Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1996-08-01
1998-01-06
Swann, Glen
Communications: electrical
Condition responsive indicating system
Specific condition
235 1R, 235 93, 235128, 340545, 340547, 340554, 340566, G08B 1300
Patent
active
057059829
ABSTRACT:
An apparatus for detecting intrusions into spaces of various kinds such as apartments, offices, lockers, and the like by either authorized or unauthorized persons apparatus monitors a specific portal for intrusion occurrence events using an intrusion sensing unit, which communicates intrusion occurrence information to a remote, and possibly hidden monitor unit. The monitor dynamically counts the number of valid intrusion occurrence signals received from the sensing unit and stores the same in non-volatile memory. The number of intrusions stored in memory can be displayed on a display means at the monitor unit, which, in a simple embodiment would take the form of a single, seven segment light emitting diode (LED) display. In addition, the number of intrusions stored in the non-volatile memory can only be reset by the input of a unique, coded personal identification number (PIN) signal from an input keypad located on the monitor unit. More sophisticated embodiments incorporate date and time displays to indicate more specifically the events surrounding a particular intrusion occurrence. Even more sophisticated embodiments incorporate a primer for producing a hardcopy of intrusion occurrence information.
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North America Technitron Corporation
Swann Glen
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