Patents by Inventor Masanari Yoshida

Masanari Yoshida 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: 20090287752
    Abstract: A recording/reproducing apparatus is capable of searching a file at high speed without an increase in number of times of rewriting the data on an external storage medium. The recording/reproducing apparatus includes: an input/output unit for receiving data from and sending data to an external storage medium and a storage unit for accumulating the data. The apparatus also includes a control unit for reading out a file system for controlling audio/video data. The audio/vide data has been recorded on the external storage medium from the external storage medium and then accumulating the file system in the storage unit through the input/output unit. The apparatus further includes a data base control unit for constructing a database on the basis of attribute information of the audio/video data contained in a file system accumulated in the storage unit and deleting data accumulated in the database at the time of removal of the external storage medium.
    Type: Application
    Filed: April 6, 2009
    Publication date: November 19, 2009
    Applicant: Sony Corporation
    Inventor: Masanari YOSHIDA
  • Patent number: 7463820
    Abstract: The present invention relates to a non-tracking VTR apparatus. The data reproducing apparatus is characterized in that, of tracks of the predetermined number serving as the editing unit, tracks of a part of the rear side are set to a pre-writing priority area and the remaining tracks are set to a post-writing priority area, with respect to each recording block reproduced from the pre-writing priority area and which is error-corrected by C1 error correction, it is determined whether or not the reproduced data of the recording block with the same ID as that of the recording block is written in the memory. The reproduced data of the recording block in which the reproduced data was not written is written in the memory and the reproduced data of the recording block in which the reproduced data was written is inhibited from being written in the memory.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: December 9, 2008
    Assignee: Sony Corporation
    Inventors: Kaoru Urata, Mamoru Mizukami, Masanari Yoshida
  • Publication number: 20050196133
    Abstract: The present invention relates to a non-tracking VTR apparatus. The data reproducing apparatus is characterized in that, of tracks of the predetermined number serving as the editing unit, tracks of a part of the rear side are set to a pre-writing priority area and the remaining tracks are set to a post-writing priority area, with respect to each recording block reproduced from the pre-writing priority area and which is error-corrected by C1 error correction, it is determined whether or not the reproduced data of the recording block with the same ID as that of the recording block is written in the memory. The reproduced data of the recording block in which the reproduced data was not written is written in the memory and the reproduced data of the recording block in which the reproduced data was written is inhibited from being written in the memory.
    Type: Application
    Filed: January 4, 2005
    Publication date: September 8, 2005
    Applicant: Sony Corporation
    Inventors: Kaoru Urata, Mamoru Mizukami, Masanari Yoshida