| 摘要 |
<P>PROBLEM TO BE SOLVED: To increase the usefulness of content information and to improve convenience by presenting content information before a valid period, explicitly notifying that the content information exists in an in-vehicle unit, and preventing disadvantages for both a provider and a user caused when the content information is not presented. <P>SOLUTION: The in-vehicle unit includes: a storage part for storing a plurality of content information; a display part or a sound output part for giving information based on the content information; and a control part for retrieving the content information which is to be enabled on and after the current time among the plurality of content information stored in the storage part and giving the information based on the retrieved content information by the display part or the sound output part. <P>COPYRIGHT: (C)2010,JPO&INPIT |
