3438022

Information

• Patent Grant
• 3438022

• References
• Source

• Patent Number

  3,438,022

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1969
  55 years ago

• CPC

  • G09G3/02 - by tracing or scanning a light beam on a screen
  • B41M5/283 - Inorganic thermochromic compounds
  • G02F1/0147 - based on thermo-optic effects
  • G09F13/42 - with light sources activated by non-visible radiation
  • G09F19/205 - Special effects using different wavelengths
  • G09G3/001 - using specific devices not provided for in groups G09G3/02 - G09G3/36
  • Y10S348/902 - Photochromic

• US Classifications

  • 345 - Computer graphics processing and selective visual display systems
  • 040 - Card, picture, or sign exhibiting
  • 250 - Radiant energy
  • 346 - Recorders
  • 348 - Television
  • 359 - Optical: systems and elements
  • 365 - Static information storage and retrieval