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System for combining multiple-format multiple-source video signals

  • US 5,448,307 A
  • Filed: 12/09/1993
  • Issued: 09/05/1995
  • Est. Priority Date: 12/11/1992
  • Status: Expired due to Fees
First Claim
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1. A system for creating a composite image having a plurality of destination pixels by selectively combining a plurality of simultaneously available video signals, each of said video signals including a plurality of source pixels, said system comprising:

  • input means for receiving the plurality of video signals, each of said video signals having a predetermined video format the number of video formats being greater than one;

    encoding means coupled to said input means for encoding each source pixel of each video signal into a data item, each data item corresponding to said corresponding destination pixel and including a color identifier and a video format identifier;

    multiplexing means coupled to the encoding means for selecting one of the data items;

    memory means for storing the selected data item; and

    decoding means coupled to the memory means for decoding the selected data item to determine a color and the format of one of said corresponding destination pixels.

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