AU3613684A - Procede et dispositif anti-piraterie pour supports d'images cinematographiques et video - Google Patents
Procede et dispositif anti-piraterie pour supports d'images cinematographiques et videoInfo
- Publication number
- AU3613684A AU3613684A AU36136/84A AU3613684A AU3613684A AU 3613684 A AU3613684 A AU 3613684A AU 36136/84 A AU36136/84 A AU 36136/84A AU 3613684 A AU3613684 A AU 3613684A AU 3613684 A AU3613684 A AU 3613684A
- Authority
- AU
- Australia
- Prior art keywords
- piraterie
- cinematographiques
- procede
- pour
- images
- 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.)
- Abandoned
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
- G11B20/00695—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are read from the recording medium
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00876—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy wherein physical copy protection means are attached to the medium, e.g. holograms, sensors, or additional semiconductor circuitry
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH6243/83 | 1983-11-21 | ||
CH624383 | 1983-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3613684A true AU3613684A (en) | 1985-06-03 |
Family
ID=4306523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU36136/84A Abandoned AU3613684A (en) | 1983-11-21 | 1984-11-20 | Procede et dispositif anti-piraterie pour supports d'images cinematographiques et video |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0162071A1 (en) |
AU (1) | AU3613684A (en) |
WO (1) | WO1985002293A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU577011B2 (en) * | 1985-04-17 | 1988-09-08 | Macrovision Corporation | Video signal processor for prohibiting vtr recording |
AU600522B2 (en) * | 1986-03-04 | 1990-08-16 | Macrovision Corporation | Method and apparatus for removing pseudo-sync and/or AGC pulses from a video signal |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0743825B2 (en) * | 1985-12-04 | 1995-05-15 | ソニー株式会社 | Dubbing method |
KR930008167B1 (en) * | 1986-08-11 | 1993-08-26 | 매크로비젼 코포레이션 | Method and apparatus for preventing the copying of a video program |
EP0328532A4 (en) * | 1986-10-02 | 1990-04-09 | Harmon I Cogert | Audio-video recording system. |
US4841378A (en) * | 1986-10-02 | 1989-06-20 | Short Takes, Inc. | Video camera enablement system utilizing a video cassette characteristic |
DE3707608A1 (en) * | 1987-03-10 | 1988-09-22 | Hormann Franz Juergen | Method of coding to prevent video and audio piracy |
DE3850530T2 (en) * | 1987-06-30 | 1994-10-27 | Toshiba Kawasaki Kk | Recording / playback system and method with recording restriction function. |
US5057947A (en) * | 1988-02-10 | 1991-10-15 | Matsushita Electric Industrial Co., Ltd. | Recording and reproducing apparatus with limited digital copying |
US5185792A (en) * | 1988-02-10 | 1993-02-09 | Matsushita Electric Industrial Co., Ltd. | Recording and reproducing apparatus with limited digital copying |
US5231546A (en) * | 1988-02-10 | 1993-07-27 | Matsushita Electric Industrial Co., Ltd. | Recording and reproducing apparatus with limited digital copying |
GB8809346D0 (en) * | 1988-04-20 | 1988-05-25 | Emi Plc Thorn | Improvements relating to marked recorded signals |
JPH0644755A (en) * | 1992-07-24 | 1994-02-18 | Sony Corp | Method for transmitting video signal and recorder therefor |
JP3217137B2 (en) * | 1992-07-28 | 2001-10-09 | 株式会社日立製作所 | Video signal recording device, playback device, and transmission device |
IT1258475B (en) * | 1992-09-04 | 1996-02-26 | PROCEDURE FOR THE IDENTIFICATION OF FILM FILMS, VIDEO CASSETTE MATRICES | |
JP3319141B2 (en) * | 1994-03-27 | 2002-08-26 | ソニー株式会社 | Image signal processing device |
CN1136724C (en) * | 1997-10-08 | 2004-01-28 | 麦克罗维西恩公司 | Method and apparatus for copy-once water mark for video recording |
MX231727B (en) * | 1999-02-25 | 2005-11-01 | Macrovision Corp | Method and apparatus for enhanced audio/video services with watermarks and associated data. |
PT1496516E (en) * | 2003-07-11 | 2006-12-29 | Gerhard Lehmann | Identification of an information reproducing carrier |
US7187633B2 (en) | 2003-07-11 | 2007-03-06 | Gerhard Lehmann | Marking of a data medium material for information intended for reproduction |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4030128A (en) * | 1974-11-21 | 1977-06-14 | Bell & Howell Company | Video record scrambling and unscrambling |
CH610135A5 (en) * | 1976-09-02 | 1979-03-30 | Patek Philippe | Method of recording on a magnetic medium and magnetic medium recorded according to this method |
JPS56124101A (en) * | 1980-02-29 | 1981-09-29 | Nippon Columbia Co Ltd | Tone arm |
AU547877B2 (en) * | 1980-09-26 | 1985-11-07 | B. Lofberg | Method for processing an information signal and means for carrying out the method |
GB2104701B (en) * | 1981-08-06 | 1985-06-05 | James Bertram King | Method and apparatus for preventing unauthorised recording of source material (eg, a gramophone recording) |
FR2515403A1 (en) * | 1981-10-28 | 1983-04-29 | Quadrivium Inf | METHOD FOR IDENTIFYING A SOUND RECORDING AND DUPLICATION INSTALLATION IMPLEMENTING THE METHOD |
DE3235344A1 (en) * | 1982-05-10 | 1984-03-01 | npm new production marketing, 2000 Hamburg | Copying-protected prerecorded video cassette and method and coder for producing and method and decoder for playing such a video cassette |
FR2540659A1 (en) * | 1983-02-09 | 1984-08-10 | Sisex | DEVICE FOR PROTECTING MAGNETIC TAPES, OR OTHER RECORDING MEDIA, OR TELEVISION OR RADIO TRANSMISSION AGAINST UNAUTHORIZED READING AND / OR REPRODUCTION |
-
1984
- 1984-11-20 AU AU36136/84A patent/AU3613684A/en not_active Abandoned
- 1984-11-20 EP EP19840904083 patent/EP0162071A1/en not_active Withdrawn
- 1984-11-20 WO PCT/CH1984/000185 patent/WO1985002293A1/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU577011B2 (en) * | 1985-04-17 | 1988-09-08 | Macrovision Corporation | Video signal processor for prohibiting vtr recording |
AU600522B2 (en) * | 1986-03-04 | 1990-08-16 | Macrovision Corporation | Method and apparatus for removing pseudo-sync and/or AGC pulses from a video signal |
Also Published As
Publication number | Publication date |
---|---|
WO1985002293A1 (en) | 1985-05-23 |
EP0162071A1 (en) | 1985-11-27 |
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