Videotex system with public terminals

Details Videotex system with public terminals Videotex system with public terminals

H - Electricity

04

M

354/229, 350/3,

H04M 11/08 (2006.01) G06F 3/153 (2006.01) G06F 17/30 (2006.01)

Patent

CA 1217265

G.J.Simon-G.Schneider 10-1 Abstract of the Disclosure Videotex System with Public Terminals 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. (Fig.2)

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