发明名称 |
CONTROL CIRCUIT AND METHOD FOR CONTROLLING LIGHT EMITTING DIODES |
摘要 |
<p>A control circuit for controlling light emitting diodes has a switch for turning on or off a string of light emitting diodes. A combiner generates a control signal from a data signal and a noise signal. A sigma delta modulator receives the control signal and a clock signal with a clock period and generates a switching signal for controlling the switch.</p> |
申请公布号 |
WO2008000465(A1) |
申请公布日期 |
2008.01.03 |
申请号 |
WO2007EP05694 |
申请日期 |
2007.06.27 |
申请人 |
AUSTRIAMICROSYSTEMS AG;PAURITSCH, MANFRED |
发明人 |
PAURITSCH, MANFRED |
分类号 |
H05B33/08 |
主分类号 |
H05B33/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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