Camera and distance measuring method thereof

Details Camera and distance measuring method thereof Camera and distance measuring method thereof

2005-05-17

2005-05-17

Perkey, W. B. (Department: 2851)

Photography

With exposure objective focusing means, focusing aid, or...

Processing circuit

C348S349000

Reexamination Certificate

active

06895181

ABSTRACT:
The present invention provides a camera where a focusing position of a taking lens is adjusted as a first focus adjustment by a CPU, and as a second focus adjustment lower in accuracy but higher at a speed than the first focus adjustment. An object image is picked up through the taking lens by an imager, and an output signal of the imager is converted into image data. A compressibility of the image data obtained at the imager is set by an image processing section, and the image data is compressed in accordance with the set compressibility. Then, in accordance with the compressibility set by the image processing section, the CPU decides which of the first focus adjustment and the second focus adjustment is used to execute a final focus adjustment operation of the taking lens.

REFERENCES:
patent: 5597999 (1997-01-01), Kinba et al.
patent: 6763187 (2004-07-01), Shiraishi
patent: 6826363 (2004-11-01), Taka
patent: 2000-201287 (2000-07-01), None
patent: 3115912 (2000-09-01), None
patent: 2001-141985 (2001-05-01), None
patent: 2001-249267 (2001-09-01), None
patent: 2001-255456 (2001-09-01), None

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