Field decision circuit for providing error free odd/even field i

Details Field decision circuit for providing error free odd/even field i Field decision circuit for providing error free odd/even field i

1991-09-27

1993-09-21

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358148, 358150, 358160, H04N 510

Patent

active

052473597

ABSTRACT:
Field information for a predetermined number of fields produced by another field judgment circuit is stored in a first memory. The output of the field decision circuit which is indicative of the field information for the predetermined number of fields is stored in a second memory. The contents of the first memory are compared with those of the second memory. When the contents of the first memory disagree with the contents of the second memory for all of the predetermined number of fields, the field information is output as the field information from the field decision circuit.

REFERENCES:
patent: 4246610 (1981-01-01), Takahashi
patent: 4403253 (1983-09-01), Morris et al.
patent: 4701793 (1987-10-01), den Hollander et al.
patent: 4792853 (1988-12-01), Yamagishi et al.
patent: 5025496 (1991-06-01), Canfield
patent: 5057928 (1991-10-01), Nagashima et al.
Foreign Search Report.
Translated Abstract of Japanese Appln. No. 63-246980.
Translated Abstract of Japanese Appln. No. 63-272177.

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