Featured patents

Optical Read/Write Apparatus
US 08848500 B2, Sept. 30, 2014, Of storage or retrieval information signal, Ryoji Hirose et al. / Panasonic Corporation (Osaka, JP)
An optical read/write apparatus with first and second optical heads,…

Magnetic Field Generator
US 08780677 B2, July 15, 2014, Magnetic field transducer assembly, William James Stewart et al. / University of Southampton (Southampton, GB)
A device for generating a magnetic field, comprising:…

Optical Recording Medium, Recording/Reproducing Apparatus, Recording/Reproducing Method
US 08737181 B2, May 27, 2014, Including static memory accessing, Koji Sekiguchi et al. / Sony Corporation (Tokyo, JP)
An optical recording medium, comprising:…

Method and Apparatus for Coupling a Laser Diode to a Magnetic Writer
US 08611193 B2, Dec. 17, 2013, Setting light beam power level, Yongjun Zhao et al. / Seagate Technology LLC (Cupertino, US)
A write head comprising:…

Near Field Light Generator, Optical Recording Head and Optical Recording Apparatus
US 08599655 B2, Dec. 3, 2013, Near field optic, Hiroshi Hatano et al. / Konica Minolta Opto, Inc. (Tokyo, JP)
A near field light generator comprising:…

Compact Tangential Tracking Tonearm Mechanism
US 08576687 B1, Nov. 5, 2013, Having pivoted tone arm, Frank Schröder
A tonearm system for the replay of LP's comprising a tonearm bearing assembly…

Thermally-Assisted Magnetic Recording Head Having Photoelectric Wiring Lines Integrally Formed on Waveguide
US 08542559 B2, Sept. 24, 2013, Near field optic, Manabu Oumi et al. / Seiko Instruments Inc. JP
An information recording and reproduction apparatus comprising:…

Optical Devices Based on Internal Conical Diffraction
US 08514685 B2, Aug. 20, 2013, Having particular optical element or particular placement thereof in radiation beam path to or from storage medium, Gabriel Y. Sirat / BioAxial SAS (Paris, FR)
A method comprising:…

Manufacturing Method for Optical Disc, Optical Disc, Playback Method for Optical Disc, Playback Apparatus for Optical Disc, Recording Apparatus for Optical Disc
US 08498185 B2, July 30, 2013, By program or address signal, Shoei Kobayashi / Sony Corporation (Tokyo, JP)
A playback apparatus for a later generation optical disc, comprising:…

Magnetic and Optical Rotating Storage Systems With Audio Monitoring
US 08467279 B2, June 18, 2013, Having abnormality condition indicating, Sehat Sutardja / Marvell World Trade Ltd. (St. Michael, BB)
An integrated circuit for controlling a data storage device, the integrated…

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