Smear reduction in solid state image pickup device camera

Details Smear reduction in solid state image pickup device camera Smear reduction in solid state image pickup device camera

1983-03-10

1986-04-08

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 313

Patent

active

045816514

ABSTRACT:
A charge-coupled device (CCD) camera with a smear reducer circuit is disclosed, which includes a CCD for generating a pickup signal, a memory for storing an extracted smear signal from the pickup signal and, a level selector circuit for cutting off a noise contained in the smear signal with level less than a predetermined level in the smear signals from the memory. The output of this level selector circuit is subtracted from the pickup signal to thereby obtain a pickup signal with the smear reduced as well as a noise component suppressed.

REFERENCES:
patent: 3940602 (1976-02-01), Lagnado
patent: 4040092 (1977-08-01), Carnes
patent: 4055836 (1977-10-01), Weimer
patent: 4278999 (1981-07-01), Ganguly
patent: 4485405 (1984-11-01), Bailey
patent: 4490744 (1984-12-01), Levine

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