Image signal processing device

Details Image signal processing device Image signal processing device

1988-11-08

1989-09-05

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

3582611, H04N 1419, H04N 1413

Patent

active

048644145

ABSTRACT:
A signal processing device comprises buffer memory means for outputting a coded signal in parallel by a signal of predetermined bits, shifting means for shifting the coded signal so that the head bit of the coded signal become the head of the outputted signal, decoding memory means for decoding the coded signal to a run length signal having information of the run length of the coded signal, and outputting a shifting signal designating a bit number of the coded signal corresponding to the number to be shifted, into said shifting means. Accordingly, said signal processing device enables to decode a coded signal at a higher speed than a conventional image signal processing device and to output an image signal into an electrophotographic printer or a CRT display, synchronizing with a processing speed of the electrophotographic printer or a sub scanning speed of the CRT display.

REFERENCES:
patent: 4161757 (1979-07-01), Spencer et al.
patent: 4276544 (1981-06-01), Iinuma
patent: 4316222 (1982-02-01), Subramanian
patent: 4716471 (1987-12-01), Yokomizo

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