3778692

Information

• Patent Grant
• 3778692

• References
• Source

• Patent Number

  3,778,692

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  51 years ago

• CPC

  • D05B69/18 - electric
  • G01D5/145 - influenced by the relative movement between the Hall device and magnetic fields
  • G01R33/07 - Hall effect devices
  • G05B19/063 - for sequential programme-control without delivering a reference value
  • G05B19/066 - for delivering "step function", a slope function or a continuous function

• US Classifications

  • 388 - Electricity: motor control systems
  • 324 - Electricity: measuring and testing