cctv full form

CCTV Full Form

What is the Full Form of CCTV

CCTV stands for “Closed-Circuit Television.” It refers to a system of video cameras used to transmit a signal to a specific, limited set of monitors. Unlike broadcast television, the signal is not openly transmitted but is used for surveillance and security purposes within a particular area, such as banks, stores, airports, and public spaces.

History of CCTV

The use of CCTV dates back to the 1940s. Initially, it was developed for overseeing rocket launching. By the 1960s and 1970s, its use expanded significantly for security and surveillance in commercial and public spaces. Over the years, advancements in technology have greatly enhanced the capabilities of CCTV systems, incorporating digital recording, internet streaming, and high-definition imaging.

Various Types Of CCTV

CCTV systems vary based on their functionality and design:

  1. Dome Cameras: Often used indoors and known for their discreet, dome-shaped housings.
  2. Bullet Cameras: Long and cylindrical, suitable for outdoor use with a longer viewing range.
  3. Infrared/Night Vision Cameras: Capable of capturing images in complete darkness.
  4. Wireless Cameras: Offer more flexibility in placement and often easier to install.

Different Parts of the CCTV

A basic CCTV system includes:

  1. Cameras: The eyes of the system, capturing video footage.
  2. Cables or Wireless Network: For transmitting the video signal.
  3. Recording Device: Such as a DVR (Digital Video Recorder) to store footage.
  4. Monitors: For live viewing or playback of video.

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