3612976

Information

• Patent Grant
• 3612976

• References
• Source

• Patent Number

  3,612,976

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  53 years ago

• CPC

  • G05B19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools
  • G05B19/39 - using a combination of the means covered by at least two of the preceding sub-groups G05B19/21, G05B19/27, and G05B19/33
  • G05B2219/33268 - D-A, A-D
  • G05B2219/35436 - Means, manual input, input reference, hand wheel
  • G05B2219/35481 - Display, panel
  • G05B2219/36366 - Data, read in, distribution
  • G05B2219/41363 - Excess in error, error too large, follow up error
  • G05B2219/42118 - Breaking of control loop, closing open control loop
  • G05B2219/43194 - Speed steps, switch over as function of position
  • G05B2219/50018 - Zero point floating

• US Classifications

  • 318 - Electricity: motive power systems
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 700 - Data processing: generic control systems or specific applications