3520589

Information

• Patent Grant
• 3520589

• References
• Source

• Patent Number

  3,520,589

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1970
  54 years ago

• CPC

  • H04N9/31 - Projection devices for colour picture display
  • G02F1/0333 - addressed by a beam of charged particles
  • G02F1/0525 - addressed by a beam of charged particles
  • H01J29/39 - Charge-storage screens
  • H04N5/74 - Projection arrangements for image reproduction
  • H04N5/7425 - the modulator being a dielectric deformable layer controlled by an electron beam

• US Classifications

  • 359 - Optical: systems and elements
  • 348 - Television