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Marie Van Brittan Brown

Born in 1922, Marie Van Brittan Brown was the first person to develop the patent for closed circuit television security. Her mechanism consisted of a motorized camera and four peepholes. The camera could be moved from one peephole to the next, and the camera’s images were displayed on a monitor. The door could also be unlocked remotely using an electrical switch. Brown’s invention was patented in 1969, and became the framework for the modern closed circuit television system that is widely used for surveillance, crime prevention, and traffic monitoring.
 
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