Electric lamp and discharge devices: systems – Electric switch in the supply circuit
Patent
1998-06-22
1999-11-23
Wong, Don
Electric lamp and discharge devices: systems
Electric switch in the supply circuit
315295, 315324, 315DIG4, 315119, H02B 3702
Patent
active
059906359
ABSTRACT:
A lighting dimmer for controlling the current through a lighting load includes circuitry for applying a predetermined dimming level control signal to a control circuit in response to the absence of a dimming level control signal and the cycling OFF and ON of a circuit breaker. The dimmer further includes voltage compensation circuitry for maintaining a constant lighting load current notwithstanding short-lived changes in nominal line voltage.
REFERENCES:
patent: 4473779 (1984-09-01), Lindner et al.
patent: 4651060 (1987-03-01), Clark
patent: 5729097 (1998-03-01), Holzer
Ference Jonathan H.
Hausman Donald F.
Loar John F.
Spehalski Robert S.
Zaharchuk Walter S.
Lee Wilson
Lutron Electronics Co. Inc.
Wong Don
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