BR9906596A - Processo para proteger conteúdo transmitido como uma corrente de dados, sistema de proteção contra cópia para proteger conteúdo, e, dispositivo fonte para proteger conteúdo, e dispositivo receptor para receber conteúdo - Google Patents
Processo para proteger conteúdo transmitido como uma corrente de dados, sistema de proteção contra cópia para proteger conteúdo, e, dispositivo fonte para proteger conteúdo, e dispositivo receptor para receber conteúdoInfo
- Publication number
- BR9906596A BR9906596A BR9906596-7A BR9906596A BR9906596A BR 9906596 A BR9906596 A BR 9906596A BR 9906596 A BR9906596 A BR 9906596A BR 9906596 A BR9906596 A BR 9906596A
- Authority
- BR
- Brazil
- Prior art keywords
- content
- time reference
- protection system
- protecting content
- receiving
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- 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
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Storage Device Security (AREA)
- Television Signal Processing For Recording (AREA)
- Editing Of Facsimile Originals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Systems (AREA)
Abstract
"PROCESSO PARA PROTEGER CONTEúDO TRANSMITIDO COMO UMA CORRENTE DE DADOS, SISTEMA DE PROTEçãO CONTRA CóPIA PARA PROTEGER CONTEúDO, E, DISPOSITIVO FONTE PARA PROTEGER CONTEúDO, E, DISPOSITIVO RECEPTOR PARA RECEBER CONTEúDO" Sistema de proteção contra cópia para proteger conteúdo, no qual um passe e marca d'água são criados, utilizando uma primeira referência de tempo (216) e uma função de sentido único, para indicar o estado de proteção contra cópia do conteúdo, Um dispositivo fonte (230) produz o passe e a marca d'água usando a primeira referência de tempo e uma função de embaralhamento. O dispositivo fonte provê uma corrente de dados contedo o conteúdo, o passe, a marca d'água e a primeira referência de tempo para o dispositivo receptor (240). O dispositivo receptor determina se a primeira referência de tempo está contida dentro de uma janela de tempo determinada por uma segunda referência de tempo (272). Quando a primeira referência de tempo está contida dentro da janela de tempo, o receptor compara o passe coma marca d'água usando a primeira referência de tempo e a função de sentido único e, baseado na comparação, produz um sinal indicando o estado de proteção contra cópia do conteúdo.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9272898P | 1998-07-14 | 1998-07-14 | |
US09/257,079 US6490355B1 (en) | 1998-07-14 | 1999-02-24 | Method and apparatus for use of a time-dependent watermark for the purpose of copy protection |
PCT/EP1999/004705 WO2000004712A1 (en) | 1998-07-14 | 1999-07-02 | Use of a watermark for the purpose of copy protection |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9906596A true BR9906596A (pt) | 2000-07-18 |
Family
ID=26785980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9906596-7A BR9906596A (pt) | 1998-07-14 | 1999-07-02 | Processo para proteger conteúdo transmitido como uma corrente de dados, sistema de proteção contra cópia para proteger conteúdo, e, dispositivo fonte para proteger conteúdo, e dispositivo receptor para receber conteúdo |
Country Status (8)
Country | Link |
---|---|
US (2) | US6490355B1 (pt) |
EP (1) | EP1038395A1 (pt) |
JP (1) | JP2002521875A (pt) |
KR (1) | KR20010023970A (pt) |
CN (1) | CN1149839C (pt) |
BR (1) | BR9906596A (pt) |
MY (1) | MY126472A (pt) |
WO (1) | WO2000004712A1 (pt) |
Families Citing this family (72)
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US6614914B1 (en) | 1995-05-08 | 2003-09-02 | Digimarc Corporation | Watermark embedder and reader |
US8505108B2 (en) | 1993-11-18 | 2013-08-06 | Digimarc Corporation | Authentication using a digital watermark |
US7756892B2 (en) * | 2000-05-02 | 2010-07-13 | Digimarc Corporation | Using embedded data with file sharing |
US7644282B2 (en) | 1998-05-28 | 2010-01-05 | Verance Corporation | Pre-processed information embedding system |
US6865675B1 (en) * | 1998-07-14 | 2005-03-08 | Koninklijke Philips Electronics N.V. | Method and apparatus for use of a watermark and a unique time dependent reference for the purpose of copy protection |
US7336712B1 (en) * | 1998-09-02 | 2008-02-26 | Koninklijke Philips Electronics N.V. | Video signal transmission |
FR2783658B1 (fr) * | 1998-09-23 | 2000-10-13 | Thomson Multimedia Sa | Protection contre la copie de donnees numeriques stockees sur un support d'informations |
US7055034B1 (en) | 1998-09-25 | 2006-05-30 | Digimarc Corporation | Method and apparatus for robust embedded data |
JP2000156678A (ja) * | 1998-11-19 | 2000-06-06 | Sony Corp | 信号処理回路 |
JP4101384B2 (ja) * | 1998-12-28 | 2008-06-18 | 株式会社日立製作所 | デジタルコンテンツ販売方法及びその実施装置並びにその処理プログラムを記録した媒体 |
JP4238410B2 (ja) * | 1999-04-09 | 2009-03-18 | ソニー株式会社 | 情報処理システム |
US6898709B1 (en) | 1999-07-02 | 2005-05-24 | Time Certain Llc | Personal computer system and methods for proving dates in digital data files |
US6948069B1 (en) | 1999-07-02 | 2005-09-20 | Time Certain, Llc | Method and system for determining and maintaining trust in digital image files with certifiable time |
US8868914B2 (en) * | 1999-07-02 | 2014-10-21 | Steven W. Teppler | System and methods for distributing trusted time |
US7409557B2 (en) | 1999-07-02 | 2008-08-05 | Time Certain, Llc | System and method for distributing trusted time |
US6895507B1 (en) * | 1999-07-02 | 2005-05-17 | Time Certain, Llc | Method and system for determining and maintaining trust in digital data files with certifiable time |
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 |
JP2001066986A (ja) * | 1999-08-26 | 2001-03-16 | Sony Corp | 送信装置および方法、受信装置および方法、通信システム、並びにプログラム格納媒体 |
US6766102B1 (en) * | 1999-09-20 | 2004-07-20 | Digimarc Corporation | Methods for reading watermarks in unknown data types, and DVD drives with such functionality |
US7356848B1 (en) * | 1999-10-19 | 2008-04-08 | Thomson Licensing | System and method of verifying authorization for communicating protected content |
US6792536B1 (en) | 1999-10-20 | 2004-09-14 | Timecertain Llc | Smart card system and methods for proving dates in digital files |
US20050160272A1 (en) * | 1999-10-28 | 2005-07-21 | Timecertain, Llc | System and method for providing trusted time in content of digital data files |
EP2352120B1 (en) | 2000-01-13 | 2016-03-30 | Digimarc Corporation | Network-based access to auxiliary data based on steganographic information |
JP2001202338A (ja) * | 2000-01-20 | 2001-07-27 | Sony Corp | コンテンツ提供システム及びコンテンツ提供方法、コンテンツ提供状況監視装置及び監視方法、並びに、コンテンツ使用装置及び使用方法 |
US7228425B1 (en) * | 2000-02-07 | 2007-06-05 | Koninklijke Philips Electronics N. V. | Protecting content from illicit reproduction by proof of existence of a complete data set via self-referencing sections |
US6737957B1 (en) | 2000-02-16 | 2004-05-18 | Verance Corporation | Remote control signaling using audio watermarks |
US7017045B1 (en) | 2000-08-22 | 2006-03-21 | Koninklijke Philips Electronics N.V. | Multimedia watermarking system and method |
US6999598B2 (en) * | 2001-03-23 | 2006-02-14 | Fuji Xerox Co., Ltd. | Systems and methods for embedding data by dimensional compression and expansion |
US20020169963A1 (en) * | 2001-05-10 | 2002-11-14 | Seder Phillip Andrew | Digital watermarking apparatus, systems and methods |
US20020169721A1 (en) * | 2001-05-10 | 2002-11-14 | Cooley William Ray | Digital watermarking apparatus, systems and methods |
EP1274033A1 (en) * | 2001-07-05 | 2003-01-08 | Canon Europa N.V. | System, computer program, and device of handling data to be used for returning items |
EP1274024A1 (en) * | 2001-07-05 | 2003-01-08 | Canon Europa N.V. | Method, computer programme, and device of handling data to be used for returning items |
JP4934923B2 (ja) * | 2001-08-09 | 2012-05-23 | ソニー株式会社 | 情報記録装置、情報再生装置、および情報記録方法、情報再生方法、並びにコンピュータ・プログラム |
JP3832289B2 (ja) * | 2001-08-20 | 2006-10-11 | ソニー株式会社 | 情報記録装置、ビデオ信号出力装置、ストリーム出力方法、プログラム、記録媒体、およびデータ構造 |
JP2003108426A (ja) * | 2001-09-28 | 2003-04-11 | Canon Inc | 情報提供サーバ、通信端末及びその制御方法並びに情報提供システム |
US7519819B2 (en) | 2002-05-29 | 2009-04-14 | Digimarc Corporatino | Layered security in digital watermarking |
JP2004078883A (ja) | 2002-06-17 | 2004-03-11 | Ntt Docomo Inc | 通信端末、プログラムおよび記録媒体 |
US9349411B2 (en) * | 2002-07-16 | 2016-05-24 | Digimarc Corporation | Digital watermarking and fingerprinting applications for copy protection |
AU2003282763A1 (en) | 2002-10-15 | 2004-05-04 | Verance Corporation | Media monitoring, management and information system |
EP1644781A1 (en) * | 2003-07-01 | 2006-04-12 | Freescale Semiconductors, Inc. | Synchronization of data streams over a wireless network |
EP1669993A4 (en) * | 2003-09-30 | 2011-11-23 | Kenwood Corp | DIGITAL FILIGRINE INFORMATION ADDITION DEVICE, DATA REPRODUCTION DEVICE, AND DATA RECORDING DEVICE |
US20060239501A1 (en) | 2005-04-26 | 2006-10-26 | Verance Corporation | Security enhancements of digital watermarks for multi-media content |
AU2004307167B2 (en) * | 2003-10-31 | 2009-11-26 | Warner Bros. Entertainment Inc. | Method and system for limiting content diffusion to local receivers |
KR100907121B1 (ko) * | 2003-12-05 | 2009-07-09 | 모션 픽쳐 어쏘시에이션 오브 아메리카 | 복제금지 컨텐트의 표시를 관리하기 위한 시스템 및 방법 |
US7538473B2 (en) * | 2004-02-03 | 2009-05-26 | S.C. Johnson & Son, Inc. | Drive circuits and methods for ultrasonic piezoelectric actuators |
US7723899B2 (en) | 2004-02-03 | 2010-05-25 | S.C. Johnson & Son, Inc. | Active material and light emitting device |
US20060023598A1 (en) * | 2004-07-30 | 2006-02-02 | Babinski James P | Method and apparatus for protecting against copying of content recorded on optical recording media |
KR100654796B1 (ko) | 2004-11-16 | 2006-12-08 | 삼성전자주식회사 | 데이터수신장치 및 그 제어방법 |
JP2007005941A (ja) * | 2005-06-21 | 2007-01-11 | Fuji Xerox Co Ltd | 複写システム、画像形成装置、サーバ、画像形成方法、及びプログラム |
US8020004B2 (en) | 2005-07-01 | 2011-09-13 | Verance Corporation | Forensic marking using a common customization function |
US8781967B2 (en) | 2005-07-07 | 2014-07-15 | Verance Corporation | Watermarking in an encrypted domain |
US8704833B2 (en) * | 2007-06-06 | 2014-04-22 | Apple Inc. | Method and apparatus for displaying a video signal on a computer system |
US8259938B2 (en) | 2008-06-24 | 2012-09-04 | Verance Corporation | Efficient and secure forensic marking in compressed |
JP5407482B2 (ja) * | 2009-03-27 | 2014-02-05 | ソニー株式会社 | 情報処理装置、および情報処理方法、並びにプログラム |
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US9607131B2 (en) | 2010-09-16 | 2017-03-28 | Verance Corporation | Secure and efficient content screening in a networked environment |
US8533481B2 (en) | 2011-11-03 | 2013-09-10 | Verance Corporation | Extraction of embedded watermarks from a host content based on extrapolation techniques |
US8615104B2 (en) | 2011-11-03 | 2013-12-24 | Verance Corporation | Watermark extraction based on tentative watermarks |
US8682026B2 (en) | 2011-11-03 | 2014-03-25 | Verance Corporation | Efficient extraction of embedded watermarks in the presence of host content distortions |
US8923548B2 (en) | 2011-11-03 | 2014-12-30 | Verance Corporation | Extraction of embedded watermarks from a host content using a plurality of tentative watermarks |
US8745403B2 (en) | 2011-11-23 | 2014-06-03 | Verance Corporation | Enhanced content management based on watermark extraction records |
US9323902B2 (en) | 2011-12-13 | 2016-04-26 | Verance Corporation | Conditional access using embedded watermarks |
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US5699370A (en) * | 1994-02-17 | 1997-12-16 | Hitachi, Ltd. | Information recording and reproduction apparatus to be controlled by temporal information |
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EP0970411B1 (en) | 1997-03-27 | 2002-05-15 | BRITISH TELECOMMUNICATIONS public limited company | Copy protection of data |
EP0944256A1 (en) * | 1998-03-19 | 1999-09-22 | Hitachi Europe Limited | Copy protection apparatus and method |
-
1999
- 1999-02-24 US US09/257,079 patent/US6490355B1/en not_active Expired - Fee Related
- 1999-07-02 JP JP2000560724A patent/JP2002521875A/ja not_active Withdrawn
- 1999-07-02 EP EP99934588A patent/EP1038395A1/en not_active Withdrawn
- 1999-07-02 KR KR1020007002685A patent/KR20010023970A/ko not_active Application Discontinuation
- 1999-07-02 BR BR9906596-7A patent/BR9906596A/pt not_active IP Right Cessation
- 1999-07-02 WO PCT/EP1999/004705 patent/WO2000004712A1/en not_active Application Discontinuation
- 1999-07-02 CN CNB998015717A patent/CN1149839C/zh not_active Expired - Fee Related
- 1999-07-12 MY MYPI99002925A patent/MY126472A/en unknown
-
2002
- 2002-09-17 US US10/245,430 patent/US6934851B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2002521875A (ja) | 2002-07-16 |
CN1277780A (zh) | 2000-12-20 |
US6490355B1 (en) | 2002-12-03 |
MY126472A (en) | 2006-10-31 |
KR20010023970A (ko) | 2001-03-26 |
US6934851B2 (en) | 2005-08-23 |
US20030016824A1 (en) | 2003-01-23 |
CN1149839C (zh) | 2004-05-12 |
WO2000004712A1 (en) | 2000-01-27 |
EP1038395A1 (en) | 2000-09-27 |
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Legal Events
Date | Code | Title | Description |
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B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 8A E 9A ANUIDADES |
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B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1990 DE 25/02/2009. |