Antenna for a portable transceiver

Details Antenna for a portable transceiver Antenna for a portable transceiver

1989-08-02

1991-07-09

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Rod type

343702, H01Q 110

Patent

active

050309668

ABSTRACT:
A telescoping antenna structure suitable for use in a portable transceiver for increasing the level of radiated or received r-f energy while in a collapsed position and also obtaining the maximum permitted level of radiated r-f energy while in an extended position. The increase in r-f energy in the antenna while in the collapsed position is obtained through use of a projectable sliding member affixed to the antenna which comes in contact with and makes electrical changes to antenna tuning circuitry when the antenna is adjusted from the extended position to the collapsed position.

REFERENCES:
patent: 2899485 (1959-08-01), Friedberg et al.
patent: 4603333 (1986-07-01), Carlson
patent: 4860024 (1989-08-01), Egashira
patent: 4862182 (1989-08-01), Egashira

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