Patent
1991-02-26
1992-06-23
Hix, L. T.
354187, 35419512, G03B 1300
Patent
active
051247372
ABSTRACT:
A device for controlling a stop position of a movable member includes a movable member movable as far as a specified stop position, drive means for moving the movable member, detection means for detecting that the movable member reaches the specified stop position, timer means for setting a specified time, and control means responsive to detection means for suspending the drive means when the movable member reaches the specified stop position, setting the timer means, then allowing the drive means to drive again until the set time elapses. Also, a device for controlling a lens position of a camera includes a lens setable at one of a projected state and a retracted state, change means for changing the lens from the projected state to the retracted state and vice versa, detection means for detecting that a loaded film is wound by the tail portion, discrimination means for discriminating whether the lens is set in the projected state, rewinding means at least responsive to the detection means for rewinding the wound film when the loaded film is wound by the tail portion, and control means responsive to the detection means, the discrimination means, and the rewinding means for controlling the change means so as to return the lens to the retracted state.
REFERENCES:
patent: 4412164 (1983-10-01), Ohnuma
patent: 4714363 (1987-12-01), Minowa
patent: 4728977 (1988-03-01), Yomogizawa et al.
patent: 4806961 (1989-02-01), Kamitani et al.
patent: 4814813 (1989-03-01), Yamamoto et al.
patent: 5008605 (1991-04-01), Ohara et al.
Article entitled "Camera Test" from Japanese Magazine entitled Shashin Kogyo (Photography Industry), pp. 74-89, Feb. 1987.
Hata Yoshiaki
Inoue Manabu
Nakamura Ikushi
Okada Hiroyuki
Gray David M.
Hix L. T,.
Minolta Camera Kabushiki Kaisha
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