2199082

Information

• Patent Grant
• 2199082

• References
• Source

• Patent Number

  2,199,082

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1940
  84 years ago

• CPC

  • G01J5/08 - Optical features
  • G01J5/0806 - using focussing or collimating elements
  • G01J5/0856 - Slit arrangements
  • G01J5/026 - Control of working procedures of a pyrometer, other than calibration ; Detecting failures in the functioning of a pyrometer; Bandwidth calculation; Gain control; Security control

• US Classifications

  • 374 - Thermal measuring and testing
  • 136 - Batteries: thermoelectric and photoelectric