System for Monitoring a Physical Parameter of a Subject
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United States of America Patent
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N/A
Issued Date -
Oct 23, 2008
app pub date -
Jun 28, 2006
filing date -
Jun 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for monitoring a physical parameter of a subject includes a sensor, a transmitter, a repeater, and a base station. The sensor is located within the body of the subject and is operable to sense a physical parameter of the subject. The transmitter is electrically connected to the sensor, and is operable to transmit a spread spectrum encoded signal using a digital spreading code, the encoded signal carrying information indicative of the sensed physical parameter and being transmitted to a local region outside the body. The repeater is located in the local region, is movable with the subject, and is operable to receive the transmitted encoded signal and retransmit it to a remote region outside the body. The base station is located in the remote region and is operable to receive and decode the retransmitted encoded signal.
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