3684874

Information

• Patent Grant
• 3684874

• References
• Source

• Patent Number

  3,684,874

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • G05B19/371 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05B2219/34098 - Slope fitting, fairing contour, curve fitting, transition
  • G05B2219/42237 - Pwm pulse width modulation, pulse to position modulation ppm
  • G05B2219/50334 - Tool offset, diameter correction
  • G05B2219/50336 - Tool, probe offset for curves, surfaces, contouring

• US Classifications

  • 318 - Electricity: motive power systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 700 - Data processing: generic control systems or specific applications