发明名称 |
Automatic transparency masking |
摘要 |
A method for viewing transparencies comprising backlighting a transparency with polarized light and viewing the transparency through a polarizer. Preferably, the polarization axis of the backlighting and the polarization axis of the polarizer are oriented at about 90 degrees to each other. The transparency is oriented so that a substantial amount of polarized backlighting passes through the transparency and the polarizer. Also disclosed are apparatus for viewing a transparency using polarized backlighting. |
申请公布号 |
AU5763896(A) |
申请公布日期 |
1996.11.21 |
申请号 |
AU19960057638 |
申请日期 |
1996.05.02 |
申请人 |
SMARTLIGHT LIMITED |
发明人 |
DAN INBAR;GIORA TELTSCH;HANAN WOLF;ERAN SHAFFIR |
分类号 |
G02F1/13;G02B27/02;G02B27/28 |
主分类号 |
G02F1/13 |
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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