3429989

Information

• Patent Grant
• 3429989

• References
• Source

• Patent Number

  3,429,989

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  55 years ago

• CPC

  • G06F3/002 - Specific input/output arrangements not covered by G06F3/02 - G06F3/16
  • G06K9/30 - using automatic curve following means
  • G06K11/00 - Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters
  • G06K11/02 - Automatic curve followers

• US Classifications

  • 382 - Image analysis
  • 250 - Radiant energy