3639907

Information

• Patent Grant
• 3639907

• References
• Source

• Patent Number

  3,639,907

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  53 years ago

• CPC

  • A61B5/0006 - ECG or EEG signals
  • A61B5/0464 - Detecting tachycardy or brachycardy
  • G06K17/0022 - arrangements or provisious for transferring data to distant stations
  • G07C9/00111 - the pass performing a presence indicating function
  • H04Q9/10 - using single different frequencies
  • Y10S128/903 - Radio telemetry

• US Classifications

  • 340 - Communications: electrical
  • 128 - Surgery
  • 346 - Recorders