Photoelectric transducer apparatus for focus detection

Details Photoelectric transducer apparatus for focus detection Photoelectric transducer apparatus for focus detection

1990-03-26

1991-07-02

Perkey, W. B.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

2502012, 35821319, G03B 1336, G02B 728, H04N 5335

Patent

active

050289489

ABSTRACT:
A photoelectric transducer apparatus detects whether a charge storing period of a photodiode array in a CCD image sensor is more or less than a given period by means of a monitor circuit and controls a charge storing period by switching a charge storage capacity of the photodiode array in response to an output of the monitor circuit so as to increase when an object being photographed is bright, for example, and hence the charge storing period is less than the given value.

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patent: 4618235 (1986-10-01), Ishida et al.
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patent: 4636624 (1987-01-01), Ishida et al.
patent: 4677306 (1987-06-01), Yamano
patent: 4701626 (1987-10-01), Ishizaki et al.
patent: 4870441 (1981-09-01), Yamasaki

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