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Electronic apparatus for the display of information received over a line

  • US 4,289,930 A
  • Filed: 11/30/1978
  • Issued: 09/15/1981
  • Est. Priority Date: 11/30/1978
  • Status: Expired due to Term
First Claim
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1. Electronic apparatus for the display of pages of information signalled from a remote location in response to a request for the information being signalled by the apparatus to the remote location, the apparatus comprising:

  • (A) a pair of terminals for connection to a transmission line,(B) a raster-type display unit responsive to video signals for controlling the display thereof,(C) a data store for storing data representing in digitally-coded form characters to be displayed by the display unit,(D) means to write character identifying data into the data store in response to signals which are applied to the pair of terminals and which carry the data,(E) video signal generating means to derive said video signal from the data stored by the data store for supply to the display unit,(F) a keyboard,(G) an electrically-alterable memory,(H) means to enter into the memory in response to operation of the keyboard, data identifying selected pages of information which are to be transmitted from the remote location, and(I) means responsive to further operation of the keyboard to supply to the pair of terminals for transmission to the remote location signals characterizing at least some of the data stored by the memory and identifying a particular one of the selected pages of information.

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