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Bandwidth and frame buffer size reduction in a digital pulse-width-modulated display system

  • US 6,064,404 A
  • Filed: 11/05/1996
  • Issued: 05/16/2000
  • Est. Priority Date: 11/05/1996
  • Status: Expired due to Term
First Claim
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1. A method of converting a stream of incoming serial video data, formatted with each pixel'"'"'s data arriving concurrently, into digital PWM video formatted as a sequence of groups of like-weighted bits comprising the steps of:

  • a. receiving the stream of incoming serial video data for displaying a series of frames, each frame defined by a predetermined number of bits;

    b. storing the data in a memory within a plurality of buffers such that it can be accessed as like-weighted bit groups and each buffer implements a constant delay; and

    c. organizing collections of groups in the memory such that less than the predetermined number of bits need be concurrently stored in the memory.

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