H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 3/54 (2006.01) H04B 3/56 (2006.01)
Patent
CA 2607493
A bus modem for building and industrial electrical systems comprises a module (100) which comprises a pair of input pins (1, 2) destined to be connected to the bus and a pair of output pins (9, 10) destined to be connected to the electrical circuit of a device to be connected to the bus. The module (100) further comprises a voltage control circuit (3) able to take voltage from said bus and to control the voltage (VASB) on a capacitor (C1) disposed at the terminals of said output pins (9, 10), and a transmission control circuit (5) able to control an electronic switch (7) which controls a current limiting circuit (8) able to limit the current on the bus, during transmission of signals from the bus to the devices connected to the bus and vice versa.
L'invention porte sur un modem bus pour systèmes électriques résidentiels et industriels qui comprend un module (100) comportant une paire de broches d'entrée (1, 2) destinées à être reliées au bus, et une paire de broches de sortie (9, 10) destinées à être reliées au circuit électrique d'un dispositif qui sera relié au bus. Le module précité (100) comprend également un circuit de régulation de la tension (3) qui est alimenté en tension à partir du bus et qui régule la tension (VASB) sur un condensateur (C1) disposé aux bornes des broches de sortie précitées (9, 10), et un circuit de régulation de la transmission (5) qui commande un commutateur électronique (7) commandant un circuit de limitation de courant (8) capable de limiter le courant sur le bus au cours de la transmission de signaux entre le bus et les dispositifs reliés au bus.
Ridout & Maybee Llp
Vimar S.p.a.
LandOfFree
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