Electrostatic windshield wiper and headlight control circuit

Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile

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Details

315 83, B60Q 104

Patent

active

056660057

ABSTRACT:
An electrostatic windshield wiper and headlight control circuit, for coupling an automobile windshield wiper circuit with automobile lamps and remotely actuating the automobile lamps; comprising a metal oxide semiconductor field effect transistor (Q1) and a relay. The metal oxide semiconductor field effect transistor (Q1) has an insulated gate for maintaining physical electrical isolation between the windshield wiper and automobile lamp circuits, and for operating with voltage only; it produces and uses static electricity to actuate the actuator circuit of the relay. The relay is for remotely controlling power to the automobile lamps. Voltage from the windshield wiper circuit is used to produce an electrostatic field, which actuates the actuator circuit of the relay, in effect, the isolated switching element of the relay becomes activated, and automatically transfers power directly from the vehicle's battery to connecting lamps. The lamps remain "on" after the wiper circuit is turned "off" to ensure safety.

REFERENCES:
patent: 3767966 (1973-10-01), Bell
patent: 5027001 (1991-06-01), Torbert
patent: 5185558 (1993-02-01), Benedict et al.
patent: 5202581 (1993-04-01), Moore
patent: 5293077 (1994-03-01), Seki et al.
patent: 5449974 (1995-09-01), Dunbar
patent: 5517065 (1996-05-01), Kover, Jr.
patent: 5523630 (1996-06-01), Smelley et al.

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