Macrovision analog copy protection

GPTKB entity

Statements (20)
Predicate Object
gptkbp:instanceOf copy protection technology
gptkbp:alsoKnownAs gptkb:Macrovision
gptkbp:appliesTo gptkb:DVD
gptkb:VHS
set-top boxes
gptkbp:circumvention possible with video stabilizers
gptkbp:developedBy gptkb:Macrovision_Corporation
gptkbp:effect causes distortion in copied video
causes brightness fluctuations in unauthorized copies
https://www.w3.org/2000/01/rdf-schema#label Macrovision analog copy protection
gptkbp:introducedIn 1980s
gptkbp:legalStatus protected by patents
gptkbp:method inserts pulses into video signal
gptkbp:replacedBy gptkb:digital_rights_management_(DRM)
gptkbp:status largely obsolete
gptkbp:technology analog video copy protection
gptkbp:usedFor preventing unauthorized copying of DVDs
preventing unauthorized copying of VHS tapes
gptkbp:bfsParent gptkb:Macrovision
gptkbp:bfsLayer 7