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US20080212447 OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING METHOD, AND OPTICAL INFORMATION RECORDING APPARATUS  
An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the...
US20060193231 Optical multilayer disk, multiwavelength light source, and optical system using them  
When a wavelength of a first laser beam with which a first recording medium including a first recording layer is recorded and reproduced is indicated as λ1 (nm), a wavelength of a second laser...
US20080316884 MULTI-LAYERED INFORMATION RECORDING MEDIUM, REPRODUCTION APPARATUS, RECORDING APPARATUS, REPRODUCTION METHOD, AND RECORDING METHOD  
A multi-layered information recording medium comprising a plurality of recording layers, a user data area for recording user data, provided in at least two of the plurality of recording layers,...
US20050213483 Recording disc and apparatus and method for reproducing recorded information  
A recording disc and recorded information reproducing apparatus and method for immediately starting reproduction of information when a push-pull based tracking control is employed to reproduce...
US20080285410 MULTI-LAYERED INFORMATION RECORDING MEDIUM, REPRODUCTION APPARATUS, RECORDING APPARATUS, REPRODUCTION METHOD, AND RECORDING METHOD  
A multi-layered information recording medium comprising a plurality of recording layers, a user data area for recording user data, provided in at least two of the plurality of recording layers,...
US20080291793 MULTI-LAYERED INFORMATION RECORDING MEDIUM, REPRODUCTION APPARATUS, RECORDING APPARATUS, REPRODUCTION METHOD, AND RECORDING METHOD  
A multi-layered information recording medium comprising a plurality of recording layers, a user data area for recording user data, provided in at least two of the plurality of recording layers,...
US20050163032 Multilayer record carrier with shifted recording start and stop positions  
The present invention relates to a multilayer record carrier, to a recording apparatus and to a method of recording on such a multilayer record carrier, and to a manufacturing method, wherein...
US20050058034 Information recording medium, method of recording information thereto, and information recording/reproducing apparatus  
The present invention provides an information recording medium and an information recording method that can stably record and reproduce information to or from an information recording medium...
US20090116361 Recording Method, Recording and Reproducing Method, Reproducing Method, Recording Device, Recording and Reproducing Device, and Reproducing Device for Optical Information Recording and Reproducing Medium, and the Optical Information Recording and Reproducing Medium  
Optical information recording and reproducing medium 10 has two recording layers of first and second recording layers 12 and 14, from a laser beam incident surface side. In each control area 21,...
US20090285063 DEFECT AREA MANAGEMENT  
A multi-layer optical writable disc (D) comprises at least two layers (L1, L2, . . . ) and at least two defect management areas (DF1, DF2, . . . ). A first defect management area (DF1) is...
US20080219113 MULTI-LAYERED INFORMATION RECORDING MEDIUM, RECORDING APPARATUS, AND RECORDING METHOD  
A multi-layered information recording medium including a plurality of recording layers, the multi-layered information recording medium comprising: a user data area for recording user data; and a...
US20080219125 MULTI-LAYERED INFORMATION RECORDING MEDIUM, RECORDING APPARATUS, AND RECORDING METHOD  
A multi-layered information recording medium including a plurality of recording layers, the multi-layered information recording medium comprising: a user data area for recording user data; and a...
US20080056095 Multi-layered disc and multi-layered disc reproducing apparatus  
A multi-layered disc (D1, D2, D3) is provided with a plurality of recording layers laminated with each other in a direction of a normal line of the recording layers, in each of which an...
US20110242956 MULTI-PURPOSE HIGH-DENSITY OPTICAL DISK  
An optical recording medium includes a first half-disc and a second half-disc. The first half-disc includes a substrate and an information layer (including a reflective layer) formed on a first...
US20090034387 OPTICAL STORAGE MEDIUM AND PLAYER  
An optical storage medium that allows the user to recognize a given disk as a hybrid one, no matter whether the disk is loaded into a single format player or a multi-format player, is provided....
US20080219126 MULTI-LAYERED INFORMATION RECORDING MEDIUM, RECORDING APPARATUS, AND RECORDING METHOD  
A multi-layered information recording medium including a plurality of recording layers, the multi-layered information recording medium comprising: a user data area for recording user data; and a...
US20050099929 Optical disk  
An optical disk to which a laser ray irradiated from an optical pickup device equipped in an optical disk recording and replaying apparatus is incident, comprises two signal layers including a...
US20050185570 Protective tape used for optical member, optical film with protective tape, and image viewing display with protective tape  
A protective tape used for optical member includes a plastic film base, an adhesive layer formed on one side of the plastic film base, and a treated layer formed on an opposite side of the plastic...
US20070183278 OPTICAL DISC DRIVE, METHOD OF MOVING BEAM SPOT AND COMPUTER-EXECUTABLE PROGRAM IMPLEMENTABLE BY THE OPTICAL DISC DRIVE  
An optical disc drive includes a light source, a lens, a focusing section, a spherical aberration corrector, a focus signal generator, a gain calculator and a processor. The focusing section forms...
US20090262623 OPTICAL MEDIA FORMAT  
Apparatuses, products, devices and methods, of manufacture consistent with the invention include optically readable media with at least one mechanism, chemical, agent, and/or process for limiting...
US20050213467 Optical recording medium, and recording/reading method and recording/reading apparatus for optical recording medium  
In an optical recording medium of a single-sided incident type having a plurality of recording layers, recording/reading conditions (for example, tracking polarity, recording pulse strategy,...
US20100177610 OPTICAL DISK DEVICE FOR MULTI-LAYER OPTICAL DISK AND MULTI-LAYER OPTICAL DISK  
An optical disk device for writing data into a disk including a plurality of recording layers, wherein the disk includes a recording layer in which a track for recording the data is formed in a...
US20060262696 Method and device for recording information on a multilayer information carrier  
The invention discloses a method and a device for recording information on a multi layer optical disc using a multi session format. The use of multi sessions allows for an efficient use of the...
US20050013235 Optical recording medium and production thereof  
An optical recording medium includes a first information substrate selected from one including a first substrate and a read-only first recording layer containing a reflective film and having...
US20050237914 Optical recording medium  
An optical recording medium comprising at least a land and a groove where information-recording/reproducing is carried out by a flying type optical head. The optical recording medium keep the...
US20070189147 Optical recording medium, evaluation method therefor, information reproduction method, and information recording method  
Multilayered optical recording media having three or more recording layers used to require spacing between recording layers to be accurately controlled to cope with the effect of crosstalk...
US20070133370 INFORMATION STORAGE MEDIUM, RECORDING METHOD, AND RECORDING APPARATUS  
A system lead-in area, data lead-in area, data area, and middle area are sequentially arranged from an inner circumference of layer 0. A system lead-out area, data lead-out area, data area, and...
US20060233095 Dual-layer phase-change information recording medium and recording method thereof  
The present invention provides a dual-layer phase-change information recording medium in which the erase ratio in each layer is superior, the dynamic range is improved, and a multi-level recording...
US20050185542 Optical disc recording apparatus, optical disc reproducing apparatus, and multi-layered optical disc  
Disclosed is an optical recording disc capable of limiting the redundancy of recorded information and reducing facility investments and manufacturing cost. The optical disc recording apparatus...
US20090016188 MULTI-LAYER INFORMATION RECORDING MEDIUM, INFORMATION RECORDING/REPRODUCING DEVICE AND MULTI-LAYER INFORMATION RECORDING MEDIUM MANUFACTURING METHOD  
By assuring lower compatibility with information recording media already on the market or of known formats, information is recorded/reproduced on/from a multi-layer information recording medium of...
US20050036768 Information recording medium  
It is to provide an information recording medium having a visual information recording layer which is a high sensitive visual information recording layer capable of recording at a relatively low...
US20050185548 Information access control for optical media  
A drive refuses to transfer information from a first surface on an optical medium unless required information is present on a second surface of the medium. Optionally, information on the first...
US20090323493 MULTILAYER OPTICAL RECORDING MEDIUM, RECORDING DEVICE, AND RECORDING LASER POWER ADJUSTMENT METHOD  
A multilayer optical recording medium includes three or more recording layers formed in a thickness direction. Trial writing areas provided in the respective recording layers to adjust the power...
US20080285396 Method and Apparatus of Formatting a Three Dimensional Optical Information Carrier  
A method of formatting at least one optical information carrier is provided. The method is aimed at creating a plurality of formatting marks that are to be sequentially addressed when reading...
US20080068968 Optical recording medium and method of producing the same  
An optical recording medium capable of suppressing film thickness irregularity of interlayer between a plurality of optical recording layers and effects of warps of a transfer substrate and...
US20080239919 DISC MEDIUM AND DISC DEVICE USING THE SAME  
A multi-layer disc medium includes two or more reproducing or recording and reproducing layers. One or more layers have a layer information area portion formed by at least a part of a circular...
US20100061210 OPTICAL DISC AND RECORDING/REPRODUCING METHOD AND APPARATUS FOR THE OPTICAL DISC  
An optical disc, and a recording/reproducing method and apparatus to record information on the optical disc. The optical disc includes an optical information storage layer, including a layer...
US20070025225 INFORMATION STORAGE MEDIUM, INFORMATION RECORDING/REPRODUCING APPARATUS AND INFORMATION RECORDING/REPRODUCING METHOD  
An information storage medium on which characters, images, etc., can be optically formed with high visual distinguishability. In the information storage medium for allowing multilayer recording...
US20090086602 OPTICAL INFORMATION REPRODUCING METHOD, OPTICAL INFORMATION REPRODUCING APPARATUS AND OPTICAL INFORMATION RECORDING MEDIUM  
Reproduction on an optical recording medium having plural information layers involves the problem of distortion occurring due to interlayer crosstalk and hence deterioration in the quality of a...
US20080265449 Optical Master Substrate with Mask Layer and Method to Manufacture High-Density Relief Structure  
The invention relates to a master substrate, a method for making a high-density relief structure, and optical discs replicated with the high-density relief structure, the master substrate...
US20070253306 Information Recording Medium, Method for Manufacturing Such Information Recording Medium, Processor for Such Information Recording Medium and Preparation Method for Using Such Information Recording Meduim, Information Recording Device  
An information recording medium such as an optical disk in which each individual recording portion includes laminated multiple recording layers, and usability information relating to usability of...
US20090016187 SECURE OPTICAL INFORMATION DISC HAVING A MINIMIZED METAL LAYER  
A secure optical data disc comprising an electronic article surveillance tag embedded within a layered disc structure comprising first and second substrates is disclosed. The tag is placed within...
US20070195684 High-density multi-layer recording medium and an apparatus for writing to or reading from such a recording medium  
In one embodiment, the recording medium includes a light incident surface and an opposite surface of the light incident surface, a substrate having a transparent layer, and a first recording layer...
US20100008202 OPTICAL INFORMATION RECORDING MEDIUM, RECORDING PARTICLE, METHOD FOR REPRODUCING OPTICAL INFORMATION, OPTICAL INFORMATION REPRODUCING APPARATUS, METHOD FOR RECORDING OPTICAL INFORMATION, AND OPTICAL INFORMATION RECORDING APPARATUS  
An optical information recording apparatus includes a recording layer, wherein nanoparticles having diameters of 100 nm or less are disposed while being surrounded by a medium having a complex...
US20080267034 (Re) Writable Disk with Electrophoetic Ink Label  
A storage medium for storing digital information is disclosed. The storage medium comprises a label comprising a light addressable electrophoretic ink layer. Further, a method for labeling a...
US20080151730 Optical recording and reading method, optical recording and reading apparatus, and optical recording medium  
An optical recording and reading method capable of enhancing the design flexibility of recording layers of an optical recording medium and performing accurate optical recording and reading...
US20070189138 Information recording device and method, and computer program  
An information recording device (1) includes: recording elements (501) for recording information on an information recording medium by recording layer light having adjustable recording power;...
US20110317535 Multilayered Optical Disk And Its Recording Method  
A multilayered optical disk an information recording method and information reproducing method utilizing the disk includes three or more recordable or rewritable information recording layers,...
US20080056094 Information reproducing/recording device  
The present invention aims to provide an information reproducing/recording device capable of enhancing the reliability of a focus jump. In the information reproducing/recording device in which the...
US20090067310 STORAGE MEDIUM, PREFERABLY FOR A CARRIER, AND READING DEVICE AND METHOD FOR READING THE STORAGE MEDIUM  
The invention relates to a storage medium, preferably a carrier. The aim of the invention is to make manipulation of data information of the storage medium or of non-authorized copies of the...

Matches 1 - 50 out of 144 1 2 3 >