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Television picture special effects system using digital memory techniques

  • US 4,249,212 A
  • Filed: 05/16/1979
  • Issued: 02/03/1981
  • Est. Priority Date: 05/19/1978
  • Status: Expired due to Term
First Claim
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1. A television picture special effects system for a television video signal, said television signal representing a picture including a moving object, said system comprising:

  • means for storing said television video signal for a period equal to at least one field of said television signal;

    means for developing a position information signal representative of the position of said moving object in said picture; and

    means operatively connected to said storing means and said signal-developing means for inhibiting the write-in of said television video signal into said storing means and for allowing the previously stored television video signal to pass to said storing means in response to said position information signal.

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