Data compression/expansion circuit for facsimile apparatus

Details Data compression/expansion circuit for facsimile apparatus Data compression/expansion circuit for facsimile apparatus

1990-09-04

1993-03-23

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Reduced time or bandwidth for static image communication

358430, 3582611, 3582612, H04N 141

Patent

active

051969459

ABSTRACT:
A facsimile unit including apparatus for simultaneously detecting color changes in image data being encoded and counting the number of pels between the color changes. The unit also includes a decoder having a binary tree embodied in ROMs for fast decoding of received signals.

REFERENCES:
patent: 4097903 (1978-06-01), Nakagome et al.
patent: 4597016 (1986-06-01), Nakamura et al.
patent: 4688100 (1987-07-01), Haganuma et al.
patent: 4701803 (1987-10-01), Sato
patent: 4821298 (1989-04-01), Lagadec et al.
patent: 4955061 (1990-09-01), Doi et al.
patent: 4955066 (1990-08-01), Notenboom
patent: 5055919 (1991-10-01), Klein et al.

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