Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1983-12-05
1985-12-24
Yasich, Daniel M.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
128736, 2504611, 374159, 374141, G01N 2131, G01J 502
Patent
active
045602867
ABSTRACT:
A technique of temperature measurement wherein an object or environment to be measured is provided with a phosphor material layer that emits at least two optically isolatable wavelength ranges whose intensity ratio depends upon the object or environment temperature, the emitted radiation being brought to a detector by an optical system that may include an optical fiber. Several specific applications of this technique are disclosed, such as temperature monitoring of electrical equipment and industrial processing, medical temperature instrumentation including the use of disposable elements that contain a small quantity of the temperature dependent phosphor, special and multiple probes, the use of liquid phosphors, and a phosphor paint for monitoring surface temperatures.
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Luxtron Corporation
Yasich Daniel M.
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