3183421

Information

• Patent Grant
• 3183421

• References
• Source

• Patent Number

  3,183,421

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1965
  59 years ago

• CPC

  • G05B19/231 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05B2219/50019 - Zero, null offset
  • 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
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 409 - Gear cutting, milling, or planing