Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1976-09-30
1978-12-05
Schaefer, Robert K.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
307141, 340 56, H02G 300
Patent
active
041287703
ABSTRACT:
An automatically returning apparatus for turn signal lamp switch includes a semiconductor switching circuit for detecting a certain running distance of vehicle after the throwing of the turn signal lamp switch, a driving circuit for energizing a solenoid provided to cause the turn signal lamp switch to return to its non-operating position and a circuit for maintaining continuous operation of the solenoid for a given time after the turn signal lamp switch starts its opening or returning operation.
REFERENCES:
patent: 2767391 (1956-10-01), MacMahon
patent: 3110011 (1963-11-01), Burson, Jr.
Ginsburg Morris
Schaefer Robert K.
Stanley Electric Co. Ltd.
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