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DISPLAY SYSTEM WITH COMBINED DYNAMIC AND STATIC DISPLAY

  • US 3,868,675 A
  • Filed: 09/04/1973
  • Issued: 02/25/1975
  • Est. Priority Date: 09/04/1973
  • Status: Expired due to Term
First Claim
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1. A display system for combined display of news-service information and advertising messages, the system comprising:

  • an input to the system for serially receiving from an external news-service line digital data signals representing characters forming incoming news-service information;

    first and second memory means;

    means responsive to the serially received signals for accumulating in the first memory means a plurality of items of line data, each item of line data comprising a plurality of groups of signals, each group being encoded to represent a character of the incoming news-service information;

    means for storing into the second memory means signals representing a plurality of advertising messages;

    a display board;

    display apparatus supported by the display board and comprising first display means responsive to signals obtained from the first memory means to display a dynamic representation of a plurality of items of line data and second display means responsive to signals obtained in a cyclical sequence from the second memory means to display in a corresponding sequence static representations of a plurality of selected advertising messages; and

    means for obtaining the signals from the first memory means to couple them to the first display means and multiplexing means for obtaining the signals from the second memory means to couple them to the second display means so as to display simultaneously the news-service information and an advertising message.

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