2853664

Information

• Patent Grant
• 2853664

• References
• Source

• Patent Number

  2,853,664

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1958
  67 years ago

• CPC

  • G05B19/291 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05D3/127 - with electrical contact
  • G05B2219/41106 - Coarse fine take over, transition, switch over
  • 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
  • 235 - Registers
  • 341 - Coded data generation or conversion
  • 409 - Gear cutting, milling, or planing