METHOD AND APPARATUS FOR EFFICIENT COMMUNICATION WITH IMPLANTABLE DEVICES

METHOD AND APPARATUS FOR EFFICIENT COMMUNICATION WITH IMPLANTABLE DEVICES

Described herein are methods of making and using and apparatus for wirelessly communicating data and providing power, particularly from a location exterior to a body and to an implantable device disposed within a body with tissue. The described embodiments provide apparatus and methods for efficient...

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Hauptverfasser: Poon Ada Shuk Yan, Meng Teresa H, Yakovlev Anatoly Anatolievich, Pivonka Daniel Michael
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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creator Poon Ada Shuk Yan
Meng Teresa H
Yakovlev Anatoly Anatolievich
Pivonka Daniel Michael
description Described herein are methods of making and using and apparatus for wirelessly communicating data and providing power, particularly from a location exterior to a body and to an implantable device disposed within a body with tissue. The described embodiments provide apparatus and methods for efficiently transfer data and power between an external transceiver and an (implanted) biomedical device. The method is to modulate power carrier, which wirelessly powers the device, using an asynchronous modulation scheme, such as amplitude shift keying (ASK) modulation, with minimal modulation depth in order to not disrupt the power flow. The digital data is encoded in the pulse width, eliminating the need for synchronization to the power carrier signal and further minimizing the power consumption necessary for data transfer. Additionally, a reverse backscatter method for obtaining data from the implant is described that has flexible, low power operation.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title METHOD AND APPARATUS FOR EFFICIENT COMMUNICATION WITH IMPLANTABLE DEVICES
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