JPH11507160A - ビデオ識別特徴を用いた種々の記録媒体用コピープロテクト方法及び装置 - Google Patents
ビデオ識別特徴を用いた種々の記録媒体用コピープロテクト方法及び装置Info
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- JPH11507160A JPH11507160A JP9500643A JP50064397A JPH11507160A JP H11507160 A JPH11507160 A JP H11507160A JP 9500643 A JP9500643 A JP 9500643A JP 50064397 A JP50064397 A JP 50064397A JP H11507160 A JPH11507160 A JP H11507160A
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Classifications
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- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
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- G11B20/00485—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
- G11B20/00536—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
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- G11B20/00913—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 based on a spread spectrum technique
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- 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
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- H04N7/00—Television systems
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- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/165—Centralised control of user terminal ; Registering at central
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- 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
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
- G06F7/724—Finite field arithmetic
- G06F7/725—Finite field arithmetic over elliptic curves
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- 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
- G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
- G11B20/00173—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software wherein the origin of the content is checked, e.g. determining whether the content has originally been retrieved from a legal disc copy or another trusted source
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- G11B20/00601—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 wherein properties of tracks are altered, e.g., by changing the wobble pattern or the track pitch, or by adding interruptions or eccentricity
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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- 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
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- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/605—Copy protection
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- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
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- 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
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- H04N5/91—Television signal processing therefor
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- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91342—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being an authentication signal
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- H04N5/76—Television signal recording
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- 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
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
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- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Storage Device Security (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Collating Specific Patterns (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. プログラム配布媒体にコピープロテクトを施す方法であって、 コピープロテクトされるべき前記媒体に認証サインを付加し、 プログラムデータを入力し、 該プログラムデータに識別特徴信号を付加し、 該識別特徴信号が付加されたプログラムデータを符号化し、 該符号化されたデータを前記媒体に記録し、 媒体再生機において前記認証サインを検出し、 前記媒体から前記記録された符号化データを検出し、 該検出された符号化データを復号し、 前記識別特徴信号を検出し、 前記認証信号及び前記識別特徴信号が検出された場合に、前記復号されたデー タをデータ出力装置に入力し、 前記識別特徴信号が検出されない場合に前記復号されたデータを入力する、各 段階よりなる方法。 2. 前記プログラムデータはビデオ信号よりなる請求項1記載の方法。 3. 前記識別特徴は、前記ビデオ信号の複数のフレームの第1のフィールドの 小さな付加的リフトと、第2のフィールドの小さな低下リフトよりなる請求項2 記載の方法。 4. プログラム配布媒体にコピープロテクトを施す装置であって、 コピープロテクトされるべき前記媒体に認証サインを付加する手段と、 プログラムデータを入力する手段と、 該プログラムデータに識別特徴信号を付加する手段と、 該識別特徴信号が付加されたプログラムデータを符号化する手段と、 該符号化されたデータを前記媒体に記録する手段と、 媒体再生機において前記認証サインを検出する手段と、 前記媒体から前記記録された符号化データを検出する手段と、 該検出された符号化データを復号する手段と、 前記識別特徴信号を検出する手段と、 前記認証信号及び前記識別特徴信号が検出された場合に、前記復号されたデー タをデータ出力装置に入力する手段と、 前記識別特徴信号が検出されない場合に前記復号されたデータを入力する手段 とを備える装置。 5.プログラム配布媒体のコピープロテクトの再生装置であって、 認証サイン検出器と、 記録された符号化データを前記媒体から検出する第1の検出器と、 前記検出された符号化データを復号する復号器と、 前記復号データ内に識別特徴信号が存在することを検出する第2の検出器と、 前記認証サイン及び前記識別特徴が存在すること、又は、前記識別特徴信号が 存在しないことを検出する第3の検出器と、 前記第3の検出器により制御され、前記認証サイン及び前記識別特徴の双方の 存在が検出され、又は、前記識別特徴が存在しないことが検出された場合に、前 記復号データを入力する前記復号データ手段の出力をデータ出力装置に供給する セレクターとを備える装置。 6. 記録媒体のマスタリングプロセスにおいてコピープロテクト を施す方法であって、 データストリームを入力し、 識別特徴信号を前記データストリーム内に挿入し、 前記識別特徴信号付きデータストリームを符号化し、 前記識別特徴信号付きデータストリームを前記記録媒体に記録し、 認証サイン信号を生成し、 前記認証サイン信号をディスクマスタリング装置のタイムベース制御機構に結 合し、前記タイムベース制御機構を前記認証サイン信号に応じて修正する各段階 よりなる方法。 7. 前記記録媒体は光学式コンパクトディスクである請求項6記載の方法。 8. 前記記録媒体はDVDディスクである請求項6記載の方法。 9. 前記記録媒体は磁気テープである請求項6記載の方法。 10. 前記データストリームはビデオ信号である請求項6記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/473,047 | 1995-06-07 | ||
US08/473,047 US5659613A (en) | 1994-06-29 | 1995-06-07 | Method and apparatus for copy protection for various recording media using a video finger print |
PCT/US1996/007376 WO1996041468A1 (en) | 1995-06-07 | 1996-05-22 | Method and apparatus for copy protection for various recording media using a video finger print |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11507160A true JPH11507160A (ja) | 1999-06-22 |
JP3780320B2 JP3780320B2 (ja) | 2006-05-31 |
Family
ID=23877979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50064397A Expired - Lifetime JP3780320B2 (ja) | 1995-06-07 | 1996-05-22 | ビデオ識別特徴を用いた種々の記録媒体用コピープロテクト方法及び装置 |
Country Status (18)
Country | Link |
---|---|
US (1) | US5659613A (ja) |
EP (1) | EP0830783B1 (ja) |
JP (1) | JP3780320B2 (ja) |
KR (1) | KR100421577B1 (ja) |
CN (1) | CN1140118C (ja) |
AT (1) | ATE198248T1 (ja) |
AU (1) | AU700013B2 (ja) |
BR (1) | BR9608560A (ja) |
CA (1) | CA2220845C (ja) |
DE (1) | DE69611300T2 (ja) |
DK (1) | DK0830783T3 (ja) |
ES (1) | ES2152534T3 (ja) |
GR (1) | GR3035549T3 (ja) |
NZ (1) | NZ308842A (ja) |
PT (1) | PT830783E (ja) |
RU (1) | RU2163056C2 (ja) |
TR (1) | TR199701540T1 (ja) |
WO (1) | WO1996041468A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7146498B1 (en) | 1999-02-22 | 2006-12-05 | Matsushita Electric Industrial Co., Ltd. | Computer and program recording medium |
Families Citing this family (140)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6122403A (en) | 1995-07-27 | 2000-09-19 | Digimarc Corporation | Computer system linked by using information in data objects |
US6408082B1 (en) | 1996-04-25 | 2002-06-18 | Digimarc Corporation | Watermark detection using a fourier mellin transform |
US6611607B1 (en) | 1993-11-18 | 2003-08-26 | Digimarc Corporation | Integrating digital watermarks in multimedia content |
US6614914B1 (en) | 1995-05-08 | 2003-09-02 | Digimarc Corporation | Watermark embedder and reader |
US6424725B1 (en) | 1996-05-16 | 2002-07-23 | Digimarc Corporation | Determining transformations of media signals with embedded code signals |
US7171016B1 (en) | 1993-11-18 | 2007-01-30 | Digimarc Corporation | Method for monitoring internet dissemination of image, video and/or audio files |
US6516079B1 (en) | 2000-02-14 | 2003-02-04 | Digimarc Corporation | Digital watermark screening and detecting strategies |
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 |
CN101303717B (zh) * | 1995-02-13 | 2015-04-29 | 英特特拉斯特技术公司 | 用于安全交易管理和电子权利保护的系统和方法 |
PL315880A1 (en) * | 1995-09-01 | 1997-03-03 | Sony Corp | Apapratus for recording data and method of preventing illegal copying |
EP0809245B1 (en) * | 1996-05-02 | 2002-04-10 | Texas Instruments Incorporated | Improvements in or relating to security systems |
US6381341B1 (en) | 1996-05-16 | 2002-04-30 | Digimarc Corporation | Watermark encoding method exploiting biases inherent in original signal |
US5805699A (en) * | 1996-05-20 | 1998-09-08 | Fujitsu Limited | Software copying system |
US7917643B2 (en) | 1996-09-12 | 2011-03-29 | Audible, Inc. | Digital information library and delivery system |
US5926624A (en) | 1996-09-12 | 1999-07-20 | Audible, Inc. | Digital information library and delivery system with logic for generating files targeted to the playback device |
JPH1093914A (ja) * | 1996-09-18 | 1998-04-10 | Sony Corp | データ伝送方法、データ送信装置、データ受信装置のパラメータ設定方法、データ受信装置、データ伝送システム、再生方法、及び再生装置 |
TW311999B (en) * | 1996-10-16 | 1997-08-01 | Ibm | Method of recording media data on recording media, accessing media data and system thereof |
KR100215705B1 (ko) * | 1996-11-02 | 1999-08-16 | 구자홍 | 기기록 정보의 보호기능을 가진 정보 기록방법 |
US5915018A (en) * | 1996-11-05 | 1999-06-22 | Intel Corporation | Key management system for DVD copyright management |
US6198875B1 (en) * | 1996-12-20 | 2001-03-06 | Texas Instruments Incorporated | Tiris based bios for protection of “copyrighted” program material |
JP3106985B2 (ja) * | 1996-12-25 | 2000-11-06 | 日本電気株式会社 | 電子すかし挿入装置及び検出装置 |
US6081897A (en) * | 1997-01-13 | 2000-06-27 | Recording Industry Of America | Apparatus for monitoring and preventing unauthorized copying of digital data |
JP3901268B2 (ja) | 1997-01-23 | 2007-04-04 | ソニー株式会社 | 情報信号出力制御装置、情報信号出力制御方法、情報信号複製防止装置および情報信号複製防止方法 |
JP3349910B2 (ja) * | 1997-02-12 | 2002-11-25 | 日本電気株式会社 | 画像データエンコードシステム |
EP0860997B1 (en) * | 1997-02-24 | 2008-12-10 | Nec Corporation | Digital data encode system |
US6211919B1 (en) * | 1997-03-28 | 2001-04-03 | Tektronix, Inc. | Transparent embedment of data in a video signal |
US6381367B1 (en) * | 1997-05-29 | 2002-04-30 | Macrovision Corp. | Method and apparatus for compression compatible video fingerprinting |
US6118741A (en) * | 1997-06-19 | 2000-09-12 | Mimnagh; Winslow M. | Method and device for recording information on a carrier |
US6434538B1 (en) | 1997-07-07 | 2002-08-13 | Matsushita Electric Industrial Co., Ltd. | Data control method, for embedding data control information, method for detecting data control information, device for embedding data control information and device for recording data |
JP3588536B2 (ja) * | 1997-07-11 | 2004-11-10 | 株式会社東芝 | 不正データコピー防止装置及び方法 |
KR100323441B1 (ko) * | 1997-08-20 | 2002-06-20 | 윤종용 | 엠펙2동화상부호화/복호화시스템 |
ES2155230T3 (es) * | 1997-08-28 | 2001-05-01 | Sony Dadc Austria Ag | Sistema para gestionar el copiado de un disco optico. |
KR100306457B1 (ko) | 1997-09-02 | 2001-10-19 | 가나이 쓰도무 | 매립된데이터를위한데이터전송방법,데이터전송및재생장치,및그를위한정보기록매체 |
JP3902863B2 (ja) | 1997-09-03 | 2007-04-11 | 株式会社日立製作所 | データ重畳方法とデータ再生方法、及び、情報埋め込み方法と情報読みだし方法 |
DE69822950T2 (de) | 1997-09-03 | 2009-09-24 | Hitachi, Ltd. | Verfahren und System zum Einbetten von Information in Daten |
JP3103061B2 (ja) * | 1997-09-12 | 2000-10-23 | インターナショナル・ビジネス・マシーンズ・コーポレ−ション | トークン作成装置および該トークンを用いたデータ制御システム |
SG70120A1 (en) | 1997-09-17 | 2000-01-25 | Hitachi Ltd | Recording/reproducing method and apparatus processing apparatus and recording medium for video signal having copy control information |
AU729762B2 (en) * | 1997-10-08 | 2001-02-08 | Digimarc Corporation | Method and apparatus for a copy-once watermark for video recording |
US6490408B1 (en) * | 1997-10-28 | 2002-12-03 | Lg Electronics Inc. | Apparatus and method for determining ID information recorded on an information-stored medium |
IL122498A0 (en) * | 1997-12-07 | 1998-06-15 | Contentwise Ltd | Apparatus and methods for manipulating sequences of images |
US6037984A (en) * | 1997-12-24 | 2000-03-14 | Sarnoff Corporation | Method and apparatus for embedding a watermark into a digital image or image sequence |
JPH11203049A (ja) * | 1998-01-14 | 1999-07-30 | Hitachi Ltd | ドライブ接続システムおよび光情報記録媒体のドライブ接続システム |
US6076165A (en) * | 1998-01-16 | 2000-06-13 | Sony Corporation | Method for authenticating digital recording devices |
IL123028A (en) | 1998-01-22 | 2007-09-20 | Nds Ltd | Protection of data on media recording disks |
JP3570213B2 (ja) | 1998-03-27 | 2004-09-29 | 株式会社日立製作所 | 電子透かし画像処理方法 |
US6137952A (en) * | 1998-04-02 | 2000-10-24 | Hewlett-Packard Company | Apparatus and method for degrading the quality of unauthorized copies of color images and video sequences |
JP3890737B2 (ja) | 1998-04-14 | 2007-03-07 | 株式会社日立製作所 | ディジタル映像信号または音声信号の再生装置及び再生方法 |
US6272283B1 (en) | 1998-04-22 | 2001-08-07 | Neomagic Corp. | Copy-protection for laptop PC by disabling TV-out while viewing protected video on PC display |
US6684199B1 (en) * | 1998-05-20 | 2004-01-27 | Recording Industry Association Of America | Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data media for same |
US6253237B1 (en) * | 1998-05-20 | 2001-06-26 | Audible, Inc. | Personalized time-shifted programming |
US6553127B1 (en) | 1998-05-20 | 2003-04-22 | Macrovision Corporation | Method and apparatus for selective block processing |
IL124595A (en) | 1998-05-21 | 2009-09-01 | Yossef Tsuria | Anti-piracy system |
US6567358B1 (en) | 1998-06-26 | 2003-05-20 | Matsushita Electric Industrial Co., Ltd. | Information recording/reproducing apparatus |
US6158005A (en) * | 1998-09-10 | 2000-12-05 | Audible, Inc. | Cloning protection scheme for a digital information playback device |
JP3464178B2 (ja) | 1998-09-25 | 2003-11-05 | 株式会社ソニー・コンピュータエンタテインメント | 情報認証方法、ディスク再生装置及びエンタテインメント装置 |
JP3978559B2 (ja) * | 1998-11-13 | 2007-09-19 | インターナショナル・ビジネス・マシーンズ・コーポレーション | デジタルデータ管理方法および装置 |
US8175977B2 (en) | 1998-12-28 | 2012-05-08 | Audible | License management for digital content |
WO2000041392A1 (en) * | 1999-01-06 | 2000-07-13 | Digital Video Express, L.P. | Content packet distribution system |
KR100701256B1 (ko) * | 1999-04-14 | 2007-03-29 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 정보의 복제방지 방법 및 시스템 |
US6882728B1 (en) * | 1999-04-28 | 2005-04-19 | Hitachi, Ltd. | Reproduction apparatus and decoding apparatus |
US6424998B2 (en) | 1999-04-28 | 2002-07-23 | World Theatre, Inc. | System permitting the display of video or still image content on selected displays of an electronic display network according to customer dictates |
IL129725A (en) | 1999-05-02 | 2011-06-30 | Nds Ltd | Watermark system |
JP3685382B2 (ja) * | 1999-05-25 | 2005-08-17 | 日本ビクター株式会社 | 映像情報記録装置 |
US6785815B1 (en) | 1999-06-08 | 2004-08-31 | Intertrust Technologies Corp. | Methods and systems for encoding and protecting data using digital signature and watermarking techniques |
JP2001036723A (ja) * | 1999-07-16 | 2001-02-09 | Sony Corp | 著作権保護方法、情報信号伝送システム、情報信号出力装置、情報信号受信装置および情報信号記録媒体 |
US6952685B1 (en) | 1999-08-27 | 2005-10-04 | Ochoa Optics Llc | Music distribution system and associated antipiracy protection |
US7209900B2 (en) | 1999-08-27 | 2007-04-24 | Charles Eric Hunter | Music distribution systems |
US20060212908A1 (en) | 1999-08-27 | 2006-09-21 | Ochoa Optics Llc | Video distribution system |
US8090619B1 (en) | 1999-08-27 | 2012-01-03 | Ochoa Optics Llc | Method and system for music distribution |
US6647417B1 (en) | 2000-02-10 | 2003-11-11 | World Theatre, Inc. | Music distribution systems |
US7647618B1 (en) | 1999-08-27 | 2010-01-12 | Charles Eric Hunter | Video distribution system |
JP2001210013A (ja) * | 1999-11-15 | 2001-08-03 | Hitachi Ltd | データ再生装置 |
US7082413B2 (en) * | 1999-11-24 | 2006-07-25 | International Business Machines Corporation | System and method for authorized compression of digitized music |
US6850901B1 (en) | 1999-12-17 | 2005-02-01 | World Theatre, Inc. | System and method permitting customers to order products from multiple participating merchants |
US9252898B2 (en) | 2000-01-28 | 2016-02-02 | Zarbaña Digital Fund Llc | Music distribution systems |
JP3962522B2 (ja) | 2000-02-14 | 2007-08-22 | パイオニア株式会社 | 情報記録媒体 |
US6715122B2 (en) * | 2000-02-23 | 2004-03-30 | Doug Carson & Associates, Inc. | Copy protection through symbol substitution and induced errors |
US6898038B1 (en) * | 2000-03-15 | 2005-05-24 | Seagate Technology, Llc | Method and apparatus for disc drive data security using fields in servo wedges |
EP1193975A4 (en) * | 2000-04-04 | 2005-01-26 | Sony Corp | TRANSMITTER, SIGNAL TRANSMISSION METHOD, DATA DISTRIBUTION SYSTEM AND METHOD, DATA RECEIVER, DATA PROCESSING DEVICE AND METHOD AND DATA TRANSMITTER |
US7370367B2 (en) * | 2000-05-18 | 2008-05-06 | 3Lfants Limited | Security device and article incorporating same |
AU2001275709B2 (en) * | 2000-07-28 | 2006-11-09 | Rovi Europe Limited | Copy protection for optical discs |
JP4269501B2 (ja) * | 2000-09-07 | 2009-05-27 | ソニー株式会社 | 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体 |
EP1317734B1 (en) * | 2000-09-15 | 2005-02-16 | Trustcopy Pte Ltd | Optical watermark |
US7054256B2 (en) | 2000-10-20 | 2006-05-30 | Ochoa Optics Llc | High capacity digital data storage by transmission of radiant energy through arrays of small diameter holes |
US8112311B2 (en) | 2001-02-12 | 2012-02-07 | Ochoa Optics Llc | Systems and methods for distribution of entertainment and advertising content |
US20020112243A1 (en) * | 2001-02-12 | 2002-08-15 | World Theatre | Video distribution system |
US7979914B2 (en) | 2001-06-25 | 2011-07-12 | Audible, Inc. | Time-based digital content authorization |
US7088352B2 (en) | 2002-06-19 | 2006-08-08 | Novus Partners Llc | Dynamic device and method for dispensing machines |
US7098870B2 (en) | 2001-06-29 | 2006-08-29 | Novus Partners Llc | Advertising method for dynamic billboards |
US7015875B2 (en) | 2001-06-29 | 2006-03-21 | Novus Partners Llc | Dynamic device for billboard advertising |
US7098869B2 (en) | 2001-06-29 | 2006-08-29 | Novus Partners Llc | Business method for billboard advertising |
US7778515B2 (en) * | 2001-07-02 | 2010-08-17 | Sony Corporation | System and method for linking DVD text to recommended viewing |
GB0304015D0 (en) * | 2003-02-21 | 2003-03-26 | Macrovision Europ Ltd | Copy protection for applications |
CA2354470A1 (en) * | 2001-07-30 | 2003-01-30 | Cloakware Corporation | Active content for secure digital media |
US7960005B2 (en) | 2001-09-14 | 2011-06-14 | Ochoa Optics Llc | Broadcast distribution of content for storage on hardware protected optical storage media |
US7127066B2 (en) * | 2001-10-03 | 2006-10-24 | Now Showing Entertainment, Inc. | Limited use DVD-video disc |
US7233781B2 (en) | 2001-10-10 | 2007-06-19 | Ochoa Optics Llc | System and method for emergency notification content delivery |
BR0302854A (pt) * | 2002-01-28 | 2004-04-27 | Koninkl Philips Electronics Nv | Método para obter autorização a para autorizar um processo de replicação de portadora de mìdia, sistema de replicação arranjado para um processo de replicação de portadora de mìdia, e, servidor de verificação arranjado para autorizar um processo de replicação de portadora de mìdia |
US20050111661A1 (en) | 2002-02-01 | 2005-05-26 | Arie Wijnen | Anti-copy protection for a video signal |
US6987870B2 (en) * | 2002-03-15 | 2006-01-17 | Sharp Laboratories Of America, Inc. | System and method for selecting a destination profile using biometrics |
US20040199780A1 (en) | 2002-03-22 | 2004-10-07 | Heung-Chan Seung | Copy-protected optical recording medium, a method for driving therefor and a method of manufacturing thereof |
US20030226020A1 (en) * | 2002-06-04 | 2003-12-04 | Ripley Michael S. | Protecting digital broadcast content from unauthorized redistribution |
US20040052203A1 (en) * | 2002-09-13 | 2004-03-18 | Brollier Brian W. | Light enabled RFID in information disks |
KR100456633B1 (ko) * | 2002-10-23 | 2004-11-10 | 한국전자통신연구원 | 핑거프린팅 기법을 이용한 불법 유통 방지 장치 및 방법 |
EP1576447A1 (en) * | 2002-12-17 | 2005-09-21 | Koninklijke Philips Electronics N.V. | System to allow content sharing |
US20040125990A1 (en) * | 2002-12-26 | 2004-07-01 | Motorola, Inc. | Method and apparatus for asperity detection |
GB0301700D0 (en) * | 2003-01-24 | 2003-02-26 | Macrovision Corp | The copy protection of optical discs |
US20040153442A1 (en) * | 2003-02-04 | 2004-08-05 | Mantz Brian D. | Method and apparatus to generate a controlled copy of information stored on an optical storage media |
GB0304016D0 (en) * | 2003-02-21 | 2003-03-26 | Macrovision Europ Ltd | The transmission of information |
US7546296B2 (en) * | 2003-03-19 | 2009-06-09 | Ricoh Company, Ltd. | Information processing apparatus started from a program recorded on a recording medium with well-maintained security, and a recording medium storing such a program and a producing method of such a recording medium |
JP2004288281A (ja) * | 2003-03-20 | 2004-10-14 | Sony Corp | 記録媒体及びその製造方法、再生方法及び再生装置 |
US7400726B2 (en) * | 2003-07-07 | 2008-07-15 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for preventing unauthorized use of a copyrighted medium |
US20050078822A1 (en) * | 2003-10-08 | 2005-04-14 | Eyal Shavit | Secure access and copy protection management system |
US7028893B2 (en) * | 2003-12-17 | 2006-04-18 | Motorola, Inc. | Fingerprint based smartcard |
US7676590B2 (en) | 2004-05-03 | 2010-03-09 | Microsoft Corporation | Background transcoding |
GB2414337B (en) | 2004-05-19 | 2008-10-29 | Macrovision Europ Ltd | The copy protection of optical discs |
US20060141804A1 (en) * | 2004-12-28 | 2006-06-29 | Goodman Cathryn E | Method and apparatus to facilitate electrostatic discharge resiliency |
US9436804B2 (en) | 2005-04-22 | 2016-09-06 | Microsoft Technology Licensing, Llc | Establishing a unique session key using a hardware functionality scan |
US7701825B2 (en) * | 2005-06-17 | 2010-04-20 | Macrovision Corporation | Apparatus for and a method of authenticating recording media |
US7924913B2 (en) | 2005-09-15 | 2011-04-12 | Microsoft Corporation | Non-realtime data transcoding of multimedia content |
US20070189587A1 (en) * | 2006-02-14 | 2007-08-16 | Garcia Carl N | Method and apparatus corresponding to an asperity detection sensor surface |
WO2008042718A2 (en) * | 2006-09-29 | 2008-04-10 | Guava Technologies, Inc. | Differentiation of flow cytometry pulses and applications |
US8347408B2 (en) * | 2008-06-30 | 2013-01-01 | Cisco Technology, Inc. | Matching of unknown video content to protected video content |
US8259177B2 (en) * | 2008-06-30 | 2012-09-04 | Cisco Technology, Inc. | Video fingerprint systems and methods |
US20090327334A1 (en) * | 2008-06-30 | 2009-12-31 | Rodriguez Arturo A | Generating Measures of Video Sequences to Detect Unauthorized Use |
WO2010011991A2 (en) | 2008-07-25 | 2010-01-28 | Anvato, Inc. | Method and apparatus for detecting near-duplicate videos using perceptual video signatures |
US9059819B2 (en) | 2010-02-12 | 2015-06-16 | Qualcomm Incorporated | Flexible uplink control channel configuration |
EP2550652A4 (en) * | 2010-03-25 | 2015-01-21 | Verisign Inc | SYSTEMS AND METHOD FOR PROVIDING ACCESS TO RESOURCES THROUGH IMPROVED AUDIO SIGNALS |
US10397577B2 (en) | 2011-03-08 | 2019-08-27 | Velos Media, Llc | Inverse scan order for significance map coding of transform coefficients in video coding |
CN103618914B (zh) * | 2013-12-16 | 2017-05-24 | 北京视博数字电视科技有限公司 | 矩阵指纹生成方法、设备和系统 |
US10474745B1 (en) | 2016-04-27 | 2019-11-12 | Google Llc | Systems and methods for a knowledge-based form creation platform |
US11039181B1 (en) | 2016-05-09 | 2021-06-15 | Google Llc | Method and apparatus for secure video manifest/playlist generation and playback |
US11069378B1 (en) | 2016-05-10 | 2021-07-20 | Google Llc | Method and apparatus for frame accurate high resolution video editing in cloud using live video streams |
US10785508B2 (en) | 2016-05-10 | 2020-09-22 | Google Llc | System for measuring video playback events using a server generated manifest/playlist |
US10595054B2 (en) | 2016-05-10 | 2020-03-17 | Google Llc | Method and apparatus for a virtual online video channel |
US10750248B1 (en) | 2016-05-10 | 2020-08-18 | Google Llc | Method and apparatus for server-side content delivery network switching |
US10771824B1 (en) | 2016-05-10 | 2020-09-08 | Google Llc | System for managing video playback using a server generated manifest/playlist |
US10750216B1 (en) | 2016-05-10 | 2020-08-18 | Google Llc | Method and apparatus for providing peer-to-peer content delivery |
US11032588B2 (en) | 2016-05-16 | 2021-06-08 | Google Llc | Method and apparatus for spatial enhanced adaptive bitrate live streaming for 360 degree video playback |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0297242B1 (en) * | 1987-06-30 | 1994-07-06 | Kabushiki Kaisha Toshiba | Recording/reproducing system and method with record restriction function |
US4969041A (en) * | 1988-09-23 | 1990-11-06 | Dubner Computer Systems, Inc. | Embedment of data in a video signal |
US5134496A (en) * | 1989-05-26 | 1992-07-28 | Technicolor Videocassette Of Michigan Inc. | Bilateral anti-copying device for video systems |
DE3923330A1 (de) * | 1989-07-14 | 1991-01-24 | Thomson Brandt Gmbh | Optische abtastvorrichtung |
US5003590A (en) * | 1989-12-18 | 1991-03-26 | Eidak Corporation | Encoding an optical video disc to inhibit video tape recording |
JP3141963B2 (ja) * | 1991-09-06 | 2001-03-07 | 日本テレビ放送網株式会社 | 情報信号のエンコーダおよびデコーダ |
EP0930614B1 (en) * | 1991-12-02 | 2004-03-31 | Philips Electronics N.V. | Closed information system with physical copy protection |
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 |
US5291243A (en) * | 1993-02-05 | 1994-03-01 | Xerox Corporation | System for electronically printing plural-color tamper-resistant documents |
US5412718A (en) * | 1993-09-13 | 1995-05-02 | Institute Of Systems Science | Method for utilizing medium nonuniformities to minimize unauthorized duplication of digital information |
KR950024093A (ko) * | 1994-01-24 | 1995-08-21 | 이헌조 | 디지탈 서명을 이용한 전자 저널 방법 |
US5513260A (en) * | 1994-06-29 | 1996-04-30 | Macrovision Corporation | Method and apparatus for copy protection for various recording media |
US5739864A (en) * | 1994-08-24 | 1998-04-14 | Macrovision Corporation | Apparatus for inserting blanked formatted fingerprint data (source ID, time/date) in to a video signal |
-
1995
- 1995-06-07 US US08/473,047 patent/US5659613A/en not_active Expired - Lifetime
-
1996
- 1996-05-22 DE DE69611300T patent/DE69611300T2/de not_active Expired - Lifetime
- 1996-05-22 PT PT96920357T patent/PT830783E/pt unknown
- 1996-05-22 EP EP96920357A patent/EP0830783B1/en not_active Expired - Lifetime
- 1996-05-22 CA CA002220845A patent/CA2220845C/en not_active Expired - Lifetime
- 1996-05-22 TR TR97/01540T patent/TR199701540T1/xx unknown
- 1996-05-22 KR KR1019970709115A patent/KR100421577B1/ko not_active IP Right Cessation
- 1996-05-22 WO PCT/US1996/007376 patent/WO1996041468A1/en active IP Right Grant
- 1996-05-22 NZ NZ308842A patent/NZ308842A/xx unknown
- 1996-05-22 AU AU58693/96A patent/AU700013B2/en not_active Expired
- 1996-05-22 ES ES96920357T patent/ES2152534T3/es not_active Expired - Lifetime
- 1996-05-22 RU RU97119724/09A patent/RU2163056C2/ru active
- 1996-05-22 JP JP50064397A patent/JP3780320B2/ja not_active Expired - Lifetime
- 1996-05-22 CN CNB961946369A patent/CN1140118C/zh not_active Expired - Lifetime
- 1996-05-22 AT AT96920357T patent/ATE198248T1/de active
- 1996-05-22 BR BR9608560A patent/BR9608560A/pt not_active IP Right Cessation
- 1996-05-22 DK DK96920357T patent/DK0830783T3/da active
-
2001
- 2001-03-09 GR GR20010400390T patent/GR3035549T3/el unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7146498B1 (en) | 1999-02-22 | 2006-12-05 | Matsushita Electric Industrial Co., Ltd. | Computer and program recording medium |
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GR3035549T3 (en) | 2001-06-29 |
BR9608560A (pt) | 1999-07-06 |
AU5869396A (en) | 1996-12-30 |
MX9709578A (es) | 1998-07-31 |
CN1187277A (zh) | 1998-07-08 |
KR19990022674A (ko) | 1999-03-25 |
DE69611300D1 (de) | 2001-01-25 |
US5659613A (en) | 1997-08-19 |
WO1996041468A1 (en) | 1996-12-19 |
DE69611300T2 (de) | 2001-07-19 |
AU700013B2 (en) | 1998-12-17 |
EP0830783B1 (en) | 2000-12-20 |
JP3780320B2 (ja) | 2006-05-31 |
DK0830783T3 (da) | 2001-02-05 |
CA2220845A1 (en) | 1996-12-19 |
ES2152534T3 (es) | 2001-02-01 |
EP0830783A1 (en) | 1998-03-25 |
NZ308842A (en) | 1999-11-29 |
KR100421577B1 (ko) | 2004-07-27 |
CN1140118C (zh) | 2004-02-25 |
ATE198248T1 (de) | 2001-01-15 |
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