| 摘要 |
PURPOSE:To make possible to utilize a small or miniature information apparatus with no consideration on the capacity of power supply, operable time, and the like. CONSTITUTION:A DC wiring system 2 for inverting AC power from an AC distribution system 10 through a power supply circuit 1 is provided in an environment for utilizing information apparatus, as shown on the drawing. A plurality of DC receptacles 20 are provided in the DC distribution system 2. Power supply input section 50 of a load information apparatus 5 is connected through a dedicated power cable with the DC receptacle 20. Voltage of the DC distribution system 2 is fed on the power cable 3 to a voltage converting circuit 4 for the load apparatus 5. Consequently, replacement or charging of battery is not required and maintenance of battery is not required in case of business use. |
