Patent
1990-07-26
1992-05-12
Adams, Russell E.
354402, G03B 1336
Patent
active
051132095
ABSTRACT:
A device is so constructed as to highly accurately detect the photographic distance or the image magnification data by correcting output data of a position detecting means based on the amount of difference between the basic positions of the position detecting means and a focus detecting means. A photographic lens is attached to the device for detecting the photographic distance and the image magnification, which issues data for correcting the output data of the position detecting means.
REFERENCES:
patent: 4348089 (1982-09-01), Shenk
patent: 4537487 (1985-08-01), Taniguchi et al.
patent: 4650309 (1987-03-01), Ishida et al.
patent: 4743931 (1988-05-01), Matsuzaki et al.
patent: 4743931 (1988-05-01), Matsuzaki et al.
patent: 4772912 (1988-09-01), Ishida et al.
Tsuji Kenji
Ueyama Masayuki
Adams Russell E.
Minolta Camera Kabushiki Kaisha
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