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Analog Protection System: Difference between revisions
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The '''Analog Protection System''' (APS), also known as '''Copyguard''' by some people, is a videocassette and videodisc [[Copy protection systems|copy protection system]] originally developed by [[Macrovision Corporation]]. The system was developed to help stop bootleggers who were making pirated copies of videotapes and videodiscs recorded directly from the original copies.
==List of Customers==
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