Patents by Inventor Yasufumi Tsumagari

Yasufumi Tsumagari has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20070070537
    Abstract: According to one embodiment, there is provided a data processing method. The method includes reading management information indicative of a playback and display procedure, acquiring a content from a certain storage position at a timing determined based on the management information, and performing playback and display of the content at a timing determined based on the management information.
    Type: Application
    Filed: November 22, 2006
    Publication date: March 29, 2007
    Inventors: Hideo Ando, Haruhiko Toyama, Takero Kobayashi, Yasufumi Tsumagari
  • Patent number: 7194193
    Abstract: An information medium provided to record multi-standard data managed in units of files by file management information. In the medium, integrated management information that integrates and manages mixed reproduction of the multi-standard data can be recorded.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: March 20, 2007
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kazuhiko Taira, Hideki Mimura, Yasufumi Tsumagari
  • Publication number: 20070058937
    Abstract: An information storage medium of this invention comprises a first representation object, and a first time map wherein playback management information which controls simultaneous reproduction of the first representation object and a second representation object in at least a specific period includes first reference information to refer to the first time map, the first time map includes second reference information to refer to second management information including first management information about the first representation object, the first management information includes third reference information to refer to the first representation object, the playback management information includes fourth reference information to refer to a second time map, and the second time map has a data structure including fifth reference information to refer to the second representation object.
    Type: Application
    Filed: September 11, 2006
    Publication date: March 15, 2007
    Inventors: Hideo Ando, Yasufumi Tsumagari, Haruhiko Toyama, Takero Kobayashi
  • Publication number: 20070053654
    Abstract: An embodiment may allow not only information management of contents which are to be recorded and played back by the user but also information management which has affinity for contents distributed by contents providers. An information storage medium may have a file structure that manages first high-definition video information which can be recorded by the user and second high-definition video information which can be provided by a contents provider. The management area is configured to include management information used to manage playback of the digital stream signal including the second high-definition video information.
    Type: Application
    Filed: September 7, 2006
    Publication date: March 8, 2007
    Inventors: Shinichi Kikuchi, Masahiro Nakashika, Yasufumi Tsumagari
  • Patent number: 7187849
    Abstract: This invention allows the user to insert an entry point (bookmark) at an arbitrary recording position of video data, audio data, and the like as if he or she placed a bookmark between pages of a book. Information RTR_VMG that manages recorded objects includes movie cell entry point information M_C_EPI. M_C_EPI includes entry point playback time information EP_PTM and text information PRM_TXTI that pertains to an entry point. PRM_TXTI can store text information that pertains to its contents together with type information and date information of an entry point.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: March 6, 2007
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20070047901
    Abstract: According to one embodiment, there is provided a data processing method. The method includes reading management information indicative of a playback and display procedure, acquiring a content from a certain storage position at a timing determined based on the management information, and performing playback and display of the content at a timing determined based on the management information.
    Type: Application
    Filed: August 28, 2006
    Publication date: March 1, 2007
    Inventors: Hideo Ando, Haruhiko Toyama, Takero Kobayashi, Yasufumi Tsumagari
  • Publication number: 20070031122
    Abstract: In content recorded in a playback only information storage medium, a video object for playing back a video in a method different from the conventional playback sequence and its playback order are controlled. To achieve the control, the data area stores a primary object set which is a group of at least one primary object for managing a relationship between a playback time and a recording position in accordance with at least one time map, and includes a main picture stream, and a secondary object in which a relationship between the playback time and the recording position is managed in accordance with an individual time map, and includes another picture stream to be played back simultaneously with the main picture stream.
    Type: Application
    Filed: September 27, 2006
    Publication date: February 8, 2007
    Inventors: Yoichiro Yamagata, Hideki Mimura, Yasufumi Tsumagari, Takero Kobayashi, Seiichi Nakamura, Kazuhiko Taira
  • Publication number: 20070031121
    Abstract: According to one embodiment, an information playback apparatus includes an advanced content playback unit configured to play back an advanced content, and the advanced content playback unit includes a navigation manager unit configured to manage playback of video information and audio information which form the advanced content, and an AV renderer unit configured to combine the video information and the audio information.
    Type: Application
    Filed: August 7, 2006
    Publication date: February 8, 2007
    Inventors: Hideo Ando, Yasufumi Tsumagari, Takero Kobayashi
  • Publication number: 20070025698
    Abstract: According to one embodiment, there is provided an information playback apparatus capable of playing back video data as a stream and playing back an application relating to the video data during playback of the video data. The apparatus includes a buffer portion configured to operate to, after completion of fetching of first video data and before entirely outputting the first video data, start and complete fetching of an application relating to second video data which is to be played back after the first video data.
    Type: Application
    Filed: July 28, 2006
    Publication date: February 1, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Seiichi Nakamura, Hideki Mimura, Takero Kobayashi, Yasufumi Tsumagari, Yoichiro Yamagata, Kazuhiko Taira
  • Patent number: 7167634
    Abstract: This invention allows the user to insert an entry point (bookmark) at an arbitrary recording position of video data, audio data, and the like as if he or she placed a bookmark between pages of a book. Information RTR_VMG that manages recorded objects includes movie cell entry point information M_C_EPI. M_C_EPI includes entry point playback time information EP_PTM and text information PRM_TXTI that pertains to an entry point. PRM_TXTI can store text information that pertains to its contents together with type information and date information of an entry point.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: January 23, 2007
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20060291813
    Abstract: According to one embodiment, there is provided an information playback method, comprising reading out management information used to manage one or more video titles from an information storage medium, the medium storing an advanced content including the management information in which a title timeline indicating playback timings of objects of each video title being individually defined, and playing back objects of each video title in accordance with the title timeline defined in the readout management information.
    Type: Application
    Filed: June 22, 2006
    Publication date: December 28, 2006
    Inventors: Hideo Ando, Yasufumi Tsumagari, Takero Kobayashi, Haruhiko Toyama
  • Patent number: 7155111
    Abstract: This invention allows the user to insert an entry point (bookmark) at an arbitrary recording position of video data, audio data, and the like as if he or she placed a bookmark between pages of a book. Information RTR_VMG that manages recorded objects includes movie cell entry point information M_C_EPI. M_C_EPI includes entry point playback time information EP_PTM and text information PRM_TXTI that pertains to an entry point. PRM_TXTI can store text information that pertains to its contents together with type information and date information of an entry point.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: December 26, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Patent number: 7151889
    Abstract: This invention allows the user to insert an entry point (bookmark) at an arbitrary recording position of video data, audio data, and the like as if he or she placed a bookmark between pages of a book. Information RTR_VMG that manages recorded objects includes movie cell entry point information M_C_EPI. M_C_EPI includes entry point playback time information EP_PTM and text information PRM_TXTI that pertains to an entry point. PRM_TXTI can store text information that pertains to its contents together with type information and date information of an entry point.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: December 19, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20060257104
    Abstract: According to one embodiment, the contents of a DVD video disc can be reproduced by use of reproduction control information realized by a Markup language. It is possible to hold a resource whose life period has elapsed in a cache memory and use the resource again. Therefore, a data access manager, a file cache which temporarily stores a plurality of resources and a navigation manager (including a filecache manager) which processes management information used to manage a plurality of files held in the file cache and controls the data access manager are provided. The filecache manager registers a loaded resource into a first list if the resource lies within the life period and registers the resource into a second list and manages the same if the life period of the resource has expired.
    Type: Application
    Filed: March 14, 2006
    Publication date: November 16, 2006
    Inventors: Yoichiro Yamagata, Kazuhiko Taira, Hideki Mimura, Yasuhiro Ishibashi, Takero Kobayashi, Seiichi Nakamura, Eita Shuto, Yasufumi Tsumagari, Toshimitsu Kaneko, Tooru Kamibayashi, Haruhiko Toyama, Shunichi Kawabata
  • Publication number: 20060257106
    Abstract: Systems and methods for selecting information associated with a removable storage medium are disclosed. A multimedia presentation, such as a movie, is stored on the removable storage medium. A provider key is used to identify a particular content provider, such as a film studio, with the removable storage medium. Other media content associated with the same content provider is activated at least partially in response to a determination that the removable storage medium of the content provider has been inserted into an information storage medium, such as a computer or a DVD player.
    Type: Application
    Filed: April 12, 2006
    Publication date: November 16, 2006
    Inventors: Yoichiro Yamagata, Toshinari Takahashi, Tooru Kamibayashi, Toshimitsu Kaneko, Haruhiko Toyama, Hideki Mimura, Yasufumi Tsumagari, Yasuhiro Ishibashi, Takero Kobayashi, Seiichi Nakamura, Eita Shuto, Kazuhiko Taira, Hideaki Sato, Shunichi Kawabata
  • Publication number: 20060250904
    Abstract: An information recording medium on which stream information including images or sound and management information of the stream information are digitally recorded includes a first recording region in which first management information of the management information for use in common in management of each stream information divided every predetermined data amount can be recorded, and a second recording region in which a reference unit of information obtained by adding second management information of the management information for use in management of divided individual stream information to the divided stream information can be recorded.
    Type: Application
    Filed: June 19, 2006
    Publication date: November 9, 2006
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasufumi Tsumagari, Hideki Mimura, Shinichi Kikuchi, Kazuhiko Taira, Hideki Takahashi, Tadashi Kobayashi
  • Publication number: 20060242263
    Abstract: A content reproduction apparatus including reproduction unit configured to reproduce content data item stored in recording medium storing first server identifier and content data item including destination identifier, reads first server identifier from recording medium, to store first server identifier in table, certifies first server corresponding to first sever identifier, receives first server policy from first server being certified, first server policy including second server identifier redirecting to second server, to store second server identifier in table, certifies second server, acquires destination identifier while reproduction unit reproduces content data item, determines whether destination identifier being acquired is equal to first identifier stored in table, and accesses to second server, when at least destination identifier is equal to first identifier and second server is certified.
    Type: Application
    Filed: June 20, 2006
    Publication date: October 26, 2006
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hideaki Sato, Toshinari Takahashi, Tooru Kamibayashi, Toshimitsu Kaneko, Haruhiko Toyama, Hideki Mimura, Yasufumi Tsumagari, Yasuhiro Ishibashi, Takero Kobayashi, Seiichi Nakamura, Eita Shuto, Kazuhiko Taira, Yoichiro Yamagata
  • Patent number: 7126887
    Abstract: An information storage medium according to an embodiment of this invention includes a management area for recording management information, and a data area for recording content data. The content data recorded in the data area contains a plurality of object data, each object data contains a plurality of data units, each data unit contains a plurality of packs, each pack contains at least one packet, the packet contains at least one transport stream packet, the management information recorded in the management area contains program chain information which manages the playback order of data contained in the object data, the program chain information contains cell information, and the cell information contains information that specifies an object to be played back.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: October 24, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi, Kazuhiko Taira
  • Publication number: 20060233083
    Abstract: An information recording medium on which stream information including images or sound and management information of the stream information are digitally recorded includes a first recording region in which first management information of the management information for use in common in management of each stream information divided every predetermined data amount can be recorded, and a second recording region in which a reference unit of information obtained by adding second management information of the management information for use in management of divided individual stream information to the divided stream information can be recorded.
    Type: Application
    Filed: June 19, 2006
    Publication date: October 19, 2006
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasufumi Tsumagari, Hideki Mimura, Shinichi Kikuchi, Kazuhiko Taira, Hideki Takahashi, Tadashi Kobayashi
  • Patent number: 7116897
    Abstract: An information recording apparatus of this invention includes a MAIN MPU for generating manager information representing the correspondence between a compressed content and a program for expanding the content, and a disc drive section for recording the content, program, and manager information on an information recording medium.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: October 3, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Hideo Ando, Hisashi Yamada, Hideki Mimura, Kazuhiko Taira