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Patent Searching and Data


Title:
FILM FEEDER
Document Type and Number:
Japanese Patent JPH09101559
Kind Code:
A
Abstract:

To provide a film feeder operated by the method of detecting 'the end of a film' with the detection of the final frame of the film.

In the camera using the film having two perforations in a photographic frame, the film feeder is constituted to provide detecting means 15, 17 and 18 for detecting the passage of the first perforation, to detect the feeding speed of the film, setting means 20 and 32 for setting a fixed limit value (limiter time), in accordance with the feeding speed and a film end deciding means 20 deciding that the nondetection of the passage of the second perforation expected to be within the limit value after being set, at the time of executing 'the take-up of the film' is 'the end of the film' and execute a film feeding operation, in accordance with a prescribed 'film (a frame) take-up' processing procedure and further, a film rewinding operation, when the film ends.


Inventors:
OKUMURA YOICHIRO
Application Number:
JP25999295A
Publication Date:
April 15, 1997
Filing Date:
October 06, 1995
Export Citation:
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Assignee:
OLYMPUS OPTICAL CO
International Classes:
G03B1/18; G03B1/22; G03B17/00; G03B17/24; G03B1/00; (IPC1-7): G03B17/00; G03B1/00; G03B1/22; G03B17/24
Attorney, Agent or Firm:
Takehiko Suzue