Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate
2008-12-12
2011-10-25
Choi, Jacob Y (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
C315S307000
Reexamination Certificate
active
08044608
ABSTRACT:
There is provided a driving circuit for controlling power of a light source. The driving circuit includes a power converter and a dimming controller. The power converter is coupled between a power source and the light source, and can receive power from the power source and provide a regulated power to the light source. The dimming controller is coupled to the power converter, and can receive a switch monitoring signal. The switch monitoring signal can indicate an operation of a power switch coupled between the power source and the driving circuit. The dimming controller is further operable for adjusting the regulated power from the power converter by controlling a switch coupled in series with the light source according to the switch monitoring signal.
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Kuo Ching-Chuan
Lin Yung Lin
Choi Jacob Y
O2Micro Inc
Vu Jimmy T
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