G - Physics – 01 – K
Patent
G - Physics
01
K
G01K 11/20 (2006.01)
Patent
CA 2092092
ABSTRACT OF THE DISCLOSURE A temperature sensing system has a signal means which provides a signal representative of a temperature responsive luminescence, where the luminescence has a characteristic time-rate-of-decay. A means for comparison is connected to the signal means and samples the signal during two time intervals, the first interval (A-D) overlapping the second (B-C). The averages of the samples are compared to provide a difference signal representative of the difference between the two measured averages. Control means coupled to the comparison means provide an output representing the temperature as a function of the time-rate-of-decay, by adjusting the overlapping intervals so that the difference signal converges to a preselected limit.
Cucci Gerald R.
Jensen Stephen C.
Peterson Charles Michael
Rychnovsky Steven J.
Stokowski Stanley E.
Marks & Clerk
Rosemount Inc.
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