| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To feed power stably to an information display device. <P>SOLUTION: The power feeding device 1 of an information display device is provided with an installation rail 10 having a rail body 12 with a groove 11 and a power feeding electrode 13 installed in the groove 11 along the longitudinal direction of the rail body 12 and an information display device 30 having a device body 31 installed detachably in the groove 11 and a power receiving electrode 32 installed in the device body 31. A protection film 15 having a self repairing function of a punched hole is formed on the surface of the power feeding electrode 13, and the power receiving electrode 32 contacts the surface of the power feeding electrode 13 penetrating through the protection film 15 when the device body 31 is installed in the groove 11. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
