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Sensor interface and sensor calibration technique
   
Document Number
US Patent 7577539
Issued Date
August 18, 2009
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Abstract
Apparatus and an accompanying method for calibrating a sensor signal conditioner coupled to a sensor. The signal conditioner sensor enables relatively easy and precise calibration of bridge sensors without the use of a microprocessor. When mated to a resistive bridge sensor, the sensor signal conditioner can digitally calibrate offset and gain, with an option to calibrate offset and gain coefficients and linearity over temperature. A second order compensation can be enabled for temperature coefficients of gain, offset or bridge linearity.
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Number of Claims:
20
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Owner
ZMD America Inc. (Melville, NY)
Published
August 18, 2009
Application Number
11/651,172
Filed
January 9, 2007
US Classification
702/104   324/207.25 702/91 702/98
Int'l Classification
G01F   25/00   (20060101)  
Examiner
Parent Case
CLAIM TO PRIORITY This application claims the benefit of our co-pending United States provisional patent application entitled "SENSOR CALIBRATION TECHNIQUE" filed Jan. 12, 2006 and assigned Ser. No. 60/758,318, which is incorporated by reference herein.
USPTO Field of Search
702/85   702/91   702/98   702/104   324/207.21   324/207.25   324/500  
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