Tracking method and apparatus

G - Physics – 08 – B

Patent

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Details

G08B 21/22 (2006.01) G08B 21/02 (2006.01) H04Q 7/00 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2517568

A method of tracking a human or animal is disclosed. A mobile unit is carried by the human or animal, the mobile unit including at least one inertial sensor and a radio transmitter for transmitting data from the mobile unit to a base station. The output data of the inertial sensor is used to count the number of steps taken by the human or animal, and the position of the human or animal is predicted based on the number of steps taken and step length data for the human or animal.

L'invention concerne un procédé permettant de localiser un homme ou un animal. Selon l'invention, ledit homme ou animal porte une unité mobile qui comprend au moins un capteur inertiel et un émetteur radio servant à émettre des données de l'unité mobile à une station de base. Les données de sortie du capteur inertiel sont utilisées pour le comptage du nombre de pas effectués par l'homme ou l'animal, la position de l'homme ou de l'animal étant déterminée d'après le nombre de pas effectués par cet homme ou cet animal et d'après les données de longueur de pas relatives audit homme ou audit animal.

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