3506921

Information

• Patent Grant
• 3506921

• References
• Source

• Patent Number

  3,506,921

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  54 years ago

• CPC

  • G05D15/01 - characterised by the use of electric means
  • H02P5/48 - by comparing mechanical values representing the speeds
  • H02P5/485 - using differential movement of the two motors
  • H03K3/013 - Modifications of generator to prevent operation by noise or interference
  • H03K21/02 - Input circuits
  • Y10T83/202 - With product handling means

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 083 - Cutting
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 700 - Data processing: generic control systems or specific applications