H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 3/54 (2006.01)
Patent
CA 2452270
The present invention is related to a method and devices for controlling at least one load connected to an AC power line. The method is based on the introduction of interruptions in the line voltage, which correspond to data being sent. The method centres on interruptions of variable length, yielding the opportunity of sending more data with a reduced number of interruptions. The invention is further related to a particular design of the transmitter and receiver. The transmitter is equipped with a means for measuring the line current. The receiver is equipped with a comparator with a feedback connection. The receiver is also capable of increasing momentarily the line current, which creates the possibility of sending information back towards the transmitter.
L'invention concerne un procédé et des dispositifs permettant de contrôler au moins une charge connectée à une ligne d'alimentation en courant alternatif. Ce procédé repose sur l'introduction, dans la tension secteur, d'interruptions qui correspondent aux données transmises. Ce procédé applique des interruptions de longueurs variables, ce qui permet d'envoyer davantage de données avec un minimum d'interruptions. L'invention concerne par ailleurs une conception particulière de l'émetteur et du récepteur. L'émetteur comporte un moyen pour mesurer le courant de ligne. Le récepteur comporte un comparateur pourvu d'une connexion de rétroaction. Le récepteur peut également augmenter momentanément le courant de ligne, permettant ainsi de renvoyer des informations vers l'émetteur.
Van Tichelen Paul
Weyen Dominique
Fetherstonhaugh & Co.
Vlaamse Instelling Voor Technologisch Onderzoek (vito)
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