3491277

Information

• Patent Grant
• 3491277

• References
• Source

• Patent Number

  3,491,277

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • G05B19/351 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05B2219/41461 - Phase counter and phase discriminator, phase locked motion
  • G05B2219/49169 - Compensation for temperature, bending of tool
  • Y10S82/90 - Lathe thermal regulation
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]

• US Classifications

  • 318 - Electricity: motive power systems
  • 082 - Turning
  • 409 - Gear cutting, milling, or planing
  • 700 - Data processing: generic control systems or specific applications