Camera

Details Camera Camera

1996-06-06

1997-09-02

Perkey, W. B.

Photography

Exposure control circuit

Shutter speed function only

396257, 396374, 396429, 348 64, 348296, 348333, 348340, 348363, G03B 700, G03B 1302, H04N 5232

Patent

active

056642431

ABSTRACT:
A camera divides a light beam having passed through a taking lens unit into two light beams. One light beam forms an image on a silver salt film. Another light beam forms an image on a CCD. A light path for said another light beam is provided with an aperture diaphragm. The taking lens unit has an aperture diaphragm. Said two aperture diaphragms are correlatively controlled by a controller incorporated in the camera.

REFERENCES:
patent: 4855837 (1989-08-01), Tanimoto
patent: 5459511 (1995-10-01), Uehara et al.
patent: 5486893 (1996-01-01), Takagi
patent: 5557358 (1996-09-01), Mukai et al.
patent: 5587766 (1996-12-01), Kawamura et al.
patent: 5589880 (1996-12-01), Tsukui
"Nikon Digital Still Camera E2", Photographic Industries, Dec., 1994, vol. 52, No. 12, pp. 13-15.
"Zenza-Bronica Camphoto VX3000", Photographic Industries, Jun., 1994, vol. 52, No. 6, pp. 12-15.

Affiliated with

Also associated with

Rating

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 Camera, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Camera will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-317830