Image-taking apparatus and control method thereof

Details Image-taking apparatus and control method thereof Image-taking apparatus and control method thereof

2006-05-31

2010-02-23

Koval, Melissa J (Department: 2862)

Photography

Single lens reflex camera

With mirror support or drive

C348S341000, C348S344000

Reexamination Certificate

active

07665912

ABSTRACT:
An image-taking apparatus is disclosed which comprises an image-pickup device, an image processing unit, a display unit, a focus detection unit which detects a focus state of the image-taking lens, and an optical path splitting unit which is switchable between a first state in which it is disposed in an optical path from the image-taking lens and a second state in which it is retracted from the optical path. The optical path splitting unit transmits part of the light from the image-taking lens toward the image-pickup device and reflects the remaining part of the light toward the focus detection unit in the first state. A control unit performs focus control based on the detection result of the focus detection unit. The control unit performs the focus control in the first state such that an image-forming position matches a light-receiving surface of the image-pickup device in the second state.

REFERENCES:
patent: 2001/0019362 (2001-09-01), Nakamura et al.
patent: 2003/0050533 (2003-03-01), Minami
patent: 2004/0155976 (2004-08-01), Suda
patent: 2005/0219401 (2005-10-01), Oikawa

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