E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
342/40
E05F 15/16 (2006.01)
Patent
CA 1222304
POWER WINDOW CONTROL FOR MOTOR VEHICLE WINDOW Abstract of the Disclosure Power window control apparatus for a motor vehicle window includes a motor actuatable to drive the window toward a predetermined posi- tion, an operator controlled actuator effective only during actuation to actuate the motor, a further actuator effective upon actuation of the operator controlled actuator for a time inter- mediate first and second predetermined time periods to maintain actuation of the motor after deactivation of the operator controlled actuator and an automatic deactivator effective to stop the motor and deactivate the further actuator when the window reaches the predetermined position. The window thus moves under operator control for very short or long movements but can be set to move under automatic control by actuation of the single operator control for a specified inter- mediate time duration. The further actuator may be a capacitor charged during the actuation of the operator controlled actuator for the first predetermined time to a voltage sufficient to maintain a motor driving FET conducting and a latching switch across the capacitor effective to discharge the same when the voltage thereacross reaches a higher voltage in the second predetermined time period.
440327
Lehnhoff Richard N.
Licata Joseph P.
Terkoski Frank J.
General Motors Corporation
Gowling Lafleur Henderson Llp
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