TAILIEUCHUNG - DIGITAL CCTV A Security Professional’s Guide phần 6

. RG là các đặc điểm kỹ thuật truyền hình cáp để sử dụng như một hướng dẫn vô tuyến, và giá trị số phân biệt các chi tiết kỹ thuật của mỗi cáp cá nhân. Mặc dù mỗi cáp có số riêng, đặc điểm của nó, và kích thước, không có sự khác biệt trong cách các số dây cáp khác nhau làm việc. | 9 Examples of Digital Video for Security The very word security can be ambiguous meaning different things to different people. This is the definition given by Webster security n. 1. Feeling secure freedom from fear doubt etc. 2. Protection safeguard. Providing protection and safeguard have been a tall order for those in the security industry. Over the years many forms of security have evolved from those as simple as on-site guards to more complicated methods such as biometrics identification systems. With the capabilities of digital video security providers are now able to offer a more substantial version of the protection and safeguard referred to by Webster. The uses and benefits of remote digital video technology within the security industry have grown exponentially. Functions as diverse as border control safeguarding employees and monitoring hazardous materials make the applications of digital video immeasurable. Military government commercial and private citizens all make up the spectrum of users of this technology. Following are examples of some common uses of the technology today. 147 148 Digital CCTV CRITICAL INFRASTRUCTURE PROTECTION Since September 11th 2001 virtually everything is considered to be at risk including energy supplies water resources bridges and tunnels waterways and airports. Improving the security at these and other potential targets has become a priority for our nation. Protecting our county s critical infrastructures and key assets involves a multitude of physical protection challenges due to the complex nature of the infrastructures and assets involved. Potential targets consist of a highly varied mutually dependent mix of facilities systems and functions. Failure in one could conceivably begin a domino effect of consequences that could in turn negatively affect public health and safety national security the economy and public confidence. Scores of US dams are key components of other critical infrastructure systems .

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