3531991

Information

• Patent Grant
• 3531991

• References
• Source

• Patent Number

  3,531,991

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1970
  54 years ago

• CPC

  • G01J5/08 - Optical features
  • G01J5/0846 - using multiple detectors for performing different types of detection
  • G01J5/0887 - Integrating cavities mimicking black bodies, wherein the heat propagation between the black body and the measuring element does not occur within a solid; Use of bodies placed inside the fluid stream for measurement of the temperature of gases; Use of the reemission from a surface
  • G01W1/17 - Catathermometers for measuring "cooling value" related either to weather conditions or to comfort of other human environment
  • G01J2005/0092 - Temperature by averaging

• US Classifications

  • 374 - Thermal measuring and testing
  • 073 - Measuring and testing