System for data transmission, remote sensing, remote...

H - Electricity – 04 – B

Patent

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Details

H04B 3/54 (2006.01) H02J 13/00 (2006.01)

Patent

CA 2246807

Industrial invention of an electronic system able to use electric power supply lines, of parallel and/or series type, for transmitting data, remote sensing, remote controls, remote readings and the like. The system, called LDS (Line Data System) does not use modulated carrier power-line waves, but an original, fast and secure transmission technique which utilizes the same power supply lines without need for any modification or the adoption of costly components. The field units execute the commands emitted by the control and transmit back the data of the phenomena detected by means of transducers. More than one system can operate simultaneously for different uses on the same line without interfering with each other. Where the system uses the lines of a public lighting system the field detection units remain operational during the day hours without requiring the use of booster batteries.

L'invention concerne un système électronique capable d'utiliser des lignes de distribution de courant de type parallèle et/ou en série, pour transmettre des données, effectuer des détections à distance, des commandes à distance, des lectures à distance, et similaire. Le système (LDS) n'utilise pas des ondes porteuses modulées sur les lignes industrielles, mais fait appel à une technique originale, rapide et fiable de transmission sur les lignes de distribution de courant ne nécessitant pas de les modifier ou de leur adapter des composants coûteux. Les unités locales exécutent les ordres émis par le centre de commande et retournent les données concernant les phénomènes détectés au moyen de transducteurs. Plus d'un système peut servir simultanément à différents usages sur la même ligne, sans interférences mutuelles. Lorsque le système utilise les lignes de l'éclairage public, il reste opérationnel pendant le jour, sans nécessiter de batteries d'appoint.

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