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System for implementing the synchronized superimposition of subliminal signals

  • US 5,128,765 A
  • Filed: 11/29/1988
  • Issued: 07/07/1992
  • Est. Priority Date: 11/29/1988
  • Status: Expired due to Fees
First Claim
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1. An apparatus for superimposing a subliminal video message on a continuous source video signal comprising:

  • a. means for receiving a source video signal having horizontal and vertical synchronization information;

    b. means for detecting said horizontal and vertical synchronization information from said source video signal;

    c. means for generating said subliminal video message; and

    d. means responsive to said horizontal and vertical synchronization information comprising a video carrier oscillator means and a video shift register means and adapted to superimpose said generated subliminal video message onto said source video signal wherein said subliminal video message is synchronized with said source video signal.

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