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NEW ELECTRONIC, COMMUNICATIONS SYSTEMS FOR MUNICIPALITIES AND INDUSTRY

NCJ Number
12181
Journal
Security World Volume: 10 Issue: 9 Dated: (OCTOBER 1973) Pages: 23,72
Author(s)
W B Flanigin
Date Published
1973
Length
2 pages
Annotation
BRIEF REVIEW OF TRENDS IN SECURITY AND ALARM SYSTEMS DESIGNED FOR USE BY PRIVATE INDUSTRY AND MUNICIPALITIES.
Abstract
INDUSTRIAL ALARM SYSTEMS ARE BECOMING MORE FUNCTIONALLY INTEGRATED. MUNICIPAL FIRE ALARM SYSTEMS ARE BEGINNING TO INCORPORATE TWO-WAY VOICE COMMUNICATIONS RATHER THAN TELEGRAPH WIRE ARRANGEMENTS.

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