Literaturnachweis - Detailanzeige
Autor/in | Lee, Martha A. |
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Titel | Ultrasonic Technology in Duress Alarms. |
Quelle | In: School Construction News, 3 (2000) 1, S.22 |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Alarm Systems; Comparative Analysis; Elementary Secondary Education; Public Schools; School Security |
Abstract | Provides the pros and cons of the most commonly used technologies in personal duress alarm systems in the school environment. Discussed are radio frequency devices, infrared systems, and ultrasonic technology. (GR) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |