Method and apparatus for converting image into electrical signal

Details Method and apparatus for converting image into electrical signal Method and apparatus for converting image into electrical signal

Filed on

1987-12-23

Date issued

1988-12-13

Examiner

Westin, Edward P.

Patent Class

Radiant energy

SubClass

Photocells; circuits and apparatus

SubSubClass

Optical or pre-photocell system

Other Related Categories

358166, 35821315, 35821327, G02F 129

Type

Patent

Status

active

Patent number

047913061

Description

ABSTRACT:
According to a method and apparatus for converting an image into electrical signals, a single image is exposed onto a plurality of solid-state image pickup devices a plurality of times each, and charges distributed in correspondence with images induced by the respective exposure cycles are shifted within the respective solid-state image pickup devices and are added to each other. In addition, the output signals generated by the solid-state image pickup devices and representing the identical pixels are subtracted from each other.

REFERENCES:
patent: 4053773 (1977-10-01), Deresh et al.
patent: 4446484 (1984-05-01), Powell
patent: 4447827 (1984-05-01), Alexandrescu et al.
patent: 4543601 (1985-09-01), Harada et al.
patent: 4618928 (1986-10-01), Honda et al.

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