Photography – Having photocell at specific position within camera – With color filter
Patent
1998-03-03
1999-11-02
Adams, Russell
Photography
Having photocell at specific position within camera
With color filter
396225, G03B 7094
Patent
active
059786060
ABSTRACT:
A photometric device is provided with a light receiving section including a diffusing member which has a spherical diffusing surface to diffuse incident light to provide a predetermined oblique incidence angle characteristics, and a plurality of light receiving units which each receive light diffused by the diffusing member, each of the light receiving units including a light receiving surface that is a symmetrical form with respect to an optical axis of the light receiving section. The oblique incidence angle characteristics in the latitudinal direction can be made regardless of or independently of an oblique incidence angle characteristics in the longitudinal direction.
REFERENCES:
patent: 3452658 (1969-07-01), Krull et al.
patent: 4041308 (1977-08-01), Fujita
patent: 4335943 (1982-06-01), Numata
patent: 4989982 (1991-02-01), Osaki et al.
patent: 5172146 (1992-12-01), Wooldridge
patent: 5406067 (1995-04-01), Keller
Adams Russell
Minolta Co. , Ltd.
LandOfFree
Photometric device and a light receiving section for use in a ph does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photometric device and a light receiving section for use in a ph, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photometric device and a light receiving section for use in a ph will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2147819