Flush-mounted antenna and transmission system
First Claim
Patent Images
1. An apparatus positioned beneath a surface, the apparatus comprising:
- an antenna positioned substantially flush with the surface, the antenna capable of either receiving radiation or transmitting radiation when excited;
a communication device coupled to the antenna; and
a matching network coupled to the antenna and to the communication device, the matching network including a radial transmission line, the matching network including a can having a base and a sidewall, the base of the can and the sidewall of the can defining a cavity, the matching network further including a tuner element positioned within the cavity of the can.
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Abstract
An apparatus mounted beneath or behind a surface and being operable to transmit or receive wireless communication signals for transmitting information from one location to a remote location. The apparatus includes an antenna mounted substantially flush with a surface. The apparatus also includes a communication device and a matching network having a radial transmission line. The communication device is connected to the antenna via the matching network and includes either a transmitter, a receiver or a transceiver.
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Citations
32 Claims
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1. An apparatus positioned beneath a surface, the apparatus comprising:
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an antenna positioned substantially flush with the surface, the antenna capable of either receiving radiation or transmitting radiation when excited;
a communication device coupled to the antenna; and
a matching network coupled to the antenna and to the communication device, the matching network including a radial transmission line, the matching network including a can having a base and a sidewall, the base of the can and the sidewall of the can defining a cavity, the matching network further including a tuner element positioned within the cavity of the can. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An apparatus positioned substantially beneath a surface, the apparatus comprising:
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an annular slot antenna positioned substantially flush with the surface, the antenna capable of transmitting radiation when excited;
a can having a base and a sidewall;
a tuner element positioned within the can;
a communication device to excite the antenna; and
a radial transmission line coupling the communication device to the antenna, the radial transmission line including the base of the can and the tuner element. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification