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Method and apparatus for generating subliminal visual messages

  • US 4,616,261 A
  • Filed: 10/17/1983
  • Issued: 10/07/1986
  • Est. Priority Date: 05/04/1983
  • Status: Expired due to Fees
First Claim
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1. The method of generating subliminal visual messages on a television receiver, having horizontal and vertical scan generators, during the display of a supraliminal television program derived from a program source comprising:

  • generating a signal representative of one of said subliminal messages with independent horizontal and vertical synchronizing signals independent of synchronizing signals of the program source and switching the television receiver from the program source to said subliminal signal for intervals sufficiently short to prevent the presentation of said subliminal signal as a supraliminal display, whereby the horizontal and vertical scan generators of the television receiver are controlled by said synchronizing signals of the program source at such time as the receiver is connected to the program source and by said independent horizontal and vertical synchronizing signals of said signal representative of one of said subliminal messages at such time as the television receiver is switched to the last said signal to produce display of a program containing one of said subliminal messages.

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