Implant communication system with frequency shift means
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United States of America Patent
Stats
-
Aug 6, 1985
Grant Date -
N/A
app pub date -
Jan 3, 1984
filing date -
Jan 3, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An implant communication system is disclosed for use with an enclosure having a tuned coil mounted therein that is implanted in a patient. A low impedance shunt circuit is connected across the tuned coil, with the impedance of the shunt circuit being modulated in accordance with a data signal. The tuned coil reradiates the phase and amplitude of an externally generated magnetic carrier signal at a selected frequency. A second shunt circuit is connected across the tuned coil for changing its tuning, to enable the tuned frequency to correspond to the selected frequency.
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Family
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Cited Art Landscape
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