| 摘要 |
PROBLEM TO BE SOLVED: To provide a reflection mirror for projection television which materializes uniformity of an image quality and is inexpensive by reducing the difference of double image widths between upper and lower parts of a screen in a back surface reflection mirror. SOLUTION: The plate thickness of a glass plate 1 of the reflection mirror 10A is changed in accordance with the incident angle of image light emitted from a CRT 7 provided with a projection lens 9 via a bracket 8 as an image production source. COPYRIGHT: (C)2008,JPO&INPIT
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