Automatic headlight switch

Details Automatic headlight switch Automatic headlight switch

1978-10-05

1981-11-17

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Special application

Vehicle

315 83, B60Q 102

Patent

active

043013902

ABSTRACT:
An automatic headlight switch for automatically turning off headlights of a vehicle a predetermined period after the ignition switch is turned off consisting of a timer coupled to the ignition switch which is started by a transient pulse from the ignition switch being turned off which after the predetermined period is coupled to a relay solenoid for deactuation thereof opening relay contacts in series between the battery and the headlight switch. Upon turning on the headlight switch, a pulse generator coupled thereto which is triggered via a transient from the headlight switch actuates the relay solenoid and thereby applies power to the headlights through the relay contacts and the headlight switch.

REFERENCES:
patent: 3389296 (1968-06-01), Carruth
patent: 3748529 (1973-07-01), Ballou
patent: 3818267 (1974-06-01), Hill et al.
patent: 3825797 (1974-07-01), Maeda et al.
patent: 3825798 (1974-07-01), Teich
patent: 3881128 (1975-04-01), Douglas et al.
patent: 3909661 (1975-09-01), Grossenbacher
patent: 4208615 (1980-06-01), Jones et al.

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