AU7506298A - Video copy protection process enhancement to introduce horizontal and vertical picture distortions - Google Patents

Video copy protection process enhancement to introduce horizontal and vertical picture distortions

Info

Publication number
AU7506298A
AU7506298A AU75062/98A AU7506298A AU7506298A AU 7506298 A AU7506298 A AU 7506298A AU 75062/98 A AU75062/98 A AU 75062/98A AU 7506298 A AU7506298 A AU 7506298A AU 7506298 A AU7506298 A AU 7506298A
Authority
AU
Australia
Prior art keywords
copy protection
protection process
vertical picture
video copy
process enhancement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU75062/98A
Other versions
AU710403B2 (en
Inventor
Jeremy J Corcoran
Alistair J Knox
Ronald Quan
John O. Ryan
Peter J. Wonfor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adeia Solutions LLC
Original Assignee
Macrovision Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/062,866 external-priority patent/US5583936A/en
Application filed by Macrovision Corp filed Critical Macrovision Corp
Publication of AU7506298A publication Critical patent/AU7506298A/en
Application granted granted Critical
Publication of AU710403B2 publication Critical patent/AU710403B2/en
Assigned to ROVI SOLUTIONS CORPORATION reassignment ROVI SOLUTIONS CORPORATION Request to Amend Deed and Register Assignors: MACROVISION CORPORATION
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

AU75062/98A 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions Expired AU710403B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US062866 1993-05-17
US08/062,866 US5583936A (en) 1993-05-17 1993-05-17 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU70171/94A AU7017194A (en) 1993-05-17 1994-05-09 Video copy protection process enhancement to introduce horizontal and vertical picture distortions

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU70171/94A Division AU7017194A (en) 1993-05-17 1994-05-09 Video copy protection process enhancement to introduce horizontal and vertical picture distortions

Publications (2)

Publication Number Publication Date
AU7506298A true AU7506298A (en) 1998-09-03
AU710403B2 AU710403B2 (en) 1999-09-16

Family

ID=25636200

Family Applications (6)

Application Number Title Priority Date Filing Date
AU75065/98A Expired AU710279B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU75062/98A Expired AU710403B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU75066/98A Expired AU708661B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU75063/98A Expired AU702667B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU75064/98A Expired AU702568B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU81869/98A Expired AU702665B2 (en) 1993-05-17 1998-08-26 Video copy protection process enhancement to introduce horizontal and vertical picture distortions

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU75065/98A Expired AU710279B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions

Family Applications After (4)

Application Number Title Priority Date Filing Date
AU75066/98A Expired AU708661B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU75063/98A Expired AU702667B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU75064/98A Expired AU702568B2 (en) 1993-05-17 1998-07-08 Video copy protection process enhancement to introduce horizontal and vertical picture distortions
AU81869/98A Expired AU702665B2 (en) 1993-05-17 1998-08-26 Video copy protection process enhancement to introduce horizontal and vertical picture distortions

Country Status (1)

Country Link
AU (6) AU710279B2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5194965A (en) * 1983-11-23 1993-03-16 Macrovision Corporation Method and apparatus for disabling anti-copy protection system in video signals
DE3443857A1 (en) * 1984-11-30 1986-06-05 VPS Video-Programm Service GmbH, 8000 München METHOD FOR PRODUCING COPY-PROTECTED MAGNETIC RECORDING CARRIERS
US5157510A (en) * 1990-12-20 1992-10-20 Macrovision Corporation Method and apparatus for disabling anti-copy protection system in video signals using pulse narrowing

Also Published As

Publication number Publication date
AU702568B2 (en) 1999-02-25
AU708661B2 (en) 1999-08-12
AU7506698A (en) 1998-09-03
AU702667B2 (en) 1999-02-25
AU710403B2 (en) 1999-09-16
AU7506498A (en) 1998-09-03
AU710279B2 (en) 1999-09-16
AU702665B2 (en) 1999-02-25
AU7506598A (en) 1998-10-01
AU8186998A (en) 1998-10-15
AU7506398A (en) 1998-09-03

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