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1. (WO2007007431) FUNCTION UNIT FOR DUAL WIRING SYSTEM
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

CLAIMS:

1. A function unit for dual wiring system, which is adapted in use to be detachably

5 connected to a gate device mo╬╝irted in a wall surface of a structure, and connected to "both of an electric power line and an information line installed in said structure, wherein the function unit is configured to provide at least one of functions for supplying an electric power from said electric power line, outputting information from said informa┬▒Lon line, and inputting information into said

.0 information line when connected with said gate device, and
the function unit has one of a module connector and a module port, which is configured to simultaneously establish both of supplying the electric power from said gate device to the function unit, and making a signal transmission between said gate device unit and the function unit when connected to the other one of said

L5 module connector and said module port formed at said gate device.

2. The function unit as set fortki in claim 1, further comprising one of an electric power port and an electric power connector, which is detachably connected to the

20 other one of said electric power port and said electric power connector formed at an additional function unit to supply the electric power from the function unit to the additional function unit, and orxe of an information signal port and an information signal connector, which is detachably connected to the other one of said irxformation signal port and said information signal connector formed at the 5 additional function unit to malce a signal transmission "between the function unit and the additional function unit.

3. The function unit as set forth in claim 2, wherein said electric power port and 0 said electric power connector are configured to supply the electric power from the function unit to the additional function unit by means of electromagnetic coupling, and said information signal port and said information signal connector are configured to rrxake the signal transmission between the function unit and the additional function unit by means of optical coupling.

4. The function "unit as set forth in claim 1, further comprising a transceiver unit configured to convert the information signal provided by the connection between, said module connector and said module port into an optical signal and transmit the optical signal to an electric appliance, and. convert an optical signal provided from outside into an information signal and transmit the information signal to said information line through said gate device.

5. The function "unit as set forth in claim 1, further comprising a power supply unit configured to supply the electric power provided by the connection between said module connector and said module port to an electric appliance by means of electromagnetic coupling.

6. The function, unit as set forth in claim 2 further comprising a joining means configured to mechanically connect the additional function unit to the function unit.

7. The function unit as set forth in claim 6, wrierein said joining means comprises an engaging portion formed on the function unit, and a joining member configured to slidably contact said engaging portion and make the mechanical connection between the function unit and the additional function unit when a region of said joining member is engaged said engaging portion of the function unit and the remaining region of said joining member is engaged to an engaging portion formed on the additional function unit.