Motorized automobile antenna control device

Details Motorized automobile antenna control device Motorized automobile antenna control device

1988-12-07

1991-02-05

Ro, Bentsu

Electricity: motive power systems

Motor-reversing

Automatic and/or with time-delay means

318266, 318466, H02P 122

Patent

active

049908367

ABSTRACT:
In a motorized automobile antenna control device for an antenna system wherein an antenna is raised when power supply of a radio receiver is switched on and lowered when the power supply is switched off, the antenna is prevented from being lowered for a predetermined period of time, for example two to ten seconds, after the power supply of the radio receiver is turned off by a timer so that unnecessary raising and lowering motions of the antenna are prevented when an ignition switch of an automobile is turned on.

REFERENCES:
patent: 4672278 (1987-06-01), Ingraham et al.
patent: 4749924 (1988-06-01), Watanabe et al.

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