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: 20030206723
    Abstract: Audio information is recorded in units of tracks on an information storage medium on which audio information and management information that pertains to the audio information are recorded, and information indicating the playback sequence of the audio information is recorded in the management information. Furthermore, information indicating break positions of tracks with respect to the audio information is recorded in the information indicating the playback sequence.
    Type: Application
    Filed: July 25, 2001
    Publication date: November 6, 2003
    Inventors: Hideo Ando, Hideki Mimura, Yasufumi Tsumagari, Kazuhiko Taira
  • Patent number: 6628892
    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: February 19, 2002
    Date of Patent: September 30, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20030161613
    Abstract: There is disclosed an information recording/reproducing apparatus includes an extraction unit which receives a source signal including image signal standard information, and extracts/outputs the image signal standard information, a recording unit which generates contents information having a pack form from the source signal, generates control information in accordance with the extracted image signal standard information, and records the information in a storage region of the recording medium, and a reproduction unit which reads out the control information and contents information recorded in the storage region by the recording unit, demodulates the contents information, and reproduces the contents information based on the control information.
    Type: Application
    Filed: January 17, 2003
    Publication date: August 28, 2003
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shinichi Kikuchi, Kazuhiko Taira, Yasufumi Tsumagari
  • Publication number: 20030161615
    Abstract: A new navigation function is added to a legacy DVD-Video. A player unit plays back recorded contents, that include video contents or AV contents and ENAV contents associated with contents (menu, chapter) of the video contents, from a DVD-Video disc. The video contents of the DVD disc are played back by a video playback engine. The ENAV contents of the DVD disc are played back by an ENAV engine. The ENAV engine controls playback of the ENAV contents and that of the video contents in combination, connection, and/or synchronism with each other according to the played-back contents of the ENAV contents.
    Type: Application
    Filed: February 26, 2003
    Publication date: August 28, 2003
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasufumi Tsumagari, Hideki Mimura, Hideki Takahashi
  • Publication number: 20030142962
    Abstract: An information storage medium according to an embodiment of this invention has a management area for recording management information, and a data area for recording program contents data. The program contents 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 packets, and the management information recorded in the management area contains program stream information of the program contents data.
    Type: Application
    Filed: January 30, 2003
    Publication date: July 31, 2003
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi, Kazuhiko Taira
  • Publication number: 20030142609
    Abstract: There is disclosed an information recording medium on which stream information including images or sound and management information of the stream information are digitally recorded, the medium comprising 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: January 28, 2003
    Publication date: July 31, 2003
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasufumi Tsumagari, Hideki Mimura, Shinichi Kikuchi, Kazuhiko Taira, Hideki Takahashi, Tadashi Kobayashi
  • Publication number: 20030142594
    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: Application
    Filed: January 30, 2003
    Publication date: July 31, 2003
    Applicant: KABUSHIKI KAISHA TOBISHA
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi, Kazuhiko Taira
  • Patent number: 6584277
    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: February 19, 2002
    Date of Patent: June 24, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Patent number: 6574421
    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: February 19, 2002
    Date of Patent: June 3, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Patent number: 6564008
    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: February 19, 2002
    Date of Patent: May 13, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20030081778
    Abstract: There is disclosed a method comprising inputting predetermined information including a plurality of data packet, using a plurality of pieces of key information which differs with each data packet to encrypt the inputted predetermined information, and recording the encrypted predetermined information into a recording area of an information recording medium. There is also disclosed a method comprising reading the predetermined information stored in the recording area of the information recording medium, and using the plurality of pieces of key information which differs with each data packet to decrypt the read predetermined information.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 1, 2003
    Inventors: Yasufumi Tsumagari, Hideki Mimura, Taku Kato
  • Patent number: 6556773
    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: February 19, 2002
    Date of Patent: April 29, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Patent number: 6556774
    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: February 19, 2002
    Date of Patent: April 29, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20020181938
    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: Application
    Filed: February 19, 2002
    Publication date: December 5, 2002
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Patent number: 6480669
    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: May 4, 2000
    Date of Patent: November 12, 2002
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20020136534
    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: Application
    Filed: February 19, 2002
    Publication date: September 26, 2002
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20020081099
    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: Application
    Filed: February 19, 2002
    Publication date: June 27, 2002
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20020081100
    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: Application
    Filed: February 19, 2002
    Publication date: June 27, 2002
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20020081103
    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: Application
    Filed: February 19, 2002
    Publication date: June 27, 2002
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi
  • Publication number: 20020076201
    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: Application
    Filed: February 19, 2002
    Publication date: June 20, 2002
    Inventors: Yasufumi Tsumagari, Shinichi Kikuchi