发明名称 |
Method for preventing photographing of programs by digital recording equipment in cinemas, involves using infrared light to reduce quality of recorded media |
摘要 |
<p>A method for preventing recording of official media, involves the use of long-wave light in the infrared (IR) region to signify and/or illuminate the representation surface and to protect the digital recording device. The use of IR light for superpositioning and dazzle protection of human vision.</p> |
申请公布号 |
DE102004013752(A1) |
申请公布日期 |
2005.10.06 |
申请号 |
DE20041013752 |
申请日期 |
2004.03.18 |
申请人 |
DITTMANN, SVEN |
发明人 |
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分类号 |
H04N5/232;H04N5/33;H04N5/913;(IPC1-7):H04N5/232 |
主分类号 |
H04N5/232 |
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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