3122691

Information

• Patent Grant
• 3122691

• References
• Source

• Patent Number

  3,122,691

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1964
  60 years ago

• CPC

  • G05B19/416 - characterised by control of velocity, acceleration or deceleration
  • G05B19/4163 - Adaptive control of feed or cutting velocity
  • G05B2219/43139 - VCO variable frequency oscillator or two oscilators with different frequency
  • G05B2219/43188 - Vector speed with feedback
  • Y10T82/2535 - Electrical type

• US Classifications

  • 318 - Electricity: motive power systems
  • 082 - Turning
  • 340 - Communications: electrical