DE69421666D1 - Aufzeichnung und Wiedergabe von digitalen Bildsignalen - Google Patents
Aufzeichnung und Wiedergabe von digitalen BildsignalenInfo
- Publication number
- DE69421666D1 DE69421666D1 DE69421666T DE69421666T DE69421666D1 DE 69421666 D1 DE69421666 D1 DE 69421666D1 DE 69421666 T DE69421666 T DE 69421666T DE 69421666 T DE69421666 T DE 69421666T DE 69421666 D1 DE69421666 D1 DE 69421666D1
- Authority
- DE
- Germany
- Prior art keywords
- playback
- recording
- digital image
- image signals
- signals
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
-
- 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
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
- G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
- G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/806—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal
- H04N9/8063—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
-
- 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
- H04N2005/91314—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 pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
-
- 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
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
- H04N9/8045—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
- H04N9/8233—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being a character code signal
- H04N9/8244—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being a character code signal involving the use of subcodes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27763393A JP3500671B2 (ja) | 1993-10-08 | 1993-10-08 | ディジタル画像信号の記録及び/又は再生方法、記録及び/又は再生装置及び記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69421666D1 true DE69421666D1 (de) | 1999-12-23 |
DE69421666T2 DE69421666T2 (de) | 2000-06-08 |
Family
ID=17586152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69421666T Expired - Lifetime DE69421666T2 (de) | 1993-10-08 | 1994-09-26 | Aufzeichnung und Wiedergabe von digitalen Bildsignalen |
Country Status (7)
Country | Link |
---|---|
US (1) | US5579120A (de) |
EP (1) | EP0648050B1 (de) |
JP (1) | JP3500671B2 (de) |
KR (1) | KR100295997B1 (de) |
CA (1) | CA2133141C (de) |
DE (1) | DE69421666T2 (de) |
TW (1) | TW330280B (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6983051B1 (en) * | 1993-11-18 | 2006-01-03 | Digimarc Corporation | Methods for audio watermarking and decoding |
JP3329063B2 (ja) * | 1994-03-29 | 2002-09-30 | ソニー株式会社 | 再生装置 |
KR0152788B1 (ko) | 1994-11-26 | 1998-10-15 | 이헌조 | 디지탈 영상 시스템의 복사 방지 방법 및 장치 |
KR0136458B1 (ko) | 1994-12-08 | 1998-05-15 | 구자홍 | 디지탈 자기 기록재생 시스템의 복사 방지장치 |
US6490113B2 (en) * | 1994-12-22 | 2002-12-03 | Sony Corporation | Recording medium and apparatus for protecting copyrighted digital data |
MY122982A (en) * | 1994-12-22 | 2006-05-31 | Sony Corp | Recording medium and apparatus for protecting copyrighted digital data |
EP0740478B1 (de) | 1995-04-27 | 2002-08-28 | Hitachi, Ltd. | Verfahren und Vorrichtung zum Empfang und/oder Wiedergabe von digitalen Signalen |
EP0829875B1 (de) * | 1995-05-31 | 2002-09-18 | Sony Corporation | Verfahren und vorrichtung zur kodierung von audiosignalen und verfahren und vorrichtung zur dekodierung von audiosignalen |
US7065211B1 (en) * | 1995-07-21 | 2006-06-20 | Sony Corporation | Signal reproducing/recording/transmitting method and apparatus and signal recording medium |
US6345145B1 (en) * | 1995-08-25 | 2002-02-05 | Sony Corporation | Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus |
MX9603764A (es) * | 1995-09-01 | 1997-06-28 | Sony Corp | Aparato de registro de datos y metodo para impedir el copiado ilegal. |
JP3341546B2 (ja) * | 1995-10-05 | 2002-11-05 | ソニー株式会社 | デジタル画像信号の記録再生方法及び記録再生装置 |
JP3430750B2 (ja) * | 1995-10-27 | 2003-07-28 | ソニー株式会社 | ビデオ信号のコピーガード装置および方法 |
JPH09266499A (ja) * | 1996-01-26 | 1997-10-07 | Oki Electric Ind Co Ltd | デジタル復調回路、最大値検出回路及び受信装置 |
EP0878082A2 (de) | 1996-02-02 | 1998-11-18 | Thomson Consumer Electronics, Inc. | System und verfahren zur schnittstellenbildung von mehreren elektronischen vorrichtungen |
US5960398A (en) * | 1996-07-31 | 1999-09-28 | Wictor Company Of Japan, Ltd. | Copyright information embedding apparatus |
MY121267A (en) * | 1996-09-05 | 2006-01-28 | Sony Corp | Digital recording apparatus and copyright protection method thereof |
JP4170424B2 (ja) | 1997-10-31 | 2008-10-22 | 株式会社東芝 | コンピュータ |
JP4106740B2 (ja) * | 1998-02-18 | 2008-06-25 | ソニー株式会社 | 情報記録装置および方法、情報再生装置および方法、並びにプログラム記録媒体 |
US6701062B1 (en) * | 1998-06-06 | 2004-03-02 | Macrovision Corporation | Generational copy control of a video signal |
US6567358B1 (en) | 1998-06-26 | 2003-05-20 | Matsushita Electric Industrial Co., Ltd. | Information recording/reproducing apparatus |
US6442626B1 (en) * | 1998-12-28 | 2002-08-27 | Siemens Aktiengesellschaft | Copy protection system only authorizes the use of data if proper correlation exists between the storage medium and the useful data |
JP2000196877A (ja) * | 1998-12-28 | 2000-07-14 | Canon Inc | 画像処理装置および画像処理装置の著作権保護方法 |
KR100354535B1 (ko) * | 1998-12-30 | 2002-11-18 | 삼성전자 주식회사 | 서브타이틀정보의 전송유무를 화면외부에 표시하는 방송수상기 |
KR100332763B1 (ko) * | 1999-02-10 | 2002-04-17 | 구자홍 | 디지탈데이터 플레이어의 복제방지 장치 및 방법 |
CA2360371A1 (en) * | 1999-12-02 | 2001-06-07 | Masaki Kitahashi | Video recording device, video recording method, and video rate adjusting device |
DE19963189A1 (de) * | 1999-12-27 | 2001-06-28 | Thomson Brandt Gmbh | Suchlauf für einen D-VHS Recorder |
JP3666570B2 (ja) * | 2000-03-30 | 2005-06-29 | 松下電器産業株式会社 | コピー防止方法、及びデジタル放送受信装置 |
JP2001346154A (ja) * | 2000-06-01 | 2001-12-14 | Sony Corp | 画像記録装置及びその画像処理方法 |
KR20040039106A (ko) * | 2002-11-01 | 2004-05-10 | 삼성전자주식회사 | 영상 신호 복제 방지 방법 |
JP4971451B2 (ja) * | 2006-09-29 | 2012-07-11 | イーエムディー ミリポア コーポレイション | 流動式サイトメトリのパルスの区別と応用 |
US8280049B2 (en) * | 2008-08-27 | 2012-10-02 | Rovi Solutions Corporation | Method and apparatus for synthesizing copy protection for reducing/defeating the effectiveness or capability of a circumvention device |
US8374490B2 (en) * | 2010-02-24 | 2013-02-12 | Rovi Technologies Corporation | Method and apparatus for receiving metadata, EPG, or IPG signals in an integrated circuit for control purposes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4855827A (en) * | 1987-07-21 | 1989-08-08 | Worlds Of Wonder, Inc. | Method of providing identification, other digital data and multiple audio tracks in video systems |
FR2658022B1 (fr) * | 1990-02-07 | 1995-09-22 | Telediffusion Fse | Procede et systeme de marquage et d'identification d'information numerisee. |
DE4108728A1 (de) * | 1991-03-18 | 1992-09-24 | Thomson Brandt Gmbh | Aufnahme- und/oder kopiersystem |
US5295188A (en) * | 1991-04-04 | 1994-03-15 | Wilson William J | Public key encryption and decryption circuitry and method |
US5402488A (en) * | 1991-08-30 | 1995-03-28 | Karlock; James A. | Method and apparatus for modifying a video signal |
JPH05174496A (ja) * | 1991-12-25 | 1993-07-13 | Sony Corp | ディジタル記録装置のid信号処理装置 |
JPH0644755A (ja) * | 1992-07-24 | 1994-02-18 | Sony Corp | ビデオ信号の伝送方法及び記録装置 |
US5315448A (en) * | 1993-03-18 | 1994-05-24 | Macrovision Corporation | Copy protection for hybrid digital video tape recording and unprotected source material |
-
1993
- 1993-10-08 JP JP27763393A patent/JP3500671B2/ja not_active Expired - Lifetime
-
1994
- 1994-09-26 DE DE69421666T patent/DE69421666T2/de not_active Expired - Lifetime
- 1994-09-26 EP EP94307003A patent/EP0648050B1/de not_active Expired - Lifetime
- 1994-09-27 US US08/313,382 patent/US5579120A/en not_active Expired - Lifetime
- 1994-09-27 TW TW083108968A patent/TW330280B/zh not_active IP Right Cessation
- 1994-09-28 CA CA002133141A patent/CA2133141C/en not_active Expired - Lifetime
- 1994-10-07 KR KR1019940025660A patent/KR100295997B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0648050B1 (de) | 1999-11-17 |
JP3500671B2 (ja) | 2004-02-23 |
JPH07111634A (ja) | 1995-04-25 |
EP0648050A2 (de) | 1995-04-12 |
KR100295997B1 (ko) | 2001-10-24 |
EP0648050A3 (de) | 1995-10-18 |
CA2133141C (en) | 2005-02-08 |
KR950013283A (ko) | 1995-05-17 |
TW330280B (en) | 1998-04-21 |
DE69421666T2 (de) | 2000-06-08 |
US5579120A (en) | 1996-11-26 |
CA2133141A1 (en) | 1995-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |