3902012

Information

• Patent Grant
• 3902012

• References
• Source

• Patent Number

  3,902,012

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1975
  49 years ago

• CPC

  • G09G1/26 - using storage tubes
  • H01J29/12 - acting as light valves by shutter operation
  • H01J31/24 - with screen acting as light valve by shutter operation

• US Classifications

  • 348 - Television
  • 313 - Electric lamp and discharge devices
  • 356 - Optics: measuring and testing
  • 359 - Optical: systems and elements