Telemetry apparatus and method for implantable tissue stimulator
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United States of America Patent
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Oct 22, 1991
Grant Date -
N/A
app pub date -
Feb 20, 1990
filing date -
Feb 20, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved telemetry system for telemetering digital data from an implantable tissue stimulator such as a heart pacemaker. A carrier signal is pulse modulated in accordance with either or both of stored digital data and a digitized electrocardiogram signal, for coupling onto an electrical lead connected directly to the heart. This arrangement facilitates the transmission of substantially higher data rates than previously could be achieved.
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