发明名称 |
Screen for front laser projection |
摘要 |
In a holographic screen for laser front projection, of at least one or more laser wavelengths that selectively back-scatter the incident spectrally narrow-band laser radiation in a predetermined solid angle and simultaneously highly absorbs the disturbing spectrally broad-band ambient light, it is proposed that it have at least one holographic volume grating that is optically coupled to a light absorber.
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申请公布号 |
US6392766(B1) |
申请公布日期 |
2002.05.21 |
申请号 |
US19990341273 |
申请日期 |
1999.09.02 |
申请人 |
DAIMLERCHRYSLER AG;HSM HOLOGRAPHIC SYSTEMS MUENCHEN GMBH |
发明人 |
GNAEDIG KLAUS;DAUSMANN GUENTHER;HALLDORSSON THORSTEIN |
分类号 |
G02B5/32;G03B21/60;H04N5/74;(IPC1-7):G02B5/32 |
主分类号 |
G02B5/32 |
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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