3898497

Information

• Patent Grant
• 3898497

• References
• Source

• Patent Number

  3,898,497

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • H01J31/49 - Pick-up adapted for an input of electromagnetic radiation other than visible light and having an electric output
  • H01J29/021 - arrangements for eliminating interferences in the tube

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems