Matches 1 - 50 out of 179 1 2 3 4 >


Match Document Document Title
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....
US20090274029 OPTICAL PICKUP AND INFORMATION DEVICE  
An optical pickup (100) includes: (i) a light source (101) for emitting a laser beam; (ii) an optical system (105, etc.) for introducing the laser beam into one of recording layers; (iii) an...
US20080279078 Split Disc Optical Storage Medium and Device  
Optical data storage medium comprising a first disc (11) and a second disc (12) both having an access surface (16) and a storage layer covered by the access surface, wherein the storage layer is...
US20090034388 Multi-Format Optical Storage Medium, Optical Pickup, and Optical Read/Write Device  
There is provided a storage layer (13) between storage layers (11), (15). The storage layer (13) produces a relatively large spherical aberration for a protection layer thickness error....
US20080285414 2D Storage with Guard Band Storing Non-Content Information  
The invention applies to a 2D storage medium carrying meta-tracks of N (N>1) bit-rows, two adjacent meta-tracks being separated by a guard band of at least one bit-row referred to as guard band...
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...
US20090245064 COMBINATION OPTICAL MEDIA, DEVICE AND METHOD FOR ACCESSING THEREOF  
A combination optical disc (1) is disclosed, which contains at least two information layers (10, 11) of at least two different storage formats selected from for example CD, DVD, BD. Information is...
US20080213625 Optical Data Storage and Retrieval Based on Fluorescent and Photochromic Components  
An optical storage medium 100 has a multilayer structure that includes a photochromic layer 110 having a thermally-stable photochromic compound, and a fluorescent layer 120 having a fluorescent...
US20080062244 Laser writing  
Various methods and embodiments for laser writing are disclosed.
US20080205235 Optical-pickup-adjustment optical disk, method of adjusting optical pickup device, and method of producing optical pickup device  
An optical-pickup-adjustment optical disk used for adjusting or producing an optical pickup device, includes a transparent protective substrate; and an optical-pickup-adjustment middle-depth...
US20050111327 Optical medium recognition system and method  
An optical medium associated with a first type of optical drive laser, such as a blue laser, embeds identification information readable by a second type of optical drive laser, such as a red laser...
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...
US20080170483 SUPER RESOLUTION OPTICAL RECORDING MEDIUM  
A super resolution optical recording medium for preventing degradation of a reproducing signal, includes a substrate, a super resolution layer formed on the substrate, and having a super...
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...
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...
US20050219986 Optical pickup adjusting optical disc, optical pickup adjusting device, and method  
The present invention concerns an optical disc for adjusting an optical pickup used for adjusting a pair of optical pickups capable of recording and reproducing a double-sided type optical disc....
US20080232220 OPTICAL DISK AND OPTICAL DISK REPRODUCING DEVICE  
To provide an optical disk and an optical disk reproducing device capable of preventing sub information from being illegally copied and altered. An optical disk includes an optical disk substrate...
US20080310278 De-Icing of Multi-Layer Storage Media  
A device for recording information on a record carrier (11) is arranged for formatting a multilayer record carrier. The device has formatting means (16) for formatting the record carrier according...
US20080094990 COMBINED FLUORESCENT-REFLECTIVE MEDIA AND MEDIA READING DEVICE  
The invention relates to optical media of ROM, WORM, or RW type that combine the ability to write and read data from one layer using fluorescent and reflective methods. Data is recorded as pits of...
US20050105427 Optical disc writer for making double-sided optical discs  
A double-sided double-layer optical disc for storing digital programs, such as a DVD-18 disc, is formed with data tracks on each layer. The tracks on one side are oriented along one spiral while...
US20080259759 Optical Disc Having Combined Rom/R Area  
A record carrier has information represented by high density read-only marks in a track. The read-only marks (74,75) are optically readable according to a predefined high-density data format such...
US20080273441 Optical Data Storage Medium and Combi-Foil Cover for the Production Thereof  
An optical data storage medium is described comprising at least: —a synthetic resinous substrate, having a first side and a second opposite side, —a first layer stack comprising: a data storage...
US20050185560 Multilayer optical disc  
A multilayer optical disc including a first recording layer, corresponding to a BD disc and provided with a permeable layer having a thickness of 0.1 mm, formed on one surface of the disc and a...
US20080212444 Multi Layer Record Carrier Comprising Compatibility Information and Method for Recording Such Compatibility Information on a Record Carrier.  
Multi layer record carrier comprising compatibility information, and method for recording such compatibility information on a record carrier.
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...
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...
US20070133372 Optical pickup unit and information recording and reproducing apparatus  
An optical pickup unit includes a light source emitting a light beam, an objective lens focusing the light beam onto an information recording medium, a light detection part receiving the light...
US20080316891 Optical Scanning Device  
An optical scanning device (3) for scanning a multiple of types of optical recording media. The optical scanning device is provided with a filtering means (301) that is arranged and configured...
US20090086601 Methods and apparatus for merging pre-rendered and dynamic optical-storage label indicia  
An optical storage disc label recorder includes a first memory portion adapted for storing a first set of track-marking data, the first set of track-marking data defining one or more pre-defined...
US20090231976 METHOD AND DEVICE FOR EXTENDING INTERACTIVITY TO MULTIPLE STORAGE MEDIA  
A method of providing interactivity over a set of multiple optical storage media (90, 91) is disclosed. A logical unit, such as a playitem of a playlist is provided on a storage medium (90) of the...
US20080285418 Optimized media structure for bit-wise multi-layer optical data  
An optical medium including a plurality of data layers stacked relative to each other in a dielectric medium. A respective data layer including mark and land regions for having information...
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...
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...
US20050105435 Player with a read-head yoke for double-sided optical discs  
A player for an optical disc, such as a DVD-18 disc, is provided with a laser read head, a yoke for selectively switching the head from one side of the optical disc to the other, and a motor that...
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...
US20090141608 OPTICAL RECORDING MEDIUM WITH BRAILLE CHARACTERS AND METHOD OF MANUFACTURING THE SAME  
The invention discloses an optical recording medium comprising a first substrate, a second substrate, a median layer and an adhesive layer. A plurality of Braille characters is formed on the...
US20050073935 Method for reproducing information from optical recording medium, information reproducer, and optical record medium  
It is an object of the present invention to provide an information reproducing method for reproducing information from a data rewritable type optical recording medium having a plurality of...
US20110038244 WRITING METHOD FOR MULTILAYER OPTICAL DISC  
A writing method for a multilayer optical disc. The method includes: measuring and recording optimum internal gains obtained when the objective lens is located on each inner side of the pick-up...
US20090245065 OPTICAL DISC DEVICE AND FOCUS CONTROL METHOD  
A focus control section first performs a reference focus control process in which a reference optical beam is focused on a reference layer of an optical disc according to the result of receiving a...
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...
US20050163024 Optical disc and its manufacturing method  
An optical disc includes a substrate provided with information recorded portions formed therein, and a plurality of layers further disposed on the substrate, wherein at least one of the plurality...
US20080279080 Optical storage medium and method of producing optical storage medium  
An optical storage medium has a substrate and a cover layer that allows light to pass therethrough in recording or reproduction. Provided between the substrate and the cover layer are at least a...
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...
US20070147213 Optical information carrier containing bragg reflectors  
The invention refers to an optical information carrier (1) for carrying information to be read out by means of an optical beam (9) having at least one information layer (6). It is an object of the...
US20060203702 Multilayer optical disc having pregroove modulation  
A record carrier is for recording information by writing marks in a track. The record carrier has at least a first recording layer (40) and a second recording layer (41). Each layer has a...
US20050122879 Optical disk apparatus and optical disk  
An optical system has an objective lens condensing a light beam from the light source on a recording layer selected from the plurality of recording layers of the optical disk, and leading a...
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...
US20050111334 Method and apparatus for reading data from an optical disc in a reverse direction  
A double-sided optical disc, is formed with data tracks. The tracks on one side follow one spiral while the tracks on the other side follow a second spiral, the two spirals being oriented in...
US20080123505 OPTICAL DISK APPARATUS AND OPTICAL DISK REPRODUCTION METHOD  
According to one embodiment, here is provided an optical disk apparatus including: a reading unit configured to read an address corresponding to a position of beam spot; a calculating unit...
US20100067336 DEVICE AND METHOD FOR REPRODUCING INFORMATION AND COMPUTER PROGRAM  
An information reproducing device reproduces information in an information recording medium provided with, in addition to a first recording layer readable by a first laser beam, at least one of a...

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