发明申请
- 专利标题: VIDEO RECORDING PREVENTION SYSTEM
- 专利标题(中): 视频录像预防系统
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申请号: US12452308申请日: 2008-02-19
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公开(公告)号: US20100104260A1公开(公告)日: 2010-04-29
- 发明人: Youngshik Yoon , Pascal Bourdon , Laurent Blondé , Didier Doyen
- 申请人: Youngshik Yoon , Pascal Bourdon , Laurent Blondé , Didier Doyen
- 申请人地址: FR Boulogne-Billancourt
- 专利权人: THOMSON LICENSING
- 当前专利权人: THOMSON LICENSING
- 当前专利权人地址: FR Boulogne-Billancourt
- 优先权: EP07301147.0 20070625
- 国际申请: PCT/US2008/002145 WO 20080219
- 主分类号: H04N5/91
- IPC分类号: H04N5/91
摘要:
A projector has at least four primary color components controlled to produce a metameric effect image which is not perceptible to the human optical system and is perceptible to a video recording device.
公开/授权文献
- US08696135B2 Video recording prevention system 公开/授权日:2014-04-15
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