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Television receiver comprising a teletext decoding circuit and a page number memory

  • US 4,701,794 A
  • Filed: 04/12/1985
  • Issued: 10/20/1987
  • Est. Priority Date: 01/09/1985
  • Status: Expired due to Fees
First Claim
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1. A television receiver comprising:

  • a control system for generating in response to external manipulations control instructions including teletext page numbers of teletext pages to be displayed on said television receiver;

    a teletext-decoder circuit having a page number input for receiving from said control system page numbers of teletext pages to be displayed and having a picture output applying the picture signal of the teletext page to be displayed;

    a picture screen coupled to display the picture signal from the picture signal output of the teletext decoder circuit, said picture screen displaying a teletext page which is identified by an associated page number;

    page number storage means for storing a plurality of page number; and

    a programmable control circuit coupled to the page number storage means and to the control system for receiving the control instructions, and to said page number input of the teletext decoder circuit to apply teletext page numbers thereto, the control circuit being programmed for carrying out the steps of;

    storing in the page number storage means a first series of preselected teletext page numbers selected by a user in the order in which the corresponding teletext pages are desired for display;

    successively applying the teletext page numbers of said first series to the teletext-decoder in response to successive occurrences of a selected first control instruction for successively displaying the teletext pages corresponding to the teletext page numbers successively applied to the teletext-decoder;

    interrupting the successive application of teletext page numbers of said first series to the teletext-decoder in response to the occurrence of a selected further control instruction;

    storing intermediate teletext page numbers in the order in which the corresponding teletext pages are desired for display;

    successively applying the intermediate teletext page number to the teletext-decoder in response to successive further occurrences of the selected control instruction; and

    continuing the successive application of the remainder teletext page numbers of said first series to the teletext decoder after all the intermediate teletext page numbers have been applied thereto.

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