3790267

Information

• Patent Grant
• 3790267

• References
• Source

• Patent Number

  3,790,267

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1974
  51 years ago

• CPC

  • G03B21/06 - affording only episcopic projection
  • G02B13/10 - involving prisms
  • G02B27/54 - Schlieren-optical systems
  • H04N9/31 - Projection devices for colour picture display

• US Classifications

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