| 摘要 |
A method for telemetry between an implantable medical device and an external programming component is disclosed. The telemetry circuitry of the implantable device is initially powered on for only a portion of the time needed to receive the entirety of a wake-up signal from the external component. During that time, only a first portion of the wake-up signal as received form the external component is checked against the implantable device's understanding of that first portion as stored in its memory. If the implantable device does not recognize the received first portion, powering on of the telemetry circuitry is terminated. However, if that first portion is recognized, then the implantable device continues to power on the telemetry circuitry to receive another (second) portion of the wake-up signal. If that received second portion is recognized, then the telemetry circuitry is further powered to receive a next (third) portion of the wake-up signal from the external component, etc., until the entirety of the wake-up signal is recognized by the implantable device as having been received.
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