3608993

Information

• Patent Grant
• 3608993

• References
• Source

• Patent Number

  3,608,993

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1971
  53 years ago

• CPC

  • G03H1/34 - Systems for reducing the space-spatial bandwidth product
  • G03B35/24 - using apertured or refractive resolving means on screens or between screen and eye
  • Y10S359/90 - Methods

• US Classifications

  • 359 - Optical: systems and elements
  • 396 - Photography