US1766047A - Radio transmission system - Google Patents
Radio transmission system Download PDFInfo
- Publication number
- US1766047A US1766047A US155048A US15504826A US1766047A US 1766047 A US1766047 A US 1766047A US 155048 A US155048 A US 155048A US 15504826 A US15504826 A US 15504826A US 1766047 A US1766047 A US 1766047A
- Authority
- US
- United States
- Prior art keywords
- circuit
- frequency
- tuned
- transmission system
- radio transmission
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title description 6
- 239000013078 crystal Substances 0.000 description 14
- 230000011664 signaling Effects 0.000 description 3
- 238000005562 fading Methods 0.000 description 2
- 241000272470 Circus Species 0.000 description 1
- 241000845082 Panama Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
Definitions
- crystal "controlled high frequency transmit- 7 provide a circuit arrangement for a piezo electric crystal controlledv transmitter by Y which a plurality of signaling frequencies 7 maybe transmitted simultaneously from the same transmissionapparatus'.
- Another object of my invention is to provide a circuit arrangement for piezoelectric crystal controlled transmittercircuits' in which a, plurality of predetermlned frequencies are sustainedi by" a 'piezo electric crystal element and simultaneously transmitted.
- Another object of'jm'y invention is to pro vide a transmission system' n which a high frequency piezo electric crystal controlled oscillator is arranged to excite a power am-- plifier or frequency multiplier in such, manner that more than one frequency may be derived each related to the frequency of the piezo electric crystal element for the simultaneous transmission of signals at the plurality'of'separate frequencies.
- Still another object :of' myinventiono is to i provide" a high frequency signal transmiss1on circu t includlng a piezo BlGCtI'lC' crystal x controlled oscillator witha -plurality'of separate antennae systems each arranged to be I excited at different-frequencies derived from crystalcontrolled oscillathe piezo electric. tor clrcuit.
- a I i yMy invention will be more clearly understood from'the following specification by ref- 1 erence to the accompanying "drawing which diagrammatically illustrates, the application of the circuit arrangementof my invention 7 vto a. high frequency. piezoelectric crystalcontrolledtransmission system. Referring to the drawingin more detail ref- .7 having its input andoutput circuitsarranged -cillations at the frequency of piezoelectric crystal element 2, the piezo electric; crystal is electromagnetically vare usuallythesecofnd and 'third harmonics,
- Tuned circuit 9 is constituted by inductance; 9 shunted by such manner that the tubexfunctionsas a1 variablei'condenseri 9?.
- Tuned circuit 110 ineludes inductance lOirsshunted" by variable tun 1 ing. condenser 10%, Z: -Thetun'ed circuit:9:,is adjusted to. one selected frequency?
- Tube '6' is "suppliedflwith high fre-V the frequency F of the piezoelectric crystal element-:2; ju'stedto a harmonic frequencyfF Joy-Chang;
- harmonicyfrequencyF3changing e po 16' each independently tuned as represented at 17 and 18 and including inductances 19 and 20.
- Inductance 19 is electromagneticall 1 coupled with inductance'e Inductance ance 10.
- induct o i be any desiredharmonic of the-frequency F ofthe piezo electriccrystal device 2 but which respectively, can be controlled by slight ad? justments of condensers 9 and 10 and by the adjustment of the inductance 11 which is located between the tuned circuits 9 and 10.
- the a. power amplifier may deliver energy to the r same antennae systems at different frequenv 0 cites;
- The. simultaneous transmissionati sep f ara'te frequencies largely reduces the loss of I signals'arising by reason of the phenomena of 1 V fading.
- the antennae 15 and 16 may possess diiferentcharacteristicsforthepropagation I ,0f energy, at the separated frequenciesin such'm-anner, that fading at therdiii'erent fine-1 -quencies.isicoinpensatedat a distant receiver.
- prisin g a piezo electric crystal e lementgian electron tube oscillator circuit for sustaining oscillations developed by :said .fpiezo electric V sofcrystallelement, an electro'n'tube hating input 7 and output circuits With the input circuit 7 thereof connected with said t'e'lectrontubeos-H; cil'lator circuit a' pair'of independentl yr'tuned v7 circuitsgconnectediniseries insaidoutputcirsicuit, a" tuning device located betweensai'd I pair of independently tuned .-circuits and separate; antennae systems independently coupledto' each offsai d tuned circuits one of lsaid" antennae systems being arranged to '4 radi ate signaling energy at-ajfrequency which is ha-rinonicof theifrequency iof said piezo electric; crystal device: and the other of said antennae circuits -be'ing arranged toradiate V sign al'lin'g energy which
Description
June 24, 1930. A. H. TAYLOR RADIO TRANSMISSION SYSTEM Filed Dec. 15, 1926 INVENTOR 02' Y 7&%/ I wfiM *ATTORNEY '5 erence characterl' designatesan electron tube v Patented June 24, 1939 "AL ERT n. TAYLOR, F, WASHINGTON, msriicjr be panama; Assrdrioitjii news:
ASSIGNMENTS, 'ro "FEDERAL mme rm onrn Y} ,FORNIA 3 o f RADIO rrvAnsivnssioir'jsYsrnivt :1 H 7 Application filed December 15, Serial "No. i j i V Mydnvention relates .obroadlyto high fre quencysignal transmission systemsand-more particularly to a multiwave piezoelectric ter. o I One of the objects, of my. invention is to crystal "controlled high frequency transmit- 7 provide a circuit arrangement for a piezo electric crystal controlledv transmitter by Y which a plurality of signaling frequencies 7 maybe transmitted simultaneously from the same transmissionapparatus'.
Another object of my invention is to provide a circuit arrangement for piezoelectric crystal controlled transmittercircuits' in which a, plurality of predetermlned frequencies are sustainedi by" a 'piezo electric crystal element and simultaneously transmitted.
Another object of'jm'y invention is to pro vide a transmission system' n which a high frequency piezo electric crystal controlled oscillator is arranged to excite a power am-- plifier or frequency multiplier in such, manner that more than one frequency may be derived each related to the frequency of the piezo electric crystal element for the simultaneous transmission of signals at the plurality'of'separate frequencies.
Still another object :of' myinventiono is to i provide" a high frequency signal transmiss1on circu t includlng a piezo BlGCtI'lC' crystal x controlled oscillator witha -plurality'of separate antennae systems each arranged to be I excited at different-frequencies derived from crystalcontrolled oscillathe piezo electric. tor clrcuit. a I i yMy invention will be more clearly understood from'the following specification by ref- 1 erence to the accompanying "drawing which diagrammatically illustrates, the application of the circuit arrangementof my invention 7 vto a. high frequency. piezoelectric crystalcontrolledtransmission system. Referring to the drawingin more detail ref- .7 having its input andoutput circuitsarranged -cillations at the frequency of piezoelectric crystal element 2, the piezo electric; crystal is electromagnetically vare usuallythesecofnd and 'third harmonics,
element 2 positionedbetween conduchighwfrequency power amplifier; orin such 'manner'othat the tube functions siinultaneo'us z: sly as a high frequency power amplifierand 'frequencymultiplier,
*"Theoutp ut circuit of'the' 16; is designatedz'at 8 asincluding a pair: of indev pendently V tuned sections 9'} and 10 separated f y byawfari'able inductance 11. Tuned circuit 9 is constituted by inductance; 9 shunted by such manner that the tubexfunctionsas a1 variablei'condenseri 9?. Tuned circuit 110 ineludes inductance lOirsshunted" by variable tun 1 ing. condenser 10%, Z: -Thetun'ed circuit:9:,is adjusted to. one selected frequency? while the tuned circuit .10 is adjusted to a difl'erent se lected frequency; vBy supplying a high negative biasing voltage t across the leads 12 the tube: 6 operates} as a frequency -multiplier circuit; Tube '6' is "suppliedflwith high fre-V the frequency F of the piezoelectric crystal element-:2; ju'stedto a harmonic frequencyfF Joy-Chang;
sition of tuned condenser; 10
ferredthrough anytypeof coupling with the transmission circuit. Ihave illustrated{sepa I ratefanteiinae lorfradiajtfing'systems, at 15' and v quency excitation through-condenser 14 which 7 v connects with the outputcircuit 'Z of tube 1 at hevtunedcircuit; 9 maybe rad we I, I "itheiimsition r ble condenser; 9 f? The tuned; circuit; lomayj be adj e t {their}: v
harmonicyfrequencyF3changing e po 16' each independently tuned as represented at 17 and 18 and including inductances 19 and 20. Inductance 19 is electromagneticall 1 coupled with inductance'e Inductance ance 10.
coupled "with induct o i be any desiredharmonic of the-frequency F ofthe piezo electriccrystal device 2 but which respectively, can be controlled by slight ad? justments of condensers 9 and 10 and by the adjustment of the inductance 11 which is located between the tuned circuits 9 and 10.
'Modulation of the transmitter maybe ef- 5 fected by suitable circuits associated With 'the biasing circuit represented at 12. 111- stead of exciting 'circuit antennae systems the a. power amplifier may deliver energy to the r same antennae systems at different frequenv 0 cites; The. simultaneous transmissionati sep f ara'te frequencies largely reduces the loss of I signals'arising by reason of the phenomena of 1 V fading. The antennae 15 and 16 may possess diiferentcharacteristicsforthepropagation I ,0f energy, at the separated frequenciesin such'm-anner, that fading at therdiii'erent fine-1 -quencies.isicoinpensatedat a distant receiver.
' Other and further inodificationsof the, Oil? cuit; arrangement of my invention may be 'zomade. 31161110 limitations upon my inventi-on, are'intendedwother than are imposed by the. scope of theappended claim; v *WhatIiclaimas new 'and'desireto secure f t V by Letters Patent of the United States isas followsz'ig 7 Y Ahigh frequency transmission systemcom? prisin g a piezo electric crystal e lementgian electron tube oscillator circuit for sustaining oscillations developed by :said .fpiezo electric V sofcrystallelement, an electro'n'tube hating input 7 and output circuits With the input circuit 7 thereof connected with said t'e'lectrontubeos-H; cil'lator circuit a' pair'of independentl yr'tuned v7 circuitsgconnectediniseries insaidoutputcirsicuit, a" tuning device located betweensai'd I pair of independently tuned .-circuits and separate; antennae systems independently coupledto' each offsai d tuned circuits one of lsaid" antennae systems being arranged to '4 radi ate signaling energy at-ajfrequency which is ha-rinonicof theifrequency iof said piezo electric; crystal device: and the other of said antennae circuits -be'ing arranged toradiate V sign al'lin'g energy which is a different-hair .monicofthefrequencyof said'piezoelectric 7 crystal device, said tuning device operating to regulate the relative amount of energy supp'li ed-"rto said antennaeuat said diif-erent'fre quencies, said signaling;'energy'being main 1 tainejd in predetermined frequency displacej V Inentby operation of said piezo electric crystal device. ALBERTH; TAYLOR.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US155048A US1766047A (en) | 1926-12-15 | 1926-12-15 | Radio transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US155048A US1766047A (en) | 1926-12-15 | 1926-12-15 | Radio transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
US1766047A true US1766047A (en) | 1930-06-24 |
Family
ID=22553924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US155048A Expired - Lifetime US1766047A (en) | 1926-12-15 | 1926-12-15 | Radio transmission system |
Country Status (1)
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US (1) | US1766047A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023309A (en) * | 1960-12-19 | 1962-02-27 | Bell Telephone Labor Inc | Communication system |
US4543581A (en) * | 1981-07-10 | 1985-09-24 | Budapesti Radiotechnikai Gyar | Antenna arrangement for personal radio transceivers |
US5303259A (en) * | 1991-11-07 | 1994-04-12 | Loveall Peter S | Frequency-hopped electronic signal transmitter |
-
1926
- 1926-12-15 US US155048A patent/US1766047A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023309A (en) * | 1960-12-19 | 1962-02-27 | Bell Telephone Labor Inc | Communication system |
US4543581A (en) * | 1981-07-10 | 1985-09-24 | Budapesti Radiotechnikai Gyar | Antenna arrangement for personal radio transceivers |
US5303259A (en) * | 1991-11-07 | 1994-04-12 | Loveall Peter S | Frequency-hopped electronic signal transmitter |
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