Antenna coupling apparatus for cordless telephone

Details Antenna coupling apparatus for cordless telephone Antenna coupling apparatus for cordless telephone

1992-04-27

1992-12-08

Hille, Rolf

Communications: radio wave antennas

Antennas

With radio cabinet

343906, 455347, 455 89, H01Q 124

Patent

active

051701731

ABSTRACT:
The antenna coupling apparatus of the present invention couples an antenna, located in a hinged element (102) of a wireless communication device, to the receiver (401) of the device. In the preferred embodiment, the communication device is a radiotelephone. The coupling is achieved without contact or flexible cable by parallel plate capacitors (201 and 202) in the hinge of the communication device. The capacitors (201 and 202) additionally act as a matching network for the antenna.

REFERENCES:
patent: 2315315 (1943-03-01), Cairnes
patent: 4313119 (1982-01-01), Garay et al.
patent: 4644366 (1987-02-01), Scholz
patent: 5014346 (1991-05-01), Phillips
patent: 5057847 (1991-10-01), Vaisanen
patent: 5073761 (1991-12-01), Waterman

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