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
|