NL8303859A - Selektief scramblen bij compact disc. - Google Patents

Selektief scramblen bij compact disc. Download PDF

Info

Publication number
NL8303859A
NL8303859A NL8303859A NL8303859A NL8303859A NL 8303859 A NL8303859 A NL 8303859A NL 8303859 A NL8303859 A NL 8303859A NL 8303859 A NL8303859 A NL 8303859A NL 8303859 A NL8303859 A NL 8303859A
Authority
NL
Netherlands
Prior art keywords
blocks
information
data bits
bits
record carrier
Prior art date
Application number
NL8303859A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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
Application filed by Philips Nv filed Critical Philips Nv
Priority to NL8303859A priority Critical patent/NL8303859A/nl
Priority to US06/614,934 priority patent/US4603413A/en
Priority to DE19843438565 priority patent/DE3438565A1/de
Priority to SE8405573A priority patent/SE455028B/sv
Priority to GB08428108A priority patent/GB2149560B/en
Priority to CH5338/84A priority patent/CH665726A5/de
Priority to ES537436A priority patent/ES537436A0/es
Priority to BE0/213982A priority patent/BE901020A/fr
Priority to CA000467393A priority patent/CA1224266A/fr
Priority to FR8417098A priority patent/FR2559935A1/fr
Priority to AU35258/84A priority patent/AU570881B2/en
Priority to JP59235322A priority patent/JPS60115072A/ja
Priority to KR1019840007060A priority patent/KR850004144A/ko
Publication of NL8303859A publication Critical patent/NL8303859A/nl

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
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00579—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 data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3063—Subcodes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/1469—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof modulation code with one or more merging bits between consecutive codewords

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
NL8303859A 1983-11-10 1983-11-10 Selektief scramblen bij compact disc. NL8303859A (nl)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NL8303859A NL8303859A (nl) 1983-11-10 1983-11-10 Selektief scramblen bij compact disc.
US06/614,934 US4603413A (en) 1983-11-10 1984-05-29 Digital sum value corrective scrambling in the compact digital disc system
DE19843438565 DE3438565A1 (de) 1983-11-10 1984-10-20 Selektives verwuerfeln beim compact disc
SE8405573A SE455028B (sv) 1983-11-10 1984-11-07 Forfarande for selektiv forvrengning i kompaktskivsystem, samt apparat for uppteckning resp avlesning av information for utforande av forfarandet
GB08428108A GB2149560B (en) 1983-11-10 1984-11-07 Method of and apparatus for, recording and/or reproducing information in or from an optical record carrier
CH5338/84A CH665726A5 (de) 1983-11-10 1984-11-07 Verfahren und anordnung zum schreiben und/oder lesen von information.
ES537436A ES537436A0 (es) 1983-11-10 1984-11-07 Un metodo de registrar informacion en forma de una pista de areas opticamente detectables de un soporte optico de registro
BE0/213982A BE901020A (fr) 1983-11-10 1984-11-08 Procede et dispositif d'enregistrement et/ou de lecture d'information et support d'information optique realise.
CA000467393A CA1224266A (fr) 1983-11-10 1984-11-08 Brouillage selectif pour disques compacts
FR8417098A FR2559935A1 (fr) 1983-11-10 1984-11-09 Procede d'enregistrement et/ou de lecture d'information pour un support d'information optique, dispositif pour la mise en oeuvre de ce procede et support d'information realise pour la mise en oeuvre du procede
AU35258/84A AU570881B2 (en) 1983-11-10 1984-11-09 Compact disk selective scrambling
JP59235322A JPS60115072A (ja) 1983-11-10 1984-11-09 情報記録／読取り方法及び装置
KR1019840007060A KR850004144A (ko) 1983-11-10 1984-11-10 컴팩트 디스크 시스템의 기록 반송자내 정보기록 및 판독방법과 그 수행장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8303859 1983-11-10
NL8303859A NL8303859A (nl) 1983-11-10 1983-11-10 Selektief scramblen bij compact disc.

Publications (1)

Publication Number Publication Date
NL8303859A true NL8303859A (nl) 1985-06-03

Family

ID=19842694

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8303859A NL8303859A (nl) 1983-11-10 1983-11-10 Selektief scramblen bij compact disc.

Country Status (13)

Country Link
US (1) US4603413A (fr)
JP (1) JPS60115072A (fr)
KR (1) KR850004144A (fr)
AU (1) AU570881B2 (fr)
BE (1) BE901020A (fr)
CA (1) CA1224266A (fr)
CH (1) CH665726A5 (fr)
DE (1) DE3438565A1 (fr)
ES (1) ES537436A0 (fr)
FR (1) FR2559935A1 (fr)
GB (1) GB2149560B (fr)
NL (1) NL8303859A (fr)
SE (1) SE455028B (fr)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113715A (ja) * 1984-06-28 1986-01-22 Mitsubishi Electric Corp ２段符号化された符号の復号装置
JP2565184B2 (ja) * 1985-02-28 1996-12-18 ソニー株式会社 信号選択回路
DE3676870D1 (de) * 1985-04-22 1991-02-21 Csk Corp Binaeres kodierverfahren fuer daten, welche von einer optischen platte gelesen werden und geraet dafuer.
US4726029A (en) * 1985-09-10 1988-02-16 Hycom Incorporated Error-correcting modem
JP2666367B2 (ja) * 1988-05-24 1997-10-22 ソニー株式会社 Ｍスクランブル回路
JPH0244583A (ja) * 1988-08-05 1990-02-14 Toshiba Corp データ伝送装置
NL8802291A (nl) * 1988-09-16 1990-04-17 Koninkl Philips Electronics Nv Inrichting voor het verzenden van datawoorden welke een gedigitaliseerde analoog signaal vertegenwoordigen en een inrichting voor het ontvangen van de verzonden datawoorden.
KR910013186A (ko) * 1989-12-29 1991-08-08 강진구 Efm 변조회로
DE69331166T2 (de) * 1992-02-03 2002-08-22 Koninklijke Philips Electronics N.V., Eindhoven Übertragung von digitalen Breitbandsignalen
EP0554934B1 (fr) * 1992-02-03 2001-11-21 Koninklijke Philips Electronics N.V. Transmission de signaux numerique à bande large
DE4329712C2 (de) * 1993-09-02 1997-07-10 Sonopress Prod CD-Masteringverfahren
JP2927163B2 (ja) * 1993-11-30 1999-07-28 日本ビクター株式会社 情報信号記録方法及び情報信号記録装置
US5949750A (en) * 1993-11-30 1999-09-07 Victor Company Of Japan, Ltd. Method and apparatus for recording an information signal with scrambling thereof
KR100310217B1 (ko) * 1993-12-21 2002-06-20 이데이 노부유끼 디지탈데이타처리장치및그방법
DE69615548T2 (de) * 1995-04-10 2002-05-29 Kabushiki Kaisha Toshiba, Kawasaki Optischer aufzeichnungsträger und verfahren zur aufzeichnung und wiedergabe dessen signalen
US5699434A (en) * 1995-12-12 1997-12-16 Hewlett-Packard Company Method of inhibiting copying of digital data
KR100219481B1 (ko) * 1996-05-23 1999-09-01 윤종용 시디롬 디코더의 디스크램블링 데이타 생성방법 및그장치와이를이용한디스크램블러
KR0176141B1 (ko) * 1996-06-25 1999-04-15 김광호 메모리 다중 영역 관리장치 및 방법
US5898394A (en) * 1996-07-31 1999-04-27 Matsushita Electric Industrial Co., Ltd. Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus
USRE39771E1 (en) * 1996-07-31 2007-08-14 Matsushita Electric Industrial Co., Ltd. Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus
US7155016B1 (en) 1999-08-20 2006-12-26 Paradyne Corporation Communication device and method for using non-self-synchronizing scrambling in a communication system
BR0112805A (pt) * 2000-07-28 2003-07-01 Macrovision Europ Ltd Proteção contra cópia para discos óticos
US6909385B2 (en) * 2001-07-09 2005-06-21 Seagate Technology Llc Method and apparatus for suppressing low frequency content in digital data
KR20040026688A (ko) * 2001-07-23 2004-03-31 코닌클리케 필립스 일렉트로닉스 엔.브이. 데이터 비트를 인코딩하는 방법 및 장치
GB0304015D0 (en) * 2003-02-21 2003-03-26 Macrovision Europ Ltd Copy protection for applications
JP2003196829A (ja) * 2001-12-25 2003-07-11 Sanyo Electric Co Ltd データ処理装置
JP2003323761A (ja) * 2002-05-02 2003-11-14 Sony Corp デジタルデータの記録媒体、記録方法、記録装置、再生方法、再生装置、送信方法および送信装置
GB0301700D0 (en) * 2003-01-24 2003-02-26 Macrovision Corp The copy protection of optical discs
GB0304016D0 (en) * 2003-02-21 2003-03-26 Macrovision Europ Ltd The transmission of information
US20050060620A1 (en) * 2003-09-11 2005-03-17 Hogan Josh N. Method of increasing capacity of an optical disc
GB2414337B (en) 2004-05-19 2008-10-29 Macrovision Europ Ltd The copy protection of optical discs
US7624282B2 (en) * 2004-10-12 2009-11-24 Macrovision Corporation Method and apparatus for DVD copy protection with selective data pattern insertion
US20060253722A1 (en) * 2005-04-21 2006-11-09 Nielsen Hans H Uncopyable optical media through sector errors
US7701825B2 (en) * 2005-06-17 2010-04-20 Macrovision Corporation Apparatus for and a method of authenticating recording media
WO2006136986A2 (fr) * 2005-06-21 2006-12-28 Koninklijke Philips Electronics N.V. Dispositif et procede pour integrer un signal d'informations secondaire au flux de donnees de canal d'un signal d'informations primaire, au moyen d'un embrouillage

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31311A (en) * 1861-02-05 Method oe believing geographical outlines on molded elastic globes
NL7508096A (nl) * 1975-07-08 1977-01-11 Philips Nv Inrichting voor het overdragen van digitale infor- matie.
US4150404A (en) * 1975-07-08 1979-04-17 U.S. Philips Corporation Device for transferring digital information
US4234898A (en) * 1978-03-15 1980-11-18 Nippon Hoso Kyokai Digital magnetic recording and reproducing apparatus
US4282551A (en) * 1979-04-11 1981-08-04 Hitachi, Ltd. PCM Recording and reproducing apparatus
DE2922082C2 (de) * 1979-05-31 1981-08-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und Anordnung zur Übertragung einer Binärfolge
JPS5644238A (en) * 1979-09-20 1981-04-23 Fujitsu Ltd Supervisory circuit of reverse diffusion device
NL8003476A (nl) * 1980-06-16 1982-01-18 Philips Nv Werkwijze voor het coderen van databits op een regis- tratiedrager, inrichting voor het uitvoeren van de werkwijze, registratiedrager voorzien van een infor- matiestructuur en inrichting voor het decoderen van het van de registratiedrager uitgelezen signaal.
NL8003474A (nl) * 1980-06-16 1982-01-18 Philips Nv Werkwijze voor het coderen van databits op een regis- tratiedrager, inrichting voor het uitvoeren van de werkwijze en registratiedrager voorzien van een informatiestructuur.
NL8006165A (nl) * 1980-11-12 1982-06-01 Philips Nv Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem.
JPS583118A (ja) * 1981-06-30 1983-01-08 Sony Corp デイスク再生装置の波形変換回路
JPS5875353A (ja) * 1981-10-29 1983-05-07 Pioneer Electronic Corp デ−タ変換方式

Also Published As

Publication number Publication date
ES8601542A1 (es) 1985-10-16
SE455028B (sv) 1988-06-13
SE8405573L (sv) 1985-05-11
FR2559935A1 (fr) 1985-08-23
GB8428108D0 (en) 1984-12-12
KR850004144A (ko) 1985-07-01
GB2149560A (en) 1985-06-12
GB2149560B (en) 1986-12-10
AU3525884A (en) 1985-05-16
JPS60115072A (ja) 1985-06-21
US4603413A (en) 1986-07-29
ES537436A0 (es) 1985-10-16
SE8405573D0 (sv) 1984-11-07
CH665726A5 (de) 1988-05-31
BE901020A (fr) 1985-05-08
AU570881B2 (en) 1988-03-24
DE3438565A1 (de) 1985-05-23
CA1224266A (fr) 1987-07-14

Similar Documents

Publication Publication Date Title
NL8303859A (nl) Selektief scramblen bij compact disc.
US5828754A (en) Method of inhibiting copying of digital data
JP3814966B2 (ja) 記録媒体、データ伝送装置、データ受信装置及び光ディスク装置
RU2239243C2 (ru) Способ вставки дополнительных данных в информационный сигнал, устройство для вставки дополнительных данных в информационный сигнал и носитель данных
EP0755055A2 (fr) Transmission, enregistrement et reproduction de données
JPH0343813B2 (fr)
EP0918326B1 (fr) Méthode pour inhiber la copie de données numériques
JPH02243024A (ja) ２値符号復合装置
KR970002868A (ko) 데이타 기록 및 재생 장치
SK280673B6 (sk) Spôsob zaznamenávania číslicového signálu na magne
EP1288944A2 (fr) Appareil d'enregistrement d'informations, support d'enregistrement d'informations et appareil de reproduction d'informations
CN1256728C (zh) 用于记录媒体的记录设备和记录方法，以及用于记录媒体的重放设备和重放方法
JP3170123B2 (ja) 誤り訂正回路
NL8302403A (nl) Registratiestelsel voor digitale informatiesignalen.
JPH01201876A (ja) エラー防止データを含む複トラックデータパターンが設けられた記録担体用のデコード装置及びそのようなデコード装置を有する再生装置
JP4265096B2 (ja) 信号変調方法及び情報記録媒体
CN1883005B (zh) 产生在光盘的脉冲切割区中提供的输出数据的装置及方法
JP4424929B2 (ja) 情報記録媒体、情報再生装置及び情報再生方法
KR100250577B1 (ko) 비디오 씨디의 동기 검출장치
JPH05250816A (ja) デジタルデータ記録再生装置
JPH08102152A (ja) ディジタル信号記録方法及びディスク再生装置
JPH07211014A (ja) 誤り訂正符号符号化方法、誤り訂正符号復号化方法、誤り訂正符号符号化装置、誤り訂正符号復号化装置、デイジタル信号符号化方法、デイジタル信号復号化方法、デイジタル信号符号化装置、デイジタル信号復号化装置及び記録媒体
JPS6326473B2 (fr)
US20140064054A1 (en) Detection of data in burst cutting area of optical disk
JPH02260923A (ja) ４／１１符号生成方法及び装置

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed