Control apparatus for power window

Details Control apparatus for power window Control apparatus for power window

1995-03-14

1996-07-16

Wysocki, Jonathan

Electricity: motive power systems

Motor-reversing

Automatic and/or with time-delay means

318466, 49 28, H02P 700

Patent

active

055370136

ABSTRACT:
This invention prevents a power window from trapping a hand or the like during manual opening and closing of the window as well as during automatic opening and closing of the window. A current-flowing unit 56 flows a current in a closing direction in a power window motor 58 by turning on a sub-switch 57 for a passenger's seat window. While a catching detector 61 generates a detecting signal when an obstacle is present, a breaker 63 breaks a current flowing in a closing direction in the motor 58 through the unit 56 by turning off a master switch 39 for the passenger's seat. A reversing unit 65 rotates the motor 58 in a reverse direction by flowing a current in an opening direction in the motor 58. Even if an obstacle is present during an operation of closing the manual sub-switch 57, it is possible to release window, thereby freeing the obstacle.

REFERENCES:
patent: 3733532 (1973-05-01), Hill
patent: 4562387 (1985-12-01), Lehnhoff
patent: 4578591 (1986-03-01), Floyd et al.
patent: 4628234 (1986-12-01), Mizuta et al.
patent: 4641067 (1987-02-01), Iizawa et al.
patent: 4686598 (1987-08-01), Herr
patent: 4883974 (1989-11-01), Tinder
patent: 4907153 (1990-03-01), Brodsky
patent: 5081586 (1992-01-01), Barthel et al.

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