Current detection printed board, voltage detection printed board, and current/voltage detector using same, and current detector and voltage detector
First Claim
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1. A voltage detection printed board comprising:
- a board having a penetration hole that penetrates the board;
a first pattern wire formed at a periphery of the penetration hole;
a second pattern wire formed at the periphery of the penetration hole; and
a plurality of through holes that penetrate the board between the first and second pattern wires,wherein, when a conductor, in which an AC voltage is generated, is disposed to pass through the penetration hole, the pattern wires act with the conductor to function as electrodes of a capacitor.
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Abstract
A current detection printed board includes: a board having a penetration hole that penetrates the board; and at least one wire that is formed in a coiled shape having both ends by penetrating the board along the periphery of the penetration hole and alternately connecting a front surface layer and a rear surface layer of the board, wherein, when a conductor, in which an AC current flows, is disposed to pass through the inside of the penetration hole, a current flowing in the wire is output through electromagnetic induction.
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Citations
5 Claims
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1. A voltage detection printed board comprising:
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a board having a penetration hole that penetrates the board; a first pattern wire formed at a periphery of the penetration hole; a second pattern wire formed at the periphery of the penetration hole; and a plurality of through holes that penetrate the board between the first and second pattern wires, wherein, when a conductor, in which an AC voltage is generated, is disposed to pass through the penetration hole, the pattern wires act with the conductor to function as electrodes of a capacitor. - View Dependent Claims (2, 3, 4, 5)
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Specification
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Current AssigneeDaihen Corporation
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Original AssigneeDaihen Corporation
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InventorsOmae, Shuji, Amadatsu, Shigeki, Kitano, Tomohiko, Ibuki, Yoshifumi
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Primary Examiner(s)Dole; Timothy J
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Application NumberUS11/627,703Publication NumberTime in Patent Office1,201 DaysField of Search324/658, 324/686, 324/126, 324/129US Class Current324/658CPC Class CodesG01R 15/142 Arrangements for simultaneo...G01R 15/16 using capacitive devicesG01R 15/181 using coils without a magne...
