Apparatus and method for delaying the retraction of an extendibl

Details Apparatus and method for delaying the retraction of an extendibl Apparatus and method for delaying the retraction of an extendibl

1996-08-05

1997-09-02

Gray, David M.

Photography

With exposure objective focusing means, focusing aid, or...

Auto/manual mode selection

396349, G03B 1300

Patent

active

056642407

ABSTRACT:
Apparatus for delaying a camera extendible lens from being automatically withdrawn into the camera body by the camera lens driver when the camera mode setting switch is set to or through a camera OFF setting includes control structure for (i) determining that the camera mode setting switch has been set to the camera OFF setting, (ii) causing a predetermined time to be counted after it has been determined that the camera mode setting switch has been set to the camera OFF setting, (iii) again determining that the camera mode setting switch has been set to the camera OFF setting after the predetermined time has finished being counted, and (iv) causing the camera lens driver to withdraw the lens into the camera body only if it has been again determined that the camera mode setting switch has been set to the camera OFF setting. Preferably, this prevents the extendible lens from being automatically withdrawn into the camera body every time the mode setting switch is turned through the OFF setting.

REFERENCES:
patent: 4429974 (1984-02-01), Suzuki
patent: 4629305 (1986-12-01), Sato et al.
patent: 5124737 (1992-06-01), Inoue et al.
patent: 5241334 (1993-08-01), Kobayashi et al.
patent: 5258805 (1993-11-01), Aoki et al.
patent: 5376985 (1994-12-01), Saito et al.

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