Signal regeneration processor with function of dropout correctio

Details Signal regeneration processor with function of dropout correctio Signal regeneration processor with function of dropout correctio

1988-12-20

1990-08-28

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 594

Patent

active

049530348

ABSTRACT:
A signal regeneration processor which carries out dropout correction for a signal by replacing a prescribed number of low-order bits of a signal obtained by delaying a digitized regenerated signal by a prescribed length of time, with a prescribed code in accordance with a dropout detection signal, and then by writing the signal in a signal processing memory according to the prescribed code contained in the data read from the memory. Since it is possible to confirm in advance the occurrence of a dropout on the reading side of the memory and to carry out dropout correction by address manipulation of the memory, a line memory for replacing a video data at the time of dropout correction can be eliminated.

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patent: 4670881 (1987-06-01), Imoto
patent: 4675754 (1987-06-01), Endo et al.
patent: 4680763 (1987-07-01), Suma et al.
patent: 4796243 (1989-01-01), Kato
patent: 4812925 (1989-03-01), Opelt

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