Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatuses

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7242197
APP PUB NO 20060202704A1
SERIAL NO

11385247

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided a current measuring apparatus for measuring current-under-measurement flowing between a first measuring terminal and a second measuring terminal, having a plurality of primary coils whose one end is electrically connected with the first measuring terminal and another end thereof is electrically connected with the second measuring terminal, a secondary coil that generates voltage representing the current-under-measurement corresponding to the current-under-measurement flowing through the plurality of primary coils and coaxial cables, each corresponding to the plurality of primary coils and having a signal line that connects one end of the primary coil with the first measuring terminal and a shield, and the coaxial cable has the signal line, an insulating layer for coating the signal line, first one of the shield having a tape-like conductor wound around the insulating layer and second one of the shield made of a conductor provided around the first shield.

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Patent Owner(s)

Patent OwnerAddress
HIRAKAWA HEWTECH CORPORATION28-10 MIMAMI-OI 3-CHOME SHINAGAWA-KU TOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furukawa, Yasuo Tokyo, JP 65 1097
Satou, Mitsunori Sowa-machi, JP 2 7

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