| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To secure safety despite a relative position to the other device for transmitting/receiving information using laser light. <P>SOLUTION: An insertion groove 172 where a casing 20 of an electronic cassette is inserted is provided with a projection section 178, and the projection section 178 has an LD 86 and a PD 90 (refers to (A)) in such a direction as preventing the emission of at least a direct light of the laser light emitted from the LD 86, to the outside of the insertion groove 172, while the casing 20 of the electronic cassette is provided with a groove 182 where the projection portion 178 is inserted, at its base 20A, and positions which face the LD 86 and the PD 90 out of sides of the groove 182 with the casing 20 inserted into the insertion groove 172 (refer to (D)) are provided with an LD 52 and a PD 56 (refer to (B)) in such a direction as preventing the emission of at least a direct light of the laser light emitted from the LD, to the outside of the groove 182. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
