H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 37/00 (2006.01) H05B 37/02 (2006.01) H05B 39/00 (2006.01) H05B 39/04 (2006.01)
Patent
CA 2528363
A lamp which includes a fixed phase power controller connected between a terminal and a light emitting element converts line voltage to an RMS load voltage;. The controller has an analog control block that receives an input that is independent of a change in magnitude of the line voltage and that charges and discharges to provide; a trigger signal at a first frequency, a reset circuit that periodically resets an initial condition of said analog control block, a synchronization connection that provides a sync signal that synchronizes the trigger signal with a waveform of the line voltage, and a control circuit that is connected to said terminal and to said analog control block and that clips a load voltage based on the synchronized trigger signal to define the RMS load voltage.
Ballenger Matthew B.
Weyhrauch Ernest C.
Fetherstonhaugh & Co.
Osram Sylvania Inc.
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