Power supply circuit for automotive headlamp

Details Power supply circuit for automotive headlamp Power supply circuit for automotive headlamp

1988-03-23

1989-08-15

Shoop Jr., William M.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307112, 315 83, 315 82, B60Q 108, H02G 300

Patent

active

048577545

ABSTRACT:
A power supply circuit for automotive headlamp assemblies includes a switch assembly selectively operable between a first position at which the electrical power is supplied to high-beam valves of the headlamp assemblies, and a second position at which the electrical power is supplied to low-beam valves of the headlamp assemblies. The power supply circuit also includes means for establishing communication between a power source and the low-beam valves at the first position, so as to turn the low-beam valves on whenever the high-beam valves are turned on.

REFERENCES:
patent: 2131664 (1938-09-01), Johansen
patent: 2266548 (1941-12-01), Haines
patent: 2309039 (1943-01-01), Bluemle et al.
patent: 2825851 (1958-03-01), Lidiak
patent: 3179845 (1965-04-01), Kulwiec
patent: 3832597 (1974-08-01), Mitchell
patent: 3894227 (1975-07-01), Pickjaan et al.
patent: 4105898 (1978-08-01), Farler et al.
patent: 4503488 (1985-03-01), Soules et al.
patent: 4728861 (1988-03-01), Kurihara et al.

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