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Battery monitoring system

  • US 9,660,303 B2
  • Filed: 07/01/2009
  • Issued: 05/23/2017
  • Est. Priority Date: 08/25/2008
  • Status: Active Grant
First Claim
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1. A battery monitoring device, comprising:

  • a sensor device electrically connectable to an automobile battery and situated thereon, and adapted to detect an operating variable of the battery;

    a detection circuit connected via a cable connection to the sensor device; and

    a data processing circuit connected to the detection circuit via a potential isolation circuit, the potential isolation circuit isolating a potential level of the detection circuit and a potential level of the data processing circuit for direct signal components from one another, wherein the potential isolation circuit is located outside of the sensor device.

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