Protocol converting apparatus for videotex system

Details Protocol converting apparatus for videotex system Protocol converting apparatus for videotex system

1986-09-11

1988-04-19

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358142, 379 96, H04N 704

Patent

active

047394021

ABSTRACT:
A protocol converting apparatus in which when character information electronic signals of a NAPLPS (North American Presentation Level Protocol Syntax) system are displayed on a user terminal apparatus of a CAPTAIN (Character And Pattern Telephone Access Information electronic signal Network) system, the overflow condition in a row direction and the overflow condition in a column direction are detected and in which in the case of the overflow condition in a column, an overflow character information electronic signal is temporarily stored in a memory, whereby the NAPLPS character information electronic signal can be used by all user terminals of the CAPTAIN system.

REFERENCES:
patent: 4233628 (1980-11-01), Ciciora
patent: 4439761 (1984-03-01), Fleming et al.
patent: 4654633 (1987-03-01), Tonomura

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