Importance

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Abstract

Disclosed is a conductor position inspection apparatus capable of detecting where an inspection-target electric conductor is located, with a high degree of accuracy in a non-contact manner. The inspection apparatus comprises a signal supply section 510 for supplying an AC inspection signal to an inspection-target conductor 520, two sensor plates 570, 580 disposed approximately parallel to each other in the vicinity of the conductor 520, a subtracter 550 for subjecting respective detected signal values from the sensor plates to subtraction, and a divider 560 for dividing the detected signal value from a selected one of the sensor plates by the subtraction result to normalize the detected signal value from the selected sensor plate so as to detect a relative ratio between the detected signal values from the sensor plates to obtain a value X corresponding a distance between the selected sensor plate and the conductor 520, as a detection result.

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First Claim