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Preventing radio-paging system tieupTime-delay relay limits message time of emergency radio-paging system, thereby preventing inadvertent tieup. Relay is connected with telephone circuit and permits adjustable message time between 30 and 55 seconds. After that time interval, relay opens, making line free for another paging regardless of what previous caller did with his telephone.
Document ID
19780000024
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Jasmin, J. P. (Rockwell International Corp.)
Date Acquired
August 9, 2013
Publication Date
June 1, 1978
Publication Information
Publication: NASA Tech Briefs
Volume: 3
Issue: 1
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
MSC-19696
Accession Number
78B10024
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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