IMPLANTED SENSOR PROCESSING SYSTEM AND METHOD FOR PROCESSING IMPLANTED SENSOR OUTPUT
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United States of America Patent
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Mar 13, 2017
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Jun 29, 2000
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Abstract
A quantitative measurement system includes an external unit and an internal unit and is provided for obtaining quantitative analyte measurements, such as within the body. In one example application, the internal unit would be implanted either subcutaneously or otherwise within the body of a subject. The internal unit contains optoelectronics circuitry, a component of which may be comprised of a fluorescence sensing device. The optoelectronics circuitry obtains quantitative measurement information and modifies a load as a function of the obtained information. The load in turn varies the amount of current through coil, which is coupled to a coil of the external unit. A demodulator detects the current variations induced in the external coil by the internal coil coupled thereto, and applies the detected signal to processing circuitry, such as a pulse counter and computer interface, for processing the signal into computer-readable format for inputting to a computer.
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