3663821

Information

• Patent Grant
• 3663821

• References
• Source

• Patent Number

  3,663,821

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • H01J29/36 - Photoelectric screens Charge-storage screens
  • H01J31/49 - Pick-up adapted for an input of electromagnetic radiation other than visible light and having an electric output

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices