Alarm systems, wireless alarm devices, and article security...

Details Alarm systems, wireless alarm devices, and article security... Alarm systems, wireless alarm devices, and article security...

G - Physics

08

B

G08B 25/10 (2006.01) G08B 13/24 (2006.01)

Patent

CA 2650501

Alarm systems, wireless alarm devices, and article security methods are described according to some aspects of the disclosure. In one aspect, an alarm system includes a base communication device configured to communicate wireless signals, a remote communication device configured to communicate with the base communication device using the wireless signals, wherein the remote communication device is adapted to be associated with an article to be secured and wherein the remote communication device comprises alarm circuitry, wherein the remote communication device comprises a non-linear device configured to detect the wireless signals communicated by the base communication device and to generate electrical signals corresponding to respective ones of the detected wireless signals, and wherein the remote communication device further comprises processing circuitry coupled with the non-linear device and configured to process the electrical signals and to control the alarm circuitry to generate a human perceptible alarm responsive to the processing.

Selon certains aspects, la présente invention concerne des systèmes d'alarme, des dispositifs d'alarme sans fil, et des procédés de sécurité d'articles. Selon un aspect, un système d'alarme comporte un dispositif de communication configuré pour communiquer des signaux sans fil, un dispositif de communication éloigné configuré pour communiquer avec un dispositif de communication de base au moyen de signaux sans fil. Un dispositif de communication éloigné est adapté pour être associé à un article à sécuriser et le dispositif de communication éloigné comporte un circuit d'alarme. Le dispositif de communication éloigné comprend un dispositif non linéaire configuré pour détecter les signaux sans fil communiqués par le dispositif de communication de base et pour générer des signaux électriques correspondant à des signaux respectifs parmi les signaux sans fil détectés. Le dispositif de communication éloigné comporte également un circuit de traitement relié au dispositif non linéaire et configuré pour traiter les signaux électriques et pour commander le circuit d'alarme en vue de générer une alarme perceptible par un humain suite au traitement.

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