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DUAL VOLTAGE BATTERY TESTER

  • US 20110298464A1
  • Filed: 06/03/2011
  • Published: 12/08/2011
  • Est. Priority Date: 06/04/2010
  • Status: Abandoned Application
First Claim
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1. A 1½

  • volt and 9 volt battery tester printed on a thin substrate with a reversible thermo-chromatic material in thermal contact with carbon heating elements where s the heating elements use the same carbon resistive ink, and where the carbon resistive ink for both voltage ranges is printed as a single pass.

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