Antenna apparatus for vehicle-mounted receiver/transmitter equip

Details Antenna apparatus for vehicle-mounted receiver/transmitter equip Antenna apparatus for vehicle-mounted receiver/transmitter equip

1982-10-21

1985-03-19

Lieberman, Eli

Communications: radio wave antennas

Antennas

With vehicle

343903, 455289, H01Q 132

Patent

active

045062668

ABSTRACT:
An antenna for a vehicle-mounted receiver/transmitter includes: a driver for extending and retracting an antenna connected to the receiver/transmitter; a selector for selecting a frequency to be received and/or transmitted by the receiver/transmitter; and a controller which operates in response to an output from the frequency selector for causing the driver to extend and retract the antenna by the length corresponding to the frequency, and for retracting almost the entire antenna into the body of the vehicle when the receiver/transmitter is not operating.

REFERENCES:
patent: 2321556 (1943-06-01), Raskhodoff
patent: 2484817 (1949-10-01), Armond
patent: 3369247 (1968-03-01), Bacow
patent: 3380060 (1968-04-01), Czerwinski
patent: 3380062 (1968-04-01), George

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