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Optical disk recorder for video signals and an optical disk for use therein

  • US 5,596,421 A
  • Filed: 06/03/1994
  • Issued: 01/21/1997
  • Est. Priority Date: 06/03/1993
  • Status: Expired due to Term
First Claim
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1. An optical recorder for recording an input video signal having video data in at least one frame period, said input video signal having a first resolution, said optical recorder comprising:

  • dividing means for dividing the video data contained in one frame period of the input video signal into two data groups;

    means for independently encoding each of said two data groups to produce a first video signal and a second video signal respectively, each of said first video signal and said second video signal having a second resolution, said second resolution is lower than said first resolution, saidmeans for recording said first video signal and said second video signal on an optical disk in a first channel and a second channel respectively;

    counting means tier counting the amount of variable length data in the first video signal and the second video signal for a designated period of time; and

    means tier adding pseudo data to the variable length data of one of the first video signal and the second video signal which has a smaller amount of the variable length data so that a substantially equal amount of variable length data is in the first video signal and the second video signal.

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