Close circuit television cameras, how do they work?

Overview of CCTV Cameras Closed Circuit Television (CCTV) Cameras are usually used for surveillance and security purposes. They use video cameras to transmit a signal to a specific place, on a limited set of monitors. CCTV Cameras are ideally used in areas that may need monitoring such as banks, casinos, airports, military installations, and convenience stores. CCTV equipment may be used to observe parts of a process from a central control room if the environment is not suitable for humans. CCTV systems can also be used in an advanced form utilizing DVRs and providing recording for possibly many years, with a variety of quality and performance options and extra features such as motion-detection and email alerts. CCTV Cameras are categorized by types of images they are able to capture, the amount of frames they can take per minute, the connecting types and whether they are able to move position, and special functions they can provide. How do CCTV Cameras work? CCTV Cameras allow video images to be monitored live, or stored for viewing later. CCTV Cameras either use wireless transmission or a wired transmission to send the broadcast from the video cameras to the monitors or recording devices. The video cameras used for CCTV usually do not look anything like the video cameras that are seen at local electronics store. They are smaller and more specialized for their security purposes. A standard CCTV camera might be in the neighborhood of 4 inches long by 2 1/2 inches wide with a lens on the end, or smaller. Uses of CCTV Cameras Monitoring public areas to detect incidents and to coordinate police responses. Recording events for use as evidence and to inform investigations. Directed surveillance of suspected offenders Deterrence of criminal activity. Preventing losses due to theft Provide 24x7 access to your system from anywhere in the world Increase your ability to efficiently manage your business Types of CCTV Cameras Indoor Cameras As the name suggests, indoor cameras are used for security. It can be mounted at any suitable location inside the building as per your security needs. These cameras are ideal used for security in homes, schools, offices, hotels, etc. Outdoor Cameras Outdoor Cameras are used for outdoor applications such as entry and exit points with limited night lighting. Outdoor Cameras come with a hard shell vandal-proof casings and a variety of lens options. IR Day/Night Camera IR Day/ Night Camera functions like a normal camera with standard colors in daytime and switches to low-lux black and white mode at night. In case of decrease in visibility due to no-light at night, Infrared LEDs are automatically illuminated providing full security. IR Day/ Night Camera are ideally used for high alert security areas where surveillance needs to happen throughout day and night as well as military personals, in parking lots, and high security zones. Dome Camera Dome cameras designed in a way that they go unnoticed by visitors. They are installed inside a dark dome and come in compact design for a discreet appearance. Even if the camera is recording, it goes unnoticed by the thief. The cameras can be rotated and tilted manually. The dome cameras are used in public places like railway station, bus terminals, and other areas where there is huge gathering of people. Bullet Cameras Bullet cameras come placed inside a bullet shaped housing and are used in residential places as well as commercial places. Bullet cameras have an integrated design, are small in size and really effective.They are weatherproof and offer illuminate viewing even in darkness Vandal Proof Cameras Vandal proof cameras are sheltered within solid material and are covered by a “hub” of break-proof glass which doesn’t hinder the quality of the video camera streams. These cameras are hard to break and hence perfect for high security outdoor applications. These cameras can be wall or ceiling mounted and are rain and fog resistant. Hidden (Spy) Cameras Hidden (Spy) Cameras come in a compact size and are used for secret monitoring. These cameras are installed in public places like department stores, theaters, clubs, etc. These cameras record and broadcast simultaneously with the help of a built-in recorder. Various strategic views of the place can be obtained can be obtained by using a large number of security cameras and networking them Pan, Tilt & Zoom Cameras Pan-tilt-zoom cameras allow you to view and zoom in all directions and even set the camera to automatically rotate to different fields of vision. PTZ cameras allow a person to control surveillance of an area to move the camera remotely, usually with an RF or wired controller. These cameras allow the person monitoring it to move the camera from right to left (pan), up and down (tilt) and from a tight angle to a wide angle (close up zoom). Ideal Applications Apartments Airports Casinos Fast Food Night Club Pubs Shopping Malls Day Cares Schools Parking Lots Offices Colleges Homes