Automatic light adjustment device for camera

Details Automatic light adjustment device for camera Automatic light adjustment device for camera

1993-09-28

1995-01-10

Perkey, W. B.

354416, G03B 1505

Patent

active

053812085

ABSTRACT:
A proper light adjustment with respect to a main object can be performed even if a main object is present in divisional photometry regions in which there is a high reflectance object or divisional photometry regions in which there is, for example, a distant background view of a mountain.
The apparatus according to the present invention includes a photometer device 13 which divides light reflected by an object into a plurality of regions so as to receive light, a focal point adjustment mode setting switch 41 for transmitting focal point adjustment mode information of an automatic focal point adjustment device and a control circuit 31 for calculating a proportion of contribution of a plurality of photometric outputs a transmitted from the photometer device 13 to light adjustment in accordance with an output from the focal point adjustment mode setting switch 41 so that light to be emitted from a flashing device 11 is controlled in accordance with the thus calculated proportion.

REFERENCES:
patent: 4774401 (1988-09-01), Yamada et al.
patent: 5111231 (1992-05-01), Tokunaga
patent: 5164759 (1992-11-01), Yasukawa
patent: 5168300 (1992-12-01), Yaskuawa
patent: 5172157 (1992-12-01), Takagi

Affiliated with

Also associated with

Rating

Automatic light adjustment device for 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 Automatic light adjustment device for camera, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic light adjustment device for camera will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-854523