Solid-state image pickup device for producing color-separated vi

Details Solid-state image pickup device for producing color-separated vi Solid-state image pickup device for producing color-separated vi

1985-01-23

1987-07-21

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 41, 250226, H04N 907, H04N 904, G01J 350, H01J 516

Patent

active

046822127

ABSTRACT:
An imaging apparatus includes a solid-state image pickup device having an array of photosensitive cells formed in a photoconductive layer on a semiconductor substrate, an optical system for focusing an image of an object on the cell array, an optical shutter for introducing light incident to the optical system to the cell array for a desired exposure time period, a read circuit for sequentially reading out video signals from the photosensitive cells, a storage unit for temporarily storing the video signals read out by the read circuit, an operational unit for reading out the stored picture element signals from the storage unit to form color-separated component video signals, and a control unit for controlling the read circuit, the storage unit, and the operational unit in response to the shutter. The control unit causes the read circuit to read out a field of picture element signals from the cells at each of three time points included in a time period continuing from the initiation of the exposure time period to the end of an afterimage rise-time of the solid-state image pickup device. The operational unit forms three color-separated component video signals from the three fields of picture element signals stored in the storage unit.

REFERENCES:
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patent: 4085421 (1978-04-01), Gilmour
patent: 4404586 (1983-09-01), Tabei
patent: 4419696 (1983-12-01), Hamano et al.
patent: 4438455 (1984-03-01), Tabei
patent: 4443813 (1984-04-01), Tabei
patent: 4520381 (1985-05-01), Moriguchi et al.
patent: 4533940 (1985-08-01), Chappell et al.
patent: 4613895 (1986-09-01), Burkey et al.

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