Motor drive device in a camera

Details Motor drive device in a camera Motor drive device in a camera

1978-11-02

1980-02-05

Miller, Jr., George H.

354238, 354268, G03B 100, G03B 964

Patent

active

041870174

ABSTRACT:
In a motor drive device capable of being coupled to a camera having an automatic exposure control circuit for determining the aperture value and/or the shutter speed during exposure in accordance with the brightness of an object to be photographed, there is provided a delay circuit adapted to start operating upon closing of a main switch for the automatic exposure control circuit and generate a stability signal after the lapse of the time required for the control circuit to become stable in condition after being supplied with power, and means for operating the control circuit upon reception of both the stability signal and a photography signal supplied from a second switch.

REFERENCES:
patent: 3186319 (1965-01-01), Hochstein
patent: 3656420 (1972-04-01), Aizawa et al.
patent: 3820141 (1974-06-01), Aizawa et al.
patent: 3852779 (1974-12-01), Yamamichi et al.
patent: 3896459 (1972-07-01), Ogawa et al.

Affiliated with

Also associated with

Rating

Motor drive device in 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 Motor drive device in a camera, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Motor drive device in a camera will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2178363