Circuit for correcting sensor temperature characteristics

Details Circuit for correcting sensor temperature characteristics Circuit for correcting sensor temperature characteristics

2007-09-25

2009-12-01

Allen, Andre J (Department: 2855)

Thermal measuring and testing

Temperature measurement

Composite temperature-related paramenter

C374S112000

Reexamination Certificate

active

07625118

ABSTRACT:
A temperature characteristic correction circuit that improves the temperature characteristic correction accuracy by smoothly changing the gradient of an adjustment voltage without using a comparator. The temperature characteristic correction circuit for correcting the temperature characteristic of a signal includes a plurality of correction signal generation units for generating a plurality of correction signals characterized by different temperature to voltage change rates. The temperature characteristic correction circuit generates the correction signals having the lowest voltage or the highest voltage as an adjustment signal at a given temperature by the one of the plurality of correction signal generation units, and corrects the temperature characteristic of the signal with the adjustment signal.

REFERENCES:
patent: 7033071 (2006-04-01), Otsuka
patent: 7364353 (2008-04-01), Kolk
patent: 2009/0161726 (2009-06-01), Miyamoto et al.
patent: 06-307945 (1994-11-01), None

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