Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1986-11-17
1988-03-22
Roskoski, Bernard
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
343903, H01Q 132
Patent
active
047331011
ABSTRACT:
Power antenna control apparatus is disclosed for a vehicle having an ignition switch with off, run and start positions, engine start means responsive to the ignition switch in its start position, a radio receiver effective to generate an extend signal when activated and a retract signal when deactivated and means effective to deactivate the radio receiver with the ignition switch in its off and start positions. The control comprises control means responsive to the extend and retract signals to activate the drive means toward, respectively, fully extended and retracted antenna positions and further comprises control means responsive to the ignition switch in its start position to deactivate the drive means at least in the extend direction and for at least a predetermined period of time deemed sufficient for engine starting, whereby reversal of antenna extension during engine starting is prevented. The last control means may be deactivated when the antenna is in its fully extended position to permit immediate antenna retraction when the ignition switch is turned off.
REFERENCES:
patent: 4140952 (1979-02-01), Miller
patent: 4330782 (1982-05-01), Hashimoto et al.
patent: 4414551 (1983-11-01), Tadauchi et al.
patent: 4649398 (1987-03-01), Yamamoto et al.
Denton Gary R.
Foust Jeff A.
Graham Donald E.
Wainwright Richard E.
General Motors Corporation
Roskoski Bernard
Sigler Robert M.
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