1942 – First CCTV security camera surveillance system installed. German Engineer Walter Bruch was responsible for the design and installation of the CCTV security camera surveillance system.

1956 – First VCR produced by Ampex Corporation team led by Charles Ginsburg. 19 year old engineer Ray Dolby was also part of the team. Built for commercial business use.

1960 – First digital camera signals used in camera over analog by NASA.

1972 – First VCR for home use produced by Philips.

1996 – The first IP camera was released in 1996 Axis Communications.

1998 – First consumer Digital Video Recorders (DVR) released to the public.