3858446

Information

• Patent Grant
• 3858446

• References
• Source

• Patent Number

  3,858,446

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • H03D3/02 - by detecting phase difference between two signals obtained from input signal
  • G01P5/18 - by measuring the time taken to traverse a fixed distance
  • G01P5/248 - by measuring phase differences

• US Classifications

  • 073 - Measuring and testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems