She was the inventor of the home security system in 1966, along with her husband Albert Brown. In the same year they jointly applied for a patent, which was granted in 1969. Brown was born in Jamaica, Queens, New York; (October 30, 1922 – February 2, 1999).
Inspired by how long it would take the police to arrive in her neighborhood, Brown invented the first form of a home security system. Her work hours were not the standard 9-5, and the crime rate in their Queens, New York City neighborhood was very high. Wondering who was on the other side of her door was always something Brown regretted doing. Brown's system had a set of three peepholes.
Marie Van Brittan Brown The invention was basically the first closed-circuit television security system and is predecessor to the modern home systems today. It led to the foundation for video monitoring, remote-controlled door locks, push-button alarm triggers, instant messaging to security providers and police, as well as two-way voice communication. The fame of Brown’s device also led to the more prevalent CCTV surveillance in public areas According to a 2016 New Scientist report, 100 million concealed closed-circuit cameras are now in operation worldwide.
