Method and circuit for correcting sensor temperature...

Details Method and circuit for correcting sensor temperature... Method and circuit for correcting sensor temperature...

2006-11-14

2010-12-28

Caputo, Lisa M (Department: 2855)

Thermal measuring and testing

Thermal calibration system

C374S112000, C374S166000

Reexamination Certificate

active

07857505

ABSTRACT:
A method and circuit for preventing an output signal, which has been corrected through digital correction or analog correction, from deviating from a target value and for preventing power supply noise and power consumption from increasing. A sensor amplification circuit receives output of a sensor as an input signal. Correction points are set at predetermined temperature intervals. The sensor amplification circuit performs digital correction for correcting the input signal with correction data set for each correction point. Further, the sensor amplification circuit performs a second correction for correcting the input signal between the correction points with gradient data calculated from the correction data for two of the correction points that are adjacent to each other.

REFERENCES:
patent: 7625118 (2009-12-01), Mizuno
patent: 2004/0088134 (2004-05-01), Gauthier et al.
patent: 2007/0229120 (2007-10-01), Okajima et al.
patent: 2008/0232425 (2008-09-01), Hall et al.
patent: 11-064123 (1999-03-01), None
patent: 11-194061 (1999-07-01), None
patent: 2001-143183 (2001-05-01), None
patent: 2003-084728 (2003-03-01), None

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