发明名称 |
Method and device for modulating the light emission of a lighting device |
摘要 |
The invention relates to controlling a lighting device, particularly to the modulation of light generated by a solid state lighting (SSL) device. The invention provides a method and device for modulating the light emission of a lighting device by keying each pulse (14) of a sequence of pulses (16) contained in the control signal (10) according to a spreading code. Thus, the light emission of a lighting device may be identified by detecting the spreading code used for modulating the light emission. The invention is particularly suitable for lighting means containing several lighting devices such as a LED lighting board with dozens of LEDs since the light emission of each lighting device may be detected by the spreading code used for modulating the light emission.
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申请公布号 |
US8494367(B2) |
申请公布日期 |
2013.07.23 |
申请号 |
US20070306349 |
申请日期 |
2007.06.18 |
申请人 |
LINNARTZ JOHAN PAUL MARIE GERARD;KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
LINNARTZ JOHAN PAUL MARIE GERARD |
分类号 |
H04J14/00;H04B10/11 |
主分类号 |
H04J14/00 |
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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