Field-transfer CCD imagers with reference-black-level generation

Details Field-transfer CCD imagers with reference-black-level generation Field-transfer CCD imagers with reference-black-level generation

1982-05-27

1985-02-05

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358221, 377 62, H04N 314

Patent

active

044981058

ABSTRACT:
CCD imagers of the field transfer type have field storage registers, with parallel charge transfer channels connected in cascade after respective ones of parallel charge transfer channels in their image registers. Further charge transfer channels are included in the field storage registers for use in generating reference-black-level samples.

REFERENCES:
patent: 3806729 (1974-04-01), Caywood
patent: 3814849 (1974-06-01), Bucher et al.
patent: 3814955 (1974-06-01), Itoh et al.
patent: 3819953 (1974-06-01), Puckette et al.
patent: 3819954 (1974-06-01), Butler et al.
patent: 3963942 (1976-06-01), Sequin et al.
patent: 4032976 (1977-06-01), Levine
patent: 4232331 (1980-11-01), Motoyama et al.
patent: 4293877 (1981-10-01), Tsunekawa et al.
Concurrently filed patent application of Peter Alan Levine, Atty. Docket No. 78,206, entitled Compensation Against Field Shading in Video From Field-Transfer CCD Imagers.
"Virtual-Phase Structure Simplifies Clocking for CCD Image Sensor", E. F. Rybaczewski, Electronics, 21 Apr. 1982, pp. 141-144.

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