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A telephone multiline signaling systemTelephone system interconnects users of from one to eight telephone lines in network. System is useful in coordinating activities in large plants and installations. It permits spontaneous conferences, paging, and monitoring from key locations.
Document ID
19790000030
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Toole, P. C.
(Planning Research Corp.)
Belt, J. L.
(Planning Research Corp.)
Goodloe, R.
(Planning Research Corp.)
Leiniger, D. B.
Date Acquired
August 10, 2013
Publication Date
August 1, 1979
Publication Information
Publication: NASA Tech Briefs
Volume: 4
Issue: 1
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
KSC-11023
Accession Number
79B10030
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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