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Discrete slope delta modulation with recovery means

  • US 5,014,284 A
  • Filed: 06/30/1989
  • Issued: 05/07/1991
  • Est. Priority Date: 06/30/1989
  • Status: Expired due to Term
First Claim
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1. A method of processing an electrical signal by delta modulation comprisingconverting said electrical signal into compressed digital information by delta modulation,employing a plurality of slope tables each having a plurality of slope values in establishing said compressed digital information, andeffecting said compression by employing a code having a different value for each said slope value.

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