Multi-zone lighting control system

Details Multi-zone lighting control system Multi-zone lighting control system

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

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