SECURITY SYSTEM ANNUNCIATION COMMUNICATION DELAY
First Claim
1. A system for transmitting alarm notifications for use with a system in a monitored building comprising a plurality of sensors, an annunciation device and a main control unit communicating with each of the plurality of sensors, the annunciation device, and a monitoring facility, the method comprising:
- receiving event signal data from at least one of the plurality of sensors;
processing the event signal data at the main control unit;
sending an alarm notification signal representative of the event signal from the main control unit to a receiver at the monitoring facility;
determining whether the alarm notification signal was transmitted successfully to the receiver at the central monitoring facility; and
upon successful transmission of the notification signal from the control unit to the central station, sending a signal from the main control unit to the annunciation device to trigger said annunciation device.
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Accused Products
Abstract
A security system including a roam control unit, a plurality of sensors and a user interface device. The main control unit communicates with a remote central monitoring station, when a sensor detects an alarm event. Once the communication signal from the main control unit is successfully transmitted to the central station, a siren is sounded. Thus, the delay time to trigger the siren is dynamic based on the time it takes for successful transmission of an alarm notification to the central station. This dynamic delay accounts for transmission interruptions between the security system, and the central station and allows the location of the main unit and/or the siren from being detected prior to successful, alarm transmission, to the central station.
129 Citations
18 Claims
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1. A system for transmitting alarm notifications for use with a system in a monitored building comprising a plurality of sensors, an annunciation device and a main control unit communicating with each of the plurality of sensors, the annunciation device, and a monitoring facility, the method comprising:
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receiving event signal data from at least one of the plurality of sensors; processing the event signal data at the main control unit; sending an alarm notification signal representative of the event signal from the main control unit to a receiver at the monitoring facility; determining whether the alarm notification signal was transmitted successfully to the receiver at the central monitoring facility; and upon successful transmission of the notification signal from the control unit to the central station, sending a signal from the main control unit to the annunciation device to trigger said annunciation device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of providing a dynamic annunciation signal in an alarm system comprising:
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triggering at least one of a plurality of sensors; sending event signal data from the least one of the plurality of sensors to a control unit; sending an alarm notification signal from the control unit to a monitoring facility via a communications link; waiting for the alarm notification signal from the control unit to be successfully transmitted to the monitoring facility; and once the alarm notification signal is successfully transmitted to the monitoring facility, sending a signal to an annunciation device communicating with the control unit to trigger the annunciation device. - View Dependent Claims (15, 16, 17, 18)
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Specification