1989-01-17
1990-06-26
Adams, Russell E.
354431, G03B 708
Patent
active
049376101
ABSTRACT:
An exposure control device for a camera comprising; first means for measuring light from a central area of an object field, said first measuring means including a plurality of means for receiving light from different portions within the central area, respectively; second means for measuring light from a surrounding area other than the central area, the surrounding area being greater than each portion within the central area; means for selecting between a first exposure control mode and a second exposure control mode; and means for controlling exposure in accordance with one of said plurality of receiving means in said first exposure control mode, and in accordance with all of said plurality of receiving means and said second measuring means in said second exposure control mode.
REFERENCES:
patent: 4306787 (1981-12-01), Fukuhara et al.
patent: 4412730 (1983-11-01), Saegusa et al.
patent: 4448506 (1984-05-01), Saegusa et al.
patent: 4455071 (1984-06-01), Kato et al.
patent: 4456354 (1984-06-01), Mizokami
patent: 4527881 (1985-07-01), Sugawara
patent: 4566775 (1986-01-01), Tsunekawa
patent: 4636054 (1987-01-01), Saegusa
patent: 4690536 (1987-09-01), Nakai et al.
patent: 4693581 (1987-09-01), Yamaki et al.
patent: 4821074 (1989-04-01), Nakai et al.
Dan O'Neill, "Olympus OM-PC: The Camera with ESP", Photographic, pp. 45-48, (Nov. 1985).
"Olympus OM-PC: Multi-pattern Exposure Correction in a Moderately Priced 35 mm SLR", pp. 50-56, (Apr. 1986).
Fujino Akihiko
Izumi Shuji
Mukai Hiromu
Nakai Masaaki
Taniguchi Nobuyuki
Adams Russell E.
Minolta Camera Kabushiki Kaisha
LandOfFree
Exposure control device for a camera does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Exposure control device for a camera, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exposure control device for a camera will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1128396