Sensor
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United States of America Patent
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Issued Date -
Dec 3, 2009
app pub date -
May 10, 2006
filing date -
May 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sensor according to the invention has a U-shaped magnet having a pair of opposing portions spaced apart from each other, forming a flux-free region between the pair of opposing portions. A Hall element varies an output voltage according to the density of passing flux. A spacer regulates the positional relationship between the Hall element and the U-shaped magnet such that the Hall element is positioned in the flux-free region of the U-shaped magnet and a housing covers the spacer.
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