Editing arrangement for videotex system with public terminals

Details Editing arrangement for videotex system with public terminals Editing arrangement for videotex system with public terminals

1983-11-29

1986-03-11

Schreyer, Stafford D.

Telegraphy

Systems

Automatic

178 175, 340711, 340717, H04L 2100

Patent

active

045755795

ABSTRACT:
In public videotex (Btx) terminals, different pages are displayed successively on the screen in the off-line mode (e.g., advertisements and user instructions). To be able to update such off-line pages at low cost, a page memory in the terminal is constructed as a random-access memory (46). A central operating facility contains an editing device in which the information and control characters required to display an off-line page are produced. These characters are transmitted to the terminal and written into the random-access memory (46). This may be effected automatically when the supply voltage is turned on.

REFERENCES:
patent: 3500335 (1970-03-01), Cuccio
patent: 3973244 (1976-08-01), Lovercheck et al.

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