WIRELESS COMMUNICATION OF PHYSIOLOGICAL VARIABLES USING SPREAD SPECTRUM
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United States of America Patent
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May 8, 2015
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Jul 12, 2004
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Abstract
The present invention relates to a system and a method of measuring a physiological variable in a body. A basic idea of the present invention is to measure a physiological variable in a body by means of employing a sensor which is arranged to be disposed in the body for measuring the physiological variable. The sensor must be provided with a supply voltage in order to be operable. Therefore, a control unit disposed outside the body provides this supply voltage to the sensor. The control unit also receives, from the sensor, via a wired connection, signals that represent the physiological variables that are measured. The control unit is arranged with a communication interface and a modulator for wireless spread spectrum communication of the measured physiological variables for presentation purposes.
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