Photography – Having photocell at specific position within camera – Having two or more mirrors
Patent
1997-04-14
1999-09-14
Perkey, W. B.
Photography
Having photocell at specific position within camera
Having two or more mirrors
396386, 396429, G03B 7099, G03B 1308, G03B 1748
Patent
active
059535466
ABSTRACT:
A camera divides a light beam having passed through a taking lens unit into two light beams. One light beam forms an image on a silver salt film. Another light beam forms an image on a CCD. A light path for said another light beam is provided with an aperture diaphragm. The taking lens unit has an aperture diaphragm. Said two aperture diaphragms are correlatively controlled by a controller incorporated in the camera.
REFERENCES:
patent: 4742369 (1988-05-01), Ishii et al.
patent: 5389984 (1995-02-01), Lovenheim
patent: 5459511 (1995-10-01), Uehara et al.
Nagata Hideki
Ohmori Shigeto
Okada Takashi
Minolta Co. , Ltd.
Perkey W. B.
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