WO2007002923A1 - Waveguide cable - Google Patents
Waveguide cable Download PDFInfo
- Publication number
- WO2007002923A1 WO2007002923A1 PCT/US2006/025776 US2006025776W WO2007002923A1 WO 2007002923 A1 WO2007002923 A1 WO 2007002923A1 US 2006025776 W US2006025776 W US 2006025776W WO 2007002923 A1 WO2007002923 A1 WO 2007002923A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cable
- cable portion
- dielectric
- antenna
- length
- Prior art date
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000004809 Teflon Substances 0.000 claims 2
- 230000001902 propagating effect Effects 0.000 claims 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 2
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010624 twisted pair cabling Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
- H01P3/14—Hollow waveguides flexible
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
- H01P3/127—Hollow waveguides with a circular, elliptic, or parabolic cross-section
Definitions
- Computers and other electronic devices may exchange digital information through a cable.
- a Personal Computer might transmit data to another PC or to a peripheral (e.g., a printer) through a coaxial or Category 5 (Cat5) cable.
- Cat5 coaxial or Category 5
- the rate at which computers and other electronic devices are able to transmit and/or receive digital information is increasing.
- FIG. 1 is a block diagram of a system according to some embodiments.
- FIG. 2 is a chart illustrating insertion loss as a function of frequency.
- FIG. 3 is cross-sectional view of a waveguide cable according to some embodiments.
- FIG. 4 is an antenna for a waveguide cable according to some embodiments.
- FIG. 5 is a side cross-sectional view of a waveguide cable according to some embodiments.
- FIG. 6 illustrates energy propagation through a waveguide cable according to some embodiments.
- FIG. 7 is a chart illustrating insertion loss as a function of frequency according to some embodiments.
- FIG. 8 is a flow diagram of a method according to some embodiments.
- FIG. 9 is a cross-sectional view of a waveguide cable according to another embodiment.
- FIG. 1 is a block diagram of a system 100 in which a first computing device 110 and a second computing device 120 exchange information via a cable 150.
- the computing devices 110, 120 might be associated with, for example, a PC, a mobile computer, a server, a computer peripheral (e.g., a printer or display monitor), a storage device (e.g., an external hard disk drive or memory unit), a display device (e.g., a digital television, digital video recorder, or set-top box), or a game device.
- the cable 150 might comprise, for example, a coaxial, Unshielded Twisted-Pair (UTP), Shielded Twisted-Pair cabling (STP), or Cat5 cable adapted to electrically propagate digital information.
- UTP Unshielded Twisted-Pair
- STP Shielded Twisted-Pair cabling
- Cat5 cable adapted to electrically propagate digital information.
- FIG. 2 is a chart 200 illustrating insertion loss for a typical electrical cable as a function of frequency.
- An x- axis represents the frequency at which digital information is transmitted in Hertz (Hz) (with movement along the x-axis to the right representing an increase in the rate), and a y- axis represents the associated insertion loss in decibels (dB) (with movement along the y- axis upwards representing an decrease in the loss, and therefore an increase in the strength of the signal).
- Hz Hertz
- dB decibels
- plot 210 increasing the rate at which digital information is transmitted will cause the insertion loss to increase (and therefore the signal strength will decrease).
- the frequency response of a typical cable might cause significant Inter-Symbol Interference (ISI) at relatively high frequencies.
- ISI Inter-Symbol Interference
- the rate at which digital information can be transmitted through a typical electrical cable may be limited.
- a typical electrical cable may be limited.
- signal losses may make it impractical to transmit digital signals at 30 GHz or higher.
- the cable 150 may be formed as a fiber optic cable adapted to optically transmit digital information. Such an approach, however, may require a laser or other device to convert an electrical signal at the first computing device 110 (and a light detecting device at the second computing device 120 to convert the light information back into electrical signals). These types of non-silicon components can be expensive, difficult to design, and relatively sensitive to system noise.
- the cable 150 coupling the first computing device 110 and the second computing device 120 is formed as a waveguide cable adapted to transmit digital information in the form of electromagnetic waves.
- FIG. 3 is cross-sectional view of a waveguide cable 300 according to some embodiments.
- the waveguide cable 300 includes a dielectric core 310, such as a low loss dielectric core 310 that extends the length of the cable 300.
- the dielectric core 310 might be formed of, for example, TEFLON® brand polytetrafluoroethylene (available from DuPont), polyurethane, air, or another appropriate material.
- the dielectric core 310 may have a substantially circular cross-section.
- a conducting layer 320 surrounds the dielectric core 310 (e.g., and may also extend along the length of the cable 300).
- the conducting layer might comprise, for example, a copper wire braid.
- An insulating layer 330 may surround the conducting layer 320 according to some embodiments (e.g., a sheath of rubber or plastic may extend along the length of the cable 300). Note that materials used for the dielectric core 310, the conducting layer 320, and/or the insulating layer 330 may be selected, according to some embodiments, such that the waveguide cable 300 is sufficiently flexible.
- FIG. 4 is an antenna 400 that may be associated with a waveguide cable according to some embodiments.
- one antenna 400 might be mounted at a first end of a cable portion (e.g., to act as a transmitting antenna), and a second antenna may be mounted at the opposite end (e.g., to act as a receiving antenna).
- the antenna 400 includes a transmitting/receiving portion 440, such as a horizontally polarized antenna, that converts an electrical signal into electromagnetic waves and/or electromagnetic waves into an electrical signal.
- the antenna 400 may also include a Surface Mounted Assembly (SMA) 450 that may be adapted to interface with a computing device.
- SMA Surface Mounted Assembly
- FIG. 5 is a side cross-sectional view of a waveguide cable 500 according to some embodiments.
- the cable 500 may include a flexible cable portion having an axis that extends along it's length, including: a dielectric medium 510, a copper wire braid layer 520 that surrounds the dielectric medium 510, and an insulating layer 530 that surrounds the copper wire braid layer 520.
- a transmitting portion 540 of a first antenna 550 may extend into the dielectric medium 510 at one end of the cable 500.
- a receiving portion 542 of a second antenna 552 may extend into the dielectric medium 510 at the opposite end of the cable 500.
- the transmitting and receiving portions 540, 542 may comprise, for example, horizontally polarized antennas that extend along the axis of the cable.
- the transmitting portion 540 may be adapted to, for example, receive a digital signal (e.g., from a first computing device) and to propagate energy through the dielectric medium 510.
- the receiving portion 542 may be adapted to, for example, receive energy and to provide a digital signal (e.g., to a second computing device).
- FIG. 6 illustrates energy propagation 600 through a waveguide cable according to some embodiments.
- a dielectric medium 610 has a substantially circular cross-section, and the energy (e.g., the electric E-field and magnetic H-field) is excited in a low order radial mode.
- the energy might propagate, for example, in the lowest order radial mode TMOl.
- FIG. 7 is a chart 700 illustrating insertion loss as a function of frequency according to some embodiments.
- an x-axis represents the frequency at which digital information is transmitted in Hz (with movement along the x- axis to the right representing an increase in the rate)
- a y-axis represents the insertion loss in decibels (dB) (with movement along the y-axis upwards representing an decrease in the loss, and therefore an increase in the strength of the signal).
- the chart 700 includes a plot 710 associated with a normal electrical cable 710 (illustrated by a dashed line in FIG. 7) for comparison.
- the waveguide filter is associated with two high frequency pass-band regions 730, 740.
- the region 750 between the two high frequency pass-band regions 730, 740 might be caused by, for example, interference from another mode.
- a multi-band modulated carrier may be used to transmit digital information using the frequencies of the pass-band regions 730, 740. Note that as the diameter of a dielectric core becomes smaller, the frequencies associated with the pass-band regions may increase.
- a waveguide cable having dimensions similar to those of an RG6 coaxial cable may have a pass-band region associated with approximately 30 to 40 GHz.
- FIG. 8 is a flow diagram of a method according to some embodiments.
- a digital signal is generated at a first computing device (e.g., an electrical signal may be generated having a relatively high data rate).
- an electromagnetic wave associated with the digital signal propagates through a waveguide cable (e.g., via a transmitting antenna at one end of the cable).
- the digital signal is then re-created at a second computing device in accordance with the electromagnetic wave at 806 (e.g., by a receiving antenna at the opposite end of the cable). In this way, the first and second computing devices may exchange information.
- FIG. 9 is a cross-sectional view of a waveguide cable 900 according to another embodiment.
- a dielectric core 910 having an elliptical or oval cross section may be provided.
- a conducting layer 920 and/or an insulating layer 930 may also have an elliptical or oval shape.
- dielectric cores having any other shape may be provided.
- a transmitting or receiving antenna as being part of a waveguide cable.
- a waveguide cable might not include any antenna.
- a transmitting antenna might be formed as part of a first computing device, and a receiving antenna might be formed as part of a second computing device.
Abstract
According to some embodiments, a waveguide cable includes a dielectric core and a conducting layer surrounding the dielectric core. A first antenna may be provided at a first end of the waveguide cable to receive a digital signal and to propagate an electromagnetic wave through the dielectric core. A second antenna may be provided at a second end of the waveguide cable, opposite the first end, to receive the electromagnetic wave from the dielectric core and to provide the digital signal.
Description
WAVEGUIDE CABLE
BACKGROUND
Computers and other electronic devices may exchange digital information through a cable. For example, a Personal Computer (PC) might transmit data to another PC or to a peripheral (e.g., a printer) through a coaxial or Category 5 (Cat5) cable. Moreover, the rate at which computers and other electronic devices are able to transmit and/or receive digital information is increasing. As a result, it may be desirable to provide a cable that can transfer information at relatively high data rates, such as 30 Gigahertz (GHz) or higher.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a block diagram of a system according to some embodiments. FIG. 2 is a chart illustrating insertion loss as a function of frequency.
FIG. 3 is cross-sectional view of a waveguide cable according to some embodiments. FIG. 4 is an antenna for a waveguide cable according to some embodiments.
FIG. 5 is a side cross-sectional view of a waveguide cable according to some embodiments.
FIG. 6 illustrates energy propagation through a waveguide cable according to some embodiments. FIG. 7 is a chart illustrating insertion loss as a function of frequency according to some embodiments.
FIG. 8 is a flow diagram of a method according to some embodiments.
FIG. 9 is a cross-sectional view of a waveguide cable according to another embodiment.
DETAILED DESCRIPTION
Computers and other electronic devices may exchange digital information through a cable. For example, FIG. 1 is a block diagram of a system 100 in which a first computing device 110 and a second computing device 120 exchange information via a cable 150. The computing devices 110, 120 might be associated with, for example, a PC, a mobile computer, a server, a computer peripheral (e.g., a printer or display monitor), a storage device (e.g., an external hard disk drive or memory unit), a display device (e.g., a digital television, digital video recorder, or set-top box), or a game device.
The cable 150 might comprise, for example, a coaxial, Unshielded Twisted-Pair (UTP), Shielded Twisted-Pair cabling (STP), or Cat5 cable adapted to electrically propagate digital information.
As the rate at which digital information is being transmitted increases, energy losses associated with the cable 150 may also increase. For example, FIG. 2 is a chart 200 illustrating insertion loss for a typical electrical cable as a function of frequency. An x- axis represents the frequency at which digital information is transmitted in Hertz (Hz) (with movement along the x-axis to the right representing an increase in the rate), and a y- axis represents the associated insertion loss in decibels (dB) (with movement along the y- axis upwards representing an decrease in the loss, and therefore an increase in the strength of the signal). As can be seen by plot 210, increasing the rate at which digital information is transmitted will cause the insertion loss to increase (and therefore the signal strength will decrease). Moreover, the frequency response of a typical cable might cause significant Inter-Symbol Interference (ISI) at relatively high frequencies.
As a result, the rate at which digital information can be transmitted through a typical electrical cable may be limited. Consider, for example, a ten foot electrical cable. In this case, signal losses may make it impractical to transmit digital signals at 30 GHz or higher.
To avoid such a limitation, the cable 150 may be formed as a fiber optic cable adapted to optically transmit digital information. Such an approach, however, may require a laser or other device to convert an electrical signal at the first computing device 110 (and a light detecting device at the second computing device 120 to convert the light information back into electrical signals). These types of non-silicon components can be expensive, difficult to design, and relatively sensitive to system noise.
According to some embodiments, the cable 150 coupling the first computing device 110 and the second computing device 120 is formed as a waveguide cable adapted to transmit digital information in the form of electromagnetic waves. For example, FIG. 3 is cross-sectional view of a waveguide cable 300 according to some embodiments. The waveguide cable 300 includes a dielectric core 310, such as a low loss dielectric core 310 that extends the length of the cable 300. The dielectric core 310 might be formed of, for example, TEFLON® brand polytetrafluoroethylene (available from DuPont), polyurethane, air, or another appropriate material. According to some embodiments, the dielectric core 310 may have a substantially circular cross-section. According to some embodiments, a conducting layer 320 surrounds the dielectric core 310 (e.g., and may also extend along the length of the cable 300). The conducting layer might comprise, for example, a copper wire braid. An insulating layer 330 may surround the conducting layer 320 according to some embodiments (e.g., a sheath of rubber or plastic may extend along the length of the cable 300). Note that materials used for the dielectric core 310, the conducting layer 320, and/or the insulating layer 330 may be selected, according to some embodiments, such that the waveguide cable 300 is sufficiently flexible.
FIG. 4 is an antenna 400 that may be associated with a waveguide cable according to some embodiments. For example, one antenna 400 might be mounted at a first end of a cable portion (e.g., to act as a transmitting antenna), and a second antenna may be mounted at the opposite end (e.g., to act as a receiving antenna). The antenna 400 includes a transmitting/receiving portion 440, such as a horizontally polarized antenna, that converts an electrical signal into electromagnetic waves and/or electromagnetic waves into an electrical signal. The antenna 400 may also include a Surface Mounted Assembly (SMA) 450 that may be adapted to interface with a computing device.
FIG. 5 is a side cross-sectional view of a waveguide cable 500 according to some embodiments. The cable 500 may include a flexible cable portion having an axis that extends along it's length, including: a dielectric medium 510, a copper wire braid layer 520 that surrounds the dielectric medium 510, and an insulating layer 530 that surrounds the copper wire braid layer 520.
A transmitting portion 540 of a first antenna 550 may extend into the dielectric medium 510 at one end of the cable 500. Similarly, a receiving portion 542 of a second
antenna 552 may extend into the dielectric medium 510 at the opposite end of the cable 500. The transmitting and receiving portions 540, 542 may comprise, for example, horizontally polarized antennas that extend along the axis of the cable. The transmitting portion 540 may be adapted to, for example, receive a digital signal (e.g., from a first computing device) and to propagate energy through the dielectric medium 510. The receiving portion 542 may be adapted to, for example, receive energy and to provide a digital signal (e.g., to a second computing device). According to some embodiments, other antenna arrangements may be provided. For example, vertically polarized antennae might be used to transmit and receive energy. The materials and dimensions of the waveguide cable may be selected such that the electromagnetic wave will appropriately propagate from the transmitting portion 540 to the receiving portion 542. That is, the materials may act as a hollow, flexible pipe or tube through which the electromagnetic waves will flow. For example, FIG. 6 illustrates energy propagation 600 through a waveguide cable according to some embodiments. In this case, a dielectric medium 610 has a substantially circular cross-section, and the energy (e.g., the electric E-field and magnetic H-field) is excited in a low order radial mode. The energy might propagate, for example, in the lowest order radial mode TMOl.
Because electromagnetic waves are used to transmit the digital information, a waveguide cable may be associated with at least one relatively high frequency pass-band region. For example, FIG. 7 is a chart 700 illustrating insertion loss as a function of frequency according to some embodiments. As with FIG. 2, an x-axis represents the frequency at which digital information is transmitted in Hz (with movement along the x- axis to the right representing an increase in the rate), and a y-axis represents the insertion loss in decibels (dB) (with movement along the y-axis upwards representing an decrease in the loss, and therefore an increase in the strength of the signal). Note that the chart 700 includes a plot 710 associated with a normal electrical cable 710 (illustrated by a dashed line in FIG. 7) for comparison.
As can be seen by plot 720, the waveguide filter is associated with two high frequency pass-band regions 730, 740. Note that the region 750 between the two high frequency pass-band regions 730, 740 might be caused by, for example, interference from another mode. According to some embodiments, a multi-band modulated carrier may be used to transmit digital information using the frequencies of the pass-band regions 730,
740. Note that as the diameter of a dielectric core becomes smaller, the frequencies associated with the pass-band regions may increase. According to some embodiments, a waveguide cable having dimensions similar to those of an RG6 coaxial cable may have a pass-band region associated with approximately 30 to 40 GHz. Also note that the frequency response in these regions 720, 730 may reduce ISI problems as compared to a typical electrical cable (e.g., the need for equalization may be reduced). As a result, digital information may be transmitted between computing devices, through a waveguide cable, at relatively high rates. Moreover, the use of expensive and sensitive optical components may be avoided. FIG. 8 is a flow diagram of a method according to some embodiments. At 802, a digital signal is generated at a first computing device (e.g., an electrical signal may be generated having a relatively high data rate). At 804, an electromagnetic wave associated with the digital signal propagates through a waveguide cable (e.g., via a transmitting antenna at one end of the cable). The digital signal is then re-created at a second computing device in accordance with the electromagnetic wave at 806 (e.g., by a receiving antenna at the opposite end of the cable). In this way, the first and second computing devices may exchange information.
The following illustrates various additional embodiments. These do not constitute a definition of all possible embodiments, and those skilled in the art will understand that many other embodiments are possible. Further, although the following embodiments are briefly described for clarity, those skilled in the art will understand how to make any changes, if necessary, to the above description to accommodate these and other embodiments and applications.
For example, although dielectric cores with substantially circular cross-sections have been described, note that dielectric core may have other shapes in accordance with any of the embodiments described herein. For example, FIG. 9 is a cross-sectional view of a waveguide cable 900 according to another embodiment. In this case, a dielectric core 910 having an elliptical or oval cross section may be provided. As a result, a conducting layer 920 and/or an insulating layer 930 may also have an elliptical or oval shape. Similarly, dielectric cores having any other shape may be provided.
Moreover, some embodiments herein have described a transmitting or receiving antenna as being part of a waveguide cable. Note that a waveguide cable might not
include any antenna. In this case, a transmitting antenna might be formed as part of a first computing device, and a receiving antenna might be formed as part of a second computing device.
The several embodiments described herein are solely for the purpose of illustration. Persons skilled in the art will recognize from this description other embodiments may be practiced with modifications and alterations limited only by the claims.
Claims
1. An apparatus, comprising: a cable portion, including: a dielectric core extending the length of the cable portion, and a conducting layer extending the length of the cable portion and surrounding the dielectric core; a first antenna, at a first end of the cable portion, to receive a digital signal and to propagate an electromagnetic wave through the dielectric core; and a second antenna, at a second end of the cable portion opposite the first end, to receive the electromagnetic wave from the dielectric core and to provide the digital signal.
2. The apparatus of claim 1, wherein the cable portion is associated with an axis extending the length of the cable portion, and said first and second antennas comprise horizontally polarized antennas extending along the axis.
3. The apparatus of claim 1, wherein the dielectric core comprises at least one of: (i) TEFLON or (ii) polyurethane.
4. The apparatus of claim I5 wherein the conducting layer comprises a copper wire braid.
5. The apparatus of claim 1, further comprising: an insulating layer extending the length of the cable portion and surrounding the conducting layer.
6. The apparatus of claim 1, wherein the dielectric core has a substantially circular cross-section.
7. The apparatus of claim 1, wherein dimensions of the dielectric core, the first antenna, and the second antenna result in low order radial mode propagation of the electromagnetic wave.
8. The apparatus of claim 1, wherein the low order radial mode comprises TMOl.
9. The apparatus of claim 1, wherein at least one of the first or second antenna is associated with a surface mounted assembly.
10. The apparatus of claim 1, wherein the cable portion is associated with at least one relatively high frequency pass-band region.
11. The apparatus of claim 1, wherein the cable portion is flexible.
12. A method, comprising: generating a digital signal at a first computing device; propagating an electromagnetic wave associated with the digital signal through a waveguide cable; and re-creating the digital signal at a second computing device in accordance with the electromagnetic wave.
13. The method of claim 12, further wherein said generating and re-creating are associated with antennas located at each end of the waveguide cable.
14. The method of claim 12, wherein the waveguide cable has a dielectric core extending the length of the waveguide cable, and said propagating comprises transmitting the electromagnetic wave through the dielectric core.
15. An apparatus, comprising: a flexible cable portion associated with an axis extending the length of the flexible cable portion, including: a dielectric medium extending the length of the flexible cable portion, a copper wire braid layer extending the length of the flexible cable portion and surrounding the dielectric medium, and an insulating layer extending the length of the cable portion and surrounding the copper wire braid layer; a first horizontally polarized antenna extending along the axis, at a first end of the flexible cable portion, to receive a digital signal and to propagate energy through the flexible cable portion; and a second horizontally polarized antenna extending along the axis, at a second end of the flexible cable portion opposite the first end, to receive the energy from the flexible cable portion and to provide the digital signal.
16. The apparatus of claim 15, wherein the energy propagates through the dielectric medium as an electromagnetic wave.
17. The apparatus of claim 15, wherein the dielectric medium comprises at least one of: (i) TEFLON or (ii) polyurethane.
18. The apparatus of claim 15, wherein the dielectric medium has a substantially circular cross-section and the energy propagates in a low order radial mode.
19. A system, comprising: a first computing device; a peripheral computing device; and a waveguide cable coupling the first computing device and the peripheral computing device, including a dielectric portion extending substantially the length of the waveguide cable.
20. The system of claim 19, wherein at least one of the first computing device or the second computer device is associated with at least one of: (i) a personal computer, (ii) a mobile computer, (iii) a server, (iv) a storage device, (v) a display device, (vi) a television, or (vii) a game device.
21. The system of claim 19, wherein the waveguide cable further includes: a conducting portion extending the length of the cable portion and surrounding the dielectric portion; a first antenna, at a first end of the waveguide cable, to receive a digital signal generated by the first computing device and to propagate an electromagnetic wave through the dielectric portion; and a second antenna, at a second end of the waveguide cable opposite the first end, to receive the electromagnetic wave from the dielectric portion and to provide the digital signal to the peripheral computing device.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/170,426 | 2005-06-29 | ||
US11/170,426 US7301424B2 (en) | 2005-06-29 | 2005-06-29 | Flexible waveguide cable with a dielectric core |
Publications (1)
Publication Number | Publication Date |
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WO2007002923A1 true WO2007002923A1 (en) | 2007-01-04 |
Family
ID=37075026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/US2006/025776 WO2007002923A1 (en) | 2005-06-29 | 2006-06-29 | Waveguide cable |
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US (2) | US7301424B2 (en) |
WO (1) | WO2007002923A1 (en) |
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Also Published As
Publication number | Publication date |
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US7301424B2 (en) | 2007-11-27 |
US20080036558A1 (en) | 2008-02-14 |
US7474178B2 (en) | 2009-01-06 |
US20070001789A1 (en) | 2007-01-04 |
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