2807764

Information

• Patent Grant
• 2807764

• References
• Source

• Patent Number

  2,807,764

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1957
  67 years ago

• CPC

  • H02P7/00 - Arrangements for regulating or controlling the speed or torque of electric DC motors
  • G05B24/02 - electric
  • G05D3/16 - whose output amplitude can only take a number of discrete values
  • H02P25/32 - using discharge tubes

• US Classifications

  • 318 - Electricity: motive power systems