Demand cardiac pacemaker having reduced polarity disparity
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United States of America Patent
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-
Jun 30, 1981
Grant Date -
N/A
app pub date -
Nov 6, 1978
filing date -
Nov 6, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cardiac pacemaker of the type responsive to a natural heart activity for affecting the operation of the pacemaker. Circuitry is provided which has an essentially polarity independent degree of response to sensed signals. In a preferred embodiment, the circuitry includes a differential input and a differential output, the output signals being of opposite polarity but of the same absolute value and being representative of sensed signals.
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