| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an audiovisual history collection method which takes advantage of a characteristic of a digital broadcast, which does not require an exclusive use terminal for audiovisual history collection, and which can easily make relatively numerous audiovisual households and audience investigation objects. <P>SOLUTION: A digital broadcast signal multiplexing a data broadcast content including audiovisual history collection contents including a description for transmitting information of an audiovisual history in a reception terminal to a predetermined destination is broadcasted at least to a reception terminal receiving the digital broadcast signal. The reception terminal having received the digital broadcast signal broadcasted analyzes the audiovisual history collection contents, and transmits audiovisual history information in the reception terminal of its own to a designated predetermined destination according to the description. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
