3234542

Information

• Patent Grant
• 3234542

• References
• Source

• Patent Number

  3,234,542

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1966
  58 years ago

• CPC

  • G09F9/30 - in which the desired character or characters are formed by combining individual elements
  • G08B5/36 - using visible light sources
  • G09F9/302 - characterised by the form or geometrical disposition of the individual elements
  • 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
  • G09G3/001 - using specific devices not provided for in groups G09G3/02 - G09G3/36
  • G09G3/04 - for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements
  • H04N3/12 - by switched stationary formation of lamps, photocells or light relays

• US Classifications

  • 345 - Computer graphics processing and selective visual display systems
  • 040 - Card, picture, or sign exhibiting
  • 348 - Television
  • 359 - Optical: systems and elements