3461290

Information

• Patent Grant
• 3461290

• References
• Source

• Patent Number

  3,461,290

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1969
  56 years ago

• CPC

  • G01J5/06 - Arrangements for eliminating effects of disturbing radiation
  • G01J5/02 - Details
  • G01J5/0205 - Mechanical elements; Supports for optical elements
  • G01J5/0295 - Nulling devices or absolute detection
  • G01J5/04 - Casings Mountings
  • G01J5/061 - using cooling or thermostating of parts of the apparatus
  • G01J5/08 - Optical features
  • G01J5/0853 - using infrared absorbers other than the usual absorber layers deposited on infrared detectors like bolometers, wherein the heat propagation between the absorber and the detecting element occurs within a solid
  • G01J5/24 - Use of a specially-adapted circuit

• US Classifications

  • 250 - Radiant energy
  • 374 - Thermal measuring and testing