3851264

Information

• Patent Grant
• 3851264

• References
• Source

• Patent Number

  3,851,264

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • A61B5/0006 - ECG or EEG signals
  • A61B5/0476 - Electroencephalography
  • H03C3/18 - the element being a current-dependent inductor
  • H03D3/02 - by detecting phase difference between two signals obtained from input signal
  • H04M11/002 - with telemetering systems

• US Classifications

  • 329 - Demodulators
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems