Solid state image sensor

Details Solid state image sensor Solid state image sensor

1988-04-26

1989-06-13

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821315, 358163, 358167, 358225, H04N 314, H04N 5335, H01J 4014

Patent

active

048397296

ABSTRACT:
A solid state image sensor including a light receiving section having a number of light receiving cells arranged in matrix, and a reading and storing section having a first set of switching and memory transistors for reading bright signals read out of light receiving cells arranged in a row and storing the same for a horizontal scanning period, a second set of switching and memory transistors for reading dark signals out of light receiving cells arranged in a row and storing the same for a horizontal scanning period, and a set of reading transistors for reading the bright and dark signals simultaneously out of the first and second sets of memory transistors for respective pixels successively. The light receiving section and the reading and storing section are formed integrally in the same semiconductor substrate. In order to remove the fixed pattern noise, there is derived differences between the simultaneously readout bright and dark signals with the aid of a differential amplifier.

REFERENCES:
patent: 4529886 (1985-07-01), Yokoyama et al.
patent: 4589023 (1986-05-01), Suzuki et al.
patent: 4635120 (1987-01-01), Ichinio
patent: 4644403 (1987-02-01), Sakai et al.

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