. "U-matic"@en . "300404355" . "2016-02-18T14:19:37"^^ . "2016-02-29T10:03:25"^^ . "Proprietary name for an analog videocassette format developed by Sony in 1969, using 3/4\" tape with a running speed of 3.75 inches per second. The format was popular in semi-professional industrial, educational and broadcast contexts from the 1970s until the advent of digital video technology."@en . . "U-Matic"@en . .