H - Electricity – 01 – K
Patent
H - Electricity
01
K
H01K 1/62 (2006.01) H02M 5/293 (2006.01)
Patent
CA 2538790
A lamp includes a voltage conversion circuit entirely within a lamp base. The voltage conversion circuit includes a pulse width modulator for modulating a lamp load voltage and provides a load voltage to a light emitting element. A feed-back circuit adjusts the pulse width modulator in response to the load voltage to cause an RMS load voltage to reach a predetermined level.
Ballenger Matthew B.
Kendrick George B.
Weyhrauch Ernest C.
Fetherstonhaugh & Co.
Osram Sylvania Inc.
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