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Class Information
Number: 374/112
Name: Thermal measuring and testing > Temperature measurement (e.g., thermometer) > Composite temperature-related paramenter > Plural spaced temperature function > Difference or gradient
Description: Subject matter wherein the resultant measurement is the difference between the temperatures at two of the spaced-apart points or the ratio of such a difference to the distance between the two points.


Sub-classes under this class:

Class Number Class Name Patents
374/114 By current modifying elements in circuit (e.g., bridge) 24
374/113 By thermoelements connected in series opposition 16


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7625118 Circuit for correcting sensor temperature characteristics Dec. 1, 2009
7588366 Heat flow flux type differential scanning calorimeter Sep. 15, 2009
7553070 Infrared NDI for detecting shallow irregularities Jun. 30, 2009
7517140 Techniques for precision testing of thermal interface materials Apr. 14, 2009
7455449 Differential scanning calorimeter Nov. 25, 2008
7438466 Calibrating a thermal scanning system Oct. 21, 2008
7427157 Wind velocity measuring apparatus Sep. 23, 2008
RE40470 Body function measuring apparatus Aug. 26, 2008
7380982 Accurate temperature measurement for semiconductor applications Jun. 3, 2008
7329043 Thermal properties testing apparatus and methods Feb. 12, 2008
7270476 Electronic clinical thermometer with quick temperature estimating device Sep. 18, 2007
7249881 Method and apparatus for characterization of devices and circuits Jul. 31, 2007
7147368 Measuring device for heat pipe Dec. 12, 2006
7119308 Forced-air heater control system and method Oct. 10, 2006
7044637 Temperature measuring apparatus May. 16, 2006
7011444 Fire sensor Mar. 14, 2006
7004625 System and method for temperature sensing and monitoring Feb. 28, 2006
6945691 Method and apparatus for inferring a temperature Sep. 20, 2005
6902317 Method and device for measuring thermoelectric characteristics of combinatorial specimen Jun. 7, 2005
6851260 Shape memory alloy actuator Feb. 8, 2005
6837619 Furnace temperature detector Jan. 4, 2005
6595686 Device for measuring effective temperature Jul. 22, 2003
6579005 Utilization of pyrometer data to detect oxidation Jun. 17, 2003
6398740 Apparatus and method for monitoring the temperatures on the plantar aspects of a human foot and other vital health information Jun. 4, 2002
6293455 Method for producing a reliable BGA solder joint interconnection Sep. 25, 2001
6292685 Temporal artery temperature detector Sep. 18, 2001
6123675 Temperature gradient sensing probe for monitoring hyperthermic medical treatments Sep. 26, 2000
6090050 Thermometric apparatus and method Jul. 18, 2000
6079874 Temperature probes for measuring substrate temperature Jun. 27, 2000
RE36416 Method and apparatus for dynamic and interdependent processing of inbound calls and outbound calls Nov. 30, 1999
5902044 Integrated hot spot detector for design, analysis, and control May. 11, 1999
5841204 Temperature control system and method Nov. 24, 1998
5820263 Apparatus and method for monitoring the temperature of a region of human tissue Oct. 13, 1998
5816706 Method and apparatus for determining internal temperature and coefficient of internal thermal conductivity in a stucture Oct. 6, 1998
5803608 Method for generating a signal responsive to the induction air temperature of an internal combustion engine Sep. 8, 1998
5615733 On-line monitoring system of a simulated heat-exchanger Apr. 1, 1997
5524483 Methods for locating oil or gas deposits employing earth surface temperatures Jun. 11, 1996
5484206 Method and apparatus for sensing a cold junction temperature Jan. 16, 1996
5384716 Occupant condition determining apparatus Jan. 24, 1995
5263775 Apparatus for handling devices under varying temperatures Nov. 23, 1993
5117689 Microwave temperature profiler for clear air turbulence prediction Jun. 2, 1992
5061083 Temperature monitoring device and thermocouple assembly therefor Oct. 29, 1991
5006867 Recording head for an ink jet recording apparatus having a plurality of temperature detection elements Apr. 9, 1991
4858155 Reaction temperature control system Aug. 15, 1989
4781064 Protection for hydraulic machines Nov. 1, 1988
4773766 Method of measuring temperatures and portable recorder for storing temperature data Sep. 27, 1988
4723066 Apparatus for heating processing liquid Feb. 2, 1988
4722062 Method and apparatus for the control or monitoring of thermal turbomachines based on material stresses Jan. 26, 1988
4624582 Multi-wire mineral insulated cable thermocouple reference junction Nov. 25, 1986
4588253 Infrared collimator May. 13, 1986

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