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Unlike PCs, most DVRs designed for CCTV purposes are embedded devices that require less maintenance and simpler setup than a PC-based solution, for a medium to a large number of analogue cameras. Some DVRs also allow digital broadcasting of the video signal, thus acting like a network camera.
While low-quality domestic kits are cheap, the professional installation and maintenance of high definition CCTV is expensive. [43] Gill and Spriggs did a cost-effectiveness analysis (CEA) of CCTV in crime prevention that showed little monetary saving with the installation of CCTV as most of the crimes prevented resulted in little monetary loss ...
These templates relate to the verifiability of Wikipedia articles, or their lack thererof. This includes the use of citations and reliable sources. See Wikipedia:Template messages/Sources of articles for guides to usage of some of these templates.
The vast majority of computer surveillance involves the monitoring of data and traffic on the Internet. [9] In the United States for example, under the Communications Assistance For Law Enforcement Act, all phone calls and broadband Internet traffic (emails, web traffic, instant messaging, etc.) are required to be available for unimpeded real-time monitoring by federal law enforcement agencies.
Redflex red light camera in Springfield, Ohio, US A set of pictures taken by a red light camera in Luannan County, China, the black car in the pictures ran the red light. A red light camera is a traffic camera that takes an image of a vehicle that goes through an intersection where the light is red.
Multiple files sharing a number (even if the file extension or the four alphanumeric characters are different) are considered related and form a DCF object. Prior to the introduction of DCF 2.0, some camera vendors (e.g. Minolta and Konica Minolta ) chose to use the file extension to indicate the recorded color space, that is, "JPG" was used ...
Preventive maintenance checks and services (PMCS) in the United States Army or preventive maintenance inspections (PMI) in the United States Air Force are the checks, services, and maintenance performed before, during, and after any type of movement or before the use of all types of military equipment.
Building automation (BAS), also known as building management system (BMS) or building energy management system (BEMS), is the automatic centralized control of a building's HVAC (heating, ventilation and air conditioning), electrical, lighting, shading, access control, security systems, and other interrelated systems.
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