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System and method for data security

  • US 5,629,984 A
  • Filed: 03/10/1995
  • Issued: 05/13/1997
  • Est. Priority Date: 03/10/1995
  • Status: Expired due to Fees
First Claim
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1. An apparatus for preventing an unauthorized person from intelligibly viewing a video data frame, comprising:

  • a select device that alternatively outputs the video data frame with a video flash frame being a video frame being a video frame having a majority of its pixels illuminated; and

    a display device coupled to said select device, said display device displays one of the video data frame and said video flash frame.

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