Category details
CategoryU-matic (TM)
Alternative terms3⁄4-inch Type E Helical Scan, SMPTE E, three-quarter inch
SourceArt & Architecture Thesaurus
Overview
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.