Apnea monitoring system
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United States of America Patent
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Apr 8, 1986
Issued Date -
N/A
app pub date -
Oct 12, 1984
filing date -
Jun 14, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for monitoring respiration and heartbeat and for processing electrical signals representative thereof, including circuits for developing a phase-shifted and amplitude-offset respiration signal for comparison with an original respiration signal for compensating for signal drift, and circuits for logically combining signals representative of the presence of respiration and heartbeat for eliminating certain false indications which may occur when only heartbeat exists.
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