3553681

Information

• Patent Grant
• 3553681

• References
• Source

• Patent Number

  3,553,681

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  53 years ago

• CPC

  • G06K15/22 - using plotters
  • G06K11/00 - Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters
  • G06K11/02 - Automatic curve followers
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/192 - Measuring systems
  • H03M2201/2133 - with directional discrimination
  • H03M2201/2181 - using variable reluctance
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/412 - representing linear position
  • H03M2201/4125 - representing angular position
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6114 - Manual
  • H03M2201/6121 - Automatic
  • H03M2201/70 - Additional functions
  • H03M2201/93 - Constructional details

• US Classifications

  • 382 - Image analysis
  • 033 - Geometrical instruments