Biography of inventor albert brown

Closed-circuit television, invented during World War II for military use, was not widespread in the s, and the Browns proposed using the technology to create the first modern home security system. They filed a patent for their device in , citing Marie as lead inventor. It was approved three years later. Brown, also African-American. Their daughter also became a nurse and inventor.

Marie died in Queens on February 2, aged seventy-six. The crime rate in their neighborhood was very high and the police typically took a lot of time to arrive. This led the Browns to invent their home audio-video security system. On August 1, , the Browns submitted a patent application for their invention. Their attorneys were Polacheck and Saulsbury, a New York firm.

The invention consisted, at the door, of an electrically controlled lock, several lensed peepholes with covers, a vertically sliding video scanner camera and controlling motors, loudspeaker and microphone as well as associated electronics, filters, power supply, radio receiver and transmitter. The camera could be remotely moved from peephole to peephole, mechanically uncovering and recovering them as it went.

The camera was connected by radio to a television monitor mounted on a control panel inside the home.

Biography of inventor albert brown

The television monitor allowed the occupant to see who was at the door without opening it while the microphones and loudspeakers allowed the occupant to communicate radiophonically with the visitor. A series of filters on the door receiver allowed commands from push buttons on the control panel to be transmitted by radio to control the position of the camera and operate the lock.

The patent also mentions the possibility of forwarding sound or vision to a security center, or recording them. A pushbutton alarm system to contact police or others is also included. Philip Emeagwali Dr. Betty Harris Dr. Shirley Jackson Lonnie G. Marie Van Brittan Brown was an African American woman who contributed her livelihood to the invention of the first home security system.

She was born in in Queens, New York, she greatly saw the importance of protection in her area- while being a nurse. Unlike most of the medical professionals in her area, she was not working a regular shift. Instead, she worked unusual hours and felt extremely vulnerable while living in an area with crime rates increasing by the minute. She was constantly finding ways to live a safe lifestyle, but watching how slow police were to respond to emergencies and crime in her neighborhood struck her conscience.