Method for controlling fluorescent lamp dimmers and circuit for

Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Radiant energy controlled regulation of the current supply...

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Details

315156, 315307, 315DIG7, 250214AL, H05B 3702

Patent

active

050380796

ABSTRACT:
A method of controlling fluorescent lamps in accordance with any selected one of a family of curves plotting sensed natural and artificial light against lamp output, each curve having a steep portion and a more moderate portion and a circuit for providing such control.

REFERENCES:
patent: 4135116 (1979-01-01), Smith
patent: 4236101 (1980-11-01), Luchaco
patent: 4464606 (1984-08-01), Kane
patent: 4514727 (1985-04-01), Van Antwerp
patent: 4585339 (1986-04-01), Senoo
patent: 4658129 (1987-04-01), Fan
patent: 4874989 (1989-10-01), Nilssen
patent: 4894527 (1990-01-01), Smith

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