PRESSURE SENSOR
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Dec 3, 2014
filing date -
Dec 24, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a pressure sensor that is equipped with a pressure detection element and is capable of preventing data of an EPROM from being lost by application of high-voltage pulse noise to a writing terminal. A GND terminal (21d) that is one of output terminals of the pressure detection element (21) and an EPROM drain terminal (21h) that is one of EPROM writing terminals are connected via a capacitor (60). The GND terminal (21d) is grounded via a lead pin (33A). With this configuration, even when the high-voltage pulse noise is applied to the EPROM drain terminal (21h) and a lead pin (36a) connected to the EPROM drain terminal (21h), the high-voltage pulse noise can be released to ground via the capacitor (60), and data of EPROM (21a) can be prevented from being lost.
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