Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Reexamination Certificate
2005-09-19
2009-10-06
Vu, David Hung (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
C315S283000, C315S287000, C315S224000, C315S312000
Reexamination Certificate
active
07598685
ABSTRACT:
The present invention creates an LED driver in which all feedback signals are derived from a power stage media, and presents an isolated off-line LED driver with an accurate primary side controller only to power one or more LEDs. The present invention further provides an effective off-line LED driver comprising AC current shape controller with a minimum number of components. The present invention further provides a high quality luminous system based on LED drivers with the integrated synthesized optical feedback to compensate for imperfections of the LEDs as sources of light.
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Semiconductor Components Industries. “Offline LED Driver” ON Semiconductor, Mar. 2003, pp. 1-6.
Walding, Carl. “High Current LED—Isolated Low Voltage AC Drive Application Note” ON Semiconductor, Oct. 2003, pp. 1-12.
Rodriguez Harry
Shteynberg Anatoly
Exclara, Inc.
Gamburd Nancy R.
Gamburd Law Group LLC
Le Tung X
Vu David Hung
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