3090902

Information

• Patent Grant
• 3090902

• References
• Source

• Patent Number

  3,090,902

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1963
  61 years ago

• CPC

  • H02P7/305 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • Y10S388/913 - Saturable reactor, space discharge device, or magnetic amplifier

• US Classifications

  • 388 - Electricity: motor control systems
  • 318 - Electricity: motive power systems