3612977

Information

• Patent Grant
• 3612977

• References
• Source

• Patent Number

  3,612,977

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  53 years ago

• CPC

  • G08C19/48 - being the type with a three-phase stator and a rotor fed by constant-frequency ac
  • G08C19/46 - of which both rotor and stator carry windings
  • H03M1/50 - with intermediate conversion to time interval
  • H03M1/645 - for position encoding

• US Classifications

  • 318 - Electricity: motive power systems