H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/29
H05B 41/38 (2006.01) H05B 41/392 (2006.01)
Patent
CA 2031809
PHA 21.560 31-07-1990 ABSTRACT; Method for controlling fluorescent lamp dimmers and circuit for providing such control. 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.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Koninklijke Philips Electronics N.v.
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