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Heart-Rate and Breath-Rate MonitorCircuit requiring only four integrated circuits (IC's) measures both heart rate and breath rate. Phase-locked loops lock on heart-rate and respiration-rate input signals. Each loop IC contains two phase comparators. Positive-edge-triggered circuit used in making monitors insensitive to dutycycle variations.
Document ID
19830000045
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Cooper, T. G. (Narco Scientific)
Date Acquired
August 11, 2013
Publication Date
August 1, 1983
Publication Information
Publication: NASA Tech Briefs
Volume: 7
Issue: 3
ISSN: 0145-319X
Subject Category
Life Sciences
Report/Patent Number
MSC-20078
Accession Number
83B10045
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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