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  2. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    IP cameras are considered part of the Internet of things and have many of the same benefits and security risks as other IP-enabled devices. [159] Smart doorbells are one example of a type of CCTV that uses IP to allow it to send alerts. Main types of IP cameras include fixed cameras, pan–tilt–zoom (PTZ) cameras, and multi-sensor cameras. [160]

  3. Pan–tilt–zoom camera - Wikipedia

    en.wikipedia.org/wiki/Pan–tilt–zoom_camera

    PoE PTZ Camera: A PoE (power over Ethernet) PTZ camera may be powered and connected to the internet with a single Ethernet cable, eliminating the need for additional wiring. Analog PTZ Camera: Analog pan-tilt-zoom cameras are used to record surveillance footage, which is then stored in a DVR. DVR functionality is essential for converting ...

  4. PTZ - Wikipedia

    en.wikipedia.org/wiki/PTZ

    PTZ camera, capable of pan, tilt, and zoom movement; PTZ, IATA code for Rio Amazonas Airport in Pastaza Province, Ecuador; Pacific Time Zone, name of UTC-8 time zone in the US and Canada; PTZ, "pointz" collected by users of the defunct social commerce site Lockerz; PTZ, pressure (P), temperature (T), and compressibility (Z) of a gas in an ...

  5. Electronics industry in Bangladesh - Wikipedia

    en.wikipedia.org/wiki/Electronics_industry_in...

    As of November 2020, the industry was estimated to be worth ৳ 26700 crore (US$2.2 billion), with a yearly growth rate of 11%. [1] As of 2024, locally manufactured and assembled televisions had a 90% market share, 70% to 75% air conditioners (AC) were manufactured locally and 80% domestic demands of refrigerators were met by local manufacturers.

  6. Zoom lens - Wikipedia

    en.wikipedia.org/wiki/Zoom_lens

    Nikkor 28–200 mm zoom lens, extended to 200 mm at left and collapsed to 28 mm focal length at right. A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens ().

  7. List of cities and towns in Bangladesh - Wikipedia

    en.wikipedia.org/wiki/List_of_cities_and_towns...

    The urban population rose to 20% in 1991 and to 24% by 2001. In 2011, Bangladesh had an urban population of 28% and the rate of urban population growth was estimated at 2.8%. [3] At this growth rate, Bangladesh's urban population would reach 79 million or 42% of the population by 2035.