| 摘要 |
PROBLEM TO BE SOLVED: To enable easy evaluation of characteristic values which influence formed images, for example, in a image forming apparatus, by measuring simultaneously the peripheral shape of the trunk part of a roller body and the surface shape, and by utilizing operation processing, in a relatively simple composition. SOLUTION: The roller body shape measuring device comprises a mechanism for holding a roller body and making it rotate about its shaft, a mechanism which carries out continuous detection of the peripheral shape of a test part, and a mechanism which carries out operation processing of the digitized signals, after changing the detected peripheral shape into electrical signals and digitizing them. COPYRIGHT: (C)2005,JPO&NCIPI
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