KOSEN 한인과학기술자네트워크

[ Contents ] ■ Top 10 CCTV problems If we were to go around the world and check out every CCTV system ever installed, we would be able to find a common thread of problems that haunts us all. ■ Access concept When the AMP building in Brisbane upgraded its access control system it was a major and painstaking operation. And it was made all the more challenging because AMP was to become the hub of the largest Concept 4000 network ever built. ■ Digital watermarking This month we continue our indepth look at digital and analogue watermarking from its early developments through to current applications in video surveillance. ■ Understanding video signals In this article we discuss the video signal which is the basic electrical signal that starts at the camera and goes to the control room via transmission system. In CCTV this signal is called composite video. ■ Is analogue obsolete? Much gas been written about coming changes in CCTV with claims that anything other than fully digital network based video systems will be obsolete within a year or two. How true is this? ■ Big changes Future cabling directions - the end for security installers? Security installation teams who lag behind fast changing cabling and communication standards will be left behind in the information age. Can you keep up? ■ Access and surveillance for Orica Orica needed a security solution that would support a major city building leaving plenty of room for global expansion later on. ■ New high end panel In the most important release seen in the high end alarm/access panel market for some years, electronics manufacturer ACD Digital will launch its new Genesis at the ASIAL show in Melbourne, Australia this month.