U-matic

U-matic was an analog videocassette format introduced by Sony as a prototype in October 1969, and it was officially released in September 1971. It was the first commercially available videocassette, as opposed to reel-to-reel or open reel formats at the time. 
It was popular with news departments and other industries; for the former, this led to the term "electronic news gathering" being coined in the 1970s, at a time when most other stations used film. It would be phased out throughout the 1980s and 90s, and recordings were transferred to other standards.