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Signal isolator

  • US 4,281,299 A
  • Filed: 11/23/1979
  • Issued: 07/28/1981
  • Est. Priority Date: 11/23/1979
  • Status: Expired due to Term
First Claim
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1. A signal isolator circuit comprising:

  • an acoustic medium having electrical insulation properties and acoutsic transmission properties,a first acoustic transducer on said acoustic medium,

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