Exposure control apparatus including general purpose lag compens

Details Exposure control apparatus including general purpose lag compens Exposure control apparatus including general purpose lag compens

1978-02-21

1979-07-03

Hix, L. T.

354 34, 354 51, G03B 708, G03B 1505

Patent

active

041598709

ABSTRACT:
An exposure control circuit of the type adapted to produce an exposure termination signal after a time interval related to a time integral of light intensity includes general purpose lag compensation responsive to the absolute change in light intensity from the beginning to the end of exposure measurement for adjusting the time interval, whereby lag compensation is provided in ambient, flash, or fill-flash modes without the need for external mode switches.

REFERENCES:
patent: 3200723 (1965-08-01), Topaz
patent: 3519879 (1970-07-01), Ogawa
patent: 3896337 (1975-07-01), Decker
patent: 3984848 (1976-10-01), Akiyama et al.
patent: 4008481 (1977-02-01), Whiteside
patent: 4019092 (1977-04-01), Stiller
patent: 4033682 (1977-05-01), Nakamura et al.
patent: 4034383 (1977-07-01), Mashimo et al.
patent: 4057811 (1977-11-01), Harrison
patent: 4058818 (1977-11-01), Johnson et al.
patent: 4072964 (1978-02-01), Pope et al.

Affiliated with

Also associated with

Rating

Exposure control apparatus including general purpose lag compens 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 apparatus including general purpose lag compens, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exposure control apparatus including general purpose lag compens will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2273745