Telemetry duty cycle management system for an implantable medical device
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United States of America Patent
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Oct 25, 2011
Grant Date -
Jun 17, 2010
app pub date -
Feb 26, 2010
filing date -
Dec 19, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An implantable medical device comprising a far field RF transmitter and receiver, a controller circuit communicatively coupled to the RF transmitter and receiver, and a wakeup timer circuit integral to, or communicatively coupled to, the controller. The controller is configured to initiate power up of the RF transmitter and receiver during a wakeup interval defined by the wakeup timer circuit, detect a digital key received from a second device during the wakeup interval, transmit a response using the RF transmitter when the digital key is received, and receive a communication from the second device and resynchronize the wake-up timer according to a time of the communication.
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