System for Monitoring a Physical Parameter of a Subject
First Claim
1. A system for monitoring a physical parameter of a subject, the system comprising:
- a sensor associated with the body of the subject and operable to sense a physical parameter of the subject;
a transmitter electrically connected to the sensor and 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;
a repeater located in the local region and operable to receive the transmitted encoded signal and retransmit it to a remote region outside the body; and
a base station located in the remote region and operable to receive and decode the retransmitted encoded signal, and remotely monitor the physical parameter of the subject.
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Accused Products
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.
143 Citations
33 Claims
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1. A system for monitoring a physical parameter of a subject, the system comprising:
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a sensor associated with the body of the subject and operable to sense a physical parameter of the subject; a transmitter electrically connected to the sensor and 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; a repeater located in the local region and operable to receive the transmitted encoded signal and retransmit it to a remote region outside the body; and a base station located in the remote region and operable to receive and decode the retransmitted encoded signal, and remotely monitor the physical parameter of the subject. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16)
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11. A system for monitoring a physical parameter of a subject, the system comprising:
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a sensor located within the body of the subject and operable to sense a physical parameter of the subject; a transmitter electrically connected to the sensor and operable to transmit a signal to a local region outside the body, the transmitted signal including information indicative of the sensed physical parameter; a repeater located in the local region, movable with the subject, and operable to receive the transmitted signal and retransmit it to a remote region outside the body; and a base station located in the remote region and operable to receive the retransmitted signal, and remotely monitor the physical parameter of the subject. - View Dependent Claims (12, 17, 18, 19, 20)
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21. A system for monitoring core body temperature of a subject, the system comprising:
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a swallowable capsule; a temperature sensor inside the capsule and operable to sense the temperature of the environment in which the capsule is immersed; a transmitter inside the capsule, electrically connected to the temperature sensor, and operable to transmit a radio frequency signal which is indicative of the sensed temperature, the transmitted radio frequency signal being transmitted to a local region outside the body; a repeater attached to the subject and operable to receive the radio frequency signal and retransmit it to a remote region outside the body; and a base station located in the remote region and operable to receive the retransmitted radio frequency signal and monitor the temperature of the capsule environment. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A system for monitoring core body temperature of a subject, the system comprising:
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a swallowable capsule; a temperature sensor inside the capsule and operable to sense the temperature of the environment in which the capsule is immersed; a radio frequency transponder mounted inside the capsule and electrically connected to the temperature sensor, the radio frequency transponder operable in response to an interrogation signal to transmit a radio frequency spread spectrum encoded signal using a digital spreading code, the transmitted encoded signal carrying information indicative of the sensed physical parameter and being transmitted to a local region outside the body; a radio frequency repeater attached to the subject and operable to receive the transmitted encoded signal and retransmit it to a remote region outside the capsule, the repeater providing the activation signal for the transponder; and a base station located in the remote region and operable to receive the retransmitted encoded signal and monitor the temperature of the capsule environment. - View Dependent Claims (32, 33)
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Specification