Solid state windshield wash and wipe controller

Details Solid state windshield wash and wipe controller Solid state windshield wash and wipe controller

1989-12-26

1990-08-07

Ro, Bentsu

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

Variable periods or intervals between controlling operations

318443, 318434, 318DIG2, 318281, B60S 108

Patent

active

049470922

ABSTRACT:
A wiper controller, responsive to any of a plurality of wash and wipe conditions, causes a short circuit protection circuit to inhibit control if the wiper motor becomes shorted. Hysteresis is employed for comparator operation of an intermittent wipe circuit that enables suitable short circuit protection.

REFERENCES:
patent: 3675103 (1972-07-01), Elliott
patent: 3849711 (1974-11-01), Elliott et al.
patent: 4158798 (1979-06-01), Holt
patent: 4314186 (1982-02-01), Gille et al.
patent: 4663575 (1987-05-01), Juzswik et al.
patent: 4705997 (1987-11-01), Juzswik
patent: 4825134 (1989-04-01), Tracht

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