41
Satoshi Murouchi, Toshio Nakayama: Wholly aromatic liquid crystal polyester composition and optical pickup lens holder using same. Nippon Oil Corporation, Weingarten Schurgin Gagnebin & Lebovici, September 7, 2010: US07790055 (2 worldwide citation)

A wholly aromatic liquid crystal polyester resin composition for injection molding, formed by melt-kneading 100 parts by mass of a wholly aromatic liquid crystal polyester resin, and 5 to 20 parts by mass of glass fibers having a number average diameter of 5 to 20 μm and an aspect ratio of 5 or more ...


42
Pilard Gael: Optical storage medium and respective apparatus for recording and/or reading data. Thomson Ohg Deutsche, June 18, 2008: EP1933312-A1 (2 worldwide citation)

The optical storage medium (1) comprises a read-only region with a substrate layer (2), an information layer (3), and a mask layer (4) with a phase change material for providing a super resolution near field effect, which layers are arranged as a stack of layers, and a re-writable region comprising ...


43
Ito Haruhiko, Sonoda Toshihide, Yamane Takuya: Brushless motor equipped with chucking device, disk drive unit equipped with brushless motor. Nippon Densan, January 10, 2008: JP2008-005584 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a brushless motor equipped with a chucking device which can stably rotate an optical disk having high record density such as an HD-DVD and a Blu-ray from a low-speed range to a high-speed range, and a disk drive unit which is mounted with the brushless motor and can ...


44
Kim Seong Dae, Park Yong Cheol: Method for managing defect area of bd-wo. LG Electronics, April 1, 2004: KR1020030001856 (2 worldwide citation)

PURPOSE: A method for managing a defect area of a BD-WO(Blu-ray Disc Write Once) is provided to efficiently record/manage data record on the defect area of the BD-WO to other data area or a spare area. CONSTITUTION: When a data recording operation is operated, it is judged that the defect area is ex ...


45
Takashima Yoshikazu: Information recording device and method, program storage medium, and program. Sony, March 28, 2007: EP1768125-A1 (2 worldwide citation)

The present invention relates to an information recording device and method, a program storage medium, and a program, wherein updated file system information can be recorded without changing a logical address. As shown to the upper side in Fig. 18, in the event that data has been recorded, upon a fi ...


46
Kim Jin Yong, Suh Sang Woon: High-density optical disc and method for restricting playback of the high-density optical disc in optical disc apparatus. LG Electronics, Kim Jin Yong, Suh Sang Woon, PARK Lae Bong, January 15, 2004: WO/2004/006231 (2 worldwide citation)

A high-density optical disc such as BD-ROM (Blu-ray Disc ROM) or BD-R (Blu-ray Disc Recordable) having a function for preventing unauthorized duplication of data written therein, and a method for restricting playback of illegally duplicated optical discs are disclosed. In accordance with the inventi ...


47
Charoensirisomboon Piyada, Link Christoph, Cuetos Ricardo, Kehr Günter, Niessner Norbert, Pepers Michel: (De) Harzzusammensetzung zur verwendung in bluray discs, (En) Resin composition for use in blu-ray discs. Basf Se, Charoensirisomboon Piyada, Link Christoph, Cuetos Ricardo, Kehr Günter, Niessner Norbert, Pepers Michel, ISENBRUCK Günter, September 4, 2008: WO/2008/104481 (2 worldwide citation)

(EN) The present invention relates to a resin composition comprising 60 to 95% by weight of a copolymer which contains, as repeating units, at least one a,b-unsaturated monocarboxylic nitrile and at least one aromatic vinyl monomer as component (A), 5 to 20% by weight of a graft rubber containing a ...


48
Yorimoto Kenji, Yamamoto Masaaki: Reproducing device, management information obtaining method. Sony, December 4, 2008: JP2008-293571 (2 worldwide citation)

PROBLEM TO BE SOLVED: To correctly recognize a disk even when recording of TDMA access indicator is failed at a recording side, for example, in a Blu-ray disk (R).SOLUTION: In the TDMA (TDMAn) indicated depending on a recording state of the TDMA access indicator, it is confirmed whether a free space ...


49
Sakamoto Tetsuhiro, Nakano Atsushi, Tauchi Hironori, Nakai Junichi: Optical information recording medium and its burst cutting area marking method. Sony, Kobe Steel, December 27, 2007: JP2007-335061 (2 worldwide citation)

PROBLEM TO BE SOLVED: To enhance recording characteristics and reliability of a BCA (Burst Cutting Area) part having excellent reproducing characteristics in an optical information recording medium corresponding to a blu-ray disk performing BCA signal recording by laser marking.SOLUTION: A reflectio ...


50
Yong Cheol Park: Data structure recorded in a recording medium data recording method and data recording apparatus. LG Electronics, Harness Dickey & Pierce, July 27, 2010: US07765233 (1 worldwide citation)

The present invention provides a data structure recorded in a recording medium, data recording method and data recording apparatus, in which data are recorded in a high-density recording medium such as a Blu-ray disc. In recording data per cluster within a recording medium, a data structure recorded ...



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