| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an onboard device which prevents an IC card for viewing and listening digital broadcast from being damaged even when the IC card is erroneously inserted, and stably operating the IC card even when the temperature in the onboard device rises. <P>SOLUTION: The onboard device includes: a first substrate having a heat generation source; a second substrate laminated on the first substrate and having a short width which is a horizontal length when seen from the front of the onboard device; an IC card substrate for viewing and listening the broadcast program laminated on the second substrate; and a top board disposed with a predetermined space on the IC card substrate for viewing and listening the broadcast program. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
