专利名称:METHODS AND APPARATUS FOR
CONTROLLING MULTIPLE LIGHT SOURCESVIA A SINGLE REGULATOR CIRCUIT TOPROVIDE VARIABLE COLOR AND/OR COLORTEMPERATURE LIGHT
发明人:Timothy Moss申请号:US13122921申请日:20091002
公开号:US201101934A1公开日:20110811
专利附图:
摘要:Methods and apparatus for adjusting the color or color temperature ofcombined light emitted by one or more LEDs () driven by a single switching regulatorcircuit (). Properties of the light output are changed by intentionally varying a sourcevoltage () provided as an input to the regulator circuit (). The connection of differentcolored LEDs in various branches () of the switching regulator circuit () facilitates
adjustment of the respective drive currents provided to the LEDs, and hence the color orcolor temperature of the resulting combined light, merely by adjusting the level of thesource voltage of the regulator circuit.
申请人:Timothy Moss
地址:Chicago IL US
国籍:US
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