3331277

Information

• Patent Grant
• 3331277

• References
• Source

• Patent Number

  3,331,277

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1967
  58 years ago

• CPC

  • G09F9/405 - the selected character being projected on a common screen accommodating only one character at a time, to provide the same display position for all characters
  • G03B21/00 - Projectors or projection-type viewers Accessories therefor

• US Classifications

  • 353 - Optics: image projectors
  • 340 - Communications: electrical
  • 359 - Optical: systems and elements