Automatic focusing apparatus in which sensor signals are amplifi

Details Automatic focusing apparatus in which sensor signals are amplifi Automatic focusing apparatus in which sensor signals are amplifi

1991-09-23

1992-06-30

Perkey, W. B.

354408, 3541731, G03B 300

Patent

active

051267772

ABSTRACT:
An automatic focusing apparatus for a camera for performing focus detection on the basis of image signals accumulated by an accumulation type sensor unit. At the time of image signal reading, the sensor signals are amplified with different gains in a continuous photographing state and in a single-shot state, thereby improving continuous photographing characteristics.

REFERENCES:
patent: 4329577 (1982-05-01), Asano et al.
patent: 4460261 (1984-07-01), Eguchi et al.
patent: 4701626 (1987-10-01), Ishizaki et al.
patent: 4723139 (1988-02-01), Ogasawara
patent: 4831403 (1989-05-01), Ishida et al.

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