Position sensitive power transfer antenna
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United States of America Patent
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-
May 24, 1994
Grant Date -
N/A
app pub date -
Dec 6, 1991
filing date -
Dec 6, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power supply implanted behind a tissue barrier in a human body and operating a medical device and incorporating a high frequency power receiver antenna coil; a transmitter having a high frequency transmitter antenna coil generating high frequency power and transmitting the power from the transmitting coil to the implanted receiver coil; an implanted non-ferrous magnet affixed within the implanted annular receiver coil; and a magnetic field sensing device or magnetically operated reed switch affixed concentrically within the transmitter coil of the transmitter and controlling transmission of high frequency power from the transmitter to the implanted power supply.
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