3893758

Information

• Patent Grant
• 3893758

• References
• Source

• Patent Number

  3,893,758

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • H04N9/31 - Projection devices for colour picture display
  • G02B27/1026 - for use with reflective spatial light modulators
  • G02B27/145 - having sequential partially reflecting surfaces
  • G02F1/0333 - addressed by a beam of charged particles
  • H04N5/74 - Projection arrangements for image reproduction

• US Classifications

  • 353 - Optics: image projectors
  • 348 - Television
  • 359 - Optical: systems and elements