Electronic camera that sets an upper limit of an exposure...

Details Electronic camera that sets an upper limit of an exposure... Electronic camera that sets an upper limit of an exposure...

2007-09-25

2007-09-25

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S241000, C348S244000

Reexamination Certificate

active

10351548

ABSTRACT:
An electronic camera according to the present invention includes: an image-capturing element that outputs image-capturing signals; a shutter device that allows subject light pass through to the image-capturing element or shields the image-capturing element from the subject light; an image-capturing circuit that engages the image-capturing element in an image-capturing operations over a predetermined length of time to output to a first image-capturing signal while the subject light is allowed to pass through to the image-capturing element and also engages the image-capturing element in an image-capturing operation over a predetermined length of time while the image-capturing element is shielded from the subject light; a signal correction circuit that executes a signal correction by subtracting the second image-capturing signal from the first image-capturing signal; and a control circuit that controls the image-capturing circuit so as to set an upper limit to the length of the image-capturing operation executed while the image-capturing element is shielded from the subject light.

REFERENCES:
patent: 5729288 (1998-03-01), Saito
patent: 6798456 (2004-09-01), Sato
patent: 2002/0012053 (2002-01-01), Yoshida
patent: 2000-125204 (2000-04-01), None

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