Article by Nikita
Security Camera is the most important part of a security system. Camera security system is generally used to capture the image or observation on a specific targeted area. CCTV is the use of video cameras to transmit a signal to a specific area. CCTV is different from broadcast television as all the equipment is directly connected together with cables or wireless transmitters that can not be received by standard television sets. The transmissions of the video signals are only intended to be accessible by the equipment on its dedicated closed circuit.
CCTV Security Camera is generally used in areas where there is an increased need for security, such as banks, airports and town centers. CCTV was initially developed as a means to increase security for banks but over time it has developed into a cost effective means of general video surveillance and home security. CCTV Cameras are available in color, monochrome. Monochrome CCTV Camera are more sensitive than color CCTV Cameras to the low lighting environment, color CCTV camera has advantages over monochrome for recording color information e.g. color of a car.
A basic CCTV system contains the following equipments:
* Camera, lens and power supply. * Recording device, VCR or a digital video recorder. * A monitor. * Wiring
Different types of CCTV cameras are:
1. Board Cameras2. C Mount Cameras3. IR Cameras4. IP Cameras5. Zoom Cameras6. Speed Dome Cameras
CCTV Camera types may vary with their nature of uses: CCTV PC based digital recorders can also be connected to the internet for remote access to the DVR. Covert CCTV is the practice of using video cameras in locations that are not made obvious to the persons being monitored in the specific CCTV camera coverage area, used for the purposes of preventing crime. Remote CCTV means accessing CCTV images over a computer network or telephone network. IP CCTV refers to Internet Protocol Closed Circuit Television; traditional CCTV systems use digital or analogue cameras using analogue cables that connect to a recording device such as a digital video recorder.