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Apparatus and method for reducing errors in data caused by noise

  • US 5,210,518 A
  • Filed: 05/10/1991
  • Issued: 05/11/1993
  • Est. Priority Date: 05/10/1991
  • Status: Expired due to Term
First Claim
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1. In an apparatus for receiving a signal representing digital data, said signal being transmitted over a power line to said apparatus, an improvement comprising:

  • detection means for detecting noise pulses on said power lines said detecting means including frequency dependent means for detecting noise pulses occurring at and above a first frequency and for preventing said noise pulses at and above said first frequency from blocking detection of noise pulses at frequencies below said first frequency; and

    ,snubbing means for suppressing said signal representing digital data under control of said detection means, said detection means being coupled to said snubbing means, said snubbing means being controlled by said noise pulses below said first frequency.

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