Lens unit and digital camera

Details Lens unit and digital camera Lens unit and digital camera

2007-02-07

2010-11-16

Perkey, W. B. (Department: 2862)

Photography

Camera detail

Lens mount

C396S439000, C396S531000, C348S222100

Reexamination Certificate

active

07832951

ABSTRACT:
A digital still camera includes a camera main unit and a lens unit or lens assembly. The camera main unit has an image processor for image processing of an image being formed by image pickup. A frame memory stores the image during image processing. The lens unit is secured to the camera main unit removably, and has an image sensor for forming the image by detecting object light passed through a photographing lens. A subsidiary image memory has a storage capacity according to a pixel number of the image sensor, for storing the image in a temporary manner in addition to the frame memory, to shorten image processing time. In one embodiment, at least one of the frame memory and the subsidiary image memory is caused to store luminance component data and chrominance component data of the image obtained according to an image signal thereof.

REFERENCES:
patent: 4750212 (1988-06-01), Yokomizo
patent: 5524071 (1996-06-01), Yokomizo
patent: 5790193 (1998-08-01), Ohmori
patent: 6327001 (2001-12-01), Yamagishi
patent: 6614945 (2003-09-01), Takaoka
patent: 2004/0090538 (2004-05-01), Kadohara
patent: 2005/0219404 (2005-10-01), Kobayashi
patent: 1-177737 (1989-12-01), None

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