Article locator system

G - Physics – 08 – B

Patent

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Details

G08B 13/14 (2006.01) G01S 3/54 (2006.01) G01S 5/14 (2006.01) G01S 13/82 (2006.01) G01S 13/84 (2006.01) G01S 5/12 (2006.01) G01S 7/40 (2006.01) G08B 21/02 (2006.01) G08B 21/24 (2006.01)

Patent

CA 2438172

A system and method for locating objects such as people, pets, and personal articles is described. A transceiver is attached to the person, animal, or item to be tracked and a handheld locator device is employed to transmit a locator signal containing an address code to the transceiver. Upon receipt of a signal, the transceiver compares the address code contained in the locator signal with an address code stored in the transceiver. If the two codes are same, the transceiver sends a return signal back to the locator device. The locator device uses this return signal to determine the distance and/or direction of the transceiver from the user's location. The system allows a user to select from a multiple number of items to locate and allows multiple users to search for different articles within the same general area without interference.

L'invention porte sur un système de localisation d'"objets" tels que des personnes, des animaux domestiques, ou des articles personnels, selon lequel un émetteur/récepteur est fixé à un tel objet tandis qu'un localisateur de poche transmet à l'émetteur/récepteur un signal de localisation contenant un code d'adresse. Au reçu du signal l'émetteur/récepteur compare le code d'adresse du signal de localisation à un code d'adresse stocké dans l'émetteur/récepteur. Si les deux codes sont identiques, l'émetteur/récepteur retourne un signal au dispositif de localisation. Le dispositif de localisation utilise ce signal de retour pour déterminer la distance et/ou la direction de l'émetteur/récepteur par rapport à son propre emplacement. Le système permet à un utilisateur de choisir parmi plusieurs objets à localiser et à plusieurs utilisateurs de rechercher différents objets dans une même zone générale sans interférer.

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