Systems and methods for communicating with or providing power to an implantable stimulator
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United States of America Patent
Stats
-
Feb 26, 2013
Grant Date -
Jun 2, 2005
app pub date -
Jan 11, 2005
filing date -
Jun 28, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An exemplary system for communicating with or providing power to an implantable stimulator includes a coil configured to emit a magnetic field for driving a corresponding circuit in the implantable stimulator and a coil driver circuit configured to drive the coil with a tuning frequency. The coil driver circuit actively adjusts the tuning frequency such that the coil operates at a frequency substantially equal to a resonant frequency. An exemplary method of communicating with or providing power to an implantable stimulator includes driving a coil with a tuning frequency and actively adjusting the tuning frequency such that the coil operates at a frequency substantially equal to a resonant frequency. The coil emits a magnetic field used to drive a corresponding circuit in the implantable stimulator.
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