Switch
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United States of America Patent
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Jun 12, 2018
Issued Date -
Jun 23, 2016
app pub date -
Oct 7, 2015
filing date -
Oct 8, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetic type switch may include a magnet having a magnetic pole face arranged to face a magnetic body provided in an object. A change in magnetic field due to a change in distance between the magnetic body and the magnet by an operation of the object may be detected to output a signal for indicating at lease one of a presence and an absence of the operation of the object. The switch may also include a casing in which the magnet may be disposed, where the casing may have a facing part between the magnet pole face of the magnet and the magnetic body. The switch may further include a protector member formed of a non-magnetic body having a predetermined thickness in a direction vertical to the magnetic pole face, where the protector member maybe attached to the casing to cover at least the facing part.
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