Source: http://www.google.com/patents/US7599611?dq=3657699
Timestamp: 2014-11-24 12:31:04
Document Index: 442181279

Matched Legal Cases: ['Application No. 60', 'Application No. 200580031490', 'Application No. 05823683', 'Application No. 200580030565', 'Application No. 200580032007', 'Application No. 2007109793', 'Application No. 05787044']

Patent US7599611 - Recording medium, and method and apparatus of reproducing data recorded on ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA recording medium includes a data area and a data management area. The data area includes first and second titles which have different data formats with respect to each other. The data management area includes a plurality of data management files required for reproducing the first and second titles....http://www.google.com/patents/US7599611?utm_source=gb-gplus-sharePatent US7599611 - Recording medium, and method and apparatus of reproducing data recorded on the sameAdvanced Patent SearchPublication numberUS7599611 B2Publication typeGrantApplication numberUS 11/224,282Publication dateOct 6, 2009Filing dateSep 13, 2005Priority dateSep 13, 2004Fee statusPaidAlso published asUS20060056805Publication number11224282, 224282, US 7599611 B2, US 7599611B2, US-B2-7599611, US7599611 B2, US7599611B2InventorsKang Soo Seo, Jea Yong Yoo, Byung Jin KimOriginal AssigneeLg Electronics Co.Export CitationBiBTeX, EndNote, RefManPatent Citations (84), Non-Patent Citations (8), Referenced by (1), Classifications (10), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetRecording medium, and method and apparatus of reproducing data recorded on the sameUS 7599611 B2Abstract A recording medium includes a data area and a data management area. The data area includes first and second titles which have different data formats with respect to each other. The data management area includes a plurality of data management files required for reproducing the first and second titles. The data management files include a first object file which contains first management information associated with reproduction of the first title, and a second object file which contains second management information associated with reproduction of the second title. For example, the first title is a movie title and the second title is a Java title, and the first object file is a movie object and the second object file is one or more Java object files.
This application claims the benefit of U.S. Provisional Application No. 60/608,895, filed on Sep. 13, 2004, in the name of inventors Kang Soo SEO, Jea Yong YOO, and Byung Jin KIM, entitled �METHOD OF CONFIGURING FILE STRUCTURE IN BLU-RAY DISC�, which is hereby incorporated by reference as if fully set forth herein.
Optical discs are widely used as a recording medium for recording mass data. Presently, among a wide range of optical discs, a new high density recording medium, such as a blu-ray disc (hereinafter referred to as �BD�), is under development for recording (or writing) and storing high definition video and audio data for a long period of time. Currently, the blu-ray disc (BD), which is known to be the next generation recording medium technology, is under development as a next generation optical recording solution that is capable of recording data significantly surpassing the conventional DVD, along with many other digital apparatuses. A global standard for the specification of such technology is also under discussion and development.
SUMMARY OF THE INVENTION Accordingly, the present invention is directed to a recording medium, and a method and apparatus of reproducing data recorded on the same that substantially obviate one or more problems due to limitations and disadvantages of the related art.
In the present invention, a �title� refers to a reproduction (or playback) unit forming an interface with the user. More specifically, the title according to the present invention is linked with a specific object. And, a stream associated with the corresponding title recorded on the optical disc is reproduced in accordance with a command or program within the object. Accordingly, a relationship between the title recorded on the optical disc and a file structure within the optical disc for reproducing the title will be described in detail with reference to FIG. 2. More specifically, in order to simplify the description of the present invention, among the titles recorded on the optical disc, a title having motion picture data and/or interactive information recorded therein will be referred to as a �High Definition Movie (HDMV) title� or a �movie title�. A title having motion picture data and interactive information, which are executed by a Java program, are recorded therein is referred to as a �Java title�.
Furthermore, in the present invention, an �object� refers to a reproduction management information including a command or program for reproducing the optical disc. More specifically, various types of objects exist within the disc, wherein each object is either linked with a specific title or inter-linked with other objects within the disc. Therefore, a wide range of disc reproduction scenarios may be provided. In other words, the object according to the present invention may be viewed as a reproduction unit including a command or program for managing a reproduction scenario of the data recorded on the optical disc. Accordingly, the object for reproducing the �HDMV title� is referred to as a �Movie Object� or �M-OBJ�, and the object for reproducing the �Java title� is referred to as a �Java Object� or �J-OBJ�. Furthermore, a file including the object information is referred to as an object file, which will be described in detail in a later process.
FIG. 1 provides a conceptual understanding of the present invention. More specifically, FIG. 1 illustrates an example of reproducing a read-only blu-ray disc (BD-ROM) through an optical recording and/or reproducing device 10. Particularly, FIG. 1 illustrates an example of when the titles recorded on the BD-ROM consist of a combination of HDMV titles and Java titles (which is referred to as a �Full mode�). The present invention is to provide a standardized file structure within the optical disc as well as a method and apparatus for reproducing such file structure, in order to reproduce the BD-ROM, which is recorded in �Full mode�.
Accordingly, the optical recording and/or reproducing device 10 of the present invention can record or reproduce data on or from optical discs of various standards. And, depending upon its design, the optical recording and/or reproducing device 10 may either record/reproduce optical discs of only one particular standard (e.g., the blu-ray disc (BD)) or only reproduce data and not perform any recording of data. In the present invention, an example of a player (i.e., BD-Player) for reproducing the read-only blu-ray disc (i.e., BD-ROM). Herein, a plurality of titles is recorded on the BD-ROM in accordance with the format of the BD-ROM. It is apparent that the optical recording and/or reproducing apparatus 10 can also be referred to as a �driver� which may be equipped in computers.
In the reproduction management file structure (a), at least one BD directory (BD directory) is included in a root directory. Each BD directory includes an index file (�index�) and an object file (�Object�), which ensure interactivity with one or more users. Each BD directory includes three file directories including data to be reproduced, and information required for reproducing the data. The file directories included in each BD directory are a stream directory (STREAM), a playlist directory (PLAYLIST), and a clip information directory (CLIPINF). The BD directory also includes a Java directory (JAVA) which consists of one or more Java program files. Hereinafter, the above-mentioned directories and the files included in each directory will be described in detail. Also, the directory names and the file names used for describing the file structure according to the present invention are only examples, which are used to simplify the description of the file structure.
Referring to FIG. 2, the stream directory includes a plurality of stream files recorded in specific formats within the optical disc. Generally, motion picture data, audio data, interactive graphic data, or text subtitle data is recorded within each stream file. Additionally, the clip information directory (CLIPINF) includes clip information files (01000.clpi, 02000.clpi) being in one-to-one correspondence with each of the stream files included in the stream directory. A clip information file (*.clpi) includes property information and timing information of a corresponding stream file. More specifically, a stream file (*.m2ts) and a clip information file (*.clpi) that is in one-to-one correspondence with the stream file are collectively referred to as a �clip�. In other words, a clip information file (*.clpi) corresponding to each stream file (*.m2ts) must exist.
More specifically, the PlayList file is operated (or executed) only by the command of the above-described object. Accordingly, from the perspective of a disc reproduction scenario, the Object executes or manages a dynamic scenario, and the PlayList file (*.mpls) executes or manages a static scenario. Furthermore, the Java directory (JAVA) includes Java program files (e.g., PPPPP.jar or QQQQQ.jar). Various types of applications are programmed in each Java program file, which is particularly referred to as an �Xlet�. The Java program file is processed by a Java-specific reproduction means, which will be described in detail in a later process with reference to FIG. 9B.
Referring to FIG. 2, part (b) illustrates the relationship of a specific title being reproduced by the file structure (a) also shown in FIG. 2. Accordingly, the relationship of a corresponding title being reproduced when a title reproduction command made by a user, which is particularly for a specific title provided to an index table configured based on an index file, is inputted will now be described in detail. Herein, the index file includes a �First Playback� information, a �TopMenu� information, and at least one �Title� (i.e., Title #1 to Title #4) information. The First PlayBack information includes information on a image that is first displayed when a corresponding disc is loaded, and the TopMenu information provides (or displays) a menu screen. Herein, the title (i.e., Title #1 to Title #4) may be configured of any one of an HDMV title and a Java title.
In a later process, when the user selects a specific title (e.g., Title #1), a specific PlayList is reproduced in accordance with a command or program of a specific object that is linked with the selected Title #1 within the Object file of the file structure (a). Also, a specific clip (configured of �*.clpi� and �*.m2ts�) is reproduced by a PlayItem within the PlayList. Accordingly, if the selected title (e.g., Title #1) is an HDMV title, the title is reproduced by a specific �M-OBJ� included in one of the object files. Alternatively, if the selected title (e.g., Title #1) is a Java title, a specific �J-OBJ� is used for reproduction. More specifically, the present invention seeks to provide various exemplary embodiments on the method of configuring the above-described objects (�M-OBJ� and �J-OBJ�) according to the present invention, which will be described in detail with reference to FIG. 4A to FIG. 6B. Furthermore, the index file may either be configured of a single index file (e.g., FIG. 8A and FIG. 8B) or be configured of a first index file including index information on only the HDMV titles, and a second index file including information on both the HDMV titles and the Java titles (e.g., FIG. 7A and FIG. 7B). This will be described in more detail with reference to FIG. 7A to FIG. 8B.
FIG. 3 illustrates an exemplary structure of the information associated with the file structure (a) being recorded within the optical disc. More specifically, starting from the inner circumference (or center) of the disc, the disc volume includes a file system information area occupying the inmost portion of the disc volume, an AV stream area occupying the outmost portion of the disc volume, and a database area occupied between the file system information area and the stream data area. In the file system information area, system information for controlling the entire data files is recorded. And, main data such as audio/video/graphic data are recorded in the stream area. Disc reproduction management files, such as index files, object files, PlayList files, and clip information files, are recorded in the database area of the disc volume. Further, an area in which the HDMV titles and the Java titles according to the present invention are recorded is referred to as a �Title recording area�. This area corresponds to the stream area shown in FIG. 3. An area for recording information and files for reproducing the titles is referred to as a �management area�. This area corresponds to the File system information area and the database area shown in FIG. 3. Herein, each area shown in FIG. 3 is only exemplary, and, therefore, the alignment of each of the areas is not limited to the structure shown in FIG. 3.
In the present invention, the Movie Object (M-OBJ) for reproducing the HDMV titles and the Java Object (J-OBJ) for reproducing the Java titles are formed to be independent from one another and, therefore, not to interfere with one another. In the first embodiment of the present invention, the �M-OBJs� are included in a single Movie Object file (MovieObject.bdmv), and the �J-OBJs� are included in each corresponding Java program file (*.jar). For example, J-OBJ 1 is included in PPPPP.jar, and J-OBJ 2 is included in QQQQQ.jar. Accordingly, FIG. 4B illustrates a plurality of J-OBJs being included in each Java program file (*.jar) within the file structure shown in FIG. 4A. For example, by including a plurality of J-OBJs (i.e., J-OBJ 1, J-OBJ 2, . . . ) within the PPPPP.jar file, an optical disc using a wider range of reproduction scenarios may be designed and manufactured. However, in this case, a start object must be designated within the PPPPP.jar file. For example, the leading J-OBJ 1 may be used as the start object for executing the PPPPP.jar. The above-description may be identically applied to the QQQQQ.jar file.
FIG. 4C illustrates a relationship for reproducing a specific title in accordance with the file structure shown in FIG. 4A. Herein, it is assumed that Title #1 and Title #2 are HDMV titles and that Title #3 and Title #4 are Java titles. When an optical disc having the above-described structure is loaded in the optical recording and/or reproducing apparatus 10, and when an HDMV title (Title #1 or Title #2) is reproduced by a title reproduction selection, which is made by a user, or by a reproduction scenario recorded within the optical disc, the M-OBJ 1 and M-OBJ 2 that are respectively linked with Title #1 and Title #2 must first be executed. In order to do so, �Title_mobj_id_ref� information that executes the object being linked with the corresponding title must be recorded in the corresponding syntax. In the first embodiment according to the present invention, M-OBJ 1 and M-OBJ 2 are included in a single Movie Object file (MovieObject.bdmv).
On the other hand, when an optical disc having the above-described file structure is loaded in the optical recording and/or reproducing apparatus 10, and when an Java title (Title #3 or Title #4) is reproduced by a title reproduction selection, which is made by a user, or by a reproduction scenario recorded within the optical disc, the J-OBJ 1 and J-OBJ 2 that are respectively linked with Title #3 and Title #4 must first be executed. In order to do so, �Title_jobj_id_ref� information that executes the object being linked with the corresponding title must be recorded in the corresponding syntax. When reproduction is performed by using the file structure shown in FIG. 4A, J-OBJ 1 and J-OBJ 2 are included in each corresponding Java program file, PPPPP.jar and QQQQQ.jar. And so, the Title_jobj_id _ref( ) information must require information designating the Java program file including the corresponding J-OBJ (i.e., �Jar_file_name�). When the Java program file is configured with a plurality of applications, information designating a specific application (i.e., �application_id�) may be additionally included in the Title_jobj_id_ref( ) information. Therefore, the command that finally reproduces the PlayList file is executed by the M-OBJ in case of the HDMV title, and executed by the J-OBJ in case of the Java title.
FIGS. 5A and 5B illustrate a file structure recorded on the optical disc according to a second embodiment of the present invention. And, FIG. 5C illustrates a relationship for reproducing data using the file structure according to the second embodiment of the present invention. Referring to FIG. 5A, the basic configuration of the file structure is identical to the file structure shown in FIG. 2( a). Therefore, the structure of an object file managing the dynamic scenario will now be described in detail. More specifically, when compared with the file structure shown in FIG. 4A, in the file structure according to the second embodiment of the present invention, the objects for reproducing the Java titles (i.e., J-OBJ) and the objects for reproducing the HDMV titles (i.e., M-OBJ) are collectively recorded in a single object file (e.g., �JavaObject.bdj�). In other words, referring to FIG. 5A, the �JavaObject.bdj� file and the �MovieObject.bdmv� file are configured under the BD directory as general files. Alternatively, referring to FIG. 5B, the �MovieObject.bdmv� file is configured under the BD directory as a general file, and the �JavaObject.bdj� file is included in the Java directory (JAVA).
FIG. 5C illustrates a relationship for reproducing a specific title in accordance with the file structure shown in FIGS. 5A and 5B. Herein, it is assumed that Title #1 and Title #2 are HDMV titles and that Title #3 and Title #4 are Java titles. When an optical disc having the above-described structure is loaded in the optical recording and/or reproducing apparatus 10, and when an HDMV title (Title #1 or Title #2) is reproduced by a title reproduction selection, which is made by a user, or by a reproduction scenario recorded within the optical disc, the M-OBJ 1 and M-OBJ 2 that are respectively linked with Title #1 and Title #2 must first be executed. In order to do so, �Title_mobj_id_ref� information that executes the object being linked with the corresponding title must be recorded in the corresponding syntax.
On the other hand, when an optical disc having the above-described file structure is loaded in the optical recording and/or reproducing apparatus 10, and when an Java title (Title #3 or Title #4) is reproduced by a title reproduction selection, which is made by a user, or by a reproduction scenario recorded within the optical disc, the J-OBJ 1 and J-OBJ 2 that are respectively linked with Title #3 and Title #4 must first be executed. In order to do so, �Title_jobj_id_ref� information that executes the object being linked with the corresponding title must be recorded in the corresponding syntax. In the second embodiment according to the present invention, J-OBJ 1 and J-OBJ 2 are included in a single Java Object file (JavaObject.bdmv). More specifically, in case of the second embodiment of the present invention, a command that executes a specific Java program is recorded in the J-OBJ, and the Java program file (e.g., PPPPP.jar or QQQQQ.jar) designated by the J-OBJ is executed. Herein, the Java program file may be configured with a plurality of applications. And, a specific application may include a program that wishes reproduce (or playback) a specific PlayList file.
FIG. 5D illustrates a file structure recorded on the optical disc according to a third embodiment of the present invention. And, FIG. 5E illustrates a relationship for reproducing data using the file structure according to the third embodiment of the present invention. Referring to FIG. 5D, the basic configuration of the file structure is identical to the file structure shown in FIG. 2( a). Therefore, the structure of an object file managing the dynamic scenario will now be described in detail. More specifically, when compared with the file structure shown in FIG. 5B, in the file structure according to the third embodiment of the present invention, a plurality of Java object files for reproducing the Java titles is configured for each of the Java objects (i.e., J-OBJ). For example, a �JavaObject1.bdj� file and a �JavaObject2.bdj� file may be configured in the file structure.
FIG. 5E illustrates a relationship for reproducing a specific title in accordance with the file structure shown in FIG. 5D. Herein, it is assumed that Title #1 and Title #2 are HDMV titles and that Title #3 and Title #4 are Java titles. When an optical disc having the above-described structure is loaded in the optical recording and/or reproducing apparatus 10, and when an HDMV title (Title #1 or Title #2) is reproduced by a title reproduction selection, which is made by a user, or by a reproduction scenario recorded within the optical disc, the M-OBJ 1 and M-OBJ 2 that are respectively linked with Title #1 and Title #2 must first be executed. In order to do so, �Title_mobj_id_ref� information that executes the object being linked with the corresponding title must be recorded in the corresponding syntax.
On the other hand, when an optical disc having the above-described file structure is loaded in the optical recording and/or reproducing apparatus 10, and when an Java title (Title #3 or Title #4) is reproduced by a title reproduction selection, which is made by a user, or by a reproduction scenario recorded within the optical disc, the J-OBJ 1 and J-OBJ 2 that are respectively linked with Title #3 and Title #4 must first be executed. In order to do so, �Title_bdjo_id_ref� information that executes the Java object file being linked with the corresponding title must be recorded in the corresponding syntax. In the third embodiment according to the present invention, J-OBJ 1 and J-OBJ 2 are included in each Java Object file (JavaObject1.bdj and Javaobject2.bdj), respectively. More specifically, in case of the third embodiment of the present invention, a command that executes a specific Java program is recorded in the J-OBJ, and the Java program file (e.g., PPPPP.jar or QQQQQ.jar) designated by the J-OBJ is executed. Herein, the Java program file may be configured with a plurality of applications. And, a specific application may include a program that wishes reproduce (or playback) a specific PlayList file.
FIG. 6A illustrates a file structure recorded on the optical disc according to a fourth embodiment of the present invention. And, FIG. 6B illustrates a relationship for reproducing data using the file structure according to the fourth embodiment of the present invention. Referring to FIG. 6A, the basic configuration of the file structure is identical to the file structure shown in FIG. 2( a). Therefore, the structure of an object file managing the dynamic scenario will now be described in detail. More specifically, in the file structure according to the fourth embodiment of the present invention (shown in FIG. 6A), the Java objects for reproducing the Java titles (i.e., J-OBJ) and the Movie objects for reproducing the HDMV titles (i.e., M-OBJ) are collectively recorded in a single object file (e.g., �Object.bdj�). In other words, referring to FIG. 6A, one of the object files (e.g., �Object.bdj�) is configured under the BD directory as general files. The object file includes a �MovieObject( )� field and a �JavaObject( )� field. Herein, the �Movieobject( )� field includes Movie object (M-OBJ) information for reproducing the HDMV titles, and the �JavaObject( )� field includes Java object (J-OBJ) information for reproducing the Java titles.
FIG. 6B illustrates a relationship for reproducing a specific title in accordance with the file structure shown in FIG. 6A. Herein, it is assumed that Title #1 and Title #2 are HDMV titles and that Title #3 and Title #4 are Java titles. When an optical disc having the above-described structure is loaded in the optical recording and/or reproducing apparatus 10, and when an HDMV title (Title #1 or Title #2) is reproduced by a title reproduction selection, which is made by a user, or by a reproduction scenario recorded within the optical disc, the M-OBJ 1 and M-OBJ 2 that are respectively linked with Title #1 and Title #2 must first be executed. In order to do so, �Title_mobj_id_ref� information that executes the object being linked with the corresponding title must be recorded in the corresponding syntax. In the fourth embodiment of the present invention, the M-OBJ 1 and M-OBJ 2 are each defined in the �MovieObject( )� field within the �Object.bdj� file.
On the other hand, when an optical disc having the above-described file structure is loaded in the optical recording and/or reproducing apparatus 10, and when an Java title (Title #3 or Title #4) is reproduced by a title reproduction selection, which is made by a user, or by a reproduction scenario recorded within the optical disc, the J-OBJ 1 and J-OBJ 2 that are respectively linked with Title #3 and Title #4 must first be executed. In order to do so, �Title_jobj_id_ref� information that executes the object being linked with the corresponding title must be recorded in the corresponding syntax. In the fourth embodiment according to the present invention, J-OBJ 1 and J-OBJ 2 are each defined in the �JavaObject( )� field within the �Object.bdj� file. Furthermore, a command that executes a specific Java program (*.jar) is recorded in the J-OBJ, and the Java program file (e.g., PPPPP.jar or QQQQQ.jar) designated by the J-OBJ is executed. Herein, the Java program file may be configured with a plurality of applications.
FIG. 7A illustrates an example of two index files (�index.bdj� and �index.bdmv�) that are independently created under the BD directory. FIG. 7B illustrates a relationship for reproducing a specific title in accordance with the file structure shown in FIG. 7A. Although the above-described embodiments shown in FIG. 4C, FIG. 5C, FIG. 5E, and FIG. 6B may all be applied to FIG. 7B, the structure (or configuration) shown in FIG. 4C will be given as an example for simplicity of the description. It is assumed that Title #1 and Title #2 are HDMV titles and that Title #3 and Title #4 are Java titles. Accordingly, the index file (index.bdmv) for HDMV titles only includes title information of Title #1 and Title #2 and does not include any information on Title #3 and Title #4, which correspond to the Java titles. Alternatively, in case of other embodiments, information on Title #3 and Title #4 may be included in the index file (index.bdmv) created for HDMV titles only. However, instead of recording the �Title_jobj_id_ref( )� field, which designates the Java objects (J-OBJ), �Title_mobj_id_ref� that designates a specific Movie object (M-OBJ) is recorded within the corresponding Title #3 and Title #4 information. Thus, the Java titles can be prevented from being executed by Titles #3 and #4.
FIG. 8A illustrates a file structure recorded on the optical disc according to a sixth embodiment of the present invention. And, FIG. 8B illustrates a relationship for reproducing data using the file structure according to the sixth embodiment of the present invention. Unlike the embodiment shown in FIG. 7A, when configuring an index file (index.xxxxx), an �index_bdj( )� field including index information on all titles and an �index_bdmv( )� field including index information on the HDMV titles are independently configured on a single index file (which is referred to as an �index.bd� file). FIG. 8B illustrates a relationship for reproducing a specific title in accordance with the file structure shown in FIG. 8A. Although the above-described embodiments shown in FIG. 4C, FIG. 5C, FIG. 5E, and FIG. 6B may all be applied to FIG. 8B, the structure (or configuration) shown in FIG. 4C will be given as an example for simplicity of the description.
It is assumed that Title #1 and Title #2 are HDMV titles and that Title #3 and Title #4 are Java titles. Herein, a single index file (index.bd) includes an �index_bdj( )� field including information on all titles (Title #1 to Title #4), and an �index_bdmv( )� field including information on Title #1 and Title #2 (both HDMV titles). Therefore, when the optical recording and/or reproducing apparatus 10 that reproduces the above-described optical disc consists of a system supporting the reproduction of all types of titles, the apparatus refers to the �index_bdj( )� field within the index file (index.bd), so as to provide information on all of the titles to the user. Alternatively, when the optical recording and/or reproducing apparatus 10 consists of a system supporting the reproduction of HDMV titles only, the apparatus refers to the �index_bdmv( )� field within the index file (index.bd), so as to provide information on only the HDMV titles to the user. In case of other embodiments, information on Title #3 and Title #4 may be included in the index file (index.bdmv) created for HDMV titles only. However, instead of recording the �Title_jobj_id_ref( )� field, which designates the Java objects (J-OBJ), �Title_mobj_id_ref� that designates a specific Movie object (M-OBJ) is recorded within the corresponding Title #3 and Title #4 information. Thus, the Java titles can be prevented from being executed by Titles #3 and #4.
In all of the above-described embodiments (shown in FIG. 4A to FIG. 8B), the �First Play� field corresponds to information designating a first screen that is forcibly reproduced (or displayed) after the corresponding optical disc is loaded in the apparatus 10. The �Top Menu� field is information designating a screen (or title) that configures the main screen of the corresponding optical disc. Herein, the �First Play� field and the �Top Menu� field also include information designating any one of the M-OBJ and the J-OBJ as its specific object. However, it is preferable that the �First Play� field and the �Top Menu� field within the index.bdmv file of FIG. 7B or the index.bd file of FIG. 8B includes information designating only the Movie Object (M-OBJ). This is because the index files (index.bdmv and index.bd) have been created in consideration of the optical recording and/or reproducing apparatus 10 that reproduces only the HDMV titles.
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ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SEO, KANG SOO;YOO, JEA YONG;KIM, BYUNG JIN;REEL/FRAME:016986/0108Effective date: 20050831RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google