2807768

Information

• Patent Grant
• 2807768

• References
• Source

• Patent Number

  2,807,768

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1957
  67 years ago

• CPC

  • H02P7/265 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
  • Y10S388/914 - Thyratron or ignitron

• US Classifications

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