Personal monitor and method for monitoring a biomedical condition in the presence of interference

  • US 5,913,827 A
  • Filed: 07/18/1996
  • Issued: 06/22/1999
  • Est. Priority Date: 03/19/1993
  • Status: Expired due to Term
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First Claim
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1. A monitor for determining and displaying a biomedical condition including:

  • sensor means for sensing a biomedical condition and producing an output,a transmitting means including means for producing a first identification signal identifying said transmitting means and means for using said sensor output to produce a second signal used to determine a biomedical condition, said transmitting means including a transmitter for wirelessly and repeatedly transmitting said first and second signals to a receiver over a first frequency,a receiver for receiving said first identification signal and said second signal, as well as interfering signals, if any,identification means using said received first identification signal to determine if said second signal is from said transmitting means thereby overcoming the effect of said interfering signals,means for rejecting said second signal if it is not from said transmitting means,means using said second signal to determine said biomedical condition, anda display means for displaying said biomedical condition if said second signal is from said transmitting means.

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