Waterproof power window device

Details Waterproof power window device Waterproof power window device

1998-12-04

2000-06-06

Martin, David

Electricity: motive power systems

Motor-reversing

Automatic and/or with time-delay means

318446, H02D 100

Patent

active

060722908

ABSTRACT:
When a window lowering switch is operated, a car voltage is supplied to a window lowering relay to drive the window lowering relay, and the window lowering relay is inhibited from being driven by supplying an inverse voltage to a window elevating relay. Thus, there is provided a waterproof power window device in which a window may be opened by operating the window lowering switch (3) even when a car falls in the water and is laid under water.

REFERENCES:
patent: 4328451 (1982-05-01), Barge
patent: 4562387 (1985-12-01), Lehnhoff
patent: 4575662 (1986-03-01), Lehnhoff
patent: 4678975 (1987-07-01), Vrabel et al.
patent: 4683975 (1987-08-01), Booth et al.
patent: 4908554 (1990-03-01), Chance
patent: 5547208 (1996-08-01), Chappell et al.

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