Energy harvesting circuit

H - Electricity – 02 – N

Patent

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Details

H02N 11/00 (2006.01) G21H 1/00 (2006.01) H02N 6/00 (2006.01) H02N 99/00 (2006.01)

Patent

CA 2543738

A station having a means for receipt of ambient energy from the environment and energizing power storage devices of objects of interest comprising one or more antennae and circuitry for converting said ambient energy into DC power for energizing said power storage devices. The circuitry for converting the ambient energy into DC power may include a rectifier/charge pump. The antenna of the station is tuned to maximize DC energy at the output of the rectifier/charge pump. The station can be used to energize power storage devices including capacitors and batteries that are used in electronic devices, such as cell phones, cameras, PDAs. Various antenna constructions may be employed.

La présente invention concerne une station ayant un moyen permettant de recevoir de l'énergie ambiante de l'environnement et d'alimenter en énergie des dispositifs de stockage d'énergie d'objets d'intérêt comportant une ou plusieurs antennes et des circuits conçus pour convertir ladite énergie ambiante en puissance C.C. destinée à l'alimentation en énergie desdits dispositifs de stockage d'énergie. Les circuit de conversion de l'énergie ambiante en puissance C.C. peuvent comporter un redresseur/une pompe de charge. L'antenne de la station est accordée de manière à maximiser l'énergie C.C. au niveau de la sortie du redresseur/de la pompe de charge. Cette station peut être utilisée pour alimenter des dispositifs de stockage d'énergie tels que des condensateurs et des batteries, utilisés dans des dispositifs électroniques, du type téléphones cellulaires, caméras, assistants numériques (PDA). Diverses configurations d'antenne peuvent être utilisées.

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