Communication system, especially for indoors

H - Electricity – 04 – B

Patent

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Details

H04B 3/54 (2006.01) H04B 7/00 (2006.01) H04L 12/28 (2006.01)

Patent

CA 2387968

The invention relates to a communication system. According to the inventive system a point-to-point communication is established between two terminals (22, 21) which comprises at least one short-range radio path between one of the terminals (22) and an adapter (6) and a power supply network-based PLC path between the adapter (6) and the second terminal (21). A short-range radio path is understood to be a radio connection whose range does not substantially extend beyond the indoor range, that is for example beyond the size of a room or a floor of a building. The inventive system is highly flexible and inexpensive to install. The adapter can be connected to any socket of the power supply network (2), that is precisely where it is needed. The aggregates or components for short-range radio paths can be produced in high quantities and at low costs. The point-to-point communication does not require any central control devices or connection controllers.

L'invention concerne un système de communication conçu de manière à permettre l'établissement d'une liaison point à point entre deux terminaux (22,21), qui comprend un faisceau hertzien de faible portée entre au moins un des terminaux (22) et un appareil adaptateur (6), et un faisceau PLC acheminé par l'intermédiaire d'un réseau de distribution électrique entre l'appareil adaptateur (6) et le second terminal (21). Le faisceau hertzien de faible portée est à prendre dans son extension de liaison radio dont la portée ne dépasse pas sensiblement la zone intérieure, c.à-d. qui ne va pas par ex. au-delà de la taille d'une pièce ou d'un étage de bâtiment. Ledit système est très souple et avantageux à installer. L'appareil adaptateur peut être raccordé à n'importe quelle prise de courant du réseau de distribution électrique (2), en d'autres termes, là où il est requis. Il est possible de produire aujourd'hui des accessoires et des composants pour faisceaux hertziens de faible portée, en grande quantité et à des coûts très avantageux. La liaison point à point permet de ne plus avoir recours à des appareils de commande ou à des contrôleurs de communication centraux.

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