Voltage detector having voltage detection printed board
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United States of America Patent
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Apr 29, 2014
Grant Date -
Nov 24, 2011
app pub date -
Aug 2, 2011
filing date -
Jan 30, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A voltage detector having a voltage detection printed board including 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. Also provided is a conductive casing in which the voltage detection printed board is fixed, wherein, when a conductor, in which 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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