Analog and digital telemetry system for an implantable device
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United States of America Patent
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-
Jul 21, 1987
Grant Date -
N/A
app pub date -
Apr 5, 1985
filing date -
Apr 5, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an implantable device, transmission and reception of digital information is accomplished as well as the transmission and reception of analog information. The analog signal is FM modulated for transmission and the digital signal is phase modulated for transmission. The FM modulated signal is used as a clock in the phase encoding of the digital signal and thus provides a signal simultaneously carrying analog and digital information. Means for reception of the analog and digital information is taught. The use of PSK (phase shift keying) as the phase modulation scheme for transmission and reception is also taught.
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