3667830

Information

• Patent Grant
• 3667830

• References
• Source

• Patent Number

  3,667,830

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • H04N5/7425 - the modulator being a dielectric deformable layer controlled by an electron beam
  • H01J29/12 - acting as light valves by shutter operation

• US Classifications

  • 359 - Optical: systems and elements
  • 313 - Electric lamp and discharge devices
  • 348 - Television