Alarm systems, remote communication devices, and article...

G - Physics – 08 – B

Patent

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Details

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

Patent

CA 2650257

Alarm systems, remote communication devices, and article security methods are described according to some aspects of the disclosure. In one aspect, an article security method includes associating a remote communication device with an article to be secured; using the remote communication device, generating a plurality of electrical signals responsive to receipt of spurious electromagnetic energy and a plurality of wireless signals of a base communication device associated with the remote communication device to form an alarm system; distinguishing the electrical signals generated responsive to the spurious electromagnetic energy from electrical signals generated responsive to the wireless signals of the base communication device; and responsive to the distinguishing, generating a plurality of human perceptible alarm signals corresponding to respective ones of the electrical signals generated responsive to the wireless signals of the base communication device.

Selon certains aspects, la présente invention concerne des systèmes d'alarme, des dispositifs de communication éloignés, et des procédés de sécurité d'articles. Selon un aspect, un procédé de sécurité d'articles comprend l'association d'un dispositif de communication éloigné avec un article à sécuriser; au moyen du dispositif de communication éloigné, la génération d'une pluralité de signaux électriques suite à la réception d'énergie électromagnétique parasites et d'une pluralité de signaux sans fil d'un dispositif de communication de base associé au dispositif de communication éloigné pour former un système d'alarme; la différenciation des signaux électriques générés suite à la réception d'énergie électromagnétique parasites des signaux électriques générés en réponse aux signaux sans fil du dispositif de communication de base; et en fonction de la différenciation, la génération d'une pluralité de signaux d'alarme correspondant aux signaux respectifs des signaux électriques faisant suite aux signaux sans fil du dispositif de communication de base.

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