Method and system for transmitting image data

Details Method and system for transmitting image data Method and system for transmitting image data

1988-08-02

1990-11-06

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358903, H04N 514

Patent

active

049690426

ABSTRACT:
A method of, and a system for, transmitting and/or storing data in digitized form, in particular image data, between two telecommunication stations connected through a cable. The data is supplied, in a suitable form, to a computer and stored in at least a first memory section of the computer. A corresponding second memory section of the computer is defined, in which reference data is stored. Periodically and simultaneously both memory sections are scanned to compare the contents of corresponding memory locations. When a difference between the contents of corresponding memory locations of the two memory sections is detected, the contents of the memory location of the first memory section together with address data are transmitted and/or stored, and also written into the corresponding memory location of the second memory section to update the reference data.

REFERENCES:
patent: 4402010 (1983-08-01), Vogelman
patent: 4564915 (1986-01-01), Evans et al.
patent: 4733303 (1988-03-01), Koshiishi

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