Camera with automatic focusing device

Details Camera with automatic focusing device Camera with automatic focusing device

2006-10-03

2006-10-03

Perkey, W. B. (Department: 2851)

Photography

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

Processing circuit

Reexamination Certificate

active

07116903

ABSTRACT:
An automatic focusing device for camera is provided which makes it possible to sequentially photograph a large number of frames while ensuring a high focusing accuracy. A first focusing unit carries out a first focusing operation. After the first focusing unit carries out the first focusing operation, a second focusing unit carries out a second focusing operation. A storage device stores a difference in results obtained by the first and second focusing operations. In sequential shooting, a controller causes the first focusing unit to correct the result of the first focusing operation according to the stored difference, and inhibits the second focusing unit from carrying out the second focusing operation.

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patent: 6763187 (2004-07-01), Shiraishi
patent: 6826363 (2004-11-01), Taka
patent: 2003/0189662 (2003-10-01), Matsuda

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