Method for wireless communication transfer with an implanted medical device
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United States of America Patent
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-
Sep 17, 2002
Grant Date -
N/A
app pub date -
Apr 26, 1999
filing date -
Nov 1, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed herein is a method and apparatus for wireless communication with a medical device implanted in the human body. In the method disclosed herein an information input signal undergoes an angle modulation in a transmitter and reaches a receiver through a transmission channel. Angle modulated information carrying pulses with a frequency spectrum are generated. The pulses are time compressed in the receiver using a filter with frequency dependent transit time. The pulses are created with shortened duration and increased amplitude compared to emitted pulses. The pulses on the transmitter side are imprinted with at least part of information constituting a message using a further modulation or encoding procedure of telecommunications. At least part of the information constituting the message is additionally imprinted onto the angle modulation.
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