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Method of measuring contact failure and contact failure measuring device

  • US 9,020,685 B2
  • Filed: 02/22/2011
  • Issued: 04/28/2015
  • Est. Priority Date: 02/23/2010
  • Status: Expired due to Fees
First Claim
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1. A contact fault measuring method of measuring whether or not there is a contact fault in a terminal fitting portion of a harness in a wiring system, comprising:

  • placing a magnetic sensor in proximity to the harness to be measured; and

    applying external forces to the terminal fitting portion of the harness to be measured, detecting, with the magnetic sensor, the magnitude of a transient response variation in an induced magnetic field around the harness at a timing at which the external forces are applied, and displaying the detected magnitude as an indicator of whether or not a contact state of the terminal fitting portion is acceptable.

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