Alarm system providing tamper deterrent signalling and method
First Claim
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1. A method of signalling a sensed alarm condition from an alarm system at a premises to a monitoring station, said method comprising:
- determining if said sensed alarm condition is associated with a disarm delay;
in response to determining that said sensed alarm condition is associated with a disarm delay, initiating a disarm delay timer;
prior to expiry of said disarm delay timer and in response to sensing said alarm condition, establishing a communications connection over a network to an alarm monitoring station, without dispatching a message signalling said sensed alarm condition; and
upon expiry of said disarm delay timer and if said system has not been disarmed, dispatching a signal indicative of said sensed alarm condition to said alarm monitoring station over said connection, which has previously been established,wherein said establishing comprises at least one of establishing a connection to a cellular data network;
obtaining a dynamically assigned IP address; and
creating an IP socket to said monitoring station.
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Abstract
An alarm system at a premises reduces the overall delay in signalling an alarm condition in the presence of an entry delay timer. The alarm system establishes, or commences the establishment of, a network connection prior to the expiry of the entry delay. This allows an alarm message to be quickly dispatched upon expiry of the entry delay timer, or if a tamper condition is sensed.
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Citations
14 Claims
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1. A method of signalling a sensed alarm condition from an alarm system at a premises to a monitoring station, said method comprising:
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determining if said sensed alarm condition is associated with a disarm delay; in response to determining that said sensed alarm condition is associated with a disarm delay, initiating a disarm delay timer; prior to expiry of said disarm delay timer and in response to sensing said alarm condition, establishing a communications connection over a network to an alarm monitoring station, without dispatching a message signalling said sensed alarm condition; and upon expiry of said disarm delay timer and if said system has not been disarmed, dispatching a signal indicative of said sensed alarm condition to said alarm monitoring station over said connection, which has previously been established, wherein said establishing comprises at least one of establishing a connection to a cellular data network;
obtaining a dynamically assigned IP address; and
creating an IP socket to said monitoring station. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of operating an alarm system at a premises, said method comprising:
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sensing an alarm event associated with an entry delay; and initiating a disarm timer; upon sensing said alarm event, commencing an alarm message dispatch procedure that includes establishing a communications connection over a data network to an alarm monitoring station prior to expiry of said disarm timer, without dispatching a message conclusively signalling said alarm event; and aborting said alarm dispatch procedure prior to dispatching a message conclusively signalling said alarm event, if said alarm system is disarmed prior to expiry of said disarm timer; upon expiry of said disarm timer and if said system has not been disarmed, dispatching a signal indicative of said alarm event to said alarm monitoring station over said connection, which has previously been established, wherein said establishing comprises at least one of establishing a connection to a cellular data network;
obtaining a dynamically assigned IP address; and
creating an IP socket to said monitoring station. - View Dependent Claims (11)
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12. An alarm system for sensing and signalling sensed alarm conditions at a premises, said alarm system comprising:
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at least one detector for sensing an alarm condition; a panel in communication with said at least one detector, said panel comprising at least one processor and a network interface, said panel operable to; determine if said sensed alarm condition is associated with a disarm delay; in response to determining that said sensed alarm condition is associated with a disarm delay, initiate a disarm delay timer; prior to expiry of said disarm delay timer and in response to sensing said sensed alarm condition, establish a communications channel with an alarm monitoring station, without dispatching a message signalling said sensed alarm condition; upon expiry of said disarm delay timer and if said system has not been disarmed, dispatch a signal indicative of said sensed alarm condition to said alarm monitoring station over said communications channel, which has previously been established; and a peripheral for disarming said alarm system prior to expiry of said disarm delay timer. - View Dependent Claims (13, 14)
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Specification