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Class Information
Number: 374/119
Name: Thermal measuring and testing > Temperature measurement (e.g., thermometer) > By a vibratory effect (e.g., resonant frequency, acoustical) > Vibration velocity (e.g., echo timing)
Description: Subject matter wherein the temperature is determined by the speed of a mechanical wave.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575371 |
Temperature sensor and extensometer |
Aug. 18, 2009 |
| 7481577 |
Ultrasound transducer fault measurement method and system |
Jan. 27, 2009 |
| 7470056 |
Methods and apparatus for monitoring a condition of a material |
Dec. 30, 2008 |
| 7438684 |
Ultrasonic diagnostic apparatus for controlling the surface temperature of a probe |
Oct. 21, 2008 |
| 7404671 |
Dynamic acoustic thermometer |
Jul. 29, 2008 |
| 7376522 |
Method and system for determining the direction of fluid flow |
May. 20, 2008 |
| 7266989 |
Sensor system for high-precision measurements of temperature, composition, and/or pressure of a fluid |
Sep. 11, 2007 |
| 7156551 |
Ultrasound transducer fault measurement method and system |
Jan. 2, 2007 |
| 6960019 |
Fiber optic temperature monitoring method |
Nov. 1, 2005 |
| 6945692 |
Fiber optic temperature monitoring system |
Sep. 20, 2005 |
| 6837109 |
Material thickness measurement method and apparatus |
Jan. 4, 2005 |
| 6789426 |
Microfluidic channels with integrated ultrasonic transducers for temperature measurement and method |
Sep. 14, 2004 |
| 6764215 |
Method, a measuring cell and a system for measuring very small heat changes in a sample |
Jul. 20, 2004 |
| 6726359 |
Apparatus and method of detecting the room temperature by means of sound waves |
Apr. 27, 2004 |
| 6517240 |
Ultrasonic thermometer system |
Feb. 11, 2003 |
| 6481287 |
Fluid temperature measurement |
Nov. 19, 2002 |
| 6296385 |
Apparatus and method for high temperature viscosity and temperature measurements |
Oct. 2, 2001 |
| 6269700 |
Contactless ultrasonic device for dimensional inspection |
Aug. 7, 2001 |
| 6112595 |
Apparatus and method for characterizing semiconductor wafers during processing |
Sep. 5, 2000 |
| 6026688 |
Ultrasonic photoresist process monitor and method |
Feb. 22, 2000 |
| 5996415 |
Apparatus and method for characterizing semiconductor wafers during processing |
Dec. 7, 1999 |
| 5951163 |
Ultrasonic sensors for on-line monitoring of castings and molding processes at elevated temperatures |
Sep. 14, 1999 |
| 5624188 |
Acoustic thermometer |
Apr. 29, 1997 |
| 5604592 |
Laser ultrasonics-based material analysis system and method using matched filter processing |
Feb. 18, 1997 |
| 5469742 |
Acoustic temperature and film thickness monitor and method |
Nov. 28, 1995 |
| 5437506 |
System for measuring the transfer time of a sound-wave in a gas and thereby calculating the temperature of the gas |
Aug. 1, 1995 |
| 5414510 |
Method and apparatus for measuring surface movement of an object using a polarizing interfeometer |
May. 9, 1995 |
| 5360268 |
Ultrasonic temperature measuring apparatus |
Nov. 1, 1994 |
| 5349859 |
Method and apparatus for measuring acoustic wave velocity using impulse response |
Sep. 27, 1994 |
| 5286109 |
Distributed temperature sensor |
Feb. 15, 1994 |
| 5286313 |
Process control system using polarizing interferometer |
Feb. 15, 1994 |
| 5226730 |
Internal temperature monitor for work pieces |
Jul. 13, 1993 |
| 5218858 |
Thin rod flexural acoustic wave sensors |
Jun. 15, 1993 |
| 5214955 |
Constant frequency pulsed phase-locked loop measuring device |
Jun. 1, 1993 |
| 5181778 |
Ultrasonic tomography for in-process measurements of temperature in a multi-phase medium |
Jan. 26, 1993 |
| 5080495 |
Method and apparatus for measuring thermal diffusivity by ac joule-heating |
Jan. 14, 1992 |
| 5044769 |
Temperature sensors |
Sep. 3, 1991 |
| 5022014 |
Ultrasonic temperature sensors, and ultrasonic waveguide connectors for use therewith |
Jun. 4, 1991 |
| 5016474 |
Ultrasonic transducer |
May. 21, 1991 |
| 4972178 |
Fire monitoring system |
Nov. 20, 1990 |
| 4876889 |
Acoustic humidity sensor |
Oct. 31, 1989 |
| 4863280 |
Integral temperature measurement in electrical machines, transformers and energy conversion systems |
Sep. 5, 1989 |
| 4848924 |
Acoustic pyrometer |
Jul. 18, 1989 |
| 4816634 |
Method and apparatus for measuring strong microwave electric field strengths |
Mar. 28, 1989 |
| 4772131 |
Signal processing apparatus for ultrasonic thermometers |
Sep. 20, 1988 |
| 4676663 |
Arrangement for remote ultrasonic temperature measurement |
Jun. 30, 1987 |
| 4655992 |
Remote temperature measurement |
Apr. 7, 1987 |
| 4655608 |
Non-perturbing beam deflection system and method for high repetition rate temperature measurement of combustion flames |
Apr. 7, 1987 |
| 4650346 |
Arrangement for ultrasonic temperature measurement using a resonant sensor |
Mar. 17, 1987 |
| 4610551 |
Ultrasonic temperature sensor |
Sep. 9, 1986 |
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