CCD Defect correction without defect location memory

Details CCD Defect correction without defect location memory CCD Defect correction without defect location memory

1982-11-24

1984-12-11

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358213, 360 381, H04N 514, H04N 314

Patent

active

044881789

ABSTRACT:
A TV camera comprises a pair of CCD imagers subject to defects. Defect detection is done by comparing signals from the imagers, thus saving the expense of a defect location memory and also detecting more kinds of defects than one would detect by just comparing one signal to a fixed reference. As a result, CCD imagers with defects can be used thus increasing production yield of such imagers.

REFERENCES:
patent: 3904818 (1975-09-01), Kovac
patent: 4167755 (1979-09-01), Nagumo
patent: 4189751 (1980-02-01), Nagumo
patent: 4193093 (1980-03-01), Clair

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