2943251

Information

• Patent Grant
• 2943251

• References
• Source

• Patent Number

  2,943,251

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1960
  64 years ago

• CPC

  • G05B19/238 - the positional error is only used to control speed in steps according to distance left, or to give a stop signal when error reaches zero
  • G05B2219/34058 - Up-down
  • G05B2219/36366 - Data, read in, distribution
  • G05B2219/36575 - On tape reference and command signals
  • 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
  • 409 - Gear cutting, milling, or planing