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Class Information
Number: 374/118
Name: Thermal measuring and testing > Temperature measurement (e.g., thermometer) > By a vibratory effect (e.g., resonant frequency, acoustical) > Resonant frequency by fluid flow
Description: Subject matter wherein the temperature is determined by the frequency of mechanical or acoustical resonance measured by fluid flow.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404671 |
Dynamic acoustic thermometer |
Jul. 29, 2008 |
| 7274002 |
Heating element induction of time-varying thermal gradient in elongated beam to cause one or more elongated beam oscillations |
Sep. 25, 2007 |
| 6834992 |
Acoustic pyrometer |
Dec. 28, 2004 |
| 6769804 |
Temperature measuring method, object detecting method and object detecting device with vibrating-type level sensor |
Aug. 3, 2004 |
| 6764215 |
Method, a measuring cell and a system for measuring very small heat changes in a sample |
Jul. 20, 2004 |
| 6726358 |
Acoustic pyrometer |
Apr. 27, 2004 |
| 6386755 |
Acoustic pyrometer |
May. 14, 2002 |
| 6126311 |
Dew point sensor using mems |
Oct. 3, 2000 |
| 6039472 |
Method for measuring the temperature of a metallurgical furnace using an acoustic noise parameter and rate of consumption of electrical power |
Mar. 21, 2000 |
| 5772322 |
Resonant microbeam temperature sensor |
Jun. 30, 1998 |
| 5511427 |
Cantilevered microbeam temperature sensor |
Apr. 30, 1996 |
| 5141331 |
Ultrasonic temperature measurement and uses in optical spectroscopy and calorimetry |
Aug. 25, 1992 |
| 4196626 |
Flueric notch filter temperature or density sensor |
Apr. 8, 1980 |
| 4046008 |
Fluidic temperature sensor |
Sep. 6, 1977 |
| 4020693 |
Acoustic transducer for nuclear reactor monitoring |
May. 3, 1977 |
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