Pressure sensor
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United States of America Patent
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Jan 1, 2008
Grant Date -
Mar 16, 2006
app pub date -
Aug 22, 2005
filing date -
Sep 13, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a pressure sensor which has a metal housing 12 containing a sensor chip 11 and a joint housing 14 and in which an insulating member 15 is arranged to electrically insulate both of the metal housing 12 and the joint housing 14 from each other, the metal housing 12 is connected to a stable potential such as, for example, a sensor power supply or a sensor ground. Thus, there can be solved a problem that the detection signal is liable to be influenced by electric noise from outside where a signal line of the pressure sensor and the sensor housing are electrically suspended or unfixed.
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