| 摘要 |
PURPOSE:To attain a remote load control of all illuminators in a household from any room by transferring the data signals between a coaxial line and a power line via a data exchanger. CONSTITUTION:A coaxial line 4 is led into an entrance 2 as well as a room A 3 of extension work as an exclusive line for information. Each device is controlled by an exclusive line transmission system (a). While the line 4 is not led newly to old B and C rooms 5 and 6, and the devices in these rooms 5 and 6 are controlled by a power line carrying system using a power line 7. Then a data exchanger 17 is set between lines 4 and 7 for transfer of data signals. |
