Transcutaneous energy and information transmission apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 20, 1997
Grant Date -
N/A
app pub date -
Jan 19, 1995
filing date -
Jan 19, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for transcutaneously transmitting power and communication signals to an implantable device. The apparatus can include generators for power and information signals; receivers; and a coupler for independently coupling the power signal and a first information signal. An internal unit can have receivers for power and information signals; a second signal generator; and an independent coupler. The first and second information signal can be transmitted at a frequency greater than the power frequency. The external unit can also include a signal conditioner for symmetrically transceiving the first and second information signals; and an external data controller for symmetrically controlling the information signals. The internal unit can also include a voltage regulator converter; an internal signal conditioner for symmetrically transceiving the information signals; and a data controller. Symmetrically controlling can include ASK modulation of a data signal upon an RF carrier signal.
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