3909654

Information

• Patent Grant
• 3909654

• References
• Source

• Patent Number

  3,909,654

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • H01J29/458 - pyroelectrical targets; targets for infra-red or ultra-violet or X-ray radiations
  • H01J29/89 - Optical or photographic arrangements structurally combined or co-operating with the vessel
  • H01J31/49 - Pick-up adapted for an input of electromagnetic radiation other than visible light and having an electric output
  • H01J2229/893 - using lenses

• US Classifications

  • 313 - Electric lamp and discharge devices