WO2009012719A1 - Procédé de limitation d'utilisation de fichier multimédia, système et dispositif - Google Patents

Procédé de limitation d'utilisation de fichier multimédia, système et dispositif Download PDF

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Publication number
WO2009012719A1
WO2009012719A1 PCT/CN2008/071748 CN2008071748W WO2009012719A1 WO 2009012719 A1 WO2009012719 A1 WO 2009012719A1 CN 2008071748 W CN2008071748 W CN 2008071748W WO 2009012719 A1 WO2009012719 A1 WO 2009012719A1
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WO
WIPO (PCT)
Prior art keywords
media file
terminal device
day
copyright information
information
Prior art date
Application number
PCT/CN2008/071748
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English (en)
Chinese (zh)
Inventor
Zhiquan Yuan
Original Assignee
Huawei Technologies Co, .Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co, .Ltd. filed Critical Huawei Technologies Co, .Ltd.
Publication of WO2009012719A1 publication Critical patent/WO2009012719A1/fr

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    • 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]

Definitions

  • Embodiments of the present invention relate to network communication technologies, and in particular, to a method, system, and device for limiting usage of media files. Background technique
  • DRM Digital Rights Management
  • OMA Open Mobile Alliance
  • the copyright management solution introduced by OMADRM2.0 (Open Mobile Alliance Digital Rights Management Version 2.0) focuses more on the operational security between users and content providers than OMA DRM1.0.
  • the copyright information of OMA DRM2.0 can be used for the number of times the media file is used, the number of times the media file is used, the time period in which the media file is used, the length of time the media file is used, the cumulative time of using the media file, and the use of the media file. Restrictions are limited to only specified terminal devices.
  • the copyright information in the existing digital rights management technology is not rich enough, and it is possible to try to add more copyright information, thereby enriching the copyright information of the digital copyright. Summary of the invention
  • the embodiment of the invention provides a method, a system and a device for limiting the use of a media file, so as to limit the use area of the media file, and limit the use of the media file by the terminal device every day.
  • the embodiment of the invention provides a method for limiting the use of a media file, including:
  • the DRM agent judges the area information in which the terminal device is currently located, and the received copyright information of the restricted use media file area, and allows the terminal device to use the media file according to the judgment result, or prohibits the terminal device from using the media file.
  • the embodiment of the present invention further provides a method for limiting the use of a media file, including: the copyright publishing node sends the copyright information that restricts the terminal user to use the media file every day; the DRM agent determines the information of the media file used by the terminal device on the day, and the received restricted terminal.
  • the device uses the copyright information of the media file every day, and allows the terminal device to use the media file according to the judgment result, or prohibits the terminal device from using the media file.
  • the embodiment of the present invention further provides a media file usage restriction system, including: a terminal device and a network device; the network device is a copyright publishing node;
  • Network equipment includes:
  • the first processing module is configured to set copyright information for restricting the use of the media file area; and the sending module is configured to send the copyright information of the restricted use media file area set by the first processing module.
  • Terminal equipment includes:
  • a receiving module configured to receive the copyright information of the restricted use media file area sent by the network device
  • the first control module is configured to determine information about a current location of the terminal device and the copyright information of the restricted use media file area, and allow the terminal device to use the media file according to the determination result, or prohibit the terminal device from using the media file.
  • the embodiment of the invention further provides a network device, including:
  • the embodiment of the present invention further provides a terminal device, including:
  • a receiving module configured to receive the copyright information of the restricted use media file area sent by the network device
  • the first control module is configured to determine information about a current location of the terminal device and copyright information of the received media file area, and allow the terminal device to use the media file according to the determination result, or prohibit the terminal device from using the media file.
  • An embodiment of the present invention further provides a media file usage restriction system, including: a network device and a terminal device, where the network device is a copyright publishing node;
  • Network equipment includes:
  • a second processing module configured to set copyright information that restricts the terminal device from using the media file every day;
  • the sending module is configured to send copyright information that restricts the terminal device to use the media file every day.
  • Terminal equipment includes:
  • a receiving module configured to receive copyright information of the restricted use media file sent by the network device
  • the second control module is configured to determine the information of the media file used by the terminal device on the same day, and the received copyright information of the media file that is used by the terminal device to be used by the terminal device, and according to the determination result, the network device is further provided by the embodiment of the present invention, including:
  • a second processing module configured to set copyright information that restricts the terminal device from using the media file every day;
  • a sending module configured to send, by the second processing module, the copyright information that restricts the terminal device to use the media file every day.
  • the embodiment of the invention further provides a terminal device, including:
  • a receiving module configured to receive, by the network device, copyright information that restricts the use of the media file by the terminal device every day;
  • a second control module configured to determine information and connection of the media file used by the terminal device on the same day.
  • the received terminal device restricts the copyright information of the media file every day, and allows the terminal device to use the media file according to the judgment result, or prohibits the terminal device from using the media file.
  • the method, the system and the device provided by the embodiments of the present invention limit the use of the copyright information of the media file area by the copyright publishing node, thereby realizing the limitation of the use of the media file, and avoiding piracy to the media in different places and abroad.
  • FIG. 1 is a flowchart of a method for limiting a used area of a media file according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a system according to an embodiment of the present invention
  • FIG. 3 is a flow chart of a method for restricting a terminal device to use a media file every day according to still another embodiment of the present invention
  • FIG. 4 is a schematic view showing the specific structure of a system according to still another embodiment of the present invention. detailed description
  • Embodiments of the present invention provide a method, system, and device for limiting usage of a media file.
  • Pass The copyright publishing node sets restrictions on the copyright information of the media file area, and limits the use area of the media file.
  • the use of a media file in the embodiment of the present invention refers to displaying, playing, printing, and executing a media file. Line description.
  • the copyright distribution node sets copyright information restricting the use area of the media file, and the information may be a country and/or area code, or other information indicating the area, and then the copyright information is transmitted to the terminal device.
  • the DRM agent of the terminal device determines the area information in which the terminal device is currently located and the copyright information of the received restricted media file area, and allows or prohibits the terminal device from using the media file according to the judgment result.
  • the copyright information of the restricted media file area specifies an area in which the media file is allowed to be used.
  • the DRM agent may allow the terminal device to use the media file; if the terminal device is currently The DRM agent can prohibit the terminal device from using the media file if the area is not in the area where the media file is allowed to be used.
  • the copyright information that restricts the use of the media file area may also specify an area where the use of the media file is prohibited. If the area where the terminal device is currently located belongs to an area where the use of the media file is prohibited, the DRM agent may prohibit the terminal device from using the media file; The area where the area is located is not an area where the use of media files is prohibited, and the DRM agent can allow the terminal device to use the media file.
  • country restricts the area in which the media file is used.
  • the specific area i or information can be passed through ⁇ o-dd: countrycode > countrycode ⁇ / o-dd:countrycode> ⁇ ii
  • the "countrycode” location can be filled with various forms of characters and codes that represent the area. When the "countrycode” position in the above statement is filled in with these characters or codes, it means the area represented by these characters or codes. Is the area that restricts the use of media files.
  • the DRM agent can determine, according to the result of the negotiation between the terminal device and the network device, whether it receives the area information that prohibits the use of the media file or the area information that allows the use of the media file, and the DRM agent can also receive the prohibited media by default. The area information of the file or the area information that allows the use of the media file. When the "countrycode” location is filled in with a predetermined value, it means that the country and/or region in which the media file is used is not restricted.
  • FIG. 1 is a flowchart of a method for limiting a used area of a media file according to an embodiment of the present invention. The following describes the embodiment of the present invention in detail with reference to FIG. 1:
  • Step 10 The copyright publishing node sets the copyright information of the restricted area of the media file, and sets the permission expression statement:
  • the country code for China is 86, and fill in 86 in the "countrycode" position, that is, the specific permission expression is
  • Step 20 The DRM agent determines whether the current location of the terminal device is in the area defined by the copyright information, that is, in the territory of China. If the terminal device belongs to an area where the media file is allowed to be used, that is, in China, the DRM agent may allow the terminal device to use the media. File, continue to step 30; If the terminal device belongs to an area other than China, the DRM agent may prohibit the terminal device from using the media file, and proceeds to step 40.
  • Step 30 The terminal device uses the media file.
  • Step 40 The terminal device ends with the media file. Line description.
  • FIG. 2 is a schematic structural diagram of a system according to an embodiment of the present invention. The embodiment of the present invention is described in detail below with reference to FIG. 2 .
  • the system in FIG. 2 includes a first processing module 211 and a sending module 212 located at the network device 210, a receiving module 221 and a first control module 222 of the terminal device 220.
  • the receiving module 221 may be located in the DRM agent unit of the terminal device 220, or may be located in a terminal device other than the DRM agent unit, and the first control module 222 is located in the DRM agent unit of the terminal device 220.
  • the network device 210 in FIG. 2 is a copyright publishing node.
  • the first processing module 211 of the copyright issuing node 210 sets the copyright information allowing the use of the media file area, for example, allowing the use of the media.
  • the area of the document is within China.
  • the transmitting module 212 of the copyright issuing node then transmits the above copyright information set by the first processing module 211 to the terminal device 211.
  • the receiving module 221 of the terminal device 220 receives the copyright information of the media file and transmits the copyright information to the first control module 222.
  • the first control module 222 determines whether the area where the terminal device 220 is currently located belongs to the area where the media file is allowed to be used, that is, in China. If the area where the terminal device 220 is currently located belongs to an area where the media file is allowed to be used, that is, within the territory of China, the first control mode media file. If the area in which the terminal device 220 is currently located belongs to an area where the use of the media file is prohibited, that is, other countries other than China, the first control module 222 may prohibit the terminal device 220 from using the media file. When an illegal pirate conducts piracy activities in an area where the media file publisher prohibits the use of the media file, it is difficult to proceed because the area in which the media file is used is not an area permitted by the media file publisher. This will well protect the legitimate rights of media file publishers and media file copyright owners.
  • the copyright issuing node may set copyright information limiting the use of the media file by the terminal device 220 every day, the information including one or more of the following: limiting the length of time that the terminal device 220 uses the media file every day, and limiting the time period in which the terminal device 220 uses the media file every day.
  • the number of times the terminal device 220 uses the media file every day and the number of times the terminal device uses the media file for a predetermined length of time per day is restricted, and then the copyright issuing node 210 transmits the copyright information to the terminal device 220.
  • the DRM judges that the terminal device 220 uses the media file information and the received copyright information to restrict the terminal device 220 from using the media file every day, and allows or prohibits the terminal device 220 from using the media file according to the determination result.
  • the use of the media file by the terminal device 220 refers to displaying, playing, printing, and executing a media file.
  • FIG. 3 is a flowchart of a method for restricting a terminal device to use a media file every day according to Embodiment 2 of the present invention, and Embodiment 2 of the present invention is described below with reference to FIG. 3.
  • Step 60 The copyright publishing node sends copyright information restricting the use of the media file by the terminal device every day.
  • Step 70 The DRM agent determines the information of the media file used by the terminal device on the day, and the received copyright information of the media file used by the terminal device, and allows the terminal device to use the media file according to the judgment result, and proceeds to step 80; or prohibits the terminal device from using Media file, go to step 90.
  • Step 80 The terminal device uses the media file.
  • the DRM agent determines the information of the media file currently used by the terminal device and limits the copyright information of the media file used by the terminal device every day. If the DRM prohibits the terminal device according to the judgment result, Continue to use the media file, go to step 90.
  • Step 90 The terminal device ends using the media file on the same day.
  • the terminal device in a case where the time limit for allowing the terminal device to use the media file is set in the copyright information restricting the use of the media file, if the time length of the media file used by the terminal device on the day has not reached the copyright information, the terminal device is allowed to use the media file every day. Until the above allowed time length is reached; when the terminal device uses the media file for the same time length, the end device that allows the terminal device to use the media file every day as specified in the copyright information can only continue to use the media file after waiting for the next day.
  • the copyright publishing node setting limits the length of time that the terminal device uses the media file every day. Copyright information, you can express the statement by setting permissions
  • the time limit for allowing the terminal device to use the media file is set in the copyright information restricting the use of the media file
  • the terminal device wants to use the media file, if the time when the media file needs to be used that day is not permitted in the copyright information During the period when the terminal device uses the media file every day, the DRM agent may prohibit the terminal device from using the media.
  • the time when the media file is used on the same day is within the time period specified in the copyright information to allow the terminal device to use the media file every day, and the DRM agent may allow the terminal device to use the media on the same day.
  • the publishing node setting limits the copyright information of the time period of the media file used by the terminal device, and can set the permission expression statement.
  • the "start" and “end” positions in the middle can be filled with various forms of information indicating the time period during which the terminal device is restricted to use the media file.
  • the copyright publishing node fills in the "start" position with 19: 00, indicating that it is allowed to be used every day.
  • the start time of the media file is 7:00 pm
  • the "end" position is filled with 20: 00, indicating that the end time of the time period for allowing the media file to be used every day is 8:00 every night, then the specific permission expression
  • the statement can be: ⁇ ! ELEMENT o-dd:perdaydatetime (o-dd: start?, o-dd:end?)>
  • the copyright information of the restricted media file is set to the number of times the terminal device is allowed to use the media file every day (ie, the limit number of times)
  • the DRM agent may Allows the terminal device to continue to use the media file.
  • the copyright publishing node sets the copyright information that limits the number of times the terminal device uses the media file every day, and can set the permission expression statement.
  • the middle "perdaycount” location can be filled with various forms of information indicating the number of times the terminal device is restricted to use the media file every day. For example, the copyright publishing node fills in 3 in the "perdaycount” position, indicating that the number of times the media file is allowed to be used every day is 3 times. (ie the limit number is 3 times):
  • the terminal After the device uses the media file for a predetermined length of time, it is recorded as one time. If the number of times the terminal device uses the media file for the predetermined time has not reached the maximum number of times allowed, the number of times the terminal device uses the media file has reached the limit of allowing the terminal device to use it every day. When the media file is the maximum number of times, the DRM agent can prohibit the terminal device from using the media file again.
  • the copyright publishing node sets copyright information that limits the number of times the terminal device uses the media file for a predetermined length of time each day, and can set the permission expression statement.
  • the copyright publishing node allows the terminal device to use the media file for a predetermined period of time three times (ie, the maximum number of times is 3 times), and fills in the "timer" position for 30 seconds, indicating that the predetermined time length is 30 seconds, then the specific permission
  • the terminal device uses the media file for a predetermined period of time three times (ie, the maximum number of times is 3 times), and fills in the "timer" position for 30 seconds, indicating that the predetermined time length is 30 seconds, then the specific permission
  • the expression statement is:
  • ⁇ oma-dd: perdaytimed-count oma-dd: timer 30s>3 ⁇ / oma-dd: perdaytimed-count>, the above statement means that if the terminal device uses the media file for more than 30 seconds, the DRM agent records the terminal device to use the media on the same day. The file is used once. According to the above statement, the terminal device can only use the media file 3 times a day. This statement restricting the number of times the terminal device uses the media file for a predetermined length of time per day can be applied to the following cases: When the terminal device needs to select one of a plurality of media files, it is often not known which one to select, and the short-time is fast.
  • the system in FIG. 4 includes a second processing module 411 located at the network device 410, a transmitting module 412, a receiving module 421 located at the terminal device 420, and a second control module 422.
  • the receiving module 421 may be located in the DRM agent unit of the terminal device 420, or may be located in the terminal device 420 outside the DRM agent unit, and the second control module 422 is located in the DRM agent unit of the terminal device.
  • the network device 410 in Figure 4 is a copyright publishing node.
  • the second processing module 422 of the copyright issuing node sets the restriction terminal device 420 to use the copyright information of the media file every day, and then the transmitting module of the copyright issuing node transmits the above copyright information to the terminal device.
  • the receiving module 412 of the terminal device transmits the copyright information to the second control module 422, and the second control module 422 determines the information of the media file used by the terminal device 420 and the copyright information of the media file used by the terminal device to be used every day, and according to the judgment result.
  • the terminal device 420 is allowed to use the media file, or the terminal device 420 is prohibited from using the media file.
  • the second control module 422 records the information of the media file used by the terminal device 420, and determines the information that the terminal device 420 currently uses the media file and the copyright information that restricts the use of the media file by the terminal device every day. And according to the judgment result, the terminal device 420 can be allowed or prohibited to continue to use the media file on the same day.
  • the second processing module of the copyright issuing node sets the time length copyright information for restricting the use of the media file by the terminal device every day; the transmitting module of the copyright issuing node transmits the copyright information for limiting the length of time the terminal device uses the media file every day to the terminal device.
  • the receiving module of the terminal device transmits the above copyright information to the second control module, and the second control module end device uses the time length copyright information of the media file:
  • the second control module may prohibit the terminal device from continuing to use the media file on the same day. If the length of time that the terminal device uses the media file on the day has not reached the length of time in the copyright information that allows the media file to be used every day, the second control module may allow the terminal device to continue to use the media file on the same day. In the process of using the media file by the terminal device, the second control module uses the media file for the terminal device at a predetermined frequency Whether the length of time is in the file within the length of time allowed for the terminal device to use the media file every day.
  • the second processing module of the copyright issuing node sets the period copyright information restricting the use of the media file by the terminal device every day;
  • the transmitting module of the copyright issuing node transmits the copyright information of the period in which the terminal device uses the media file every day to the terminal device.
  • the receiving module of the terminal device transmits the copyright information to the second control module, and the second control module determines the time period information of the media file used by the terminal device on the same day and the received copyright information of the time period for restricting the terminal device to use the media file every day:
  • the second control module may prohibit the terminal device from continuing to use the media file on the same day. If the time period in which the terminal device uses the media file also belongs to the time range in the copyright information that allows the media file to be used every day, the second control module may allow the terminal device to continue to use the media file on the same day until the end of the time period in which the terminal device is allowed to use the media file every day. time. In the process of using the media file by the terminal device, recording and judging are performed in the second time period, and according to the judgment result, the terminal device may be allowed or prohibited to continue to use the media file on the same day.
  • the second processing module of the copyright issuing node sets the copyright information for limiting the number of times (ie, the limit number of times) the media device uses the media file every day;
  • the sending module of the copyright publishing node transmits the copyright information of the number of times the terminal device uses the media file every day to the terminal. device.
  • the receiving module of the terminal device transmits the copyright information to the second control module, and the second control module determines the number of times the terminal device uses the media file on the day and the received copyright information that limits the number of times the terminal device uses the media file every day:
  • the second control module may prohibit the terminal device from continuing to use the media file on the same day. If the number of times the terminal device uses the media file on the same day has not reached the limit number of times in the copyright information that allows the daily use of the media file, the second control module may allow the terminal device to continue to use the media file on the same day until the daily use of the medium is allowed. The limit number of body files.
  • the second control module uses the media file for the terminal device to record and judge the limit number of times the terminal device is allowed to use the media file every day, and may allow or prohibit the terminal device according to the judgment result. Continue to use the media files.
  • the second processing module of the copyright issuance node sets copyright information that limits the number of times the terminal device uses the media file for a predetermined length of time each day; the sending module of the copyright publishing node limits the number of times (ie, the maximum number of times) the terminal device uses the media file for a predetermined length of time each day.
  • the copyright information is sent to the terminal device.
  • the receiving module of the terminal device transmits the copyright information to the second control module, and the second control module determines the number of times the terminal device uses the media file for a predetermined length of time and the received number of times that the terminal device uses the media file for a predetermined length of time each day.
  • Copyright information In the copyright information, the maximum number of times the media file is allowed to be used every day is allowed, and the second control module may prohibit the terminal device from continuing to use the media file on the same day. If the number of times the terminal device uses the media file for a predetermined length of time does not reach the maximum number of times in the copyright information that allows the media file to be used every day for a predetermined length of time, the second control module may allow the terminal device to continue using the media file on the same day until the daily use is allowed. The maximum number of times a media file is booked. In the process of using the media file by the terminal device, the second control
  • the copyright information of the cartoon VCD can be set to be viewed every day by the permission expression statement:
  • the time limit for watching cartoons every day is 12:00 ⁇ 13:00;
  • a mobile phone user wants to purchase a very interesting online game through MMS (Multimedia MMS Service), hoping to download it on the mobile phone to be entertained when the work is idle, but he is concerned that the game will not be controlled once it starts.
  • MMS Multimedia MMS Service
  • the copyright publishing node is used to restrict the use of the copyright information of the media file area, thereby realizing the limitation of the use of the media file, thereby avoiding the remote and foreign piracy to the media file publisher and the copyright owner.
  • Economic loss restricting the use of media files by the terminal device every day by the copyright publishing node setting, which limits the daily use of media files by the terminal device, including: limiting the length of time that the terminal device uses the media file every day, and the time period during which the media file is used every day. The number of times a media file is used per day and the number of times a media file is used each day for a predetermined length of time; thus allowing users to use media files more reasonably.
  • the present invention can be implemented by hardware or by means of software plus a necessary general hardware platform.
  • the technical solution of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.), including several The instructions are for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention.

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  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
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  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
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Abstract

L'invention concerne un procédé de limitation d'utilisation de fichier multimédia, un système et un dispositif. L'agent DRM juge les informations de la région où le dispositif terminal se trouve actuellement et les informations de droit reçues pour limiter la région d'utilisation du fichier multimédia, et permet ou interdit au dispositif terminal d'utiliser le fichier multimédia en fonction du résultat du jugement, par l'envoi, effectué par le nœud d'émission de droit, des informations de droit pour limiter la région d'utilisation du fichier multimédia; l'agent DRM juge les informations indiquant que le dispositif terminal utilise le fichier multimédia au cours de la journée actuelle et les informations de droit reçues qui limitent l'utilisation par le dispositif terminal du ficher multimédia par jour, et permet ou interdit au dispositif terminal d'utiliser le fichier multimédia en fonction du résultat du jugement, du fait de l'envoi, par le nœud d'émission de droit, des informations de droit pour limiter l'utilisation par le dispositif terminal du ficher multimédia par jour.
PCT/CN2008/071748 2007-07-26 2008-07-25 Procédé de limitation d'utilisation de fichier multimédia, système et dispositif WO2009012719A1 (fr)

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CN200710119582.5A CN101105829A (zh) 2007-07-26 2007-07-26 媒体文件的使用限制方法、系统和设备
CN200710119582.5 2007-07-26

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Families Citing this family (4)

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CN101105829A (zh) * 2007-07-26 2008-01-16 华为技术有限公司 媒体文件的使用限制方法、系统和设备
CN102739656A (zh) * 2012-06-12 2012-10-17 北京英华高科科技有限公司 一种控制非主节点类型和规模的方法和系统
CN105872596A (zh) * 2015-12-04 2016-08-17 乐视网信息技术（北京）股份有限公司 一种视频播放的限制方法和系统
CN106611111A (zh) * 2016-12-12 2017-05-03 珠海市魅族科技有限公司 一种终端设备使用控制方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1186298A (zh) * 1996-12-26 1998-07-01 株式会社东芝 记录数据的媒体和再生装置及通过网络等再生数据的系统
WO2006109955A1 (fr) * 2005-04-15 2006-10-19 Lg Electronics Inc. Procede permettant de limiter l'utilisation d'un contenu dans le cadre de la gestion de droits numeriques
CN101105829A (zh) * 2007-07-26 2008-01-16 华为技术有限公司 媒体文件的使用限制方法、系统和设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1186298A (zh) * 1996-12-26 1998-07-01 株式会社东芝 记录数据的媒体和再生装置及通过网络等再生数据的系统
WO2006109955A1 (fr) * 2005-04-15 2006-10-19 Lg Electronics Inc. Procede permettant de limiter l'utilisation d'un contenu dans le cadre de la gestion de droits numeriques
CN101105829A (zh) * 2007-07-26 2008-01-16 华为技术有限公司 媒体文件的使用限制方法、系统和设备

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