Featured patents

Optical Disc and Optical Disc Device
US 08804471 B2, Aug. 12, 2014, Of record carrier, Nobuo Takeshita et al. / Mitsubishi Electric Corporation (Tokyo, JP)
An optical data storage medium comprising:…

Optical Pickup Device and Optical Disc Apparatus for Recording and Reproducing Information on and From Optical Disc Including Plurality of Recording Layers
US 08737180 B2, May 27, 2014, Plural incident beams, Kazuyoshi Yamazaki et al. / Hitachi Media Electronics Co., Ltd. (Kanagawa, JP)
An optical pickup device that records or reproduces information by irradiating…

Magnetic Recording System and Magnetic Recording Device
US 08724434 B2, May 13, 2014, Storage or Retrieval by Simultaneous Application of Diverse Types of Electromagnetic Radiation, Koichi Shinohara et al. / TDK Corporation (Tokyo, JP)
A magnetic recording system, comprising following configurations:…

Audiovisual Distribution System for Playing an Audiovisual Piece Among a Plurality of Audiovisual Devices Connected to a Central Server Through a Network
US 08724436 B2, May 13, 2014, Plural storage medium elements, Tony Mastronardi et al. / Touchtunes Music Corporation (New York, US)
A jukebox system for playing a musical piece, comprising:…

Transfer Control Apparatus and Reproducing Apparatus
US 08693297 B2, April 8, 2014, For phase, timing, or rate processing, Atsushi Higashide / Funai Electric Co., Ltd. (Daito-shi, JP)
A transfer control apparatus for transferring data read from a storage medium…

Systems and Methods for Increasing Media Absorption Efficiency Using Interferometric Waveguides
US 08670294 B1, March 11, 2014, Light beam generation, Yunfei Li et al. / Western Digital (Fremont), LLC (Fremont, US
An interferometric waveguide assembly comprising:…

Optical Disk Device, Optical Pickup, and Optical Recording Medium
US 08599661 B2, Dec. 3, 2013, Plural incident beams, Kimihiro Saito et al. / Sony Corporation (Tokyo, JP)
An optical disk device comprising:…

Optical Retrieval System, Data Storage System, Data Storage Medium and Method of Optical Retrieval and Data Storage
US 08537649 B2, Sept. 17, 2013, Holographic, Richard Mark Stevenson et al. / Kabushiki Kaisha Toshiba (Tokyo, JP)
An optical data retrieval system configured to retrieve data from a data storage…

Optical Disc Device
US 08462600 B2, June 11, 2013, Derived focusing or tracking related signal, Futoshi Takeda / Funai Electric Co., Ltd. (Osaka, JP)
An optical disc device, comprising:…

Disc Inspecting Method and Disc Inspecting Device
US 08446804 B2, May 21, 2013, Control of transducer assembly mechanism, Toru Aida et al. / Sony Corporation (Tokyo, JP)
A disc inspecting method comprising:…

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