Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
  • G06Q50/10—Services
  • G06Q50/20—Education
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q10/00—Administration; Management
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
  • G06Q50/10—Services

Definitions

• the present invention relates to a system for editing and playing a scenario of a multimedia and a method thereof, and more particularly, to a system for editing and playing a scenario of a multimedia for language studying and a method thereof.
• the users can create new multimedia data having their own contents by storing one multimedia datum or a plurality of multimedia data in the computer, dividing and combining the multimedia data, adjusting the order of the multimedia data, and further adding an effect by using the existing creating tool.
• the multimedia contents include various formats such as moving pictures such as avi, mpeg, etc., voices (music) such as mp3, ogg, etc., and images such as jpg, gif, etc.
• Such created multimedia contents may be shared on the Internet. Another user may recreate his/her own contents by being downloaded the shared multimedia contents.
• the users edit original multimedia data, which results in generating another format of multimedia data.
• the user who re-edits the another format of multimedia data cannot acquire information on the original multimedia data and performs the re-editing on the basis of the multimedia data which is modified through editing or only a part of the original multimedia data.
• Numerous multimedia data are created by editing one multimedia datum and numerous multimedia data created by the above-described manner are shared on the Internet.
• creation files including a temporal sequence, divided fragments, effects, etc. are created by using multimedia data stored in the computer of each user, but only a finally edited multimedia datum is generally shared at the timing of sharing the multimedia contents on the Internet. Therefore, there are many exhaustive problems in that a user who wants to re-edit the multimedia data must repetitively perform the same process by using the finally shared multimedia data without information on the creation file.
• the capacity of the multimedia data remarkably increases. Since a small-sized portable apparatus has a capacity limit in storing the multimedia data that are edited by the user, the user can carry the small-sized portable apparatus with only the multimedia data of a limited number stored in the small-sized portable apparatus.
• a provider who charges a usage fee by providing the multimedia data has difficulty in charging the usage fee when the provided multimedia data are processed and edited, while a user who wants to pay a proper usage fee has difficulty in paying the usage fee.
• the user who has sound source data for language studying wants to repetitively play only an important part necessary for himself/herself, the user must designate a section to repeat by designating the sections one-by-one or must reconfigure the section through a complicated process by selectively editing only the section. Accordingly, there frequently occurs a case in which a learner just hears sufficiently learned parts through the repetitive process. As a result, the user cannot effectively manage a learning time, such that the user cannot maximize studying efficiency.
• a first object of the present invention is to provides a simple and rational method in creating leaner's own contents for language studying, which have a new scenario by using the existing multimedia for language studying by providing an apparatus for editing and playing a scenario of the multimedia for language studying and a method thereof.
• a second object of the present invention is to allow users to edit original multimedia data without modifying the original multimedia data and enables the users to easily search a desired multimedia for edition without wasting Internet resources.
• a third object of the present invention is to enable other users who perform a re-editing operation to edit the original multimedia data through sharing of the scenario.
• a service provider server of a system for editing and playing a scenario of a multimedia includes a metadata database that stores metadata for the multimedia; a scenario editing unit for editing the scenario of the multimedia on the basis of the metadata stored in the metadata database; and a scenario playing unit that receives the corresponding multimedia from a media database for each segment and generates the multimedia in accordance with the scenario data edited by the scenario editing unit.
• a detailed option item relating to playing for each segment are written in the scenario data.
• One or more among a stand-by time of the corresponding segment, a playing speed of the corresponding segment, the number of times of repetitions of the corresponding segment, playing or not playing of the corresponding segment, and a playing sequence of the corresponding segment are written in the detailed option item relating to playing for each segment.
• An indication identifier of the corresponding metadata hierarchy and an indication identifier of the corresponding scenario hierarchy are written in the scenario data.
• the scenario editing unit includes a teaching material selection unit that receives a tag content from a user to edit a tag for the corresponding multimedia. One or more items among an identifier, difficulty, and importance for uniquely discriminating the corresponding multimedia are written in the tag for the multimedia.
• the scenario editing unit includes a teaching material management unit searches whether or not a content that is consistent with a search word input from the user exists among the contents of the metadata stored in the metadata database.
• the scenario editing unit includes an option setting unit that sets the detailed option item received from the user relating to playing for each segment when the multimedia is played in accordance with the scenario data.
• the service provider server further includes a file generation unit that receives the corresponding multimedia from the media database for each segment to generate the multimedia file in accordance with the scenario data edited by the scenario editing unit.
• the metadata for the multimedia contains a category item indicating content classification of data of the corresponding segment.
• the metadata for the multimedia includes a start point and a playing length of the data of the corresponding segment.
• the multimedia contains a sound source file for language studying.
• a method for playing a scenario of a multimedia for language studying according to the present invention includes transmitting metadata having a hierarchical structure for the multimedia to a user terminal in accordance with a request for the metadata for the corresponding multimedia from the user terminal; storing edited scenario data of a multimedia; and transmitting the multimedia to allow the user terminal to receive and transmit the corresponding multimedia for each segment on the basis of the scenario data.
• the detailed option item relating to playing for each segment are written in the scenario data.
• One or more among a stand-by time after playing the corresponding segment, a playing speed of the corresponding segment, the number of times of repetitions of the corresponding segment, playing or not playing of the corresponding segment, and a playing sequence of the corresponding segment are written in the detailed option item relating to playing for each segment.
• An indication identifier of the corresponding metadata hierarchy and an indication identifier of the corresponding scenario hierarchy are written in the scenario data.
• the method for playing a scenario of a multimedia for language studying further includes searching whether or not a content that is consistent with a search word input from the user exists among the contents of the metadata stored in the metadata database.
• the multimedia contains a sound source file for language studying.
• the method for playing a scenario of a multimedia for language studying further includes receiving the corresponding multimedia for each segment in accordance with the scenario data of the edited multimedia and creating the multimedia file.
• the present invention it is possible to allow users to perform various editing operations without modifying the original multimedia and to search desired multimedia for editing without wasting Internet resources, and enable other users who perform a re-editing operation through sharing of a scenario. It is possible to create the learner's own contents for language studying, which have a new scenario by using the existing multimedia for language studying in a simple and rational method. Further, it is possible to facilitate charging a usage fee for edited multimedia, charge the usage fee for each segment, and remarkably improve a transmission traffic. [Description of Drawings]
• FIG. 1 is an entire configuration diagram of a system for editing and playing a scenario of a sound source file for language studying according to the present invention
• FIG. 2 is a diagram for illustrating a structure of metadata according to the present invention
• FIGS. 3 and 4 are diagrams for illustrating a structure of scenario data
• FIG. 5 is a detailed configuration diagram for specifically describing a function of a scenario editing unit of FIG. 1;
• FIGS. 6 to 9 are diagrams for specifically illustrating a method for editing and playing a scenario of a sound source file for language studying according to the present invention. [Best Mode]
• FIG. 1 is an entire configuration diagram of a system for editing and playing a scenario of a multimedia for language studying according to the present invention.
• the system for editing and playing a scenario of a multimedia for language studying includes a user terminal 100, a media DB 200 that provides various language studying multimedia (i.e., avi, mpeg, mp3, ogg, etc.) including sound sources to a service provider server 300, the service provider server 300 that stores metadata for the multimedia and allows a user to edit the scenario and play the corresponding language studying multimedia on the edited scenario, and a scenario DB 400 that stores variously created scenario data (hereinafter, referred to as 'scenario').
• 'scenario' variously created scenario data
• the user terminal 100, the media DB 200, the service provider server 300, and the scenario DB 400 are connected to each other via a network. Meanwhile, in FIG. 1 , the media DB 200, the service provider server 300, and the scenario DB 400 are illustrated as individual components, but they may be implemented by physically being incorporated into one device.
• the user terminal 100 includes a terminal control unit 110 that controls an entire user terminal, an interface 120 that allows the user to input a command and view the corresponding screen, a communication unit 130 for communicating with the service provider server 300, and a storage unit 160 that stores basic data required for carrying out the present invention.
• a language studying multimedia producer just stores the produced language studying multimedia in the media DB 200. Further, when metadata for the produced multimedia are produced and are stored in a metadata DB 360, various users including the language studying multimedia producer produce various scenarios by using the metadata and store the scenarios in the scenario DB 400. A new scenario is created while the users re-edit the scenarios. As described above, when metadata for one language studying multimedia is created and shared, the number of scenarios influenced thereby unexpectedly increases and the number of times when the users access the language studying multimedia also increases. Meanwhile, during this process, the number of copied multimedia does not increase, but the multimedia have only to exist at a predetermined position of the media DB 200 with retaining its original form.
• the service provider server 300 includes a communication unit 310 for communicating with the user terminal 100, a control unit 320 that controls the service provider server 300, a scenario editing unit 330 for editing the scenario, a file generation unit 335 that receives the corresponding multimedia from the media DB 200 for each segment in accordance with the scenario edited by the scenario editing unit 330 to generate a new multimedia file, a scenario play unit 340 that is provided with the corresponding multimedia from the media DB 200 for each segment in accordance with the scenario edited by the scenario editing unit 330 to generate the multimedia, a metadata DB 360 that stores metadata for various multimedia stored in the media DB 200, and a metadata management unit 350 for managing the metadata for the multimedia input from the metadata DB 360 or the user.
• the metadata DB 360 stores the metadata in the form of a table. A structure of the metadata for the multimedia stored in the metadata DB 360 will be described below in detail with reference to FIG. 2.
• the service provider server 300 receives a request for the metadata for the multimedia from the user terminal 100 through the communication unit 310, the service provider server 300 extracts the corresponding metadata from the metadata DB 360 and transmits the extracted metadata to the user terminal 100. Further, when the user terminal 100 creates the metadata for the multimedia in accordance with a format to transmit the metadata to the service provider server 300, the service provider server 300 updates or the metadata stored in the metadata DB 360 or adds new metadata to the metadata DB 360.
• the service provider who creates the metadata for the sound source file occupied or produced by himself/herself and stores the metadata in the metadata DB 360 of the service provider server 300 can charge a usage fee for the sound source file occupied or produced by himself/herself for each segment when a scenario including the corresponding metadata is created and is played in the user terminal 100.
• Various methods may be expected as a charging type or route. For example, if the user terminal 100 must be transmitted with a corresponding connection position and contents from the service provider server 300 in order to play the scenario, the service provider server 300 can charge the usage fee by using charging information for each segment and user's identifier information by being transmitted with the user identifier from the user terminal 100. It is possible not to charge the usage fee for the entire multimedia but to charge the usage fee for each segment and it is possible to easily charge the usage fee.
• the scenario DB 400 stores scenarios produced by various users and multimedia data providers.
• the scenario DB 400 has a search function to allow a user who accesses the scenario DB 400 to easily find the scenario.
• a detailed configuration of the scenario data stored in the scenario DB 400 will be described below in detail with reference to FIG. 3.
• the scenario DB 400 provides the corresponding scenario.
• the scenario DB 400 receives the scenario created by the user terminal 100 through the service provider server 300 to update or add the scenario.
• the scenario DB 400 charges the usage fee at the time of transmitting the scenario to the user terminal 100 to allow payment for the scenario to be made to the corresponding scenario creator.
• the scenario creator may desire to add another scenario to the scenario DB 400, and shares his/her own scenario to acquire an income.
• the scenario creator does not own the multimedia used for the scenario, but he/she may acquire the income for his/her own scenario as his/her work.
• the media DB 200 and the scenario DB 400 may operate so as to allow the user to connect to the proper service provider server 300 by an interconnection procedure similarly as a DNS server.
• the media DB 200 and the scenario DB 400 may separately exist inside and outside of the service provider server 300.
• 'Media ID' is a media identifier uniquely given to each of the multimedia data.
• 'Category' is used for distinguishing contents of the corresponding segment.
• Each of the segments such as words, meanings, examples, etc. is classified in accordance with the contents and each segment is written in the metadata, whereby the user who creates the scenario can intuitively grasp the contents and can modify the scenario at one time.
• 'Segment ID' is an identifier for uniquely identifying divided segments.
• 'Start' and 'Finish' are a start point and a finish point of the corresponding segment, respectively and may be set in various forms such as a time, frame number, etc.
• 'Length' is a playing length of the corresponding segment and may be set in various forms such as a time, the number of frames, etc.
• 'Message' is basic information that helps the user intuitively grasp the contents and conforms to the corresponding category in order to modify the scenario at one time.
• a category of a segment that has a 'segment ID' of 2 belongs to the English word (herein, A) and information "progress" corresponding thereto is entered.
• parts of the segments are overlapped and may exist as an independent segment.
• a unique media ID herein, 1 is granted to the sound source file 1(10).
• the sound source file 1(10) is segmented into 10 segments. Segment IDs of 1 to 10 are granted to the segments, respectively.
• an identifier for classifying the category of the corresponding segment is written in each segment. For example, in FIG. 2, in the case of a segment that has a segment ID of 3, since the content of the segment corresponds to the meaning of English word "progress", a category B is written in the segment. In addition, a start time, a finish time, and a length of each segment are written in the corresponding segment.
• the metadata is created in a similar manner with respect to a sound source file 2(2) having a media ID of 2.
• scenario data created by the scenario editing unit 130 will be described with reference to FIGS. 3 and 4 that illustrate the structure of the scenario data.
• the scenario data may be largely partitioned into a scenario title area, a media area, a category data area, a metadata area, and a scenario area.
• basic information i.e., a title of a scenario
• 'Lesson 1 in Memorize Efficient Voca within 10 Days' may be entered as the title, for example.
• a media identifier, a media type, a media name, a media address, etc. that are used for the scenario are written in the media area.
• a media to be used in the scenario is an MP3 for language studying
• the MP3 is written as the media type.
• Data i.e., a category identifier and category information to be used for indication
• option values i.e., a playing sequence of the corresponding category, a stand-by time after playing, a multiple of the playing time, and the number of times of repetition and playing or not playing of the corresponding category
• a title of the corresponding data layer is written in the metadata area.
• metadata having the structure described in FIG.
• scenario data having the above-described structure
• various multimedia are classified in accordance with the content and are hierarchically visualized in conformity with the category, such that the multimedia can be displayed and managed in the scenario editing unit 330 of the service provider server 300. Accordingly, the user who creates the scenario can intuitively grasp the content of the multimedia and easily modify the scenario at one time.
• the user who has a scenario relating to the language studying wants to heat only a description part of a key word three times, the user can easily modify the scenario by setting only a part having a category for description of the key word to be repeated three times at one time.
• a case in which only 'Apple' is set to be played one time is illustrated.
• the user wants to play parts except for a meaning part the user can easily modify the scenario by setting only a part having a meaning category to be skipped.
• FIG. 5 is a detailed configuration diagram for specifically describing a function of the scenario editing unit of FIG. 1.
• the scenario editing unit 330 includes a teaching material selection unit 332 that allows the user to select a user's desired metadata among various metadata for each of the multimedia stored in the service provider server 300 by means of the user terminal 100, a teaching material management unit 334 that allows the user to classify the metadata for the multimedia selected by the teaching material selection unit 332 through the user terminal 100 and search and manage the metadata for the user's desired multimedia, a scenario configuration unit 336 that allows the user to configure the scenario by using the desired metadata through the user terminal and add necessary additional information, and an option setting unit 338 that allows the user to set the detailed option item relating to playing the scenario configured through the scenario configuration unit 336.
• the teaching material selection unit 332 allows the user to select the metadata (hereinafter, 'teaching material') of the user's desired multimedia among various metadata stored in the service provider server 300.
• the user can create the scenario by using the selected 'teaching material'.
• the teaching material selection unit 332 receives a tag content from the user to edit a tag for the selected 'teaching material'.
• the user can tag an identifier, difficulty, importance, etc. for uniquely teaching materials through the teaching material selection unit 332.
• the user can rapidly search a teaching material having a desired content for each tag value, each difficulty, or each importance through the teaching material management unit 334 to be described below with the tag by editing the tag with respect to the selected teaching material.
• the teaching material management unit 334 classifies the 'teaching material 1 selected through the teaching material selection unit 332 in accordance with a classification criterion to search and manage a desired 'teaching material'.
• the scenario configuration unit 336 configures the scenario by using the desired teaching material and adds the necessary additional information.
• the option setting unit 338 allows the user to set up detailed options relating to playing, a test or not, a preview function, etc. at the time of playing the multimedia in accordance with the scenario configured through the scenario configuration unit 336. More specifically, the option setting unit 338 allows the user to set the playing sequence of the corresponding category, the stand-by time after playing, the double of the playing time (playing speed), the number of times of repetitions and playing or not playing of the corresponding category, etc.
• FIGS. 6 to 9 a method for editing and playing a scenario of multimedia for language studying according to an embodiment of the present invention will be described in detail.
• the user can verify the content of each teaching material selected through the teaching material selection unit 332 and constituent components of the content in the teaching material management unit 334.
• the teaching material management unit 334 displays the metadata for the teaching material 1 through an interface by visualizing the metadata for the teaching material 1 in a hierarchical structure. Therefore, the user verifies the content of the teaching material 1 and constituent components constituting the content to select a user's desired constituent component.
• the teaching material management unit 334 indicates an attribute of the constituent component selected by the user. For example, as shown in FIG.
• a meaning of 'Apple 1 , a representative example including 'Apple', etc. are indicated as the attribute of the constituent component.
• the user can selectively hear a pronunciation of the attribute if the user wants to hear the pronunciation of the attribute.
• the metadata for each teaching material are visualized and indicated in the hierarchical structure, such that the user can intuitively grasp the content and easily configure the scenario by selecting the corresponding constituent component and dragging and dropping the corresponding constituent component. That is, after the user verifies the contents of the teaching material indicated through the teaching material management unit 332 and the constituent components constituting the contents, the user selects only the user's desired constituent components to configure the user's own scenario through the scenario configuration unit 336.
• the user since the user has already studied English words included in a lower hierarchy of a classification 1 among the contents of the teaching material 1, the user selects only English words belonging to a lower hierarchy of a classification 2 to configure the user's own scenario if the user wants to heat only the English words belonging to the lower hierarchy of the classification 2. Further, the user can edit the scenario by deleting the constituent components belonging to each hierarchy or changing the sequence of the constituent components through the scenario configuration unit 336. For example, if the user wants to delete 'Gun' in the hierarchy of the classification 2 through the scenario configuration unit 336, the user can delete it and if the user wants to change the sequence of 'Propose' and 'Progress', the user can edit the scenario by changing the sequence thereof.
• the teaching material management unit 334 receives the tag content from the user and searches the constituent components of the teaching material 1 corresponding to the tag content to provide them to the user. For example, when the user intends to search a required English word corresponding to a first-grade middle school student level in the teaching material 1 , the user searches the required English word by setting the difficulty (herein, 'grade') to the first-grade middle school student level and the importance (herein, 'level') to a requisite. Therefore, the user searches the corresponding English word to provide it to the user. Therefore, as described above in FIG.
• the teaching material management unit 334 receives a search word from the user and searches a constituent component corresponding to the search word from teaching materials previously selected through the teaching material selection unit 332 to provide it to the user.
• the teaching material management unit 334 receives a search term 'Apple*' from the user and searches relevant words starting from 'Apple' from the teaching materials 1 and 2 to provide them to the user. Therefore, as described above, after the user verifies the contents of the teaching material indicated through the teaching material management unit 334 and the constituent components constituting the contents, the user selects only the user's desired constituent components to configure the user's own scenario through the scenario configuration unit 336.
• the option setting unit 338 receives option values of detailed options relating to playing, a test or not and a test type, a less preview function, etc. from the user and stores them at the time of playing the multimedia in accordance with the scenario configured through the above-described manner.
• the user can set the playing sequence of the corresponding category, the stand-by time after playing, the double of the playing time (playing speed), the number of times of repetitions and the playing or not playing of the corresponding category, etc. through the option setting unit 338.
• the scenario playing unit 340 of FIG. 1 receives the corresponding multimedia for each segment from the media DB on the basis of the scenario edited by the scenario editing unit 330 and plays the multimedia for each segment in accordance with the control signal received from the user terminal 100.
• the file generation unit 335 of FIG. 1 receives the corresponding multimedia from the media DB for each segment on the basis of the scenario edited by the scenario editing unit 330 to generate the new multimedia file and provide it to the user terminal 100.
• the user can play the multimedia file having the user's own scenario anytime and anywhere by downloading the multimedia file to user's own terminals (i.e., a PC, a cellular phone, a PMP, a MP3 player, etc.).
• user's own terminals i.e., a PC, a cellular phone, a PMP, a MP3 player, etc.
• the user stores an MP3 file for language studying, which has a predetermined scenario in a user's own portable terminal and plays and hears the MP3 file when necessary, thereby maximizing a language studying effect.
• the original multimedia is not modified and is not coped and stored in the user terminal, it is possible to effectively save Internet resources.
• the producer of the contents for language studying or the service provider can prevent the contents from being copied, maintain the original data, and easily grasp the users who access the original data, thereby rationally charging the usage fee. Since the access is made to the necessary language studying multimedia for each segment, the usage fee is charged for each segment, thereby being effective for both the user and the service provider. Since the data is transmitted for each segment, it is possible to reduce the transmission traffic.
• the user who intends to create the scenario can save the trouble of recreating the scenario by using a scenario previously created by another user.
• the present invention can be implemented as a computer-readable code in computer-readable recording media.
• the computer-readable recording media includes all types of recording apparatuses in which data that can be read by a computer system is stored.
• Examples of the computer-readable recording media may include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage, etc.
• the computer-readable recording media also include an apparatus realized in the form of a carrier wave (i.e., transmission through the Internet).
• the computer-readable recording media are distributed on systems connected through the network, and are stored and executed as the computer-readable code by a distribution method.

Landscapes

• Business, Economics & Management (AREA)
• Tourism & Hospitality (AREA)
• Engineering & Computer Science (AREA)
• General Business, Economics & Management (AREA)
• General Physics & Mathematics (AREA)
• Human Resources & Organizations (AREA)
• Marketing (AREA)
• Theoretical Computer Science (AREA)
• Strategic Management (AREA)
• Physics & Mathematics (AREA)
• Economics (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Primary Health Care (AREA)
• Educational Administration (AREA)
• Educational Technology (AREA)
• Entrepreneurship & Innovation (AREA)
• Operations Research (AREA)
• Quality & Reliability (AREA)
• Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
• Electrically Operated Instructional Devices (AREA)
• Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=40697821

Family Applications (1)

Country Status (2)

Citations (5)

• 2008
  • 2008-07-23 KR KR1020080071642A patent/KR100887402B1/ko not_active IP Right Cessation
  • 2008-10-27 WO PCT/KR2008/006322 patent/WO2010010991A1/en active Application Filing

Patent Citations (5)

Also Published As

Similar Documents

Legal Events