Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1987-03-27
1989-10-17
Cuchlinski, Jr., William A.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
347128, G01J 526
Patent
active
048742538
ABSTRACT:
A radiation detector with temperature readout has a multicolored LED display divided into segments of zero degrees to 9 degrees centigrade colored green, 10 degrees to 19 degrees centigrade in yellow, and 20 degrees to 100 degrees centigrade in red. Alternatively, two red segments are provided for ranges of 20 degrees to 64 degrees centigrade and 65 degrees centigrade and above, respectively. The radiation detector is automatically zeroed at ambient upon use and provides a readout of temperature rise above ambient throughout a scan of a subject. In one design, only one LED for each segment of the display is illuminated at a time. An audible signal is sounded at an increasing pulse frequency as the display is illuminated from the green segment to the red segment of measured temperature rise above ambient with a constant tone for temperature rises above about 20 degrees centigrade. In an alternative design a timing circuit allows the detector to self operate for a predetermined length of time. The detector sounds a `beep` tone before automatically shutting itself off. A window made of germanium covers the radiation sensor and filters out wavelengths not of interest.
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Microscanner E., Exergen Corporation Brochure, 1985.
Burke Michael W.
Pompei Francesco
Cuchlinski Jr. William A.
Exergen Corporation
Worth W. Morris
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