1980-10-21
1983-01-11
Schreyer, Stafford D.
354 27, 354 33, 354139, 354149, G03B 7097, G03B 716
Patent
active
043679323
ABSTRACT:
An exposure control system includes a device for measuring an intensity of the ambient light, three controllers for controlling three factors of exposure time, aperture size and amount of flash light to be emitted, and a device for setting three pieces of information of film sensitivity and any two of the above mentioned three factors to govern the corresponding two of the three controllers. A calculator is provided for calculating the remaining factor. The calculated value is used for governing the remaining controller. Of the three pieces of information set in the setting device, two pieces can be introduced in a form of a ratio.
REFERENCES:
patent: 3836920 (1974-09-01), Uchiyama et al.
patent: 3868701 (1975-02-01), Kawasaki
patent: 4005444 (1977-01-01), Uchiyama et al.
patent: 4065776 (1977-12-01), Iwata et al.
patent: 4079389 (1978-03-01), Hashimoto et al.
patent: 4188104 (1980-02-01), Uchiyama et al.
Ishikawa Norio
Taniguchi Nobuyuki
Yuasa Yoshio
Minolta Camera Kabushiki Kaisha
Schreyer Stafford D.
LandOfFree
Exposure control system 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 system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exposure control system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-775985