PRESSURE SENSOR WITH INTEGRATED TEST DEVICE AND METHOD FOR TESTING SUCH A SENSOR
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United States of America Patent
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Issued Date -
Mar 25, 2010
app pub date -
Nov 12, 2007
filing date -
Nov 10, 2006
priority date (Note) -
Abandoned
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Abstract
The invention relates to a pressure sensor comprising a housing, a membrane and at least one measuring element for measuring a pressure acting upon the membrane from outside the housing. The pressure sensor also comprises a channel system, inside the housing, which system can be filled with a test medium. The channel system comprises at least one pressure chamber. The pressure chamber is arranged in such a manner that a defined test pressure applied therein produces a known pressure change in the measuring element.
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