Spread spectrum telemetry of physiological signals
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United States of America Patent
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N/A
Issued Date -
Jun 6, 2002
app pub date -
May 25, 2001
filing date -
Jan 17, 1996
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention disclosed is an apparatus, or system, and methodology for power efficient, flexible, data efficient wireless transmission, receipt and interpretation of signals from a patient, such signals reflecting one or more measured physiological and patient specific parameters such as an 10 electrocardiogram, electroencephalogram, electromylogram and/or patient ID. The system includes a mobile transmitter for attachment to a patient, which is a battery powered sensor/transmitter device for transmission of enhanced data transmission rate signals in multiple frequencies within a given frequency band; a receiver for receiving the signals; and a display analysis and/or recording device for interpretation of the 15 received signals. The system operates using a spread spectrum transmission technique which reduces interference with the detection of the transmitted signals. The mobile transmitter and the receiver include corresponding optical components for establishing a duplex optical link allowing for changes to operating characteristics while transmission is occurring.
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