| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a surveillance camera system and a network surveillance camera which can promptly inform an alarm to many receiving terminals without registering notification addresses of the alarm beforehand. <P>SOLUTION: If network surveillance cameras 1-1 to 1-8, 2-1 to 2-8 detect the alarm, the camera adds a multicast address MA2 which is different from a multicast address MA1 added to an image signal S1 to an alarm signal S2, and transmits the alarm signal S2 to multicast routers 3-1 to 3-2. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
