Security system including audio alarm detection
A building security arrangement includes a sensor for emitting an audible alarm signal. A security system installed in the building detects the audible alarm signal and transmits an electrical alarm signal over a public switched telephone network in response to the detection of the audible alarm sig...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A building security arrangement includes a sensor for emitting an audible alarm signal. A security system installed in the building detects the audible alarm signal and transmits an electrical alarm signal over a public switched telephone network in response to the detection of the audible alarm signal. A central monitoring station receives the electrical alarm signal over the public switched telephone network and notifies an alarm authority in response to receiving the electrical alarm signal. |
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