NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login

Press Enter or click the Search button to begin your search.

Back to Results
Vibrophonocardiograph PatentVibrophonocardiograph comprising low weight and small volume piezoelectric microphone with amplifier having high imput impedance for high sensitivity and low frequency response
Document ID
19710017758
Acquisition Source
Legacy CDMS
Document Type
Other - Other
Authors
Barker, P. (North American Aviation, Inc. Downey, CA, United States)
Wright, L. N. (North American Aviation, Inc. Downey, CA, United States)
Date Acquired
August 6, 2013
Publication Date
February 16, 1971
Subject Category
Biotechnology
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-720041
Patent Number: NASA-CASE-XFR-07172
Patent Number: US-PATENT-3,563,232
Accession Number
71N27234
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-XFR-07172|US-PATENT-3,563,232
Patent Application
US-PATENT-APPL-SN-720041

Related Records

There are no records associated with this record.
No Preview Available