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Hand held non-contact voltage tester

  • US 5,877,618 A
  • Filed: 07/31/1997
  • Issued: 03/02/1999
  • Est. Priority Date: 07/31/1997
  • Status: Expired due to Term
First Claim
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1. In a non-contact voltage tester of the type having a single probe tip for sensing the presence of a voltage, an indicating lamp for signalling a user of the tester when said voltage is present, circuitry for detecting a voltage at said probe tip and operating said indicating lamp in response to said detected voltage, a battery power supply for energizing said circuitry and a switch actuated by the user of said tester for operatively connecting said power supply with said circuitry, the improvement wherein said indicating lamp emits a signal of limited duration to the operator when said switch is first actuated by the user in the absence of a voltage detected by said circuitry at said probe tip and said lamp is positioned inside a translucent section of a housing of said tester, said lamp and translucent section being positioned between said switch and said probe tip.

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