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Spread spectrum telemetry of physiological signals

  • US 20020067269A1
  • Filed: 05/25/2001
  • Published: 06/06/2002
  • Est. Priority Date: 01/17/1996
  • Status: Abandoned Application
First Claim
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1. A system for monitoring a patient via physiological data comprising:

  • a mobile transmitter including a sensor interface for coupling to sensors disposed on the patient for collecting physiological data therefrom, a digital controller having an input for analogue data from the sensor interface, an output for serial digital data derived from analogue data and an optical receiver and transmitter for establishing a bi-direction optical link for receiving mobile transmitter configuration data, and a radio frequency transmitter for radio transmission of the serial digital data in dependence upon stored mobile transmitter configuration data; and

    a base station including an antenna array for receiving the wireless transmission from the mobile transmitter, a receiver including an input coupled to the antenna array, an interface having an output for digital data derived from the radio transmission and an input of mobile transmitter configuration data, and an optical receiver and transmitter for establishing a bi-direction optical link for transmitting mobile transmitter configuration data to an adjacent mobile transmitter, and a monitor coupled to the interface for display of the physiological data and for effecting transfer of mobile transmitter configuration data via the bi-directional optical link during operation of the mobile transmitter.

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