Smear reduction in CCD imagers

Details Smear reduction in CCD imagers Smear reduction in CCD imagers

1975-11-20

1977-03-01

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

357 24, H04N 538, H01L 2978

Patent

active

040103196

ABSTRACT:
Radiation illuminating the A register of a charge-coupled device (CCD) imager of the field transfer type during the transfer of a field from the A to the B register results in smear in the reproduced image. The smear charge signals are sensed during one line time of a field and stored, and the stored signals are employed to cancel the effects of the smear charge signals of the other lines of a field.

REFERENCES:
patent: 3801884 (1974-04-01), Sequin
patent: 3856989 (1974-12-01), Weimer
patent: 3904818 (1975-09-01), Kovac
patent: 3931463 (1976-01-01), Levine
patent: 3937874 (1976-02-01), Carbone
patent: 3946151 (1976-03-01), Kamiyama et al.

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