Optics: image projectors – Miscellaneous
Patent
1998-07-22
2000-07-04
Dowling, William
Optics: image projectors
Miscellaneous
353DIG3, 353 98, 353 82, G03B 2128
Patent
active
06082865&
ABSTRACT:
A projection type display device including an image pickup device is provided. A projection mirror of an OHP is made a half mirror 108, so that a picture having transmitted through the half mirror can be taken in by an image sensor 102.
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Dowling William
Robinson Eric J.
Semiconductor Energy Laboratory Co,. Ltd.
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