CID image sensor with a preamplifier for each sensing array row

Details CID image sensor with a preamplifier for each sensing array row CID image sensor with a preamplifier for each sensing array row

1986-06-11

1987-08-25

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821329, H04N 314

Patent

active

046896880

ABSTRACT:
A charge injection device image sensor, having increased sensitivity and dynamic range, uses a two dimensional array of cells having m rows each with n cells arranged in n columns. Peripheral electronics first reset all cells along each of the columns, then sequentially scan each column to generate a row voltage signal before advancing to the next sequential row and repetitively scanning across the cells until all array cells have been raster scanned. A voltage preamplifier is connected to each associated row to amplify the video signal only when the cells along that row are being scanned, and reduces the total capacitance of the row-selection electronics.

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patent: 4471227 (1984-09-01), d'Ascenzo
patent: 4612578 (1986-09-01), Breithaupt

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