Transmitter with power reduction to compensate for varying radia

Details Transmitter with power reduction to compensate for varying radia Transmitter with power reduction to compensate for varying radia

1989-05-17

1991-01-29

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

Mobile or portable

455127, 455129, H04B 1034

Patent

active

049892606

ABSTRACT:
A radio frequency transmitter of the type that is adapted to be powered from an internal battery power source, or from an external power supply that is connected to the transmitter by an electrical conductor, which conductor acts as a part of the antenna system for such transmitter and increases the strength of the signal radiated by the transmitter when the transmitter is powered from the external power supply, and which includes a circuit for reducing the power output of the transmitter, when the transmitter is connected to the external power supply.

REFERENCES:
patent: 3753117 (1973-08-01), Downing et al.
patent: 3873846 (1975-03-01), Morio et al.
patent: 4375701 (1983-03-01), Hanson
patent: 4441031 (1984-04-01), Moriya et al.
patent: 4618857 (1986-10-01), Dubois et al.
patent: 4636741 (1987-01-01), Mitzlaff
patent: 4654882 (1987-03-01), Ikeda
patent: 4747161 (1988-05-01), Hulsey et al.

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