3553556

Information

• Patent Grant
• 3553556

• References
• Source

• Patent Number

  3,553,556

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • H02P25/145 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value, speed feedback
  • H02P7/295 - of the kind having a thyristor or the like in series with the power supply and the motor
  • Y10S388/918 - Trigger by unijunction transistor

• US Classifications

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