GALVANIC ISOLATED DEVICE AND CORRESPONDING METHOD AND SYSTEM
An electronic device is disclosed. According to at least one embodiment, the device includes a front-end module having at least one front-end connector, adapted to be connected to a cable adapted for receiving electrical signal, a reception module adapted to receive an electrical signal from the front-end connector, a back-end module configured to process an electrical signal, an interfacing module comprising at least an isolation module adapted to transmit, to the back-end module, an electrical signal received from the front-end module.
1 . An electronic device, comprising:
a front-end module comprising:
at least one front-end connector adapted to be connected to a first cable adapted to receive at least one electrical signal and for transmitting Direct Current, said front-end connector being adapted to be connected to a second cable only adapted for receiving at least one electrical signal;
at least one control module adapted to supply Direct Current to said front-end connector according to at least one command signal transmitted by a control processing unit;
a reception module adapted to receive at least one electrical signal from said front-end connector;
a back-end module configured to process at least one electrical signal;
an interfacing module comprising at least an isolation module adapted to transmit, to said back-end module, at least one electrical signal received from said front-end module.
2 . The Electronic device according to claim 1 wherein said electronic device is adapted to operate in a first mode, where said Direct Current is supplied to said front-end connector, and to a second mode, where no Direct Current is supplied to said front-end connector, according to said command signal.
3 . The electronic device according to claim 1 , wherein said isolation module is adapted to prevent a Direct Current signal continuity and/or a connection of earth ground of said front end and back-end modules.
4 . The electronic device of claim 1 , wherein:
said back-end module comprises at least one back-end connection module adapted to receive Direct Current from a Direct Current line; and
said interfacing module comprises at least one isolated DC current supplying module, adapted to be connected to said back-end connection module and to transmit Direct Current to said control module.
5 . The electronic device of claim 1 , wherein said control module is adapted to transmit at least one control signal to said front-end connector.
6 . The electronic device of claim 1 , wherein said electronic device comprises a switch adapted to command said control module via said control processing unit.
7 . The electronic device of claim 6 , wherein said switch is accessible at least partially from an outer casing of the electronic device.
8 . The electronic device of claim 6 , wherein said switch is adapted to be manually actuated.
9 . The electronic device of claim 1 , wherein said electronic device comprises a user interface module adapted to command said control module via said control processing unit.
10 . The electronic device of claim 1 , wherein said control module comprises at least one Low Noise Bloc (LNB) control module.
11 . The electronic device of claim 1 , wherein said cable is adapted to provide an interface to a Single Master Antenna Television (SMATV) network.
12 . The electronic device of claim 1 , wherein said cable is adapted to provide an interface to a terrestrial network.
13 . The electronic device of any of claim 1 , wherein said front-end module comprises at least one tuning and/or demodulating module.
14 . The electronic device of any of claim 1 , wherein said back-end module comprises at least one tuning and/or demodulating module.
15 . The electronic device is suitable for receiving audiovisual programs via an interface suitable for receiving radio frequency signals over a cable network.
16 . The electronic device of claim 1 , wherein the network is a collective network.
17 . The electronic device of claim 1 , wherein the network is an individual network, dedicated to a single private area.
18 . The electronic device of claim 1 , wherein said isolation module comprised in said connection device is a transformer comprising at least two windings.
19 . A method for processing an electrical signal, said method comprising:
receiving at least one electrical signal on at least one front-end connector of a first electronic device, said front-end connector being adapted to be connected to a first cable adapted for receiving at least one electrical signal and for transmitting Direct Current, said front-end connector being adapted to be connected to a second cable only adapted for receiving at least one electrical signal;
transmitting said received electrical signal through at least one communication path including at least one isolation module to at least one processing module of said first electronic device;
processing said electrical signal;
supplying Direct Current to said front-end connector according to at least one command signal transmitted by a control processing unit to at least one control module of said first electronic device.
20 . The method according to claim 19 , wherein said method comprises:
receiving said Direct Current from a Direct Current line;
transmitting said received Direct Current through a Direct Current supplying path not using said isolation module, to said control module of said first electronic device.