Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1994-07-01
1997-12-09
Gutierrez, Diego F.F.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
136208, 136213, 136225, G01J 516
Patent
active
056952830
ABSTRACT:
A thermopile detector for a temperature measuring instrument physically and electrically configured to supply an output signal which indicates a target temperature substantially independent of the influence of ambient temperature changes. The detector is comprised of a plurality of interleaved and electrically opposing thermocouples on a common surface of a substrate wherein the interleaved thermocouples are comprised of active thermocouples having a high emissivity coating to increase their sensitivity to infrared radiation and blind compensating thermocouples having a low emissivity coating to minimize their sensitivity to infrared radiation.
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Gutierrez Diego F.F.
Wahl Instruments, Inc.
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