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2. Standards for Alarm Systems, Installation, and Monitoring

   en.wikipedia.org/wiki/Standards_for_Alarm...

   The Underwriters Laboratories' UL 2610 is a comprehensive safety standard that governs the construction, performance, operation, and maintenance of security alarm systems and units for commercial premises, such as mercantile and banking locations. The standard details requirements for a range of alarm systems including central station burglar ...

3. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   In September 1968, Olean, New York, was the first city in the United States to install CCTV video cameras along its main business street in an effort to fight crime. [25] Marie Van Brittan Brown received a patent for the design of a CCTV-based home security system in 1969. (U.S. patent 3,482,037).

4. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

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6. Specification (technical standard) - Wikipedia

   en.wikipedia.org/wiki/Specification_(technical...

   An "in-service" or "maintained as" specification, specifies the conditions of a system or object after years of operation, including the effects of wear and maintenance (configuration changes). Specifications are a type of technical standard that may be developed by any of various kinds of organizations, in both the public and private sectors.

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8. Design rule for Camera File system - Wikipedia

   en.wikipedia.org/wiki/Design_rule_for_Camera...

   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 ...

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