Stop Copy: Difference between revisions

'''Stop Copy''' is a very early copy protection system that was generally used on videotapes from 1978 to 1983, though some companies continued to use the system until around 1986, when the system's successor, the [[Analog Protection System]] was released. This copy protection system resulted in tapes from thisaround datethis rangetime sometimes developing vertical-roll issues when playing on modern videotape players and/or modern television sets.