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Dual frequency transmitter

  • US 20040092837A1
  • Filed: 02/28/2003
  • Published: 05/13/2004
  • Est. Priority Date: 11/09/2002
  • Status: Abandoned Application
First Claim
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1. A transmitter for heart rate monitoring, said transmitter having detection means for detecting a heart rate signal, and heart rate signal processing means for processing the detected heart rate signal into a processed signal, and transmitting means for transmitting a first radio signal having a frequency about 5 kHz and for transmitting a second radio signal at a frequency substantially greater than 5 kHz, said first and said second radio signals corresponding to said processed signal.

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