3465223

Information

• Patent Grant
• 3465223

• References
• Source

• Patent Number

  3,465,223

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1969
  55 years ago

• CPC

  • H02P5/50 - by comparing electrical values representing the speeds
  • Y10S388/912 - Pulse or frequency counter
  • Y10S388/923 - Specific feedback condition or device

• US Classifications

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