Marie Van Brittan Brown was an African American inventor who, along with her husband, Albert Brown, invented the home security system. In 1966, they received a patent for their invention, which featured a closed-circuit television system (CCTV) that could transmit video images from the front door to a monitor inside the home. Their system also included a two-way microphone, allowing homeowners to communicate with visitors without opening the door. Additionally, it had a mechanism for unlocking the door remotely.
Van Brittan Brown's invention laid the groundwork for modern home security systems, demonstrating an early understanding of the importance of surveillance and communication technology in protecting homes and enhancing safety. Her pioneering work has had a lasting impact on the field of home security and has influenced subsequent innovations in the industry
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