CN1761948A - 在安全设备上安全地提供可视内容的系统、方法及装置 - Google Patents
在安全设备上安全地提供可视内容的系统、方法及装置 Download PDFInfo
- Publication number
- CN1761948A CN1761948A CNA2004800071571A CN200480007157A CN1761948A CN 1761948 A CN1761948 A CN 1761948A CN A2004800071571 A CNA2004800071571 A CN A2004800071571A CN 200480007157 A CN200480007157 A CN 200480007157A CN 1761948 A CN1761948 A CN 1761948A
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- Prior art keywords
- key
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- selectively
- 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.)
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Links
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Images
Classifications
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- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4182—External card to be used in combination with the client device, e.g. for conditional access for identification purposes, e.g. storing user identification data, preferences, personal settings or data
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
-
- 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
- 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
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
- H04N21/23473—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by pre-encrypting
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
- H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
- H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44236—Monitoring of piracy processes or activities
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
- H04N21/4753—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for user identification, e.g. by entering a PIN or password
-
- 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
- H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Virology (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Technology Law (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Television Signal Processing For Recording (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (39)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45572303P | 2003-03-18 | 2003-03-18 | |
US60/455,723 | 2003-03-18 | ||
US10/760,642 | 2004-01-20 | ||
US10/760,642 US7007170B2 (en) | 2003-03-18 | 2004-01-20 | System, method, and apparatus for securely providing content viewable on a secure device |
PCT/US2004/008202 WO2004084035A2 (en) | 2003-03-18 | 2004-03-16 | System, method and apparatus for securely providing content viewable on a secure device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1761948A true CN1761948A (zh) | 2006-04-19 |
CN100476751C CN100476751C (zh) | 2009-04-08 |
Family
ID=32994649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800071571A Expired - Lifetime CN100476751C (zh) | 2003-03-18 | 2004-03-16 | 在安全设备上安全地提供可视内容的系统、方法及装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US7007170B2 (zh) |
EP (1) | EP1606715A4 (zh) |
JP (1) | JP2006524007A (zh) |
KR (1) | KR100749947B1 (zh) |
CN (1) | CN100476751C (zh) |
CA (1) | CA2559323A1 (zh) |
WO (1) | WO2004084035A2 (zh) |
Cited By (9)
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---|---|---|---|---|
CN101494072B (zh) * | 2009-03-06 | 2010-12-29 | 惠州市数码特信息电子有限公司 | 硬盘播放器和视频文件加密方法 |
CN102224506A (zh) * | 2008-11-20 | 2011-10-19 | 皇家飞利浦电子股份有限公司 | 用于对数字内容进行管理的方法和设备 |
CN102647393A (zh) * | 2011-02-21 | 2012-08-22 | 北京鸿合窗景科技有限公司 | 一种数字标牌的内容防盗播方法 |
CN107534559A (zh) * | 2015-04-07 | 2018-01-02 | Divx有限责任公司 | 使用加密内容流的媒体内容的基于会话的水印 |
CN107920255A (zh) * | 2017-11-14 | 2018-04-17 | 苏州佳世达光电有限公司 | 公共显示器的控制系统与控制方法 |
CN108769053A (zh) * | 2018-06-13 | 2018-11-06 | 中影环球(北京)科技有限公司 | 影片密钥自动分发方法和系统 |
CN109905762A (zh) * | 2017-12-08 | 2019-06-18 | 三星电子株式会社 | 图像处理装置及其控制方法 |
CN111586442A (zh) * | 2020-04-23 | 2020-08-25 | 深圳奇迹智慧网络有限公司 | 流媒体加密方法、装置、计算机设备和存储介质 |
CN118074791A (zh) * | 2024-04-24 | 2024-05-24 | 南京控维通信科技有限公司 | 基于非正交多址与正交时频空间调制的卫星通信方法及系统 |
Families Citing this family (139)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8140859B1 (en) * | 2000-07-21 | 2012-03-20 | The Directv Group, Inc. | Secure storage and replay of media programs using a hard-paired receiver and storage device |
US7457414B1 (en) * | 2000-07-21 | 2008-11-25 | The Directv Group, Inc. | Super encrypted storage and retrieval of media programs with smartcard generated keys |
US7409562B2 (en) * | 2001-09-21 | 2008-08-05 | The Directv Group, Inc. | Method and apparatus for encrypting media programs for later purchase and viewing |
WO2004084020A2 (en) * | 2003-03-13 | 2004-09-30 | Drm Technologies, Llc | Secure streaming container |
US7007170B2 (en) * | 2003-03-18 | 2006-02-28 | Widevine Technologies, Inc. | System, method, and apparatus for securely providing content viewable on a secure device |
US7356143B2 (en) * | 2003-03-18 | 2008-04-08 | Widevine Technologies, Inc | System, method, and apparatus for securely providing content viewable on a secure device |
GB2404486A (en) * | 2003-07-31 | 2005-02-02 | Sony Uk Ltd | Access control for digital storage medium content |
US8472792B2 (en) | 2003-12-08 | 2013-06-25 | Divx, Llc | Multimedia distribution system |
US7519274B2 (en) | 2003-12-08 | 2009-04-14 | Divx, Inc. | File format for multiple track digital data |
US20050235357A1 (en) * | 2004-04-19 | 2005-10-20 | Securemedia International | Preventing cloning of high value software using embedded hardware and software functionality |
US8190913B2 (en) * | 2004-04-30 | 2012-05-29 | Research In Motion Limited | System and method for content protection on a computing device |
US8266429B2 (en) | 2004-07-20 | 2012-09-11 | Time Warner Cable, Inc. | Technique for securely communicating and storing programming material in a trusted domain |
US8312267B2 (en) | 2004-07-20 | 2012-11-13 | Time Warner Cable Inc. | Technique for securely communicating programming content |
US20060041510A1 (en) * | 2004-08-19 | 2006-02-23 | Securemedia International | Method for a secure system of content distribution for DVD applications |
US7715559B2 (en) * | 2004-08-26 | 2010-05-11 | Motorola, Inc. | Crypto-synchronization for secure communication |
US9609279B2 (en) | 2004-09-24 | 2017-03-28 | Google Inc. | Method and system for providing secure CODECS |
US8243925B2 (en) * | 2004-10-18 | 2012-08-14 | Syphermedia International, Inc. | Method and apparatus for supporting multiple broadcasters independently using a single conditional access system |
US10477151B2 (en) | 2004-10-18 | 2019-11-12 | Inside Secure | Method and apparatus for supporting multiple broadcasters independently using a single conditional access system |
US20060159423A1 (en) * | 2005-01-19 | 2006-07-20 | Guobiao Zhang | Tamper-Proof Content-Playback System Offering Excellent Copyright Protection |
JP4471937B2 (ja) * | 2005-02-07 | 2010-06-02 | 株式会社ソニー・コンピュータエンタテインメント | プロセッサのリソース管理によるコンテンツ制御方法および装置 |
CA2596872C (en) * | 2005-02-15 | 2016-03-01 | Thomson Licensing | Key management system for digital cinema |
US20060230463A1 (en) * | 2005-04-07 | 2006-10-12 | International Business Machines Corporation | Method, apparatus, and computer program product for controlling copying and playback of digital data |
GB0511919D0 (en) * | 2005-06-11 | 2005-07-20 | Ibm | Device permitting partial disabling of information retrievability on worm media |
JP2007060627A (ja) * | 2005-07-27 | 2007-03-08 | Victor Co Of Japan Ltd | 再生装置および再生方法 |
CA2554847C (en) * | 2005-08-08 | 2014-02-04 | Raymond C. Senez, Jr. | System and method for secure electronic data delivery |
US9325944B2 (en) | 2005-08-11 | 2016-04-26 | The Directv Group, Inc. | Secure delivery of program content via a removable storage medium |
WO2007029831A1 (ja) * | 2005-09-09 | 2007-03-15 | Sony Corporation | 記録媒体、記録再生装置及び再生装置 |
US8306918B2 (en) | 2005-10-11 | 2012-11-06 | Apple Inc. | Use of media storage structure with multiple pieces of content in a content-distribution system |
KR20070049926A (ko) * | 2005-11-09 | 2007-05-14 | 삼성전자주식회사 | 멀티미디어신호 수신장치 및 그 제어방법 |
US20070110225A1 (en) * | 2005-11-16 | 2007-05-17 | Sub-Crypto Systems, Llc | Method and apparatus for efficient encryption |
US8296583B2 (en) | 2006-02-24 | 2012-10-23 | Drakez Tokaj Rt. L.L.C. | Physical digital media delivery |
EP1999883A4 (en) | 2006-03-14 | 2013-03-06 | Divx Llc | FEDERATED DIGITAL RIGHTS MANAGEMENT SYSTEM COMPRISING CONFIDENCE SYSTEMS |
JP5013728B2 (ja) * | 2006-03-20 | 2012-08-29 | キヤノン株式会社 | システム及びその処理方法、並びに通信装置及び処理方法 |
US8255963B2 (en) * | 2006-04-25 | 2012-08-28 | XOrbit Inc. | System and method for monitoring video data |
US8224751B2 (en) | 2006-05-03 | 2012-07-17 | Apple Inc. | Device-independent management of cryptographic information |
JP4175381B2 (ja) * | 2006-05-10 | 2008-11-05 | ソニー株式会社 | 情報処理システムおよび方法、情報処理装置および方法、並びにプログラム |
US8074078B2 (en) * | 2006-05-15 | 2011-12-06 | Research In Motion Limited | System and method for remote reset of password and encryption key |
US8775319B2 (en) | 2006-05-15 | 2014-07-08 | The Directv Group, Inc. | Secure content transfer systems and methods to operate the same |
US7970138B2 (en) | 2006-05-26 | 2011-06-28 | Syphermedia International | Method and apparatus for supporting broadcast efficiency and security enhancements |
US20080008321A1 (en) * | 2006-07-10 | 2008-01-10 | Syphermedia International, Inc. | Conditional access enhancements using an always-on satellite backchannel link |
US8620817B2 (en) * | 2006-09-14 | 2013-12-31 | Flexera Software, Inc. | Method and system for creating license management in software applications |
US8321677B2 (en) * | 2006-09-21 | 2012-11-27 | Google Inc. | Pre-binding and tight binding of an on-line identity to a digital signature |
US20080080711A1 (en) * | 2006-09-28 | 2008-04-03 | Syphermedia International, Inc. | Dual conditional access module architecture and method and apparatus for controlling same |
US9277259B2 (en) | 2006-10-13 | 2016-03-01 | Syphermedia International, Inc. | Method and apparatus for providing secure internet protocol media services |
US8761393B2 (en) * | 2006-10-13 | 2014-06-24 | Syphermedia International, Inc. | Method and apparatus for providing secure internet protocol media services |
US8520850B2 (en) | 2006-10-20 | 2013-08-27 | Time Warner Cable Enterprises Llc | Downloadable security and protection methods and apparatus |
US8732854B2 (en) | 2006-11-01 | 2014-05-20 | Time Warner Cable Enterprises Llc | Methods and apparatus for premises content distribution |
US8473739B2 (en) * | 2006-11-30 | 2013-06-25 | Microsoft Corporation | Advanced content authentication and authorization |
CN103561278B (zh) | 2007-01-05 | 2017-04-12 | 索尼克知识产权股份有限公司 | 包含连续播放的视频分配系统 |
US8621540B2 (en) | 2007-01-24 | 2013-12-31 | Time Warner Cable Enterprises Llc | Apparatus and methods for provisioning in a download-enabled system |
US8290157B2 (en) * | 2007-02-20 | 2012-10-16 | Sony Corporation | Identification of a compromised content player |
CA2685877A1 (en) * | 2007-05-08 | 2008-11-20 | Thomson Licensing | Method and apparatus for adjusting decryption keys |
US8347098B2 (en) * | 2007-05-22 | 2013-01-01 | Apple Inc. | Media storage structures for storing content, devices for using such structures, systems for distributing such structures |
US9311492B2 (en) | 2007-05-22 | 2016-04-12 | Apple Inc. | Media storage structures for storing content, devices for using such structures, systems for distributing such structures |
US20080294560A1 (en) * | 2007-05-22 | 2008-11-27 | Nokia Corporation | Method of storing content |
KR20090002939A (ko) * | 2007-07-05 | 2009-01-09 | 삼성전자주식회사 | 디지털 방송 서비스에 있어서 비디오 데이터 송수신 장치및 방법 |
US7961878B2 (en) | 2007-10-15 | 2011-06-14 | Adobe Systems Incorporated | Imparting cryptographic information in network communications |
US8233768B2 (en) | 2007-11-16 | 2012-07-31 | Divx, Llc | Hierarchical and reduced index structures for multimedia files |
US20090171780A1 (en) * | 2007-12-31 | 2009-07-02 | Verizon Data Services Inc. | Methods and system for a targeted advertisement management interface |
US8997161B2 (en) * | 2008-01-02 | 2015-03-31 | Sonic Ip, Inc. | Application enhancement tracks |
US8868464B2 (en) | 2008-02-07 | 2014-10-21 | Google Inc. | Preventing unauthorized modification or skipping of viewing of advertisements within content |
US20090245520A1 (en) * | 2008-03-27 | 2009-10-01 | Mediatek Inc. | Digital content protection methods |
IL193504A (en) * | 2008-08-17 | 2013-02-28 | Michael Braiman | RF coded communication system |
JP5338817B2 (ja) * | 2008-09-05 | 2013-11-13 | 富士通株式会社 | 情報開示装置 |
US8051287B2 (en) | 2008-10-15 | 2011-11-01 | Adobe Systems Incorporated | Imparting real-time priority-based network communications in an encrypted communication session |
US8250362B2 (en) * | 2008-12-04 | 2012-08-21 | Broadcom Corporation | Home network encryption techniques |
KR20100071852A (ko) * | 2008-12-19 | 2010-06-29 | 한국전자통신연구원 | 방송 프로그램 보호 방법 및 시스템 |
MX2011007344A (es) | 2009-01-07 | 2012-02-28 | Divx Inc | Creacion singular, colectiva y automatizada de una guia de medios de contenido en linea. |
CN102415103A (zh) * | 2009-02-24 | 2012-04-11 | 超越宽带技术有限公司 | 用于单向受限接入的有线电视安全通信系统 |
US9602864B2 (en) | 2009-06-08 | 2017-03-21 | Time Warner Cable Enterprises Llc | Media bridge apparatus and methods |
US9866609B2 (en) | 2009-06-08 | 2018-01-09 | Time Warner Cable Enterprises Llc | Methods and apparatus for premises content distribution |
WO2011039677A1 (en) * | 2009-09-30 | 2011-04-07 | Koninklijke Philips Electronics N.V. | Methods and devices for managing content |
WO2011068668A1 (en) | 2009-12-04 | 2011-06-09 | Divx, Llc | Elementary bitstream cryptographic material transport systems and methods |
US8769614B1 (en) * | 2009-12-29 | 2014-07-01 | Akamai Technologies, Inc. | Security framework for HTTP streaming architecture |
US9906838B2 (en) | 2010-07-12 | 2018-02-27 | Time Warner Cable Enterprises Llc | Apparatus and methods for content delivery and message exchange across multiple content delivery networks |
US9247312B2 (en) | 2011-01-05 | 2016-01-26 | Sonic Ip, Inc. | Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol |
US8971532B1 (en) * | 2011-01-17 | 2015-03-03 | Exaimage Corporation | System and methods for protecting video content |
US8812662B2 (en) | 2011-06-29 | 2014-08-19 | Sonic Ip, Inc. | Systems and methods for estimating available bandwidth and performing initial stream selection when streaming content |
US9467708B2 (en) | 2011-08-30 | 2016-10-11 | Sonic Ip, Inc. | Selection of resolutions for seamless resolution switching of multimedia content |
KR102074148B1 (ko) | 2011-08-30 | 2020-03-17 | 엔엘디 엘엘씨 | 복수의 최대 비트레이트 레벨들을 사용하여 인코딩된 비디오를 인코딩하고 스트리밍하기 위한 시스템들 및 방법들 |
US8799647B2 (en) | 2011-08-31 | 2014-08-05 | Sonic Ip, Inc. | Systems and methods for application identification |
US8787570B2 (en) | 2011-08-31 | 2014-07-22 | Sonic Ip, Inc. | Systems and methods for automatically genenrating top level index files |
US8909922B2 (en) | 2011-09-01 | 2014-12-09 | Sonic Ip, Inc. | Systems and methods for playing back alternative streams of protected content protected using common cryptographic information |
US8964977B2 (en) | 2011-09-01 | 2015-02-24 | Sonic Ip, Inc. | Systems and methods for saving encoded media streamed using adaptive bitrate streaming |
KR20140091021A (ko) * | 2011-11-24 | 2014-07-18 | 엘지전자 주식회사 | 제어 방법 및 그를 이용한 장치 |
US8751800B1 (en) | 2011-12-12 | 2014-06-10 | Google Inc. | DRM provider interoperability |
US20130179199A1 (en) | 2012-01-06 | 2013-07-11 | Rovi Corp. | Systems and methods for granting access to digital content using electronic tickets and ticket tokens |
US9009258B2 (en) | 2012-03-06 | 2015-04-14 | Google Inc. | Providing content to a user across multiple devices |
US9514446B1 (en) | 2012-04-27 | 2016-12-06 | Google Inc. | Remarketing content to a user associated with multiple devices |
US8966043B2 (en) | 2012-04-27 | 2015-02-24 | Google Inc. | Frequency capping of content across multiple devices |
US8688984B2 (en) | 2012-04-27 | 2014-04-01 | Google Inc. | Providing content to a user across multiple devices |
US9258279B1 (en) | 2012-04-27 | 2016-02-09 | Google Inc. | Bookmarking content for users associated with multiple devices |
US8892685B1 (en) | 2012-04-27 | 2014-11-18 | Google Inc. | Quality score of content for a user associated with multiple devices |
US8978158B2 (en) | 2012-04-27 | 2015-03-10 | Google Inc. | Privacy management across multiple devices |
US9881301B2 (en) | 2012-04-27 | 2018-01-30 | Google Llc | Conversion tracking of a user across multiple devices |
US8862155B2 (en) | 2012-08-30 | 2014-10-14 | Time Warner Cable Enterprises Llc | Apparatus and methods for enabling location-based services within a premises |
US9936267B2 (en) | 2012-08-31 | 2018-04-03 | Divx Cf Holdings Llc | System and method for decreasing an initial buffering period of an adaptive streaming system |
US9088550B1 (en) * | 2012-11-26 | 2015-07-21 | Amazon Technologies, Inc. | Love latency content presentation |
US9565472B2 (en) | 2012-12-10 | 2017-02-07 | Time Warner Cable Enterprises Llc | Apparatus and methods for content transfer protection |
US9191457B2 (en) | 2012-12-31 | 2015-11-17 | Sonic Ip, Inc. | Systems, methods, and media for controlling delivery of content |
US9313510B2 (en) | 2012-12-31 | 2016-04-12 | Sonic Ip, Inc. | Use of objective quality measures of streamed content to reduce streaming bandwidth |
US20140282786A1 (en) | 2013-03-12 | 2014-09-18 | Time Warner Cable Enterprises Llc | Methods and apparatus for providing and uploading content to personalized network storage |
US10397292B2 (en) | 2013-03-15 | 2019-08-27 | Divx, Llc | Systems, methods, and media for delivery of content |
US10368255B2 (en) | 2017-07-25 | 2019-07-30 | Time Warner Cable Enterprises Llc | Methods and apparatus for client-based dynamic control of connections to co-existing radio access networks |
US9906785B2 (en) | 2013-03-15 | 2018-02-27 | Sonic Ip, Inc. | Systems, methods, and media for transcoding video data according to encoding parameters indicated by received metadata |
US9066153B2 (en) | 2013-03-15 | 2015-06-23 | Time Warner Cable Enterprises Llc | Apparatus and methods for multicast delivery of content in a content delivery network |
JP2013179623A (ja) * | 2013-04-11 | 2013-09-09 | Thomson Licensing | ディジタルシネマシステムにより実行される方法及びディジタルシネマシステム |
US9247317B2 (en) | 2013-05-30 | 2016-01-26 | Sonic Ip, Inc. | Content streaming with client device trick play index |
US9094737B2 (en) | 2013-05-30 | 2015-07-28 | Sonic Ip, Inc. | Network video streaming with trick play based on separate trick play files |
US9100687B2 (en) | 2013-05-31 | 2015-08-04 | Sonic Ip, Inc. | Playback synchronization across playback devices |
US9380099B2 (en) | 2013-05-31 | 2016-06-28 | Sonic Ip, Inc. | Synchronizing multiple over the top streaming clients |
US9967305B2 (en) | 2013-06-28 | 2018-05-08 | Divx, Llc | Systems, methods, and media for streaming media content |
US9313568B2 (en) | 2013-07-23 | 2016-04-12 | Chicago Custom Acoustics, Inc. | Custom earphone with dome in the canal |
US9386067B2 (en) | 2013-12-30 | 2016-07-05 | Sonic Ip, Inc. | Systems and methods for playing adaptive bitrate streaming content by multicast |
US9866878B2 (en) | 2014-04-05 | 2018-01-09 | Sonic Ip, Inc. | Systems and methods for encoding and playing back video at different frame rates using enhancement layers |
US9621940B2 (en) | 2014-05-29 | 2017-04-11 | Time Warner Cable Enterprises Llc | Apparatus and methods for recording, accessing, and delivering packetized content |
US11540148B2 (en) | 2014-06-11 | 2022-12-27 | Time Warner Cable Enterprises Llc | Methods and apparatus for access point location |
JP5870163B2 (ja) * | 2014-06-30 | 2016-02-24 | 達男 眞子 | コンテンツ閲覧制限システム、コンテンツ閲覧制限方法及びコンテンツ閲覧制限プログラム並びにリムーバブルメディア読取装置 |
KR102597985B1 (ko) | 2014-08-07 | 2023-11-06 | 디빅스, 엘엘씨 | 독립적으로 인코딩된 타일을 포함한 기본 비트스트림을 보호하는 시스템 및 방법 |
US10460098B1 (en) | 2014-08-20 | 2019-10-29 | Google Llc | Linking devices using encrypted account identifiers |
US10028025B2 (en) | 2014-09-29 | 2018-07-17 | Time Warner Cable Enterprises Llc | Apparatus and methods for enabling presence-based and use-based services |
US9935833B2 (en) | 2014-11-05 | 2018-04-03 | Time Warner Cable Enterprises Llc | Methods and apparatus for determining an optimized wireless interface installation configuration |
KR102012682B1 (ko) | 2015-01-06 | 2019-08-22 | 디브이엑스, 엘엘씨 | 디바이스들간에 콘텐트를 인코딩 및 공유하기 위한 시스템들 및 방법들 |
EP3627337A1 (en) | 2015-02-27 | 2020-03-25 | DivX, LLC | Systems and methods for frame duplication and frame extension in live video encoding and streaming |
US9986578B2 (en) | 2015-12-04 | 2018-05-29 | Time Warner Cable Enterprises Llc | Apparatus and methods for selective data network access |
US9918345B2 (en) | 2016-01-20 | 2018-03-13 | Time Warner Cable Enterprises Llc | Apparatus and method for wireless network services in moving vehicles |
US10492034B2 (en) | 2016-03-07 | 2019-11-26 | Time Warner Cable Enterprises Llc | Apparatus and methods for dynamic open-access networks |
US10075292B2 (en) | 2016-03-30 | 2018-09-11 | Divx, Llc | Systems and methods for quick start-up of playback |
US10586023B2 (en) | 2016-04-21 | 2020-03-10 | Time Warner Cable Enterprises Llc | Methods and apparatus for secondary content management and fraud prevention |
US10231001B2 (en) | 2016-05-24 | 2019-03-12 | Divx, Llc | Systems and methods for providing audio content during trick-play playback |
US10129574B2 (en) | 2016-05-24 | 2018-11-13 | Divx, Llc | Systems and methods for providing variable speeds in a trick-play mode |
US10148989B2 (en) | 2016-06-15 | 2018-12-04 | Divx, Llc | Systems and methods for encoding video content |
US10164858B2 (en) | 2016-06-15 | 2018-12-25 | Time Warner Cable Enterprises Llc | Apparatus and methods for monitoring and diagnosing a wireless network |
US10498795B2 (en) | 2017-02-17 | 2019-12-03 | Divx, Llc | Systems and methods for adaptive switching between multiple content delivery networks during adaptive bitrate streaming |
US10645547B2 (en) | 2017-06-02 | 2020-05-05 | Charter Communications Operating, Llc | Apparatus and methods for providing wireless service in a venue |
US10638361B2 (en) | 2017-06-06 | 2020-04-28 | Charter Communications Operating, Llc | Methods and apparatus for dynamic control of connections to co-existing radio access networks |
ES2974683T3 (es) | 2019-03-21 | 2024-07-01 | Divx Llc | Sistemas y métodos para enjambres multimedia |
CA3133947A1 (en) * | 2019-03-29 | 2020-10-08 | Soul Machines | Cryptographic systems |
CN113259718B (zh) * | 2021-04-27 | 2023-06-09 | 深圳市锐明技术股份有限公司 | 视频流的加密方法、装置、通信设备及存储介质 |
Family Cites Families (98)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US609525A (en) * | 1898-08-23 | Fiber vessel | ||
US5870474A (en) | 1995-12-04 | 1999-02-09 | Scientific-Atlanta, Inc. | Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
CA1186028A (en) | 1982-06-23 | 1985-04-23 | Microdesign Limited | Method and apparatus for scrambling and unscrambling data streams using encryption and decryption |
US4694489A (en) | 1983-12-22 | 1987-09-15 | Frederiksen Jeffrey E | Video transmission system |
DE3751410T2 (de) | 1986-04-18 | 1996-04-11 | Nagra Plus Sa | Decoder für ein Fernsehgebührensystem. |
EP0319530B1 (fr) | 1987-05-22 | 1992-12-30 | KUDELSKI SA Fabrique d'enregistreurs Nagra | Dispositif d'enregistrement magnetique ou autre a une ou plusieurs tetes graveuses tournantes |
FR2643529B1 (fr) | 1989-02-22 | 1991-06-07 | Kudelski Sa Fabr Enregistr Nag | Systeme de television a peage utilisant une carte a memoire associee a un decodeur |
US5191611A (en) * | 1989-04-03 | 1993-03-02 | Lang Gerald S | Method and apparatus for protecting material on storage media and for transferring material on storage media to various recipients |
CH682614A5 (fr) | 1990-02-21 | 1993-10-15 | Kudelski Sa | Procédé d'embrouillage et de désembrouillage d'un signal vidéo. |
CA2084575C (en) | 1991-12-31 | 1996-12-03 | Chris A. Dinallo | Personal computer with generalized data streaming apparatus for multimedia devices |
JP3073590B2 (ja) * | 1992-03-16 | 2000-08-07 | 富士通株式会社 | 電子化データ保護システム、使用許諾者側装置および使用者側装置 |
US5339413A (en) | 1992-08-21 | 1994-08-16 | International Business Machines Corporation | Data stream protocol for multimedia data streaming data processing system |
US5640546A (en) | 1993-02-23 | 1997-06-17 | Network Programs, Inc. | Composition of systems of objects by interlocking coordination, projection, and distribution |
US5592212A (en) | 1993-04-16 | 1997-01-07 | News Datacom Ltd. | Methods and systems for non-program applications for subscriber television |
IL119874A (en) | 1993-04-16 | 1999-05-09 | News Datacom Research Ltd | Methods and systems for non program applications for subscriber television |
US5774527A (en) | 1993-08-19 | 1998-06-30 | News Datacom Ltd. | Integrated telephone and cable communication networks |
IL106746A (en) | 1993-08-19 | 1997-02-18 | News Datacom Ltd | CATV systems |
NL9301784A (nl) | 1993-10-14 | 1995-05-01 | Irdeto Bv | Systeem voor het versleutelen en ontsleutelen van digitale informatie. |
KR950013093A (ko) | 1993-10-19 | 1995-05-17 | 모리시타 요이찌 | 스크램블전송장치 및 난수발생장치 |
IL107967A (en) | 1993-12-09 | 1996-12-05 | News Datacom Research Ltd | Apparatus and method for securing communication systems |
US5880769A (en) | 1994-01-19 | 1999-03-09 | Smarttv Co. | Interactive smart card system for integrating the provision of remote and local services |
IL111151A (en) | 1994-10-03 | 1998-09-24 | News Datacom Ltd | Secure access systems |
US6298441B1 (en) | 1994-03-10 | 2001-10-02 | News Datacom Ltd. | Secure document access system |
GB9407038D0 (en) | 1994-04-08 | 1994-06-01 | Amstrad Plc | Method and apparatus for transmitting and receiving encrypted signals |
MY125706A (en) | 1994-08-19 | 2006-08-30 | Thomson Consumer Electronics | High speed signal processing smart card |
KR100332743B1 (ko) | 1994-11-26 | 2002-11-07 | 엘지전자주식회사 | 디지탈영상시스템의불법시청및복사방지방법및장치 |
US5758257A (en) | 1994-11-29 | 1998-05-26 | Herz; Frederick | System and method for scheduling broadcast of and access to video programs and other data using customer profiles |
US6658568B1 (en) | 1995-02-13 | 2003-12-02 | Intertrust Technologies Corporation | Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management |
CA2212574C (en) | 1995-02-13 | 2010-02-02 | Electronic Publishing Resources, Inc. | Systems and methods for secure transaction management and electronic rights protection |
US6157721A (en) | 1996-08-12 | 2000-12-05 | Intertrust Technologies Corp. | Systems and methods using cryptography to protect secure computing environments |
US5943422A (en) | 1996-08-12 | 1999-08-24 | Intertrust Technologies Corp. | Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
US5892900A (en) | 1996-08-30 | 1999-04-06 | Intertrust Technologies Corp. | Systems and methods for secure transaction management and electronic rights protection |
US5621793A (en) | 1995-05-05 | 1997-04-15 | Rubin, Bednarek & Associates, Inc. | TV set top box using GPS |
NL1000530C2 (nl) | 1995-06-08 | 1996-12-10 | Defil N V Holland Intertrust A | Filtreerwerkwijze. |
CA2179223C (en) | 1995-06-23 | 2009-01-06 | Manfred Von Willich | Method and apparatus for controlling the operation of a signal decoder in a broadcasting system |
US6035037A (en) | 1995-08-04 | 2000-03-07 | Thomson Electronic Consumers, Inc. | System for processing a video signal via series-connected high speed signal processing smart cards |
GB9521739D0 (en) | 1995-10-24 | 1996-01-03 | Nat Transcommunications Ltd | Decoding carriers encoded using orthogonal frequency division multiplexing |
US5684876A (en) | 1995-11-15 | 1997-11-04 | Scientific-Atlanta, Inc. | Apparatus and method for cipher stealing when encrypting MPEG transport packets |
WO1997025798A1 (en) | 1996-01-11 | 1997-07-17 | Mrj, Inc. | System for controlling access and distribution of digital property |
US5805705A (en) | 1996-01-29 | 1998-09-08 | International Business Machines Corporation | Synchronization of encryption/decryption keys in a data communication network |
EP0826288B1 (en) | 1996-03-18 | 2000-09-13 | News Datacom Ltd. | Smart card chaining in pay television systems |
US6049671A (en) | 1996-04-18 | 2000-04-11 | Microsoft Corporation | Method for identifying and obtaining computer software from a network computer |
US6191782B1 (en) | 1996-08-30 | 2001-02-20 | Matsushita Electric Industrial Co., Ltd. | Terminal apparatus and method for achieving interactive operations by displaying a desired piece of image information at high speed using cache memories, out of a large amount of image information sent in a one-way direction |
KR100483370B1 (ko) | 1996-09-17 | 2005-04-15 | 세드나 페이턴트 서비시즈, 엘엘씨 | 대화형 정보 분배 시스템용 셋톱 터미널 |
US5939975A (en) | 1996-09-19 | 1999-08-17 | Nds Ltd. | Theft prevention system and method |
US5883957A (en) | 1996-09-20 | 1999-03-16 | Laboratory Technologies Corporation | Methods and apparatus for encrypting and decrypting MIDI files |
EP0834991A1 (en) | 1996-10-02 | 1998-04-08 | Irdeto B.V. | Method for automatically searching a frequency range for signal channels in a receiver for digitally modulated signals, and receiver for applying such a method |
EP0858184A3 (en) | 1997-02-07 | 1999-09-01 | Nds Limited | Digital recording protection system |
US5920861A (en) | 1997-02-25 | 1999-07-06 | Intertrust Technologies Corp. | Techniques for defining using and manipulating rights management data structures |
US6189097B1 (en) | 1997-03-24 | 2001-02-13 | Preview Systems, Inc. | Digital Certificate |
US6272636B1 (en) | 1997-04-11 | 2001-08-07 | Preview Systems, Inc | Digital product execution control and security |
US6073256A (en) | 1997-04-11 | 2000-06-06 | Preview Systems, Inc. | Digital product execution control |
JPH10303880A (ja) * | 1997-05-01 | 1998-11-13 | Digital Vision Lab:Kk | サービス提供システム |
WO1999001815A1 (en) | 1997-06-09 | 1999-01-14 | Intertrust, Incorporated | Obfuscation techniques for enhancing software security |
US6009525A (en) | 1997-08-29 | 1999-12-28 | Preview Systems, Inc. | Multi-tier electronic software distribution |
US6055503A (en) | 1997-08-29 | 2000-04-25 | Preview Systems | Software program self-modification |
US6160891A (en) * | 1997-10-20 | 2000-12-12 | Sun Microsystems, Inc. | Methods and apparatus for recovering keys |
US6112181A (en) | 1997-11-06 | 2000-08-29 | Intertrust Technologies Corporation | Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information |
EP0917356A1 (en) | 1997-11-17 | 1999-05-19 | CANAL+ Société Anonyme | Packet filtering |
WO1999030499A1 (en) | 1997-12-10 | 1999-06-17 | Thomson Consumer Electronics, Inc. | Method for protecting the audio/visual data across the nrss inte rface |
US5991399A (en) * | 1997-12-18 | 1999-11-23 | Intel Corporation | Method for securely distributing a conditional use private key to a trusted entity on a remote system |
EP0932124B1 (en) | 1998-01-14 | 2002-05-02 | Irdeto Access B.V. | Integrated circuit and smart card comprising such a circuit |
US6334213B1 (en) | 1998-01-20 | 2001-12-25 | Preview Systems | Merging of separate executable computer programs to form a single executable computer program |
US6385596B1 (en) | 1998-02-06 | 2002-05-07 | Liquid Audio, Inc. | Secure online music distribution system |
US6141753A (en) | 1998-02-10 | 2000-10-31 | Fraunhofer Gesellschaft | Secure distribution of digital representations |
IL123554A (en) | 1998-03-04 | 2003-01-12 | Nds Ltd | Key delivery in a secure broadcasting system |
GB9806076D0 (en) | 1998-03-20 | 1998-05-20 | Nds Ltd | Improvements in or relating to the insertion and removal of smart cards |
US6459427B1 (en) | 1998-04-01 | 2002-10-01 | Liberate Technologies | Apparatus and method for web-casting over digital broadcast TV network |
US6285985B1 (en) | 1998-04-03 | 2001-09-04 | Preview Systems, Inc. | Advertising-subsidized and advertising-enabled software |
US6009401A (en) | 1998-04-06 | 1999-12-28 | Preview Systems, Inc. | Relicensing of electronically purchased software |
PL344013A1 (en) | 1998-04-21 | 2001-09-24 | Chr Hansen As | Novel genetically modified lactic acid bacteria having modified diacetyl reductase activities |
IL124595A (en) | 1998-05-21 | 2009-09-01 | Yossef Tsuria | Anti-piracy system |
AU4320599A (en) | 1998-05-29 | 1999-12-13 | Diva Systems Corporation | Interactive information distribution system and method |
US6311221B1 (en) | 1998-07-22 | 2001-10-30 | Appstream Inc. | Streaming modules |
US6226618B1 (en) * | 1998-08-13 | 2001-05-01 | International Business Machines Corporation | Electronic content delivery system |
US6314466B1 (en) | 1998-10-06 | 2001-11-06 | Realnetworks, Inc. | System and method for providing random access to a multimedia object over a network |
IL126472A0 (en) | 1998-10-07 | 1999-08-17 | Nds Ltd | Secure communications system |
US7162642B2 (en) | 1999-01-06 | 2007-01-09 | Digital Video Express, L.P. | Digital content distribution system and method |
US6505299B1 (en) | 1999-03-01 | 2003-01-07 | Sharp Laboratories Of America, Inc. | Digital image scrambling for image coding systems |
US6415031B1 (en) | 1999-03-12 | 2002-07-02 | Diva Systems Corporation | Selective and renewable encryption for secure distribution of video on-demand |
EP1142343A1 (en) | 1999-10-29 | 2001-10-10 | Koninklijke Philips Electronics N.V. | Video encoding method |
US6449719B1 (en) | 1999-11-09 | 2002-09-10 | Widevine Technologies, Inc. | Process and streaming server for encrypting a data stream |
KR100378791B1 (ko) | 1999-12-02 | 2003-04-07 | 엘지전자 주식회사 | 피아이디/섹션 필터 |
US6792113B1 (en) * | 1999-12-20 | 2004-09-14 | Microsoft Corporation | Adaptable security mechanism for preventing unauthorized access of digital data |
US6968061B2 (en) | 2000-02-17 | 2005-11-22 | The United States Of America As Represented By The Secretary Of The Navy | Method which uses a non-volatile memory to store a crypto key and a check word for an encryption device |
JP2001273430A (ja) | 2000-03-27 | 2001-10-05 | Toshiba Corp | 携帯可能電子装置及びポイントシステム |
US7155415B2 (en) | 2000-04-07 | 2006-12-26 | Movielink Llc | Secure digital content licensing system and method |
US7245719B2 (en) | 2000-06-30 | 2007-07-17 | Matsushita Electric Industrial Co., Ltd. | Recording method and apparatus, optical disk, and computer-readable storage medium |
US7165175B1 (en) | 2000-09-06 | 2007-01-16 | Widevine Technologies, Inc. | Apparatus, system and method for selectively encrypting different portions of data sent over a network |
US20020089410A1 (en) * | 2000-11-13 | 2002-07-11 | Janiak Martin J. | Biometric authentication device for use with a personal digital assistant |
US20020104004A1 (en) * | 2001-02-01 | 2002-08-01 | Bruno Couillard | Method and apparatus for synchronizing real-time clocks of time stamping cryptographic modules |
US20020141582A1 (en) * | 2001-03-28 | 2002-10-03 | Kocher Paul C. | Content security layer providing long-term renewable security |
JP2002297452A (ja) * | 2001-03-30 | 2002-10-11 | Matsushita Electric Ind Co Ltd | 記録再生装置、制御方法、及び不正防止システム |
SE0101295D0 (sv) * | 2001-04-10 | 2001-04-10 | Ericsson Telefon Ab L M | A method and network for delivering streaming data |
US20030046568A1 (en) * | 2001-09-06 | 2003-03-06 | Riddick Christopher J. | Media protection system and method and hardware decryption module used therein |
US20040151315A1 (en) * | 2002-11-06 | 2004-08-05 | Kim Hee Jean | Streaming media security system and method |
US7007170B2 (en) * | 2003-03-18 | 2006-02-28 | Widevine Technologies, Inc. | System, method, and apparatus for securely providing content viewable on a secure device |
US20050193205A1 (en) * | 2004-01-09 | 2005-09-01 | Widevine Technologies, Inc. | Method and system for session based watermarking of encrypted content |
-
2004
- 2004-01-20 US US10/760,642 patent/US7007170B2/en not_active Expired - Lifetime
- 2004-03-16 EP EP04757582A patent/EP1606715A4/en not_active Withdrawn
- 2004-03-16 JP JP2006507290A patent/JP2006524007A/ja active Pending
- 2004-03-16 CN CNB2004800071571A patent/CN100476751C/zh not_active Expired - Lifetime
- 2004-03-16 CA CA002559323A patent/CA2559323A1/en not_active Abandoned
- 2004-03-16 WO PCT/US2004/008202 patent/WO2004084035A2/en active Application Filing
- 2004-03-16 KR KR1020057017339A patent/KR100749947B1/ko active IP Right Grant
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2005
- 2005-12-27 US US11/319,255 patent/US7640435B2/en active Active
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CN102224506A (zh) * | 2008-11-20 | 2011-10-19 | 皇家飞利浦电子股份有限公司 | 用于对数字内容进行管理的方法和设备 |
CN102224506B (zh) * | 2008-11-20 | 2014-12-24 | 皇家飞利浦电子股份有限公司 | 用于对数字内容进行管理的方法和设备 |
CN101494072B (zh) * | 2009-03-06 | 2010-12-29 | 惠州市数码特信息电子有限公司 | 硬盘播放器和视频文件加密方法 |
CN102647393A (zh) * | 2011-02-21 | 2012-08-22 | 北京鸿合窗景科技有限公司 | 一种数字标牌的内容防盗播方法 |
CN102647393B (zh) * | 2011-02-21 | 2017-02-22 | 鸿合科技有限公司 | 一种数字标牌的内容防盗播方法 |
CN107534559B (zh) * | 2015-04-07 | 2019-06-04 | Divx公司 | 用于媒体内容的基于会话的水印的方法 |
CN107534559A (zh) * | 2015-04-07 | 2018-01-02 | Divx有限责任公司 | 使用加密内容流的媒体内容的基于会话的水印 |
CN107920255A (zh) * | 2017-11-14 | 2018-04-17 | 苏州佳世达光电有限公司 | 公共显示器的控制系统与控制方法 |
CN109905762A (zh) * | 2017-12-08 | 2019-06-18 | 三星电子株式会社 | 图像处理装置及其控制方法 |
CN109905762B (zh) * | 2017-12-08 | 2022-08-26 | 三星电子株式会社 | 图像处理装置及其控制方法 |
CN108769053A (zh) * | 2018-06-13 | 2018-11-06 | 中影环球(北京)科技有限公司 | 影片密钥自动分发方法和系统 |
CN111586442A (zh) * | 2020-04-23 | 2020-08-25 | 深圳奇迹智慧网络有限公司 | 流媒体加密方法、装置、计算机设备和存储介质 |
CN111586442B (zh) * | 2020-04-23 | 2022-05-20 | 深圳奇迹智慧网络有限公司 | 流媒体加密方法、装置、计算机设备和存储介质 |
CN118074791A (zh) * | 2024-04-24 | 2024-05-24 | 南京控维通信科技有限公司 | 基于非正交多址与正交时频空间调制的卫星通信方法及系统 |
Also Published As
Publication number | Publication date |
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JP2006524007A (ja) | 2006-10-19 |
US20060101287A1 (en) | 2006-05-11 |
KR100749947B1 (ko) | 2007-08-21 |
EP1606715A4 (en) | 2006-12-20 |
CN100476751C (zh) | 2009-04-08 |
CA2559323A1 (en) | 2004-09-30 |
US7007170B2 (en) | 2006-02-28 |
US20040184616A1 (en) | 2004-09-23 |
KR20050119122A (ko) | 2005-12-20 |
WO2004084035A2 (en) | 2004-09-30 |
EP1606715A2 (en) | 2005-12-21 |
WO2004084035A3 (en) | 2005-03-10 |
US7640435B2 (en) | 2009-12-29 |
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