Movable contact unit arrangement including a movable contact unit and a magnetic sensor
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United States of America Patent
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Mar 27, 2007
Issued Date -
N/A
app pub date -
Apr 11, 2006
filing date -
Oct 20, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A movable contact unit arrangement includes a movable contact disposed close to a magnetic sensor. The movable contact unit includes a base sheet made of insulating resin, and a movable contact made of elastic metal plate material and having a downwardly opening dome shape. The movable contact is stuck to the base sheet. The magnetic sensor has an operation magnetic flux density during operation, and the movable contact is a demagnetized movable contact so that a residual magnetic flux density of the movable contact is smaller than the operation flux density of the magnetic sensor.
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