Surveillance



The world of CCTV
CCTV Handbook 2006, Elvey Security Technologies
The use of closed circuit television (CCTV) as a deterrent to crime and to secure business and property assets is accepted and recognised throughout the world. But what exactly is CCTV? As the term ...

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The convergence of physical security and IT
CCTV Handbook 2006
The benefits of converging IT and physical security are beginning to be realised. The heavy investment made in IP-enabled enterprise networking, with its promise that virtually anything can be distributed ...

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See all, know all - the present and future progress of CCTV security systems
CCTV Handbook 2006
Professional CCTV surveillance systems available today offer features that provide users with a level of safety and security undreamed of 25 years ago, even though developments in the previous 25 years ...

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Efficient IP systems - unite analog with digital
CCTV Handbook 2006
To employ IP technology resourcefully, companies should build bridges from analog to digital video by connecting existing analog cameras and monitors to digital components via a networked solution. Digital ...

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IP network technologies
CCTV Handbook 2006
The Internet Protocol (IP) is the most common computer communication protocol today. It is the base protocol used for Internet, e-mail and almost every newly installed network. One of the reasons for ...

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Eye spy with IP - an industry overview of what is in store for IP surveillance systems
CCTV Handbook 2006
Not so long ago, the abbreviation 'IP' was understood in the information technology world to mean Intellectual Property. Now, it most strongly stands for Internet Protocol, a term that just about everyone, ...

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CCTV matrix - real or virtual
CCTV Handbook 2006
The traditional analog matrix is under threat from IP video systems which use a so-called virtual matrix. But are they a true replacement and can they offer the many benefits promised by IP-based solutions? ...

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An evolutionary approach: the migration to digital
CCTV Handbook 2006
Analog video cassette recorders have been supplanted in the last few years by digital hard-disk-based 'hybrid' devices. It has not been until recently, however, that manufacturers have taken the next ...

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Fewer is better: hard drives for digital video security
CCTV Handbook 2006
The video security market is experiencing phenomenal growth, due in large part to the powerful new capabilities delivered by digital video surveillance solutions. Enabling a new generation of sophisticated ...

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Lens selection
CCTV Handbook 2006
Focal length The focal length of the lens is measured in mm and directly relates to the angle of view that will be achieved. Short focal lengths provide wide angles of view and long focal lengths become ...

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Lens terminology
CCTV Handbook 2006
Varifocals Varifocal lenses offer the maximum flexibility for the CCTV installer as they can be adjusted to match the exact scene required by the end user. Once obtained, the view can be fixed by means ...

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Selecting equipment: what is the right CCTV equipment for my application?
CCTV Handbook 2006, Elvey Security Technologies
With all the jargon and acronyms going around it is becoming more and more difficult to choose the right CCTV equipment for a specific application. These days, it seems that terminology is used to create ...

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Beat the heat - designing SVDR systems for optimal thermal performance
CCTV Handbook 2006
While the popularity of digital video surveillance systems continues to soar (JP Freeman estimates worldwide annual growth at approximately 42%), there have been challenges along the way. Surveillance ...

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IP surveillance gaining traction in retail
CCTV Handbook 2006
The retail industry in South Africa has made extensive use of CCTV technologies for some time in an effort to reduce shrinkage. However, while CCTV has made a difference and provided organisations with ...

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The move to digital - rich rewards for diamond mine
CCTV Handbook 2006
An investment of over R20-million in high-tech surveillance technology in the past three years is showing significant payoffs for alluvial diamond miner, Trans Hex Group. In addition to providing security ...

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The Garden Place Hotel
CCTV Handbook 2006
Guests at the Garden Place Hotel can feel the welcoming atmosphere as soon as they enter the elegant front lobby, and at the front desk, realise they are in a safe and controlled environment when they ...

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The camera never sleeps
CCTV Handbook 2006
Many residents' associations have security as their primary concern and are facing the challenges not only of rising crime levels but also of increasingly well-organised criminals who carry out some of ...

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Pushbutton versions for all applications
9 August 2006, Actum, Switches, Relays & Keypads
Knitter-Switch, a leading European switch manufacturer, offers design engineers a wide range of pushbutton switches. Six families of products provide solutions to applications as diverse as industrial ...

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Illuminated tact switch can incorporate any LED colour combination
9 August 2006, Actum, Switches, Relays & Keypads
Ideal for use in a variety of applications, the TSSL 3W illuminated tact switch from Knitter-Switch has a height of just 2,5 mm and a body size of 4,1 x 6,8 mm. Illuminated using two LEDs in any colour ...

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CCTV strategy and the number of operators
August 2006, Leaderware
Camera/monitor/operator ratios have a critical impact on the effectiveness of CCTV

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