Cross-Band Communications in an Implantable Device
First Claim
1. An ambulatory monitoring device comprising:
- a sensor to monitor a physiological signal of a subject;
a battery power source;
a wireless receiver adapted to monitor a first frequency band having frequencies below 1 MHz, the wireless receiver configured to detect and receive, using less than 10 micro-amps of current from the battery power source when operating, wireless communications within the first frequency band from a remote device when the monitoring device is at least 1 meter from the remote device; and
a wireless transmitter adapted to transmit—
after receipt from the remote device of a first wireless communication within the first frequency band that includes an invitation for further communication—
a second wireless communication in a second frequency band having frequencies above 10 MHz, the second wireless communication comprising data indicative of the physiological signal as sensed by the sensor.
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Abstract
An ambulatory monitoring device includes a sensor to monitor a physiological signal and a battery power source. The device also includes a wireless receiver adapted to monitor a first frequency band having frequencies below 1 MHz and configured to detect and receive, using less than 10 micro-amps of current from the battery power source when operating, wireless communications within the first frequency band from a remote device at least one meter away. The device further includes a wireless transmitter adapted to transmit—after receipt from the remote device of a first wireless communication within the first frequency band that includes an invitation for further communication—a second wireless communication in a second frequency band having frequencies above 10 MHz, the second wireless communication comprising data indicative of the physiological signal as sensed by the sensor.
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Citations
19 Claims
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1. An ambulatory monitoring device comprising:
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a sensor to monitor a physiological signal of a subject; a battery power source; a wireless receiver adapted to monitor a first frequency band having frequencies below 1 MHz, the wireless receiver configured to detect and receive, using less than 10 micro-amps of current from the battery power source when operating, wireless communications within the first frequency band from a remote device when the monitoring device is at least 1 meter from the remote device; and a wireless transmitter adapted to transmit—
after receipt from the remote device of a first wireless communication within the first frequency band that includes an invitation for further communication—
a second wireless communication in a second frequency band having frequencies above 10 MHz, the second wireless communication comprising data indicative of the physiological signal as sensed by the sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for monitoring an ambulatory subject, comprising:
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a remote device capable of wireless communication; and an implantable medical device for implantation in the ambulatory subject that includes; a sensor to monitor a physiological signal of the subject; a battery power source; a wireless receiver adapted to monitor a first frequency band having frequencies below 1 MHz, the wireless receiver configured to detect and receive, using less than 10 micro-amps of current from the battery power source when operating, wireless communications within the first frequency band from the remote device when the monitoring device is at least one meter from the remote device; and a wireless transmitter adapted to transmit—
after receipt from the remote device of a first wireless communication within the first frequency band that includes an invitation for further communication—
a second wireless communication in a second frequency band having frequencies above 10 MHz, the second wireless communication comprising data indicative of the physiological signal as sensed by the sensor. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification