Solid state imaging device

Details Solid state imaging device Solid state imaging device

1985-01-16

1986-03-18

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 312

Patent

active

045772304

ABSTRACT:
A solid state imaging device is disclosed in which photodiodes are arranged regularly in horizontal and vertical directions and generate signal charges in response to incident light, the signal charge thus obtained and smear charges stored on vertical signal lines are alternately and separately transferred to an output end by a horizontal charge transfer device, each of the smear charges is converted at the output end into a first voltage, the resultant charge of a signal charge following the above smear charge and another kind of smear charge is converted at the output end into a second voltage, a reset operation for the smear charge and resultant charge held at the output end is performed at an interval twice as long as the repetition period of a transfer pulse applied to the horizontal charge transfer device, and at least one of the first and second voltages is attenuated or amplified so that a difference between the first and second voltages thus processed provides an image signal in which any smear component is not present and reset noise is greatly reduced.

REFERENCES:
patent: 4010319 (1977-03-01), Levine
patent: 4067046 (1978-01-01), Nakatani et al.
patent: 4240116 (1980-12-01), Tomlinson, Jr.
patent: 4336557 (1982-06-01), Koch
patent: 4510528 (1985-04-01), Bergen

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