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Browse by Category: Main > Information Technology
Class Information
Number: 369/94
Name: Dynamic information storage or retrieval > Systems having plural physically distinct independent tracks on a single storage medium surface > Having layered storage medium
Description: Subject matter wherein the storage medium element has plural coextensive surfaces, a plurality of which have storage tracks thereon, and which tracks are each accessible for storage or retrieval from the same side of the storage element.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8693298 Recording apparatus and recording method Apr. 8, 2014
8675463 Optical disc driving device Mar. 18, 2014
8675464 Dual sided optical storage media and method for making same Mar. 18, 2014
8675467 Information storage medium, reproducing method, and recording method Mar. 18, 2014
8665685 Information storage medium, reproducing method, and recording method Mar. 4, 2014
8665687 Information storage medium, reproducing method, and recording method Mar. 4, 2014
8665689 Multi-layer optical disc and optical disc apparatus Mar. 4, 2014
8659984 Medical-data management device Feb. 25, 2014
8654253 Video apparatus capable of outputting OSD data through unauthorized output path to provide user with warning message or interactive help dialogue Feb. 18, 2014
8644126 Optical information recording medium and method for manufacturing same Feb. 4, 2014
8638650 Information storage medium, reproducing method, and recording method Jan. 28, 2014
8630156 Optical recording and reading method, optical recording and reading apparatus, optical recording medium, and method for producing an optical recording medium Jan. 14, 2014
8605554 Laser power management for super-RENS optical recording media Dec. 10, 2013
8605563 Optical disc device and control method of optical disc Dec. 10, 2013
8599661 Optical disk device, optical pickup, and optical recording medium Dec. 3, 2013
8599665 Information storage medium, record reproduction apparatus, and record reproduction method Dec. 3, 2013
8599675 Information storage medium, recording method, and recording apparatus Dec. 3, 2013
8593919 Recording medium, reproduction and recording method, reproduction and recording device Nov. 26, 2013
8588045 Information recording method and information recording apparatus Nov. 19, 2013
8582414 Information storage medium, recording method, and recording apparatus Nov. 12, 2013
8582415 Multilayer optical recording medium Nov. 12, 2013
8570845 Optical head and optical information device Oct. 29, 2013
8565054 Optical recording medium, optical recording medium manufacturing method, reproduction signal processing method and evaluation method Oct. 22, 2013
8565057 Multilayer optical recording medium Oct. 22, 2013
8553514 Optical recording medium, recording device, and recording method Oct. 8, 2013
8537653 Optical information recording medium and drive device Sep. 17, 2013
8531926 Optical system for optical pickup Sep. 10, 2013
8531925 Optical disc device and laser beam power controlling method for optical disc device Sep. 10, 2013
8526284 Multilayer optical recording medium with interfacial surfaces Sep. 3, 2013
8526286 Optical pick-up apparatus with diffractive optical element and optical recording/reproducing apparatus having the same Sep. 3, 2013
8526291 Optical information recording medium Sep. 3, 2013
8526292 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method Sep. 3, 2013
8520481 Optical recording medium, and series of optical recording media Aug. 27, 2013
8514684 Multilayer optical disc for easy positioning of a focused beam Aug. 20, 2013
8514680 Recording device and spot position control method Aug. 20, 2013
8509041 Recording apparatus and recording method Aug. 13, 2013
8509046 Optical information recording method, optical information recording device, optical information reproduction method, optical information reproduction device, and optical information recording Aug. 13, 2013
8503273 Optical disc device and recording method Aug. 6, 2013
8503276 Optical disk drive and method for determining type of a blu-ray disk Aug. 6, 2013
8498187 Optical disc apparatus and optical disc discriminating method Jul. 30, 2013
8488426 Disc device Jul. 16, 2013
8488425 Optical pickup device and optical disc apparatus Jul. 16, 2013
8488420 Information storage medium, apparatus for reproducing recordings, and method for reproducing recordings Jul. 16, 2013
8483030 Multilayer optical disc for easy positioning of a focused beam Jul. 9, 2013
8483031 Optical head device, optical information device and information processing device Jul. 9, 2013
8477578 Multi-speed recording for multi-layer disc Jul. 2, 2013
8477585 Optical pickup Jul. 2, 2013
8473973 Recordable optical record carrier Jun. 25, 2013
8466644 Motor driving circuit Jun. 18, 2013
8462596 Optical pickup device and optical disc device Jun. 11, 2013

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