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Phonocardiograph system monitors heart soundsPhonocardiograph system monitors the mechanical activity of the heart in extreme environments. It uses a piezoelectric-crystal microphone with an integral preamplifier, and a signal conditioner having special frequency characteristics. The output signals can be recorded on tape, presented aurally, or transmitted telemetrically to a remote station.
Document ID
19660000153
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Date Acquired
August 3, 2013
Publication Date
April 1, 1966
Subject Category
Life Sciences
Report/Patent Number
Report Number: MSC-185
MSC-185
Accession Number
66B10154
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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