| 摘要 |
<P>PROBLEM TO BE SOLVED: To make it possible to simply read/write information from/in a data storage means by using a present wall surface as it is without requiring the formation of a new through hole or the like even when the data storage means is covered with a metallic shield such as a case. <P>SOLUTION: Ultrasonic wave transmitting/receiving means 5, 11 are attached to respective inner and outer wall surfaces of a case and electromagnetic wave/ultrasonic wave conversion means 6, 12 are arranged between respective ultrasonic wave transmitting/receiving means 5, 11 on the inside and outside of the case and electromagnetic wave transmitting/receiving means 4, 21 of a data management means 23 and a data storage means 3 to execute communication between the inside and outside of the case by ultrasonic waves. <P>COPYRIGHT: (C)2008,JPO&INPIT |
