US Patent No: 4,575,579

Number of patents in Portfolio can not be more than 2000

Editing arrangement for videotex system with public terminals

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Importance

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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.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ALCATEL N.V.NEW YORK, NY990

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schneider, Gerhard Blumberg, DE 74 834
Simon, Gerhard J Hemmingen, DE 1 66

Cited Art

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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Other [Check patent profile for assignment information] (1)
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