Camera and method for bypassing fogged photographic film

Details Camera and method for bypassing fogged photographic film Camera and method for bypassing fogged photographic film

1993-02-17

1994-09-20

Hayes, Monroe H.

354212, 354217, 354218, G03B 118

Patent

active

053494067

ABSTRACT:
A method of bypassing film that is inadvertently fogged in a pre-wind camera includes detecting the opening of the camera back, storing the frame number corresponding to the opening of the camera back, determining which frames are fogged, and bypassing these fogged frames during the normal operation of the camera. A camera in accordance with the invention also can take into consideration the ambient light level, the film speed, and the length of time the door was open, and then select the appropriate number of frames to be advanced from a look-up table in order to bypass the fogged frames.

REFERENCES:
patent: 4281911 (1981-08-01), Engelsmann et al.
patent: 4362370 (1982-12-01), Iwata et al.
patent: 4455074 (1984-06-01), Wong et al.
patent: 4676621 (1987-06-01), Desormeaux
patent: 4687311 (1987-08-01), Desormeaux
patent: 4896180 (1990-01-01), Lawther
patent: 4982212 (1991-01-01), Alyfuku

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