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Combined PAM/PCM audio switching systemSystem is well suited to PBX telephone exchange. Economic electronic changing offers extensive conference capability in telephone communication. System may be used for party to party calls as well.
Document ID
19770000029
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Abbey, D. L. (Rockwell Intern. Corp.)
Date Acquired
August 8, 2013
Publication Date
June 1, 1977
Publication Information
Publication: NASA Tech Briefs
Volume: 2
Issue: 1
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
KSC-11015
Report Number: KSC-11015
ISSN: 0145-319X
Accession Number
77B10029
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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