allel to each other and are separated by raised ribs 120 t'aat also extend from the reaz' wall 119 to the forward edge .106.
The :ree ends 122 of the ribs 120 are chamfered as best seen ix~ Figure $ to facilitate slidaag entry of the card into the slot 58 in the train body 12... Ribs 120 also protect. the termiridl strips 116 from contact with the users ~ hands or other obj ect$ . The recess 114 arid array of terminal strips lib are not centered along the forward edge 1,06 of the card, but rather, are offset laterally toward the side edge T1Z for s purpose explained in greater detail below.
[0049] ~ enlarged radius 12A is fozm~ed at forward ooxzler 126 where the side edge 110 meets forward edge 106. A first notch 128 is ~orm~d in corner 12b. defined by a vertical aotrh s~.de wall 130, a vertical hatch back wall 132 and a flat notch bottom wall. 134. The latter is parallel to the upper sad lower card, surfaces 10z, 104.
while notch side wall 130 is parallel to side edges 114.
112, acrd. notch back wall is perpendicular to the notch side wall 130 arid paralltl to the card torward edge 106.
The depth of the notch is about hdtlf the appXOximate 1/8 inch thickness of thg card, and the length of ..he notch is about '~ inch, which in turn, is about half the length of the recess 114. Rearwardly of the notch 128. along the card side edge 110, there is formed a second notch 136 that opens to the side of the Card, defined by parallel side walls 140, 142 and a back wall 344. Side walls 140, 142 are parallel to forward and rearward card edges 1(Ifi. 108 while back wall .44 is parallel to card side edges 110, 112. An angled Surface 145 carnects back wall 144 to the edge I10. here again, the depth of the notch is about half the thicIsness o~ the card, and the length of t:~e notch is about 1/8 inch.
[OOSOJ Notches 128 and 3.36 coo~exa:e with components of a .»push-push mechanism inside the game slot 6G to provide controlled, spring-loaded mave~mezit of the game card during insertion and ejection.
(0051] ..The opposite forarard corner . i46 of the card where side edge 7.12 meets forward edge 106 i.s defined by a smaller sadiuS than radius 124. Note that the forward surfaces 148, 250 of the card on either side of the recess 114 axe also chamfered to ~Gubsta~tially the same degree as the chamfer on ribs 120.
[4Q52J hide edge 112 is stepged along its entire length in the upper plane of the card only, as defined by horizpntal shoulder 152 that is parallel t0 upper and lower surfaces 102, 104 and a xeceased edge portion shoulder 154 that is parallel to the side edges 310 112.
this shoulder insures correct orientation of the card when inserted into a game co~nso3.e slot.
[~53] The rearward edge 108 of, the card is substantially uniform in profile from side edge 120 to side edge 7.12, witr: boeh rearward camera 156, 158 rounded by a radii similar to the radius ac corer 146.

s.~sso [0054) The dimensions of the card axe matched to the game machine entry slot, and in the exemplary embodiment, the card 100 is substantially square, with a length dimension (front-to-back) of 7. 3I8". and a width dimension (side-to-side) of 1 ~,i".
X0055) Figure 9 is a further illustrative embodiment of a portable game machine 20D. As with the prior embodiment, a further exemplary game machiae,physically including two display screens with one of the display screens being covered with a touch panel is exemplarily described. In the present embodiment, a game image is displayed on at least the display screen covered with the touch panel. Also, a ion-portable video game machine, an arcade game machine, a portable terminal, a cellular phone, or a personal computer may be. used as the game machine.
(OOSd] FIG. 9 zs an external view of the portable game machine 200. Aa shown in F'IG. 9, the portable game machine 200 includes two display screens, that ia, a first display screen 211a and a second display Screen 212x. '_he surface of the second diap~lalr. screen 212a is co~rered urith a touch panel 213. Also, to the right a~
the second display screen 212a, the game machine includes an A button 214a, a H button 214h,,and a_u R switch 214c.
whicz are operable by the right hand of the player, and a loudspeaker 215 for producing game music. To the left of the second display screen 212a, the game machine includes a cross key 214d, a start button 214e, a select Buxton 214f, arid an L Switch 2148, arhich are operable by the left hand o~ the player. Also. the' portable game machine 240 includes a removable stylus 216 for input to the touch panel 2~.3. Furthermore, the portable gauche machine 244 has, rernovably inserted therein. a cartridge 217, which is a storage anldium having stared therein a game program of the i7.lustrdtive embodir.>ents: Note that, in the present embodi:nezt. the touch panel 213 xg exe~mplarily provided as err ingut unit, but this does zzot restrict the present intention.
;0057] PIC3. 10 is a block diagram showing the portabld game riachi.~e 204. It should be understood that the hardware/sottware and operational description which follows is lpplicabie to the illustrative embod.iu~ent shown in ~'i3ures 1-8 as well as the illustrative embodiment show:l in Figure 9. As shown in FIG. 10, the portable game machine 200 includes a CpU (central processing unit) 223, which is an example of a aompu,tex for ax~cuting the game program, and .other components.
The CPU 233 includes a work RA~I~(woz~king storage unit) 224, a GPU (graphic processing unit) 222, and a peripheral circuit IIf (interface) 225 that are electrically connected to one another. The work RAM 224 is a memory for temporarily atoning, for exaample, the game program to be executed by the CPU z23 and calculation results of the CPU 223. The 6.PU a22 uses, in response to an in3truction =rom the CPU Za3, a VR~I 221 to generate a game =mage ~or display output to a first LGD (liquid cry$tal display unit) 211 and a second LCD
212, and cauaea the generated dame image t~o be displayed on the first display screen 211a of the first LCD 211. and the second display screen 212a og the second LCD 212.
The peripheral c:.rcu_t I/F 225 is a circuit far Cransmitting azsd receiving data ~ between external ir~putloutput units, such as the touen panel 213.
operation keys 214,.and the loudspeaker 2T5. a~ the CPU
223. The toLCh panel 213 including a device drivex for the touch panel) outputs coordinate data corresponding to a position input (specified? with the stylus Z16.
(0058] 'Furthermore, the rP~ aa3 it electrically connected to the exterra~: memory z/8 226, in Which the cartridge. 21'7 is _nserted. "_'he ~ cartridge 21~ is a storage mediuzw for storing the .game progxam and, ~,a.-~ fa ~~,i ~1. ; nW udas a procram. RpM .~1.7a fOr storing the game program cad a backup tit 217b for..rewritably storing backup data. The gaale program stored =n Ghe program RoM
alTa of the cartridge all is loaded to the work ltA~ 224 and is then executed by the CPU z23. In the present embodiment.-an exemplary case fa described is which the game program is supplied fsom an external, storac~ medium to the poxtal~le game marhiz~e a00, w:~Howoverr the game program may be stored is a non-.volatile memory inco3cporated in advance in the portanle:game machine 200.
or may be supplied to the portable q~tme~machine 200 via m wired or 'wireless comsauriication circuit.
(0059] FIG. 11 is a block diagram of the. GpL7 222. The GPU 2.22 includes trio image praceasit~S~. fits. that is~ a three-dimensional image processing unit 231 and a two-dimeasional assage pxocessing unit 237. mhe three-dimensior~ai iarage processing ut~it 231 includes a geometry engine for calculating each vert4x of a t?~ree~-di.meneional x:~ode1 based on three-dimenaioral model data cad a rendering engine for generating a gitme image from _tae 17 ~ ...
s4~o three-dimensional model disposed on a virtual three-dimensicnal game space . The two-diznex~siaa~al image processing unit 237 includes a 2D rendering engine Eor generating a game image based on two-dimensional image data representing characters arid two-dimensional image data represetlting backgrounds, More specifically, the two-dimensional image pzocessing unit 237 disposes a two-dim~sional image xeprESenting a character on a virtual screen called a "sprite" and a ttrto-dimet'lsiona3. image representing a background on a virtual::sCxeen called a ~screen° , asid than synthesizes these virtual screens to generate a game image to be eventually displayed ., [0060] ~'he trtree-dimensional iusag4 pro~esaiag unit 231 is connected to the 3D line buffet 232. ,The 3D line buffer 232 is a buffer memory fox temporarily retaining image data for one scanning line of the first LCD 211 (or the second LCD 212). The image data generated by the three-dimensional image groce5tsing..unit~ X31 is stored in this 3D line buffer 232. sequentially by one link.
[0061] The 3D line buffer 232 is .connected to a capture czrcuit 233 and an LCD selQCtor t$fiL Lc'~1 235. The capture circuit 233 aequeatially reads image data for one liras stored in the 3D li::e buffer 232 and theta sequentially stores the read irta.Qe data ,in the VRAM 221, which will be described ~urther below,. thereby capturing the game image , generated by the , 'three-d~.mer.:ional image processing unite 231.
(0062] The capture circuit 233 ie connected to a VIi.At~
selector (SEL VFA~t) 234. The VTtAM zzl is -provided with ~~sac two VISAMs, that ia, a first VRAM ~Zla and a second vRAM
221b. Instead of these two first and second 'VPAMS 221a and 221b. d single VgAM may be used with its two different storag! arQas being used as the first vi:AM 2zsa and the second VRAM~2~lb. The VRAM selector 33~J switches an output destination of the capture circuit 233 between the first VRAM 221a sad the second VRAM 221b.
[0063] The first, VRnM 221a arid the seco$d PRAM 221b are connected: to a V1~ selector (SEL VI;AM) 236. The VRA~3 selector 236. switches a source~of date to the two-dimsnsional image proces.sirig unit 237wbstween the first V~tAM 2la and the eacond VR~rs a2lb, . . , ... .
[0064] The two-dimerisioaai image processing unit 23~ is connected to a 2n line buffer 238. As with the 337 line buffex 232, th! 2D lice buffer 238 is,a buffer memoxy for temporarily retaining image data for ons scaru~irig line of the Second LCD 212. Th8 image,datp.~glrilr~t9d,by the two-dimensional image proceas.irtg unit Z3T i~~ stored in this 217 line buffer a38 soquential7.y by one line.
[0065] The 2D line ~rsffer 23B i.s connected to do LCD
selector 235. The LCD selector 235 switches as output destination of the 3D line buffer 232 between the first LCD 211 and the second LCD 21~, and an output destination of the 2D line buffer 238 between the f,3rst LCp 211 and t~:e .second LCD 212. ~ In the present. embodiment, the LcB
selector 235 performs coss~trol. such that, when the output of the 3D l~.xre buffer 232 i* supplied to the first LCD
il, the output of the 2D line puffer 3S is *upplied to the second LCD 212, and when the output of. the 3D line 9a7B4b buffer 232 is supplied to the second LCD 212, the output of the 2D line buffer a38 is supplied to the first LCD 211.
(4066] The portable gam~ machine 200 has .the above-de$cribed structure. G~nerally, the game image generated by the three-di.~nensional ~.mage processing unit 231 is supplied via the 3a line buffer 232 and the T,CD Selector 235 to the first LCb 211, while the game. image~generatsd~
by the two-dimec3sional image processing unit 29'7 is supplied via the 2D line buffer 238 and the LCD sel,aator 235 to the second LCD 212. Rs a result, the thre2-dimeissional game image generated by t_'~e three-dimensional image processing unit 231 is displayed .4n the..Fxrst display screen 211x, while the two-dimensional game image generated by the tv,~o-dimensional image processing unit 237 is displayed on the second display screen 212x.
However. the present embodiment hag a feature in which the above-structured portable game machine ZDO is used to display different three-d-rnensional game.images on two display screens, that is, the first display screen 211a and the second display scxeen 212a. Hereinafter, the operation of the portable game machine 200. aocosding to the present embodiment is described.
(~&7~ The portable game machias 20.0 alternately 9exforms~ operations with periods of ono frame.
Hereinafter; the operation of the portable game machine 2Q0 is described as being divided into a proce$s in an odd-numbered frame .and a pracess.in ~ even-numbered frame. Note that the "odd-numbGrsa frame" and the ~~even-numbered frame" are merely so called for con~ten:ence. In 947640, other words, if o.~e frame is assumed to be an odd-numbered frame, frames before and after that frames are even-numbered frames. Conversely, if one frame is assumed to bs an even-numbered frame, frames before and after that frames era odd-numbered frames.
[Q06$j FIG. 12 is ar. illustration showing the operation of the portable gnma machine 200 in an odd-uum~sexed frame. As shown in FIG. 12, in the odd-numbered frame, thc~ game image generated by the three-dimensional image processing unit~231 is supplied via the 3D lin,C!.buffer 232 to the First LCD 211. Also. the output from the capture circuit 233 is supplied to the first VIiAM 221a.
That is, the game a.mage supplied in this frame to the first LCD 211 is captured by the capture circuit 233, and is then stored in th: first VRAM 221a. Also. the two-dimensional image processing unit 237 reads the game image stored in the second VRAM Z2lb (the game imaQs captured in the immediately-preceding even-numbered frame by the capture circuit 233, as will be descxzbed further below). This c~a.~ne image is, ae will be described further below, identical to the grams image supplied in the immediately-preceding even-nuwbered fracas to the secoad LC17 212. The game image read by the two-dimensional image processing unit 237 is supplied .via the 2D line buffer 23B t0 the second LCD 212. As such. in the ocid-numbered frame, the Q*me~ image generated in this frame by the three-dim~nsionai image processing unit 231 is supplied to the first LCD 211, .while the game image generated in the immediately-precsdirg even-numbered frame by the three-dimensional image' processing unit 231 is sup~rlied to the second LCD 212.

(0069] FIG. 13 is an illustrs.tion showing the operation of the poxtable game machine 200 in an even-numbered frame. As shooors iri FzCi. 13, in the every-numbered frame, the .game image seneratwd by the three-dimensional, image processing unit 231 is supplied via the 3D line bt~ifex Z3a to the second LCD 212. Also. the output from the eaptare circuit 233 is supplied to the second VRAM 221b.
'1~hat is, the game image supplied in this frame to the ,second LCD 212 is captured by the capture circuit 233, and is them stored in the second ~'AAM 221b. Also, the two-dimensional image processing unit z37 reads the game image stored ~,n tho first VRAM z2la (the game image captured in the immedia uly-preceding add-numbered frame by the capture circuit 233, as will be described further below) . This gar.~e image . is identical to the game image supplied is the immediately-preceding odd-numbered frame to the fixs~t LCD 211. The game image read by the two-dim8naiortal image proce98ing wait 237 is supplied vxa the 2D lire buffer 23B to the first LCD 221. As such, in the even-numbered lxame, the game image generated iri this frame by the thxee-dimensional ima~fe processing unit 231 is supplied to the second LCD 212, whi7.e trie game image generated- in the immediately-preceding odd-numbered frame by the three-dimer~sioaal image processing unit 231 is supplied to the first 1,CD 211.
[U~?C) zn the present embodiment, the. three-dimenaicaal image processing unit 23' gerteratei a . gaame age xegxesentin~ a State in a virtual ~hree-dimensional game space captured by virtual cameras different Eor odd-riumb~xxed a.~xd everiw:~umbered frames. FzO. 14 is an illustration shouririg one example of the virtea? three-dimensional game space. In f~rC~. 14, this virtual three-dimensional game space has disposed thereixl a first enemy character and a second enemy character as well as two vixtual cameras, that is, a first virtual camera and a second virtual camera, In each odd-numbered frame, the three~dimensional ima~g'e proctssing unit 231 gez~eraCes a genre image representing a state in a virtual three-dimensional game space captured by the first virtual camera. In each ever-numbered . frame, the three-dimensional image p~oc~a:ing urift 231 generates a game image xeprasenting a state in a virtual three-dimensional game space captured by the second virtual camexa.
Alternatively, the thxee-dimensioa~al image processing una.t 231 may 'he provided with a plurality of v~.rtua~.
three-dimensional game spaces for generating, for odd-numbered and even-numbered frame, game images repxesenting different states in the virtual three-dimensional game space.
[0071) Examples of the game acxeen displayed on the first display screen 27.1a and the second display scretn 212a based on the above-described oDerat.fon of the portableWa.Tne machine 200 are illustrated in 1~IG. 15. -As can be seen from FIG. 15, in each odd-numbered frame, a game image generated in that frame by the three-dimensional image processing unit 231 (such an image is hereinafter referred to as a real-time imagef is displayed on the first display screen 211a, while a game iaage generated iz the immediate?y~precedix~g friune by the three-dimensional insagt processing unit 231 then captured by the capture circuit 233 (such an image is hereinafter referred to as a captured zmage) is displayed on the sa~s4a second display screern 212a. On the othe: hand, in each even-numbarsd frame, a game image ~txeal-t,jme image) generated in that frame by the three-dimensional image processing wW t 231 is displayed on the secCnd display screen 212a, while a game image (captured i=nage) generated in the immediately-prsrlding frame by the three-dimensional image processing unit 231 and then captured by the capture circu~.t_ 233 zs displayed an the First display screen 211x.
[00721 As such, is the present ombodiment.,, a real-time image and a captured image are altertlately displayed on the first display screen lla arid the 'second display screen 212a. Then, on the first display screen 211n. a game image reprGSenting the state of the virtual three-dimensional game space captured by Che first virtual camera is displayed, while on the second: display screen 212a, a game image representing the state of the virtual throe-dimensional game space captured by the second virtual camera is displayed. Note that,. as evident from FIG. 15, game imagt~s are displayed far ~ach frame on the first and second display screens 2ala dnd, 212x. thereby preventing flicker on the display screens. w (00737 With reference to FIGS, 16 , through 18, the operation of th: portable game machine Z00 is described iri more detail, :era, steps S11 through 517, 57.9 through 521, and S23 shown in FIG. 16 aro described. as process steps to be performed in thQ CP'~i 223 based on the game program stored in the program ROM 217.a of the cartridge 21T. I~owever, any of these process steps may be achieved only by hardware.
xa ' sa~s~o [0074] Iri FIC. 16. the CpU 223 generates a virtual three-~dimensxosial game space (S11). Specifically, in this process, world coordinates of each vertex of thsee-di~aensional crodels, such as a player character and enemy characters,~formed by a p].uxality of polygons are seC at initial values. Next. based on operation key data output from the operation keys 214, the CPL1 223 updates the coordinates of the player character in the virtual thrse-di.mensio~aal game space (S12), and than updates the coordinates of each enemy ch~sracter in the v~,rtual three-dimensional game apace based on a predetexsnined algorithm (S13).
(00'75] ' The CPU' 223 then determines whether the current Exams is stn odd-numbered frsmQ (Sld).
[0076] When the current frame is an odd-numbered frsmo, the CPU 223 allocate: the first LCD, 21,1 as the output destination of the 3D line buffer 232 and the second LCD
a12 as the output destination of the 2D line buffer 238 (815). furthermore. the CPU 223 allocates the first VRAM
221a as th~ output destination of the capture cireuxt 233 (S16) . and the second v~M 221b to the. two-dimensions).
image processing unit 237 (817). Thermafter, an odd-uucnbered frame re:lderir~g/displaying process (S18) ~ is gexformed. and then the procedure goes, to seep 523.
Details of Ghe odd-numbered frame renderingldisplaying process are described further below.
(0077] On the Other wand, when the currant frame is an even-numbered frame, the CPIJ 223 ullocatE9 the seCOrid LCD
212 as the output dBSiGlnation of the 3D line: buffer 232 sa~sAo and the first LCD 211 as the output destination of the 2b line buffer 238 (S'9). Furthermore, the CPU 2z3 allOCmtes the second VRAM 221b as the output destination of the capture circuit (S20) sad the first VRAM 2Zla to the two-dimensional image processing unit 23~ (S21).
Thereafter, an even-numbered frame rendering/dj.$playing prOCQSS (S2a) is perfa~ed, and then the procedure goes to step 523. Details of the even-numbered frame reridering/displaying process are described,fuxther below.
(00~$j In wstep 523, the CPU 223 determines whether the game is aver. If the ga~rne ~ cantinue~, the px~oCedure returns to step 512. If tho gams is aver,~tha,procsduxe ends.
[~079~ Neact, the details of the odd-numbered frame renderingldisplaying process are described wirTh rsfarertce to FIG. 1~. Th! odd-numbered frame rendering/displayiag process is performed by the GPU 222. based. on instructions from the CPU 223.
[0~80J First, the geometry engine of , tire throe-d~.mensional image processing unit 231 convert9 vertex coordinates (in the world coordinate system) of each polygon is the virtual three-dimensional gams space to the two-di.m~tnriot~a,l grajection coordinate system (S32) .
When canversior_ of the vertex coordinates of each polygon a camp3eted, an instruction for starting a display process is issued from the apU 222 to the rendering engine of the three~dimensional image processing unit 231 and the 2D rendering engine of the two-ditnsxzsianal image processing unit (S33). Upon reception of this iastructiotl, the rendering engine of the three-dimensional image processing unit 231 and the 2D
rendering engine of the two-dimensional processing unit concurrently perform their respective processes.
[0081] Upon reception of the display process starting instruction, the renderinff engine of the thxee-dimensional image processing unit 231 generates image data for the first one line through a rendering process based on.. th9 results of conversions of the vertex coordinates of each polygon, and then stores the generated image data in tht 3D ~3ine buffer 232 (S34).
Then, the image data fox one line stored in this 317 line h~:ffer 232 is supplied to the first. LCD 211; and 3s then displayed on the first display scxeen 211a (S351. Also, the image data for one line stored in the 3n line buffer 232 is stored in a prQdetermined urea of the. first VRAM
221a by the capture cixcuit 233 (S36). Then, sEtex waiting for an ~i blank timing (h~or~.zorltal blanl~ing pexiod) xn order to establish horizontal synchronization (531. the renderings engine performs a.process similar to the a3xve for the .next line. That i.s,. .the rendering ergfne of the three-dimensional image processing unit 231 generates image data for the Text orte-line, and then stores t:~e generated image data in the 3D line buffer 232 (s34). Thereafter, until all limes have been completely processed (that is, until the entire scrQeri has been completely ~arocassed) . processes of. sttps .534 through S37 are :epeated.
[4082] Upon reception of the display px~ocess~ starting instruction, the 2D rendering engine of the two-dimensional image processing unit 237 reads image data for the first one line of the game image stoxed in the second VRAH 221b, and then stores t:~e read ir.~a.ge data in the 2D line buffer 238 1939). Then, the image data for one line stored in this 2D line buffez~ Z38 ie supplied to the geoord LCD 212, and is then displayed on the second display acre:n 212a (540) . Then, after uraiting for an ii blank timing lhoriaontal blanking period) ix order to establish horizontal synchronization 4541), the 2n rendering engine performs a process similar to the above.
that is, the 2D rendering engine ref the . two-dime~x~ional image ~tzdcessing. unit 237 reads image data fox the next one line from the second V~aM 221b, ~ and then stares the read. image data in the 2D line buffer 238 ;539).
ThereaftCx, until all limos have been completely processed (that is, until. the entire screen has been completely processed), processes of steps S39 through 541 are Yepeated.
(x063] t~Fhen, ali lines have been ~cmplete3.y processed by the rendering ~engxne of the three-dimensional image processing unit 231 and the 2D rendering engine of~ the two-dimensional image processing unit 23.7, the odd-numbered frame renderingJdispla~yfng prvc~a ends.
[0084] Next, the details of th: avert-riumbGxed frame renderingldisplaying process are described with reference Go F=G. 18. This even-numbered rendaring/diaplaying process is performed by the G~~1 2~2 based on instructions from the CPU 223.

(ppg$~ First, the geometry engine of~ the three-dimer.Sional image processing unit 231 convexts vertex coordinatt~s (in the woxld coordinate system) of each po~.ygor. ir. the virtual three-dimensional game space to the camera coordinate system (S51). Furthermore. the geousltry engine of the three~dimensiorta3. image processing' unit 231 converts these vertex Coordinates (3n the camera coordinate system) to the two-dimensional projection coordinate systltn (S52) . When coxwersion. of the vertex coardirt8,tes of each polygon i.s campleted~. as instruction for starting a display process is issued from the CPU 222 to the rendering engine of the three-dimensional image procQSSing unit Z31 and the' 2a rendering engine of the two-dimensional image proc~assing ..unit (5531. Upon reception of this instxuction, the rendering engine of the three-diict~nxior_ai image procesSin9 unit 231 and the 2F~ rendering engine of the two-dimensional grocessing u.3lit concurrently perform their respecti~re processes.
[OOg6) Upon reception of the disglay prQe,es~s..rata~rtirtg instruction, the rendering engine of the three-dimensional image processing unit 231 generates image data far the first one line through a rendering process based on the results of conversions of the vertex coordinat~s of each polygon, and then:, stores the generated image data in the 3n line buffer 232 (SSA).
Thvn, the image data fcr o:le line stored in this 3D line buffer Z32 is sugplied to the second hCD 212r.and is t'hez~
display~d on the second display screen 212a (S55). Also, th~a image data for one line stored is the 3D lzne buffer 232 is stored i.n a predetermined area of the second SJRRM
221b icy thQ capture circuit 233 iS56). Then, after s4~~0 waiting for an FI blank t3.mi~ng thorixorttal blanking period) in order to establi$h horizontal synchronization (S57y, the rendering engine performs a grocess similar to the above for the next line. That is, the rendering engine of the three-dimensional image processing unit 231 generates image data for the next one line, and then stores the generated image data in the 3D line buffer 232 (S54). Thereafter, until all lines have been completely processed ~ (tha.t is, until the er_tire screen hats been completely processed) , processes of step's S54through S7 are repeated.
[0087] Upon xeception of the display praceas~ starting instruction, the 2D rendering engine of the two--dimensional image processing unit 237 r~ads i=nage data for the first one line of the game image stored in the fizst VRAdd 221a, and then stor~~s the read image data iri tha 2D line buffer 238, (S59), then, the image data for one lute stored in this 2D line buffer 23B is supplied to the first LZ=I~ 211, and it then displayed on the first display screen 2lza (s6o). Then, after waiting for an Ii blank timing (horizontal blanking period) in ordex to establish horizontal synchronizatiazi (sGl), the 2D
rendering engine performs a process similar to the abpve.
That is, the 2D rendering engine of the two-dimensional image processing unit 237 reads imag! data fax. the next one line from the first V~ 221a, and then stores the read image data in the 2D line buffer 238 (5591_ Thereof ter, untxZ all lines have been completely processed (that is, until the entire screen has been completely proces:ed), proceBSes of steps s59 through S61 are xepeated.

{0088] Yrheri all l~.nes :'.eve beers completely processed ~by thQ rendering engine of the three-dimensional i.maga processing unit 231 and the 2D rendering engine of the twti-dimensional image processing unit 237, the sv~en-ntmbered fram~ rendering/displaying process ends.
(0089] As described above, zccerding to the portable game machine 200 of the present easbodimerst, by using the single three-dimenxional image processing unit 231, different t?~ree-dimerisiot~al game images. can be simultaneously displayed on the first LCn 211 and the second LCD 212 without flicker on the display screens.
(0090] As described above, when gex~aratxng a normal two-dimensional game image, the two-dimensional image processing unit 237 disposes a two-dimensional image representing a character on the virtual. screen called a ~sprits' arid a two-dimengaonal image representing t background on the virtual screen called a ~8creen", and then synthesizes these virtual screens to generaee a game image to be ev~ntually displayed. There might be tho case where a plurality of ~scxeens' are present. F10,. 19 shows an example in which five virtual screens, that i$, a sprite and screens 0 through 3, are synthesized to form a two-dimensional game image. As an exemplary modi,ficatioa of the present embodiment, any two of these virtual screens can be used in place of the first VRAM
221a and the second Vi~t 221b. The structure of the portable game machine 200 i.n that case is exemplarily shown in FIG. 20_ in tre ~e:~mple of FIG. 20, a sprite area ZZlc and a screen area 22Id are used in place of the first VRAM 221a and the second VRAM 221b. Hereinafter, the c~piratxon in the exemplazy modification is briefly described.
[0091] The Capture circuit 233 stores the game imase captured izz each odd-numbered frame in the sprite area 22Ic of the TRAM 221 and the game image captuxed in each even-aurnberad frame in the screen area ZZld o= the V~~4 221. tether generating a noztnal two-dixnen*io~aal game image, the two~d,imerisiozsal image processing' unit 237 generates a two-dimensional game image Formed by synths*izing the ~sprite~ arid the "Screen~ and then outgvts the generated image to the 2i7 line. Duffer 238.
Zn the exemplar modification, however: in each odd-nunbered grams, the two-dimensional image processing unit 23~ r~~nerates a game image formed of only the ~screen~, and they outputs the generated game image via the Zn Line buffer 238 to the second LCD 212. ~n each even-numbexed frame, the two.-dimensional ' itrage processing unit 237 generate9 a game image formed of only .the "spriteN, and then outputs thsr generated game ~illage via the 2D line buffer 238 to the first LCD 211, As a re3ult, game images similar to Chore *hown is FIG. 16 are displayed on the first display scxeen 21~.a and the second display screen 212a.
(O~S2] As such, sr~lecting ~a desired virtual saroea from a plurality of virtual screens for display is a function origissaliy provided to they two-dimensional image processing unit a37. Therefoxe, no special function has to bs added to the two-dimeasioral image yrocessing unit.
Also. an additional storage area For tempoxarily staring the game image captured by the capture circuit 233 is sot ea~sea required, thereby suppressing Coat required for the portable game machine 204. .
(0093] As one embodiment of the . present invention, the portable game machine having a hardwire structure as shown in slc~S. 10 and 11 has been described. However, the present invention is applied not only to the portable game machine having such a hmrdware structure, but to the one having the above hardwdre structure achieved by the CpTJ and software_ Also, the portable game machine according to Che present embodiment can be emulated by a computer system, such as a riersonal computer or a portable information terminal. zn. this. case, a $ame program that causes the computer system to aohiave each hardwmre function of the portable game machine according to tl:e present embodiment is oupplied to the computer system. with this, the present iaventiori caa be applied also to a general-purpose cOmputrsr system..
(0094] While the invention has, been described in connection, with what is presezxtly considered tv. be the most practical and preferred embodiment,. it .ig to be understood that the invention is not to be limited to the di:closed embodiment, but on the contrary, is intended to cover various modifiC~ltiena aid equivalent arrangemec.ts included within tke spirit and scope of the appended claims.

Claims (45)

1. A portable, handheld game console comprising a main body incorporating a first display screen on an inner face of said main body, and a cover body incorporating a second display screen on an inner face of said cover body, said main body hingedly connected to said cover body along adjacent forward and rearward edges, respectively, such that said cover body is movable between a closed position where said cover body overlies said main body with said first and second display screens hidden from view, and an open position where said cover body is folded away from said main body with said first and second display screens visible to a user; wherein said main body is provided with a plurality of control buttons and at least one game card slot for receiving a game card of first predetermined dimensions.
2. The portable, handheld game console of claim 1 wherein said at least one game slot is located in a forward or lower portion of a peripheral edge of said main body.
3. The portable, handheld game console of claim 1 wherein said main body is provided With a second game slot for receiving another game card of second predetermined dimensions different from said first predetermined dimensions.
4. The portable, handheld game console of claim 3 wherein said second game slot is located in a rearward or upper portion of a peripheral edge surrounding said main body.
5. The portable handheld game console of claim 2 wherein said main body is provided with a second game slot for receiving another game card of second predetermined dimensions different from said first predetermined dimensions.
6. The portable, handheld game console of claim 5 wherein said second game slot is located in a rearward or upper portion of a peripheral edge of said main body.
7. The portable, handheld game console of claim 1 wherein said first display screen comprises a touch-sensitive liquid crystal display.
8. The portable, handheld game console of claim 2 wherein a volume-control slide is located in said forward or lower portion of said peripheral edge.
9. The portable, handheld game console of claim 1 wherein a microphone is located on said inner face of said maim body.
10. The portable, handheld game console of claim 2 wherein headphone and microphone connectors are located is said forward or lower portion of said peripheral edge.
11. The portable, handheld game console of claim 4 wherein an AC adaptor connector is located in said rearward or upper portion of said peripheral edge.
12. The portable, handheld game console of claim 4 wherein a stylus port is provided in said main body.

accessible via said rearward or upper portion of said peripheral edge.
13. The portable, handheld game console of claim 1 wherein additional control buttons are located in a rearward or upper portion of a peripheral edge surrounding said main body.
14. The portable, handheld game console of claim 4 wherein additional control buttons are located in said rearward or upper portion of said peripheral edge surrounding said main body.
15. The portable, handheld gamy console of claim 1 wherein a pair of stereo speakers are located in said cover body, with speaker grills on said inner face of said cover body, on either side of said second display screen.
16. A portable, handheld game console comprising a main body incorporating a first touch-Sensitive display screen on an inner face of said main body, and a cover body incorporating a second display screen on an inner face of said cover body, said main body hingedly connected to said cover body along adjacent forward and rearward edges, respectively, such that said cower body is movable between a closed position where said cover body overlies said main body with said first and second display screens hidden from view, and an open position where said cover body is folded away from said main body with said first and second display screens visible to a user; wherein said main body is provided with a plurality of control buttons, at least one game card slot for receiving a game card of first predetermined dimensions;
and a second game slot for receiving another game card of second predetermined dimensions different from said first predetermined dimensions.
17. The portable, handheld game console of claim 16 wherein said at least one game slot is located in a forward or lower portion of a peripheral edge surrounding said main body.
18. The portable, handheld game console of claim 16 wherein said second game slot is located in a rearward or upper portion of a peripheral edge surrounding said main body.
19. The portable, handheld game console of claim 17 wherein a volume-control slide is located in said forward or lower portion of said peripheral edge.
20. The portable, handheld game console of claim 17 wherein headphone and microphone connectors are located in said forward or lower portion of said peripheral edge.
21. The portable, handheld game console of claim 16 wherein a microphone in located on said inner face of said main body.
22. The portable, handheld game console of claim 18 wherein an AC adaptor connector is located in said rearward or upper portion of said peripheral edge.
23. The portable, handheld game console of claim 18 wherein a stylus holder is provided in said main body, accessible via said rearward or upper portion of said peripheral edge.
24. The portable, handheld game console of claim 16 wherein a pair of stereo speakers are located in said cover body, with speaker grills on said inner face of said cover body, on either side of said second display screen.
25. A substantially square memory card for a game machine comprising a substantially flat card body having length, width and thickness dimensions, said card body defined by upper and lower surfaces, and by a forward edge, a rearward edge and a pair of side edges; and a plurality o~ electrically conductive terminal strips adjacent said forward edge; wherein one of said side edges has a single continuous step configuration along the entire length dimension of said card, and wherein a first notch is formed in a first forward corner of said card where said forward edge meets the other of said pair of side edges.
26. The memory card of claim 25 wherein said plurality of terminal strips are located in a recess formed in a forward end of the card to a depth of about one half the thickness of the card, said recess and said plurality of terminal strips offset laterally along the forward edge of the card toward said one of said side edges.
27. The memory card of claim 25 wherein a second notch is formed along said other of said pair of side edges, between said forward and rearward edges.
28. The memory card of claim 25 wherein said plurality of terminal strips comprises seventeen terminal strips arranged in a parallel array, each pair of adjacent terminal strips separated by a non-conductive rib.
29. The memory card of claim 25 wherein said length dimension is 1 3/8"; said width dimension is 1 1/4"; and said thickness dimension is 1/8".
30. The memory card of claim 25 wherein said first notch has a length dimension of about 1/4".
31. The memory card of claim 25 wherein said second notch has a length dimension of about 1/8".
32. The memory card of claim 26 wherein said first and second notches each have a depth of about half the thickness dimension of said card body.
33. The memory card of claim 25 wherein said first forward corner, a second forward corner, and third and fourth rearward corners are radiused, and wherein said first forward corner is defined by a radius larger than radii at said second, third and fourth corners of the card.
34. The memory card of claim 25 wherein said card body has four corners including said first forward corner, none of which is identical to any other of said four corners.
35. A portable, handheld game console comprising a main body incorporating a first display screen on an inner face of said main body, and a second body incorporating a second display screen on an inner face of said second body. said main body being spaced apart from said second body; wherein said main body is provided with a plurality of control buttons and a game memory slot.
and further including image processing circuitry for simultaneously displaying different images on said first display screen and said second display screen, wherein at least one of said images is a three-dimensional image.
36. A portable hand-held game console according to claim 35, wherein said image processing circuitry includes a three-dimensional image processing unit which generates a first game image based on three-dimensional model data for each of a plurality of frames;
a capture circuit which captures the first game image generated by the three-dimensional image processing unit as two-dimensional image data;
storage locations that store the two-dimensional image data captured by the capture circuit;
a two-dimensional image processing unit which generates a second game image based on two-dimensional image data is a previous frame already stored in the storage locations: and an output destination setting circuit which sets one of the first display and the second display as an output destination of the first game image and another one of the first display and the second display as an output destination of the second game image.
37. The portable, handheld game console of claim 35 wherein said game memory slot is located in a forward or lower portion of a peripheral edge of said main body.
38. The portable, handheld grame console of claim 35 wherein said first display screen comprises a touch-sensitive liquid crystal display.
39. The portable, handheld game console of claim 38 further including a stylus port.
40. The portable, handheld game console of claim 35 wherein said plurality of control buttons are located on said main body and on each of a left and right side of said first display screen.
41. A portable, handheld game console comprising a main body incorporating a first display screen on an inner face of said main body, and a second display screen coupled to said main body; wherein said main body is provided with a plurality of control buttons and a game memory slot, and further including image processing circuitry for simultaneously displaying different images on said first display screen and said second display screen, wherein at least one of said images is a three-dimensional image, said game processing circuitry including a three-dimensional image processing unit which generates a first game image based on three-dimensional model data; and a two-dimensional image processing unit which generates a second game image based on two-dimensional image data.
42. A portable, handheld game console according to claim 41, wherein in an n-th frame, the first game image, generated by the three-dimensional image processing unit, is output to the first display and is simultaneously captured, and the second game image, captured in an (n-1)-th frame and based an the two-dimensional image data, is output to the second display, and in an (n+1)-th frame, the first game image, generated by the three-dimensional image processing unit is output to the second display and is simultaneously captured, and the second game image, based on the two-dimensional image data and captured in the n-th frame, is output to the first display.
43. The portable, handheld game console of claim 41 wherein said first display screen comprises a touch-sensitive liquid crystal display.
44. The portable, handheld game console of Claim 43 further including a stylus port.
45. The portable, handheld game console of claim 41 wherein said plurality of control buttons are located on said main body and on each of a left and right side of said first display screen.
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US10/921,957 US7786997B2 (en) 2004-03-31 2004-08-20 Portable game machine and computer-readable recording medium
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US11/111,985 2005-04-22

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US20160121209A1 (en) 2016-05-05
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