Apparatus for driving CCD-sensor

Details Apparatus for driving CCD-sensor Apparatus for driving CCD-sensor

1983-11-23

1987-01-06

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

358213, H01J 4014, H09N 314

Patent

active

046348859

ABSTRACT:
An apparatus for driving a CCD-sensor used in a reader for facsimile. Charge storage time of the CCD-sensor is determined on the basis of detected quantity of light for illuminating a document to be read. The CCD-sensor is driven periodically at a time interval corresponding to the storage time thus determined so that an output signal resulting from the photoelectric conversion effected by the CCD-sensor may remain steady regardless of variations in the quantity of illuminating light.

REFERENCES:
patent: 3944816 (1976-03-01), Harada
patent: 4382267 (1983-05-01), Angle
patent: 4396950 (1983-08-01), Roth
patent: 4471228 (1984-09-01), Nishizawa et al.
patent: 4479062 (1984-10-01), Kawasaki et al.

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