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Patient monitoring system

  • US 6,788,206 B1
  • Filed: 09/05/2002
  • Issued: 09/07/2004
  • Est. Priority Date: 09/05/2002
  • Status: Expired due to Fees
First Claim
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1. A patient monitoring system comprising:

  • (A) a base unit configured to be alternatively mounted to one of a patient chair and a patient bed, the base unit comprising a first transmitter, a first receiver, a circuit, and an alarm generator; and

    wherein the first transmitter transmits a pulsed signal at pre-determined intervals, the first receiver receives a reflected signal, the circuit measures an intensity-independent characteristic of the reflected signal, and the alarm generator generates an alarm signal when the circuit determines that a pre-determined threshold of the reflected signal has been reached; and

    (B) at least one remote unit comprising a second transmitter and a second receiver.

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