CCTV Camera

CCTV CAMERA

CCTV (closed-circuit television) is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes. CCTVrelies on strategic placement of cameras, and observation of the camera's input on monitors somewhere.

                                                PIC FROM 1960'S

CCTV involves the use of an unmanned, remotely mounted video camera system, transmitting live pictures back to a television screen where developments can be monitored and recorded. CCTV was first developed in the late 1970s and was initially confined to high-risk security targets, such as banks.

Covert surveillance was made possible, because for the first time in history, acamera could be used without drawing any attention. 1942: Closed Circuit Television (CCTV) is first used in Germany. German scientists developed the technology so that they could monitor the launch of V2 rockets.

Different types of cctv cameras

   There are different types of cctv cameras

• Dome CCTV Camera

Dome Security Cameras are named for their dome like shape. Dome cameras are commonly used in surveillance systems inside of homes, casinos, retail stores, and restaurants. This is because dome cameras are more fashionable and blend in very well to their surroundings. Because of their dome shape, it is difficult for someone to tell which direction the lens of a Dome Camera is actually aiming.

• Bullet CCTV Camera

Bullet security cameras are a type video surveillance camera that are typically small and shaped like a rifle bullet shell or lipstick case. Smaller bullet cameras are typically the diameter of a cigar, but they are shorter. Sometimes they are referred to as lipstick cameras. Bullet cameras can easily mount to ceilings or walls because most of them use a tri-axis type of mount. Not all bullet camera are small. Infrared bullet cameras tend to be larger in diameter to accommodate the additional space that their IR LEDs require.

• C-Mount CCTV Camera

A C mount is a type of lens mount commonly found on 16 mm movie cameras, closed-circuit televisioncameras, machine vision cameras and microscope phototubes. C-mount lenses provide a male thread, which mates with a female thread on the camera.