Method and apparatus for detection of warning system breach

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United States of America Patent

PATENT NO 6844808
APP PUB NO 20040212490A1
SERIAL NO

10420211

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Abstract

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Base stations in an outdoor warning siren system monitor the system communication radio frequency to detect the command signals used to activate remotely located warning units. A valid command signal includes a portion identifying the base station generating the signal. When a base station detects a signal bearing its identification, the base station compares the detected signal to its own station ID. If the detected signal matches the detecting station's ID then a system breach is declared. The outdoor warning siren system may respond to a breach by automatically de-activating any alarms activated by the unauthorized signal and/or producing a breach indication to emergency personnel who may respond according to the situation.

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Patent Owner(s)

Patent OwnerAddress
WHELEN ENGINEERING COMPANY INC51 WINTHROP ROAD CHESTER CT 06412-0684

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fredericks, Thomas M Westbrook, CT 8 280
Lemieux, Kenneth S East Haddam, CT 2 48

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