发明名称 |
PROJECTION TYPE DISPLAY APPARATUS |
摘要 |
OF THE DISCLOSURE An adjusting pattern is formed on a cathode-ray tube and this pattern is projected through a projection lens onto a photodetector installed on a screen frame. Based on the output of the photodetector that detects the projected image of the adjusting pattern, the characteristics of the cathode-ray tube are automatically adjusted with the adjusting pattern being adjusted to the optimum level.
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申请公布号 |
CA2086893(A1) |
申请公布日期 |
1993.07.15 |
申请号 |
CA19932086893 |
申请日期 |
1993.01.07 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
TSUKAGOSHI, KAZUO;USUI, MASAHIRO;MORIKAWA, HIROKI |
分类号 |
G03B21/00;G09G1/00;G09G1/28;H04N5/74;H04N9/31;H04N17/04;(IPC1-7):G09G1/00 |
主分类号 |
G03B21/00 |
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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