| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric potential measuring device capable of comparatively thinning the device width, in a direction of forming an angle with the torsional shaft of a rocking body, further than conventionally. SOLUTION: This electric potential measuring device has a torsion spring 6, a rocking body 7, comprising a rocking plate 5 journaled rockably about the torsional shaft 50, and a support part 8 for supporting the rocking plate 5 via the torsion spring 6. At least one of detection electrodes 9 or 10, to be arranged to a measuring object 1 for measuring the electric potential of the measuring object 1, is provided on the surface 5a that crosses with the rocking plate 5 or the torsional shaft 50 of the support part 8. The rocking body 7 is arranged so that a straight line that includes the torsional shaft 50, assumes an attitude of crossing with the face of the measuring object 1. When the rocking plate 5 is rocked, the detection electrodes 9, 10 are shielded and are exposed periodically and alternately, with respect to the measuring object 1. COPYRIGHT: (C)2008,JPO&INPIT
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