FR2535885B1 - Procede et appareil pour dejouer le copiage non autorise de donnees enregistrees - Google Patents
Procede et appareil pour dejouer le copiage non autorise de donnees enregistreesInfo
- Publication number
- FR2535885B1 FR2535885B1 FR8312643A FR8312643A FR2535885B1 FR 2535885 B1 FR2535885 B1 FR 2535885B1 FR 8312643 A FR8312643 A FR 8312643A FR 8312643 A FR8312643 A FR 8312643A FR 2535885 B1 FR2535885 B1 FR 2535885B1
- Authority
- FR
- France
- Prior art keywords
- recorded data
- unauthorized copying
- playing out
- out unauthorized
- playing
- 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.)
- Expired - Fee Related
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
- G11B20/00659—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a control step which is implemented as an executable file stored on the 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
- G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
- G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the 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
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00586—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of 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
- G11B20/00681—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
- G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
- G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43990782A | 1982-11-08 | 1982-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2535885A1 FR2535885A1 (fr) | 1984-05-11 |
FR2535885B1 true FR2535885B1 (fr) | 1993-07-23 |
Family
ID=23746629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8312643A Expired - Fee Related FR2535885B1 (fr) | 1982-11-08 | 1983-08-01 | Procede et appareil pour dejouer le copiage non autorise de donnees enregistrees |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5987571A (fr) |
CH (1) | CH666363A5 (fr) |
DE (1) | DE3319343A1 (fr) |
FR (1) | FR2535885B1 (fr) |
GB (1) | GB2131580B (fr) |
IL (1) | IL69999A (fr) |
NL (1) | NL8303773A (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0110511B1 (fr) * | 1982-11-22 | 1988-03-02 | Dysan Corporation | Méthode et dispositif pour vérifier une mémoire à disque |
IL68989A (en) * | 1983-06-15 | 1985-03-31 | Amiran Grynberg | Diskette protection |
US4577289A (en) * | 1983-12-30 | 1986-03-18 | International Business Machines Corporation | Hardware key-on-disk system for copy-protecting magnetic storage media |
GB2162992B (en) * | 1984-08-09 | 1988-10-12 | Edward Peter Campbell Sington | A method of recording a computer program |
US4823210A (en) * | 1984-08-13 | 1989-04-18 | Verbatim Corporation | Copy protected disk |
US4644493A (en) * | 1984-09-14 | 1987-02-17 | International Business Machines Corporation | Implementing a shared higher level of privilege on personal computers for copy protection of software |
GB2173327A (en) * | 1985-03-15 | 1986-10-08 | David Allan Phillips | Copy protecting computer programs |
GB8511995D0 (en) * | 1985-05-11 | 1985-06-19 | Ross S R | Software protection |
US4858036A (en) * | 1986-08-04 | 1989-08-15 | Peter Ginkel | Software protection and identification system |
US4980782A (en) * | 1985-06-03 | 1990-12-25 | Peter Ginkel | Software protection and identification system |
US4849836A (en) * | 1985-06-07 | 1989-07-18 | Software Heaven, Inc. | Copy protection for computer discs |
JP2771808B2 (ja) * | 1986-12-27 | 1998-07-02 | ソニー株式会社 | 記録媒体 |
GB2204970A (en) * | 1987-05-19 | 1988-11-23 | Gen Electric Co Plc | Data storage system |
NL8801275A (nl) * | 1988-05-18 | 1989-12-18 | Philips Nv | Optekensysteem alsmede registratiedrager en schrijfinrichting voor toepassing in het systeem. |
DE3810276A1 (de) * | 1988-03-25 | 1989-10-05 | Peter Bodinet | Verfahren zum identifizieren von unauthorisiert vervielfaeltigten edv - programmen |
JPH0244448A (ja) * | 1988-08-05 | 1990-02-14 | Nec Corp | フロッピーディスク |
US4935835A (en) * | 1988-11-10 | 1990-06-19 | Insite Peripherals, Inc. | Magnetic media containing reference feature and methods for referencing magnetic head position to the reference feature |
DE4009103A1 (de) * | 1990-03-21 | 1991-09-26 | Innomed Megabrain Entspannungs | Verfahren zur wissensvermittlung |
US5418852A (en) * | 1992-03-18 | 1995-05-23 | Fujitsu Limited | Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus |
JP3980706B2 (ja) * | 1997-05-23 | 2007-09-26 | 危機管理株式会社 | Icカードおよびその認証装置 |
DE19842392C1 (de) * | 1998-09-16 | 1999-12-30 | Ok Media Disc Service Gmbh & C | Kopierschutzverfahren |
DE60116870T2 (de) * | 2000-05-18 | 2006-09-14 | 3Lfants Ltd. | Sicherheitsvorrichtung sowie diese vorrichtung enthaltender gegenstand |
DE10217551A1 (de) * | 2002-04-19 | 2003-11-06 | Helmut Alexander Lotze | Vorrichtung und Verfahren zur Verhinderung unberechtigter Verwendung von Software |
GB2373091A (en) * | 2002-05-29 | 2002-09-11 | Donald Eric Butterfield | Copy protection |
CN102576570A (zh) * | 2009-07-17 | 2012-07-11 | 安全内容储存联合有限责任公司 | 简单的非自主对等媒体克隆检测 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1529566A (en) * | 1974-10-16 | 1978-10-25 | Emi Ltd | Magnetic recording |
GB1529939A (en) * | 1975-10-06 | 1978-10-25 | Emi Ltd | Method of verification of magnetic records |
GB1525292A (en) * | 1976-04-30 | 1978-09-20 | Emi Ltd | Identification of records |
US4214280A (en) * | 1978-05-30 | 1980-07-22 | Xerox Corporation | Method and apparatus for recording data without recording on defective areas of a data recording medium |
US4337659A (en) * | 1979-06-29 | 1982-07-06 | Burroughs Corporation | Computer tape and reel signature for computer data file security |
-
1983
- 1983-05-27 DE DE19833319343 patent/DE3319343A1/de not_active Withdrawn
- 1983-05-30 JP JP58094232A patent/JPS5987571A/ja active Pending
- 1983-08-01 FR FR8312643A patent/FR2535885B1/fr not_active Expired - Fee Related
- 1983-10-18 IL IL69999A patent/IL69999A/xx unknown
- 1983-10-21 CH CH5728/83A patent/CH666363A5/de not_active IP Right Cessation
- 1983-11-01 GB GB08329177A patent/GB2131580B/en not_active Expired
- 1983-11-02 NL NL8303773A patent/NL8303773A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS5987571A (ja) | 1984-05-21 |
IL69999A0 (en) | 1984-01-31 |
FR2535885A1 (fr) | 1984-05-11 |
DE3319343A1 (de) | 1984-05-10 |
GB8329177D0 (en) | 1983-12-07 |
NL8303773A (nl) | 1984-06-01 |
IL69999A (en) | 1985-07-31 |
CH666363A5 (de) | 1988-07-15 |
GB2131580A (en) | 1984-06-20 |
GB2131580B (en) | 1987-06-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2535885B1 (fr) | Procede et appareil pour dejouer le copiage non autorise de donnees enregistrees | |
FR2524237B1 (fr) | Appareil d'enregistrement de signaux video | |
FR2475339B1 (fr) | Appareil et procede d'enregistrement et de reproduction numerique | |
FR2623669B1 (fr) | Appareil et procede d'egalisation pour la transmission de donnees | |
FR2530845B1 (fr) | Dispositif de lecture de donnees pour appareil de traitement de donnees | |
JPS56105321A (en) | Method and device for cleaning headdsurface of playback and*or sound or picture recording machine | |
FR2520959B1 (fr) | Procede et appareil d'enregistrement et de reproduction notamment d'un signal de television en couleur | |
GB8331560D0 (en) | Information recording/reproducing apparatus | |
FR2506107B1 (fr) | Procede et appareil permettant d'enregistrer une information numerique sur des pistes d'enregistrement | |
FR2522182B1 (fr) | Appareil permettant de choisir et de reproduire automatiquement un support d'enregistrement | |
FR2527876B1 (fr) | Procede de reproduction d'images comprenant une fonction de retouche et appareil pour sa mise en oeuvre | |
FR2598828B1 (fr) | Procede de reproduction d'une image et appareil pour sa mise en oeuvre. | |
GB2121229B (en) | Methods and apparatus for recording and reproducing information signals | |
FR2619240B1 (fr) | Appareil de reproduction ou lecteur de disque et procede pour un acces rapide | |
FR2492133B1 (fr) | Procede pour proteger contre la retransmission des informations introduites sur un support de donnees et appareil pour l'introduction ou la lecture d'une information protegee contre la retransmission | |
FR2468182B1 (fr) | Procede et appareil pour l'enregistrement et la reproduction magnetique de signaux numeriques | |
GB2127607B (en) | Musical data recording apparatus | |
FR2506963B1 (fr) | Procede et appareil de traitement electrophotographique pour reproduction de documents | |
FR2535503B1 (fr) | Dispositif de chargement de bandes pour appareils d'enregistrement et/ou de reproduction | |
FR2525141B1 (fr) | Appareil et procede pour cimentation en mousse | |
FR2494480B1 (fr) | Procede et appareil d'enregistrement de signaux d'information | |
GB2115184B (en) | Information signal reproducing apparatus and devices for and methods of moving pick-up means thereof | |
FR2490437B1 (fr) | Circuit de detection d'un signal periodique pour appareil de reproduction | |
FR2551277B1 (fr) | Procede et appareil pour la conversion de donnees numeriques | |
FR2524752B1 (fr) | Systeme d'enregistrement de signaux numeriques et appareil de reproduction de ces signaux |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
AR | Application made for restoration | ||
BR | Restoration of rights | ||
ST | Notification of lapse |