发明名称 |
Dark room safe light filter assembly for a TV set |
摘要 |
A darkroom safelight filter assembly for a TV set comprises a filter screen tinted to exclude damaging light rays for photographic materials, having a bracket thereon mounting a block of sponge rubber supported on the top wall of the TV set. The filter screen depends from the bracket, is spaced from the TV screen and includes a continuous strip of resilient light sealing sponge rubber of rectangular shape for snug sealing registry with the TV casing surrounding the TV screen.
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申请公布号 |
US4652085(A) |
申请公布日期 |
1987.03.24 |
申请号 |
US19860848637 |
申请日期 |
1986.04.07 |
申请人 |
SELLING, HARLEY M.;LEVIN, BERNARD M. |
发明人 |
SELLING, HARLEY M.;LEVIN, BERNARD M. |
分类号 |
H01J29/89;H04N5/65;(IPC1-7):G02B5/22;G02B7/00;F21V9/00 |
主分类号 |
H01J29/89 |
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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