3644721

Information

• Patent Grant
• 3644721

• References
• Source

• Patent Number

  3,644,721

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • G06F7/605 - Additive or subtractive mixing of two pulse rates into one
  • H02P23/08 - Controlling based on slip frequency
  • H03B21/00 - Generation of oscillations by combining unmodulated signals of different frequencies

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems