| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply unit which can guide a voltage corresponding to an indoor commercial power supply through a clearance between an opening/closing body such as a window or a door and the surface of a frame, or the like, which the opening/closing body opposes when closing to the outdoor with no power loss and can drive an outdoor load. <P>SOLUTION: The power supply unit comprises an electromagnetic transformer 20T for stepping down the voltage of an indoor commercial power supply, a tapelike two-conductor flexible thin film flat cable 34 having a thickness of 3 mm or less and supplying power outdoors from the electromagnetic transformer 20T, and an electromagnetic transformer 40T for stepping up the voltage from the flat cable 34 to a voltage corresponding to the voltage of the commercial power supply outdoors wherein the flexible thin film flat cable 34 is laid through the clearance between an opening/closing body 50 of the indoor and the outdoor and its frame 52. <P>COPYRIGHT: (C)2008,JPO&INPIT |
