3426147

Information

• Patent Grant
• 3426147

• References
• Source

• Patent Number

  3,426,147

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1969
  55 years ago

• CPC

  • H01J31/24 - with screen acting as light valve by shutter operation
  • G02B26/00 - Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light
  • H01J29/12 - acting as light valves by shutter operation

• US Classifications

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