Temperature sensor providing a temperature signal in digital...

Details Temperature sensor providing a temperature signal in digital... Temperature sensor providing a temperature signal in digital...

2007-08-20

2009-11-03

Allen, Andre J (Department: 2855)

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

C374S100000, C374S183000

Reexamination Certificate

active

07611279

ABSTRACT:
An embodiment of a temperature sensor providing a digital signal representative of temperature comprises a measurement unit providing a first measurement current equal to the sum of at least a first current proportional to temperature and of a second current; a comparator capable of providing a comparison signal which depends on the comparison between the first current and the difference between a third current and the second current; a coding unit receiving the comparison signal and providing said digital signal; a digital-to-analog converter capable of providing the second current and the third current, said difference corresponding to the conversion of said digital signal; and a unit for providing a reference voltage.

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French Search Report for FR 0653397 dated Feb. 12, 2007.

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