Device for controlling motor driven antennas for vehicles

Details Device for controlling motor driven antennas for vehicles Device for controlling motor driven antennas for vehicles

1987-03-31

1988-08-02

Ro, Bentsu

Electricity: motive power systems

Automatic and/or with time-delay means

Responsive to thermal conditions

H02P 308

Patent

active

047615931

ABSTRACT:
A controlling device for an automobile motor driven antenna including a motor for extending and retracting an antenna by the power from a battery, and a control circuit for controlling the power. The control circuit includes a current detector for detecting the power flowing into and out of the motor and a current breaker which breaks the current when it is over a predesignated level so that a pair of relay contacts in the circuit changes the direction of the current so that the motor may make a forward or reverse rotation for extending or retracting the antenna and automatically make a stop of such rotation.

REFERENCES:
patent: 4220900 (1980-09-01), Mintz
patent: 4272708 (1981-06-01), Carle et al.
patent: 4394605 (1983-07-01), Terazawa
patent: 4514670 (1985-04-01), Fassel et al.
patent: 4672278 (1987-06-01), Ingraham et al.

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