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Macrovision was first intoduced in about 1983 to combat piracy. All pre-1983 VCRs both Beta and VHS will ignore the Macrovision signal I do believe as well.
Disney was one of the first movie companies to use the Macrovision technology to protect their movies on both of their Beta and VHS releases in about 1983-84.
There were a few other pre-1983 copy-protection systems employed on home video releases as well on both Beta and VHS also which were very, very rarely used.
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