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Patent Searching and Data


Title:
CLAMPMETER
Document Type and Number:
Japanese Patent JP3391770
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To markedly enhance a shielding effect, even in a clampmeter having the tip part of a core which taper toward its tip.
SOLUTION: Shielding parts 8 of the cores 3, 5 are constituted of three or more of shielding sheets 81, a stepped portion 82 of at least three steps or more is formed in a tip part of the each shielding part 8, the stepped portion in one of the cores serves as the first stepped portion 82, the stepped portion in the other core is served as the second stepped portion 83, and the shielding effect is enhanced in a butting portion 6 of the cores by connecting the first stepped portion 82, closely contacting the second stepped portion 83.


Inventors:
Seike, Takashi
Application Number:
JP2000000195877
Publication Date:
March 31, 2003
Filing Date:
June 29, 2000
Export Citation:
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Assignee:
KYORITSU ELECTRICAL INSTRUMENTS WORKS LTD
International Classes:
G01R1/22; (IPC1-7): G01R1/22
Attorney, Agent or Firm:
福田 賢三 (外2名)