| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To store not only each video data just before an arbitrarily designated storage object appears but also each video data since the storage object appears until it leaves from a series of video data without storing all of a series of video data. <P>SOLUTION: In a process to successively write received video data in a temporary recording memory 21, and to successively update the content of the temporary recording memory 21, and to record and store the latest video data for the pertinent capacity in the temporary recording memory 21, a CPU 1 specifies video data since an arbitrarily designated storage object appears until it leaves from among a series of video data, and reads each video data just before the storage object appears 10 seconds before the storage object appears from the temporary recording memory 21, and stores and records each video data just before the storage object appears and each video data since the storage object appears until it leaves in a digest recording memory 22. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
