Security system

Telecommunications – Radiotelephone system – Emergency or alarm communication

Reexamination Certificate

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Details

C455S404200, C340S506000, C340S531000, C340S541000

Reexamination Certificate

active

07046985

ABSTRACT:
A security system and method in which a base unit at a monitored premises such as a residence can, when its alarm is activated by, for example, the detection of an intrusion, fire or other emergency, establish radio communication with similar base units or compatible devices at residences within the same neighborhood and transmit voice and other audio information to alert them of the activation of the alarm.

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patent: 2002/0167590 (2002-11-01), Naidoo et al.

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