Image pick up apparatus

Details Image pick up apparatus Image pick up apparatus

1992-01-28

1994-03-29

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358483, 328165, 348250, H04N 104, H04N 314, H04N 5335

Patent

active

052990320

ABSTRACT:
An image pick up apparatus according to this invention comprises an imaging device for outputting video signals by driving a solid-state imaging element on the basis of a plurality of driving pulses, a noise synthesizer for synthesizing noise components contained in the plurality of driving pulses, and a subtracter for subtracting output signals of the noise synthesizer from the video signals. Signals synthesized with the noise components contained in the driving pulses for driving the solid-state imaging element are subtracted from the video signals transmitted from the imaging device, thereby removing the noise components of the video signals.

REFERENCES:
patent: 4511804 (1985-04-01), Ozawa
patent: 4683580 (1987-07-01), Matsunaga
patent: 4733097 (1988-03-01), Iwabuchi et al.
patent: 4845382 (1989-07-01), Eouzan et al.
patent: 5172249 (1992-12-01), Hashimoto
IBM Technical Disclosure Bulletin vol. 16, No. 4, Sep. 1973, New York, US pp. 1099-1100 Chai et al `Noise Compensation for Charge-Coupled Devices`.
Electronics International vol. 48, No. 17, Aug. 21, 1975, New York US p. 9E `Image Sensor has High Contrast Range`.

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