Communication Apparatus and Method
First Claim
Patent Images
1. A communication system comprising:
- a communication path capable of conveying communication signals, a communication device adapted to receive or generate VHF or UHF communication signals, and a near field antenna associated with the communication device, the near field antenna being provided sufficiently near to the communication path to couple VHF or UHF communication signals to or from the communication device to the communication path.
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Abstract
A communication apparatus comprises a communication path capable of conveying communication signals, a communication device adapted to receive or generate VHF or LTHF communication signals, and a near field antenna associated with the communication device. The near field antenna is provided sufficiently near to the communication path to couple VHF or UHF communication signals to or from the communication device to the communication path. A HID/IPT system and a communication method are also provided.
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Citations
39 Claims
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1. A communication system comprising:
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a communication path capable of conveying communication signals, a communication device adapted to receive or generate VHF or UHF communication signals, and a near field antenna associated with the communication device, the near field antenna being provided sufficiently near to the communication path to couple VHF or UHF communication signals to or from the communication device to the communication path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An HID/IPT system comprising:
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a power supply path adapted to be energized by a power supply to provide an electromagnetic field associated with the power supply path;
one or more moveable pick-up devices associated with the power supply path and adapted to receive electrical energy from the electromagnetic field to supply a load;
a communication path capable of conveying communication signals, a communication device provided on each of the one or more pick-ups, the communication device being adapted to receive or generate VHF or UHF communication signals; and
a coupling unit associated with the communication device, the coupling unit being capacitively coupled to the communication path to couple VHF or UHF communication signals to or from the communication device to the communication path whereby the one or more pick-ups may communicate with each other or with a further device. - View Dependent Claims (14, 15, 16, 17)
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18. A communication method including comprising the steps of:
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providing a communication path capable of conveying communication signals;
providing a communication device, the communication device including a near field antenna capacitively coupled to the communication path, and either, a) imposing a VHF or UHF communication signal on the communication path and using the near field antenna to provide the signal to the communication device, or b) using the communication device to generate a VHF or UHF communication signal and using the near field antenna to provide the signal to the communication path.
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19. A communication system comprising:
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a communication path capable of conveying communication signals, a communication device adapted to receive or generate VHF or UHF communication signals, and a near field antenna associated with the communication device, the near field antenna being provided sufficiently near to the communication path to couple VHF or UHF communication signals to or from the communication device to the communication path, the near field antenna including a shielding device to limit electromagnetic radiation. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. An HID/IPT system comprising:
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a power supply path adapted to be energized by a power supply to provide an electromagnetic field associated with the power supply path;
one or more moveable pick-up devices associated with the power supply path and adapted to receive electrical energy from the electromagnetic field to supply a load;
a communication path capable of conveying communication signals, a communication device provided on each of the one or more pick-ups, the communication device being adapted to receive or generate VHF or UHF communication signals; and
a coupling unit associated with the communication device, the coupling unit being provided sufficiently near to the communication path to couple VHF or UHF communication signals to or from the communication device to the communication path whereby the one or more pick-ups may communication with each other or with a further device, the coupling unit including a shielding device to limit electromagnetic radiation. - View Dependent Claims (36, 37, 38)
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39-41. -41. (canceled)
Specification