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Common controller area network interface

  • US 7,148,723 B2
  • Filed: 01/30/2002
  • Issued: 12/12/2006
  • Est. Priority Date: 01/30/2002
  • Status: Expired due to Fees
First Claim
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1. An electronic interface for connecting to a network having a data stream placed on a bus high signal and a bus low signal, comprising:

  • a ground synthesizer circuit, coupled to the bus high signal and bus low signal, configured to synthesize a ground from the bus high signal and bus low signal;

    a capacitive isolator circuit, coupled to the ground synthesizer circuit, configured to generate an isolated bus high signal from the bus high signal; and

    an edge triggering circuit, coupled to the capacitive isolator circuit, configured to regenerate the data stream into a first reconstructed data stream by comparing the isolated bus high signal with the ground.

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