Featured patents

Holographic Memory Apparatus and Method for Adjusting Incident Angle of Reference Beam
US 08787136 B2, July 22, 2014, Holographic, Kenichi Shimada / Hitachi-LG Data Storage, Inc. (Tokyo, JP)
A holographic memory apparatus which causes interference between a reference beam…

Recording Device and Stray Light Signal Component Cancellation Method
US 08730776 B2, May 20, 2014, For removal of unwanted signal component, Satoru Higashino et al. / Sony Corporation (Tokyo, JP)
A recording device, comprising:…

Playlist Sharing Methods and Apparatus
US 08737177 B2, May 27, 2014, Selective addressing of storage medium, Toru Sasaki et al. / Sony Corporation (Tokyo, JP)
A server for sharing a playlist, the server comprising:…

Thermally-Assisted Recording (TAR) Head With Reflection Layer for Near-Field Transducer
US 08619515 B1, Dec. 31, 2013, Near field optic, Takuya Matsumoto et al. / HGST Netherlands B.V. (Amsterdam, NL)
A thermally-assisted recording (TAR) head for writing to a magnetic recording…

Method for Measurement of Magnetic Field Gradient of Recording Magnetic Field Generated by Magnetic Head
US 08619510 B1, Dec. 31, 2013, Magnetic field transducer assembly, Ken-ichi Takano et al. / TDK Corporation (Tokyo, JP)
A measurement method of a magnetic field gradient of a recording magnetic field…

High Density Data Storage Medium, Method and Device
US 08599673 B2, Dec. 3, 2013, Heating, Richard Anthony DiPietro et al. / International Business Machines Corporation (Armonk, US)
A method, for use with a layer of polyaryletherketone resin on a substrate, said…

Energy-Assisted Magnetic Recording Head Having Multiple Cores of Different Lengths
US 08588039 B1, Nov. 19, 2013, Near field optic, Kuochou Tai et al. / Western Digital (Fremont), LLC (Fremont, US
A waveguide for use in an energy assisted magnetic recording (EAMR) transducer…

Method and Device for Sensitivity Compensation
US 08514676 B2, Aug. 20, 2013, Servo signal compared to a reference signal, Cees Hezemans / Koninklijke Philips N.V. (Eindhoven, NL)
A method for generating a control voltage for a position actuator of a disk…

Enhanced Security of Optical Article
US 08488428 B2, July 16, 2013, For protection, James Mitchell White et al. / NBCUniversal Media, LLC (Wilmington, US)
An optical article for playback in a player comprising:…

Thermally-Assisted Magnetic Recording Head Including a Plasmon Generator and a Magnetic Pole
US 08503270 B1, Aug. 6, 2013, Near field optic, Kei Hirata et al. / TDK Corporation (Tokyo, JP)
A thermally-assisted magnetic recording head comprising:…

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