ALARM DECISION SYSTEM FOR BURGLAR SYSTEM ON BURGLAR MONITORING BOARD

摘要

PURPOSE: To prevent an unguarded state from occurring by issuing an alarm after the lapse of fixed time of several seconds in spite of the case when the manager of an alarm set is separated from a guard area in a burglar monitoring board provided with a detection function for an outside intruder. ;CONSTITUTION: This board is the burglar monitoring board (a) which judges intruder detection from information consisting of two signals of signal (x) from a burglar sensor (b) installed at a guard area (for example, the range of a tenant to be guarded) A, and burglar guard set signal (y) from external equipment (c) to judge whether or not the guard area A is set in a guarded state at present, and the manager (operator) of the guard set being present at a place where the burglar monitoring board (a) is installed performs the confirmation of the guard area A, and performs a guard set operation in a normal guard set state, i.e., a state where no burglar sensor (b) is operated, thereby, hereinafter, judgement for intrusion detection is performed by the burglar monitoring board (a) when intrusion from the outside occurs.;COPYRIGHT: (C)1994,JPO&Japio