Intelligent scan image sensor

Details Intelligent scan image sensor Intelligent scan image sensor

1988-06-30

1990-07-17

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358209, H04N 314

Patent

active

049424734

ABSTRACT:
An intelligent scan image sensor including a two-dimensional solid-state array of addressable imaging cells arranged for exposure to an image, where each cell includes a photosensitive diode and a sample and hold unit. The diode accumulates an electrical quantity having a value in relation to the image light intensity falling thereupon during successive integration periods and the sample and hold unit repeatedly samples and stores the accumulated quantities as analog video data values at the end of each of the successive integration periods.

REFERENCES:
patent: 2904629 (1959-09-01), Scherbatskoy
patent: 3002125 (1961-09-01), Stevens et al.
patent: 3429990 (1969-02-01), Hobrough
patent: 4041401 (1977-03-01), Presti
patent: 4625242 (1986-11-01), Baumberg

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