Camera, lens apparatus, and camera system

Details Camera, lens apparatus, and camera system Camera, lens apparatus, and camera system

2006-02-21

2006-02-21

Perkey, W. B. (Department: 2851)

Photography

Having variable focal length of camera objective

Having focus operation

C396S135000

Reexamination Certificate

active

07003222

ABSTRACT:
A camera which maintains accuracy of stop position in accordance with the state of an image-taking optical system and allows driving of a focus lens to a target position in a short time period, is disclosed. The camera comprises a motor which drives the focusing lens, and a controller which controls the motor such that the focusing lens is stopped at the target position by performing deceleration control in accordance with a predetermined deceleration control pattern. The controller changes the deceleration control pattern in accordance with the state of the image-taking optical system detected by the state detector.

REFERENCES:
patent: 5206677 (1993-04-01), Onuki et al.
patent: 5933661 (1999-08-01), Kawanami
patent: 5-333257 (1993-12-01), None
patent: 7-77648 (1995-03-01), None

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