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Class Information
Number: 374/184
Name: Thermal measuring and testing > Temperature measurement (e.g., thermometer) > By electrical or magnetic heat sensor > By current modifying sensor > Reactive element (e.g., capacitive)
Description: Subject matter wherein the temperature is sensed by a variation in the ratio of the voltage drop across the sensor to the quadrature current through the sensor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7607829 |
Resonance tag with temperature sensor |
Oct. 27, 2009 |
| 7517140 |
Techniques for precision testing of thermal interface materials |
Apr. 14, 2009 |
| 7413343 |
Apparatus for determining a temperature sensing element |
Aug. 19, 2008 |
| 7134785 |
Capacitance temperature sensor and temperature measuring device |
Nov. 14, 2006 |
| 7114848 |
Environment sensor |
Oct. 3, 2006 |
| 6923572 |
Data acquisition device using radio frequency identification (RFID) system |
Aug. 2, 2005 |
| 6773158 |
Resonant circuit for measuring temperature profile of a semiconductor substrate |
Aug. 10, 2004 |
| 6769804 |
Temperature measuring method, object detecting method and object detecting device with vibrating-type level sensor |
Aug. 3, 2004 |
| 6278379 |
System, method, and sensors for sensing physical properties |
Aug. 21, 2001 |
| 6217211 |
Temperature measuring and monitoring |
Apr. 17, 2001 |
| 6130414 |
Systems and methods for controlling semiconductor processing tools using measured current flow to the tool |
Oct. 10, 2000 |
| 6111520 |
System and method for the wireless sensing of physical properties |
Aug. 29, 2000 |
| 6091255 |
System and method for tasking processing modules based upon temperature |
Jul. 18, 2000 |
| 5862170 |
Temperature measurement method using temperature coefficient timing for resistive or capacitive sensors |
Jan. 19, 1999 |
| 5788376 |
Temperature sensor |
Aug. 4, 1998 |
| 5694046 |
Method and apparatus for monitoring thermal processing of a workpiece in accordance with a measured capacitance frequency distribution |
Dec. 2, 1997 |
| 5613778 |
Method for collecting liquid temperature data from a fuel tank |
Mar. 25, 1997 |
| 5611623 |
Apparatus for collecting liquid temperature data from a fuel tank |
Mar. 18, 1997 |
| 5576224 |
Method for manufacturing a monitor element |
Nov. 19, 1996 |
| 5466614 |
Structure and method for remotely measuring process data |
Nov. 14, 1995 |
| 5466614 |
Structure and method for remotely measuring process data |
Nov. 14, 1995 |
| 5451786 |
Uncooled mis capacitor for infrared detection |
Sep. 19, 1995 |
| 5407276 |
Diamond temperature and radiation sensor |
Apr. 18, 1995 |
| 5257864 |
Temperature detector |
Nov. 2, 1993 |
| 5228781 |
Thermometer |
Jul. 20, 1993 |
| 4950084 |
Capacitive sensor |
Aug. 21, 1990 |
| 4897584 |
Device and method for detecting the coil temperature of a direct-current motor, especially a brushless direct-current motor |
Jan. 30, 1990 |
| 4883366 |
Temperature sensor |
Nov. 28, 1989 |
| 4874252 |
Electronic thermometer |
Oct. 17, 1989 |
| 4861168 |
Electronic thermometer |
Aug. 29, 1989 |
| 4841458 |
Analog to digital conversion by measuring the ratio of RC time constants |
Jun. 20, 1989 |
| 4818895 |
Direct current sense lead |
Apr. 4, 1989 |
| 4795968 |
Gas detection method and apparatus using chemisorption and/or physisorption |
Jan. 3, 1989 |
| 4724428 |
Thermocouple jacket monitor |
Feb. 9, 1988 |
| 4715043 |
Cross-coil type indicating instrument |
Dec. 22, 1987 |
| 4703886 |
Heat/cool comfort controller |
Nov. 3, 1987 |
| 4628301 |
Electrical circuit arrangements |
Dec. 9, 1986 |
| 4576781 |
Temperature threshold detectors |
Mar. 18, 1986 |
| 4545254 |
Materials and methods for pressure and temperature sensors at cryogenic temperatures |
Oct. 8, 1985 |
| 4461584 |
Electronic clinical thermometer |
Jul. 24, 1984 |
| 4432232 |
Device and method for measuring the coefficient of performance of a heat pump |
Feb. 21, 1984 |
| 4411536 |
Bi-directional temperature excursion sensing and locating apparatus |
Oct. 25, 1983 |
| 4372693 |
Temperature excursion sensing and locating apparatus |
Feb. 8, 1983 |
| 4371272 |
Thermodetector |
Feb. 1, 1983 |
| 4164147 |
Temperature sensing apparatus |
Aug. 14, 1979 |
| 4095469 |
Temperature measuring apparatus |
Jun. 20, 1978 |
| 4095468 |
Two core magnetic temperature sensor |
Jun. 20, 1978 |
| 4065715 |
Pulse duration modulated signal transducer |
Dec. 27, 1977 |
| 3995488 |
Dielectric change sensing device |
Dec. 7, 1976 |
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