3831165

Information

• Patent Grant
• 3831165

• References
• Source

• Patent Number

  3,831,165

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • B23K26/009 - using a non-absorbing
  • B23K26/066 - by using masks
  • B23K26/18 - using absorbing layers on the workpiece
  • B41M5/283 - Inorganic thermochromic compounds
  • G01R13/204 - Using means for generating permanent registrations
  • G09G3/02 - by tracing or scanning a light beam on a screen
  • H01J29/10 - Screens on or from which an image or pattern is formed, picked up, converted or stored
  • B23K2201/007 - Marks

• US Classifications

  • 345 - Computer graphics processing and selective visual display systems
  • 347 - Incremental printing of symbolic information
  • 359 - Optical: systems and elements