Two terminal pulsed low voltage incandescent lamp dimmer with in

Details Two terminal pulsed low voltage incandescent lamp dimmer with in Two terminal pulsed low voltage incandescent lamp dimmer with in

1994-03-21

1996-05-21

Pascal, Robert J.

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Flashers

315360, 315362, 315241R, 315240, 315DIG7, H05B 3700

Patent

active

055192874

ABSTRACT:
A two terminal pulse width modulated incandescent lamp dimmer using low frequency pulse repetition rate provides increased illuminating efficiency by compensating both for light producing inefficiency of a tungsten filament at dimmed level settings, and for internal resistance of a direct current power source. A preferred embodiment of the dimmer is designed for 3.5 to 9.0 volt operation.

REFERENCES:
patent: 5164636 (1992-11-01), Allaie
Sylvania Miniature Lighting Products Handbook & Catalog, 1974, "Flashing", pp. 15 and 16.

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