Digital camera and method of controlling the same

Details Digital camera and method of controlling the same Digital camera and method of controlling the same

2007-01-16

2007-01-16

Ometz, David (Department: 2622)

Television

Camera, system and detail

Optics

C348S370000

Reexamination Certificate

active

09736208

ABSTRACT:
The present invention is directed to obtaining an image having predetermined brightness, while making the degradation of the image as little as possible. A distance (an irradiation distance d) at which a predetermined amount of reflected light can be obtained is obtained from the guide number Gn of a strobe and the f-stop value F (the focal distance f of a zoom lens). When the strobe is used, it is judged whether or not a subject is positioned within the irradiation distance d. When the irradiation distance d of the strobe is shorter than the distance to the subject, that is, the subject is beyond the irradiation distance d of the strobe, an imaging signal is amplified than usual.

REFERENCES:
patent: 6097430 (2000-08-01), Komiya et al.
patent: 6757013 (2004-06-01), Matsuzaka
patent: 2003/0133021 (2003-07-01), Hamamura et al.
patent: 64-61175 (1989-03-01), None
patent: 3-98034 (1991-04-01), None
patent: 3-126383 (1991-05-01), None

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