| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a security structure for inhibiting unjust modification to a control board 40 held in a control board case 10, which makes reuse of the board itself difficult and effectively prevents the unjust modification of the board by destroying the board itself irretrievably along with opening of a case. <P>SOLUTION: The security structure for inhibiting the unjust modification to the control board 40 held in the control board case 10 is provided with a brittle portion Z where a printed board 41 is irretrievably broken in response to external force accompanied by opening of the case. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
