Image processing system

Details Image processing system Image processing system

1985-07-08

1987-10-06

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

340347DD, 358280, 358283, 364519, 379 93, 379100, H03M 704, H03M 730, H04N 132, H04N 140

Patent

active

046986880

ABSTRACT:
An image processing system includes an image reader unit which reads an image so as to generate it as 4-bit data, and a communication unit for converting the 4-bit data into 6-bit data. The communication unit forms the 6-bit data in such a manner that an upper 2-bit component of the 4-bit data is added to the 4-bit data as a lower 2-bit component of the 6-bit data. The resultant 6-bit data is supplied to a binary printer and is subjected to halftone processing and printing. Image signals having different bit numbers can be processed and excellent image reproduction can be achieved with a simple system.

REFERENCES:
patent: 4144560 (1979-03-01), Harris
patent: 4367533 (1983-01-01), Wiener
patent: 4384307 (1983-05-01), Kuzmik
patent: 4467363 (1984-08-01), Tench

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