1992-04-30
1994-07-19
Gray, David M.
354453, G03B 708
Patent
active
053313666
ABSTRACT:
A camera has a first photographing mode for also performing a second photographing operation at a focusing-lens position of a first photographing operation, a second photographing mode for performing autofocusing for every photographing operation, and diaphragm controller for controlling the amount of an aperture of a diaphragm. The diaphragm controller maintains the diaphragm in a state at the first photographing operation when the first photographing mode is selected, and returns the diaphragm to a predetermined position for every photographing operation when the second photographing mode is selected.
REFERENCES:
patent: 3842587 (1974-10-01), Strauss et al.
patent: 4657368 (1987-04-01), Kawamura
patent: 4734727 (1988-03-01), Takemae
patent: 4812870 (1989-03-01), Kawamura
patent: 4941010 (1990-07-01), Aihara et al.
patent: 4999655 (1991-03-01), Fukahori et al.
patent: 5140358 (1992-08-01), Tokunaga et al.
Suzuki Masayuki
Tokunaga Tatsuyuki
Canon Kabushiki Kaisha
Gray David M.
LandOfFree
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.
Profile ID: LFUS-PAI-O-523670