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Of optical storage medium

Subclass of:

369 - Dynamic information storage or retrieval

369240010 - INFORMATION LOCATION OR REMOTE OPERATOR ACTUATED CONTROL

369300010 - Selective addressing of storage medium (e.g., programmed access)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
369300040 Using recorded information indicative of storage medium contents 60
369300180 Electrical information signal processing 31
369300100 Transducer movement control using recorded information indicative of location of information (e.g., track address) 14
369300270 Electrical control signal processing 12
369300640 Plural optical storage media in disc changer 10
369300380 Plural optical storage media in library system 7
369300260 Remote operating mode control 3
20080279055Communication Optical Write Strategies Via Central Databases - The present invention relates to an optical drive (11-13-2008
20110182155System and method for remote access of optical disc media - A system and method to remotely access optical disc media over a network. The present invention provides the benefits of consolidated storage of media and remote access, while maintaining an exclusive playback policy and allowing access to optical multimedia stored on remotely stored optical discs in accordance with the playback policy. The present invention provides a solution to those seeking to remotely access multimedia stored on optical discs from remote locations, particularly in situations that require direct hardware access to properly read the data from optical disc drives.07-28-2011
20100329087DEVICE-SPECIFIC AND APPLICATION-SPECIFIC COMPUTING DEVICE, PLAYBACK DEVICE AND METHOD FOR CONTROLLING PLAYBACK DEVICE USING COMPUTING DEVICE - A device-specific and application-specific computing device, a playback device and a method for controlling the playback device using the computing device is disclosed. In accordance with the present invention, a user may control the playback device using a control information generated according to a device configuration information of the computing device in his/her possession.12-30-2010
Entries
DocumentTitleDate
20130028062OPTICAL DISC DRIVE AND METHOD OF ACCESSING OPTICAL DISC - An optical disc drive and a method of reading an optical disc are disclosed. The drive includes an I/O port, an optical pickup module and a format conversion unit. The I/O port couples a host to receive a read command of a host terminal file system format. The optical pickup module accesses the optical disc which contains data of a first file system format. The format conversion unit coupled between the I/O port and the optical pickup module includes a mapping information generation module, a memory module and a read-command processing module. The mapping information generation module controls the optical pickup module to access data and thereby to generate mapping information. The memory module stores the mapping information. The read-command processing module controls the optical pickup module to access the optical disc according to the read command by referring to the mapping information.01-31-2013
20080259744Drive Device - The drive apparatus of the present invention includes: a recording/reproduction section; and a drive control section. The drive control section performs a process including: determining a physical address indicating a location at which data can be recorded next in the determined track as a next writable address, based on the last recorded address in the determined track; comparing the physical address corresponding to the logical address included in the recording instruction with the next writable address; when the physical address corresponding to the logical address included in the recording instruction is smaller than the next writable address, performing a process including: controlling the recording/reproduction section to record the data at a specific location in the user data area, the specific location being a location other than the location indicated by the physical address corresponding to the logical address included in the recording instruction; generating new disc management information including replacement management information for mapping the physical address corresponding to the logical address included in the recording instruction to the physical address indicating the specific location and the last recorded address updated by recording of the data; and controlling the recording/reproduction section to record the new disc management information in the disc management information area; when the physical address corresponding to the logical address included in the recording instruction is equal to the next writable address, performing a process including: controlling the recording/reproduction section to record the data at location indicated by the physical address corresponding to the logical address included in the recording instruction; generating new disc management information including the last recorded address updated by recording of the data; and controlling the recording/reproduction section to record the new disc management information in the disc management information area.10-23-2008
20110194385OPTICAL RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCING METHOD - According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.08-11-2011
20110194384OPTICAL RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCING METHOD - According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.08-11-2011
20110194383OPTICAL RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCING METHOD - According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.08-11-2011
20130039158MANUFACTURING METHOD FOR OPTICAL DISC, OPTICAL DISC, PLAYBACK METHOD FOR OPTICAL DISC, PLAYBACK APPARATUS FOR OPTICAL DISC, RECORDING APPARATUS FOR OPTICAL DISC - Address information that has been error correction encoded is recorded on a second version of a recording medium after being transformed such that such that the address decoding cannot be performed by a playback device that is not compatible with the second version of the recording medium. The address decoding for the second version of the recording medium cannot be performed by the incompatible playback device (for example, a playback device that was manufactured to be compatible only with a first version of the recording medium). In other words, in the playback device that is not compatible with the second version of the recording medium, a state is created in which address errors cannot be corrected, so access is impossible (recording and playback are impossible).02-14-2013
20130070577OPTICAL RECORDING MEDIUM, RECORDING APPARATUS, RECORDING METHOD - Provided is an optical recording medium, including a plurality of tracks on each of which small record carriers are arranged in a wobbling manner, each of the small record carriers storing a recording state by modulation according to light irradiation, wherein the tracks are arranged adjacent to each other in a tracking direction which is a direction orthogonal to a longitudinal direction of the tracks, and there is a reflectance difference between a forming portion and a non-forming portion of the small record carrier in both of a recording state and a non-recording state of the small record carrier.03-21-2013
20090040885Search Method - A search method of efficiently retrieving information is provided.02-12-2009
20090040884ACCESSING PRE-RECORDED CONTENT ON A RECORD CARRIER - A system includes a first manufacturing apparatus (02-12-2009
20120224462PICKUP HEAD, INFORMATION RECORDING METHOD AND REPRODUCING METHOD - According to one embodiment, a pickup head includes a plurality of light sources, a first objective lens, second objective lens, a driving unit, a first control unit, a second control unit, light receiving units. The first objective lens focuses a first light beam at a first recording layer. The second objective lens focuses a second light beam at a second recording layer. The driving unit moves the first objective lens and the second objective lens in a first direction and a second direction. The first control unit corrects displacement from target track along the first direction. The second control unit controls a moving direction of a position of the second light spot in the second direction.09-06-2012
20130064054INFORMATION RECORDING MEDIUM, AND RECORDING METHOD AND REPRODUCING METHOD THEREOF - An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to a pit array, the information recording medium is provided with an intermediate area composed of a pit array of which height changes from a height between a bottom and a side of a groove to another height between the bottom and a side of the pit array.03-14-2013
20130064053INFORMATION RECORDING MEDIUM, AND RECORDING METHOD AND REPRODUCING METHOD THEREOF - An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to a pit array, the information recording medium is provided with an intermediate area composed of a pit array of which height changes from a height between a bottom and a side of a groove to another height between the bottom and a side of the pit array.03-14-2013
20090046543IMAGE PROCESSING SYSTEM AND METHOD FOR SILHOUETTE RENDERING AND DISPLAY OF IMAGES DURING INTERVENTIONAL PROCEDURES - A positioning system in an optical card reading apparatus, for accurately positioning the optical card (02-19-2009
20110299368SYSTEM FOR RECORDING DATA IN AN OPTICAL DISC - According to one embodiment, a system is provided for recording data in an optical disc having frames having different numbers. The system records data in each of the frames while writing synchronization information in each frame. The system is provided with an even/odd frame judgment unit, a synchronization information output unit, a synchronization information selection unit and a selection information output unit. The even/odd frame judgment unit judges whether the number of a frame having a land pre-pit is an even number or an odd number. The synchronization information output unit outputs plural pieces of synchronization information corresponding to different synchronization patterns. The synchronization information selection unit generates a selection signal for selecting one of the pieces of synchronization information to be written in each frame. The selection information output unit outputs the selected one of the pieces of synchronization information.12-08-2011
20120008471RECORDING MEDIUM, RECORDING APPARATUS, REPRODUCTION APPARATUS, RECORDING METHOD AND REPRODUCTION METHOD - The present invention allows the usability of a write-once recording medium to be enhanced. The write-once recording medium is provided with an ordinary recording/reproduction area, an alternate area, a first alternate-address management information area (DMA) and a second alternate-address management information area (TDMA). In addition, written/unwritten state indication information (a space bitmap) is also recorded. The second alternate-address management information area is an area allowing alternate-address management information recorded therein to be renewed by adding alternate-address management information thereto. In addition, the written/unwritten state indication information indicates whether or not data has been recorded in each data unit (cluster) on the recording medium. Thus, it is possible to correctly execute management of defects and properly implement renewal of data in the write-once recording medium.01-12-2012
20110292775INFORMATION STORAGE MEDIUM, AND RECORDING/REPRODUCING APPARATUS AND METHOD - An information storage medium, and a recording/reproducing apparatus and method, the information storage medium including a plurality of recording layers, each layer including a lead-in area or a lead-out area, a data area, a middle area, and a dedicated area, wherein the data area is flexibly allocated according to data capacity to be recorded in each of the recording layers, the middle area is allocated behind the data area, and the dedicated area is allocated behind the middle area. The dedicated area for a special purpose may selectively be allocated in an outer circumferential area of the information storage medium, i.e., an optical disk including a plurality of recording layers. In particular, optical disks in various formats are provided in which dedicated areas for special purposes can selectively be allocated in outer circumferential areas of the optical disks depending on recording characteristics of the optical disks and the outer circumferential areas.12-01-2011
20110199869OPTICAL RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCING METHOD - According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.08-18-2011
20110170382INFORMATION RECORDING MEDIUM, RECORDING METHOD, AND REPRODUCING METHOD - Minimized is the influence which is exerted by recording calibration (test recording) such as power calibration, strategy calibration or the like, performed in an area for recording calibration (recording calibration area or test area) provided in each of a plurality of recording layers, on recording calibration performed in the other recording layers.07-14-2011
20090296538OPTICAL DISK DEVICE - In an optical pickup driving mechanism using a stepping motor, a feeding operation of an optical pickup can be stabilized even in a broad operating temperature environment. In executing an optical axis correction feeding operation in response to an amount of lens shift of an objective lens of an optical pickup, a stepping motor controlling portion drives a stepping motor in a microstep drive mode to move a base of the optical pickup in a radial direction of an optical disk. At this time, a temperature sensor senses an in-equipment temperature, and a driving current supply time deciding portion sets a supply time width of a pulse driving current whose envelope is like a sinusoidal wave to a supply time width as a fixed value, which is longer than that at an ordinary time, or a supply time width, which is multiplied by a coefficient corresponding to the in-equipment temperature, to increase a current supply time of the driving current when the sensed in-equipment temperature is equal to or lower than a predetermined temperature.12-03-2009
20090296537RECORDING MEDIUM, ACCESS APPARATUS, ACCESS METHOD, AND PROGRAM - A recording medium is provided, which comprises at least one recording area. The at least one recording area is composed of at least one adjustment area and at least one positional information recording area. The at least one adjustment area is an area for adjustment an access parameter for accessing the recording medium. Positional information indicating a position of the at least one adjustment area is recorded in the at least one positional information recording area.12-03-2009
20100110845Recording medium, and method and apparatus for reproducing data from the recording medium - A method and apparatus for reproducing data from a recording medium are disclosed. The method and apparatus calls for downloading data associated with data read from the recording medium. The downloaded data is stored in a local storage using an organization ID directory. The downloaded data from the local storage and the data from the recording medium are ultimately bound together to form a virtual package.05-06-2010
20120269049OPTICAL RECORDING MEDIUM HAVING AUXILIARY INFORMATION AND REFERENCE CLOCK - An information recording medium is composed of a substrate having a microscopic pattern constituted by a continuous substrate of grooves formed with a groove portion and a land portion alternately, a recording layer, and a light transmitting layer. The microscopic pattern is formed with satisfying a relation of P≦λ/NA, wherein P is a pitch of the land portion or the groove portion, λ is a wavelength of reproducing light, and NA is a numerical aperture of an objective lens. The land portion is formed with wobbling so as to be parallel with each other for both sidewalls of the land portion. Auxiliary information and a reference clock is recorded alternately. Information is recorded in the recording layer corresponding to a land portion by either one change of reflectivity difference and refractive index difference in the recording layer.10-25-2012
20110199870OPTICAL RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCING METHOD - According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting layer and which is disposed on a side closer to a light receiving surface, and a second recording part which includes a second recording layer and a second light reflecting layer and which is disposed on a side farther from the light receiving surface, the first recording part and the second recording part being stacked, wherein the thickness of the second light reflecting layer is larger than the thickness of the first light reflecting layer.08-18-2011
20090109804INFORMATION PROCESSING APPARATUS AND READING CONTROL METHOD - According to one embodiment, an information processing apparatus, has a reading unit which, if a transfer delay address is found, stores data in the transfer delay address, in a memory, and stores data in a range from the transfer delay address to an additional address located at an outer periphery in a certain distance and which, if the address to be read on the optical disc is present in the transfer delay address, reads data corresponding to the address to be read as stored in the memory, and a control unit which, if the address to be read on the optical disc is present in the additional address, reads the data corresponding to the address to be read as stored in the memory, by the reading unit, and increases a rotation rate of the optical disc up to a predetermined number of revolutions.04-30-2009
20090190447WRITE-ONCE RECORDING MEDIUM, RECORDING METHOD, RECORDING APPARATUS, REPRODUCTION METHOD, AND REPRODUCTION APPARATUS - A write-once recording medium is provided, which comprises a management information area for recording management information for managing a recorded state, and a user data area for recording user data. The user data area is configured to contain at least one recording area. At least one session is configured to contain at least one of the at least one recording area. The management information contains range information indicating a recording range of the at least one recording area and identification information for identifying the recording area located at a boundary of the session.07-30-2009
20090086587LIMITED PLAY OPTICAL ARTICLE - An optical article for playback in a player includes a first file comprising a first control logic; and a second file comprising a second control logic. The first file is configured to direct the player to play a first content data stored on the optical article, when the first control logic is read by the player. The player is directed to read the second file if the player cannot read the first file. The second file is configured to direct the player to play a second content data stored on the article when the second control logic is read by the player. The optical article includes a mark containing an optical state change material disposed on at least a portion of the first file, wherein the mark is in one of a first optical state or a second optical state, and wherein the first control logic can be read only when the mark is in the second optical state.04-02-2009
20090129214MEMORY CONTROL DEVICE - To provide a memory control circuit in which the bandwidth that is required for the refresh operation is appropriately divided so as to perform smoothing of the peak bandwidth for the memory accesses, and thereby the refresh operations that are required can be accomplished with a low peak bandwidth. A normal time refreshment requester circuit which normally raises a refreshment request for refreshing the memory to the access arbitrator circuit, and a first and second concentrated refreshment requester circuits corresponding to the first and second requesters which in a concentrated manner issues refreshments during while the refreshment request issuing conditions are satisfied such as in a time domain in which the bandwidth for memory accesses are lowered are operated in parallel.05-21-2009
20120188860INFORMATION STORAGE MEDIUM AND RECORDING/REPRODUCING APPARATUS AND METHOD USING THE SAME - An information storage medium and a recording/reproducing apparatus and method, the information storage medium includes: an area for recording information regarding a predetermined function applied thereto, wherein the information regarding the predetermined function includes specific information in which set information regarding the predetermined function is set by a recording/reproducing apparatus that can recognize the predetermined function, and common information set by the recording/reproducing apparatus that can recognize the predetermined function based on corresponding information dependent upon the set information so that a recording/reproducing apparatus that cannot recognize the predetermined function can use the predetermined function. Accordingly, a recording/reproducing apparatus that cannot recognize a predetermined function can properly use a medium having the predetermined function.07-26-2012
20100296372RECORDING MEDIUM, METHOD AND APPARATUS FOR REPRODUCING DATA ON THE RECORDING MEDIUM, AND METHOD AND APPARATUS FOR RECORDING DATA ON THE RECORDING MEDIUM - A recording medium on which data is recorded in units of clusters, a method and apparatus for reproducing data on the recording medium, and a method and apparatus for recording data on the recording medium, wherein each of the clusters includes a plurality of address fields, each address field includes 32-bit address unit number (AUN) address information, and the AUN address information includes a reserved area recorded on 4 bits, layer information, recorded on 3 bits, indicating a layer on which data corresponding to the AUN address information is recorded, and location information, recorded on 25 bits, indicating a location of the data corresponding to the AUN address information. In the recording medium of the present invention, a space in which addresses are recorded is expanded, thereby securing an address area in which addresses of data can be recorded in a data structure.11-25-2010
20110128830RECORDING DEVICE AND METHOD, AND COMPUTER PROGRAM - A recording apparatus includes: a recording device for recording content data onto a recordable recording medium with a first recording layer including a first data area and a second recording layer including a second data area; a first reading device reading the address of the position corresponding to the maximum capacity of the first data area; a second reading device reading an address of a layer jump position of the content data; a calculating device for calculating a position to start the recording of the content data such that the layer jump position of the content data is recorded at the position corresponding to the maximum capacity of the first data area; and a first controlling device for controlling the recording device to record first padding data into an area from a start position of the first data area to the position to start the recording of the content data.06-02-2011
20100302918Information recording medium, method and apparatus for recording and reproducing information - An information recording medium includes a lead-in area and a data area for storing contents information. The lead-in area includes a first lead-in information area and a second lead-in information area. The first lead-in information area corresponds to a first playback mode. The second lead-in information area corresponds to a second playback mode different from the first playback mode. The first lead-in information area has a first depth and is designed for storing lead-in information related to the contents information stored in the data area. The second lead-in information area includes pre-pits having a second depth greater than the first depth. The pre-pits represent predetermined information, such as information of copyright protection, related to the contents information stored in the data area.12-02-2010
20110242949SIGNAL PROCESSING CIRCUIT AND OPTICAL DISC REPRODUCING DEVICE - The signal processing circuit in the present invention includes a tracking polarity determination unit configured to determine the polarity when tracking control is performed on an optical disc, on which a wobble is formed, the tracking polarity determination unit including: a binarized wobble signal generation unit configured to generate a wobble signal according to the shape of the wobble, and to generate a binarized wobble signal; a characteristic quantity measurement unit configured to measure the characteristic quantity of the binarized wobble signal generated by the binarized wobble signal generation unit; a determination unit configured to determine whether or not the characteristic quantity of the binarized wobble signal measured by the characteristic quantity measurement unit indicates a predetermined characteristic; and a polarity determination unit configured to determine the polarity by the result of the determination by the determination unit.10-06-2011
20110026380REPRODUCING DEVICE AND REPRODUCING METHOD - A reproduction device, contains a rotatable operation disk part for performing an input related to reading of data stored in a memory and a capacitance sensor section for outputting a sensor value expressing a change of a capacitance according to depression of the rotatable operation disk part. The device also contains a storage part for storing a reference value corresponding to the sensor value obtained while the rotatable operation disk part is not depressed, and a control part for judging presence/absence of pressing on the rotatable operation disk part based on a vector quantity being a relative value obtained from a difference between the sensor value output from the capacitance sensor section and the reference value stored in the storage part.02-03-2011
20110242948OPTICAL DISC DEVICE AND OPTICAL DISC - There is provided an optical disc device including an objective lens, a lens actuator for driving the objective lens, a light-receiving unit, and a system control unit which determines, at startup, the values of parameters to be set for recording or reproducing data in or from the respective information layers, and performs setting and management of recording inhibition or reproduction inhibition for the respective information layers, wherein, even when an error occurs because the values of the parameter groups for the respective layers cannot be determined in an optical disc having laminated plural information layers, recording or reproduction can be performed for at least the layers for which the parameters can be correctly determined, without stopping the startup. Thereby, the states of the respective information layers are managed for each information layer, and reproduction or recording operation is rapidly started in the respective layers to effectively utilize the multilayer disc.10-06-2011
20110085426RECORDING MEDIUM, METHOD AND APPARATUS FOR REPRODUCING DATA ON THE RECORDING MEDIUM, AND METHOD AND APPARATUS FOR RECORDING DATA ON THE RECORDING MEDIUM - A recording medium on which data is recorded in units of clusters, a method and apparatus for reproducing data on the recording medium, and a method and apparatus for recording data on the recording medium, wherein each of the clusters includes a plurality of address fields, each address field includes 32-bit address unit number (AUN) address information, and the AUN address information includes a reserved area recorded on 4 bits, layer information, recorded on 3 bits, indicating a layer on which data corresponding to the AUN address information is recorded, and location information, recorded on 25 bits, indicating a location of the data corresponding to the AUN address information. In the recording medium of the present invention, a space in which addresses are recorded is expanded, thereby securing an address area in which addresses of data can be recorded in a data structure.04-14-2011
20110080813METHODS FOR OVERWITE CYCLE IMPROVEMENT OF OPTICAL STORAGE MEDIUM AND RELATED MACHINE READABLE MEDIA - A method of recording data onto an optical storage medium includes: before starting recording data onto the optical storage medium from an expected link point on the optical storage medium, setting a current recording condition corresponding to the expected link point according to at least one previous recording condition corresponding to the expected link point; and controlling an operation of recording the data onto the optical storage medium according to the current recording condition.04-07-2011
20110176399Multi-layer recordable optical disk, recording device, and recording method - Disclosed herein is a multi-layer optical recording medium having n recording layers (n≧3) in which recording and reproduction of information are carried out by laser light, the multi-layer optical recording medium including: a file system area configured to be disposed near a last logical address in an area used as a logical address space in which stream data is recorded, wherein in the other recording layers different from the recording layer in which the file system area near the last logical address is disposed, the logical address space is not allocated to an area overlapping with the file system area in a layer stacking direction.07-21-2011
20110158060INFORMATION STORAGE MEDIUM, RECORDING METHOD, AND RECORDING APPARATUS - According to one embodiment, an information storage medium in which layer 06-30-2011
20080205204RECORDING METHOD, REPRODUCTION METHOD, RECORDING APPARATUS, REPRODUCTION APPARATUS, AND INFORMATION RECORDING MEDIUM - A recording method for recording, on a write once type information recording medium, management information representing a recording state of the write once type information recording medium is provided. The information recording medium includes data including a first synchronization signal. The information recording medium has a second synchronization signal pre-recorded by cutting. The recording method includes the steps of (a) performing a recording operation for recording the management information at a predetermined position of the information recording medium based on the first synchronization signal; (b) determining whether the recording operation in step (a) is normally terminated or not; and (c) when the recording operation in step (a) is not normally terminated, performing a recording operation for recording the management information at the predetermined position of the information recording medium based on the second synchronization signal.08-28-2008
20100284253OPTICAL DISC, PLAYBACK APPARATUS FOR OPTICAL DISC, AND APPARATUS AND METHOD FOR MANUFACTURING OPTICAL DISC - On an optical disc, main information to be decrypted using sub information is recorded by arranging concave or convex recording marks in a spiral track and a reflective film is formed on the recording marks. First sub information is recorded as being superimposed on the main information by shifting or deforming the recording marks or altering a pattern of the recording marks. Second sub information is recorded as being superimposed on the main information by changing a reflectivity of the reflective film formed on the recording marks. The first sub information and the second sub information are recorded in an area from which the first sub information and the second sub information are to be read simultaneously. The second sub information is recorded in a manner that the second sub information is associated with the first sub information. The first sub information and the second sub information are associated with each other, and improve resistance to unauthorized copying by prohibiting content information from being read unless both the first sub information and the second sub information are read. The first sub information and the second sub information are recorded in the same area, and prevent the time taken for reading sub information from increasing.11-11-2010
20110096641OPTICAL DISC, OPTICAL DISC RECORDING/PLAYBACK APPARATUS, AND INFORMATION RECORDING/PLAYBACK METHOD - For a disc on which recording is to be performed at a plurality of recording densities, a technique for easily reading out disc management information without an error is disclosed. An optical disc (04-28-2011
20110149699INFORMATION RECORDING MEDIUM, AND RECORDING METHOD AND REPRODUCING METHOD THEREOF - An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to a pit array, the information recording medium is provided with an intermediate area composed of a pit array of which height changes from a height between a bottom and a side of a groove to another height between the bottom and a side of the pit array.06-23-2011
20090175136Recording and reproducing apparatus as well as recording and reproducing method - A recording and reproducing apparatus and a recording and reproducing method capable of making correspond to original data without recording repeated data are provided. The recording and reproducing apparatus includes: reproducing element 07-09-2009
20100020650RECORDING APPARATUS - Even when a data area and a spare area are procured on a recording medium in advance, performs a replacement process for the replacement area only under specific cases where recording for the data area is impossible, so that the recording areas can be efficiently utilized.01-28-2010
20110216637METHOD OF, AND APPARATUS FOR, RECORDING ADDRESS INFORMATION TO DISC MEDIUM09-08-2011
20110069592ACCESS CONTROLLED OPTICAL DISC AND METHOD THEREFOR - An optical disc is disclosed having a set of primary tracks and a set of alternate tracks. At least some of the primary and alternate tracks are associated. When a CD-DA reader accesses the optical disc, it locates only the primary tracks. By contrast, when a data reader such as a CD-Rom drive accesses the disc, modifications to the Table of Contents (TOC) cause the data reader not to access a given primary track but instead to be directed to its associated alternate track. This alternate track may contain audio (CD-DA) data which may or may not correspond with the CD-DA data in the associated primary track. The alternate tracks may be copy protected, and/or may include compressed (not CD-DA) data which is the subject of digital rights management.03-24-2011
20120099408INFORMATION PROCESSING DEVICE, INFORMATION RECORDING MEDIUM, INFORMATION PROCESSING METHOD, AND PROGRAM - A data recording and reproducing configuration in which both of BDMV standard compliant data and BDMV standard non-compliant data can be used is realized. A plurality of directories are set in a recording media, and a recording destination directory is selected according to the types of data. The BDMV standard compliant data is recorded in a BDMV directory, and the BDMV standard non-compliant data, for example, 1080/6004-26-2012
20090059738SECURING RFID ENCODED CONTENT CONTAINED IN RFID TAGS THAT ARE EMBEDDED IN OPTICAL MEDIA BASED UPON A SPIN RATE OF THE OPTICAL MEDIA - The present invention discloses a solution for protecting RFID encoded content based upon a spin rate of a media within which an RFID tag containing the content is embedded. The solution can include a step of securing tag encoded content stored on an RFID tag embedded in an optical media. A spin rate the optical media can be determined. The tag encoded content can be selectively unprotected when the detected spin rate is approximately equal to a previously established rate or is between a previously established range of values. The spin rate can be based upon a rotational velocity of the optical media and/or a rotational acceleration of the optical media.03-05-2009
20110317529INFORMATION STORAGE MEDIUM, APPARATUS FOR REPRODUCING RECORDINGS, AND METHOD FOR REPRODUCING RECORDINGS - An information storage medium having a plurality of recording layers is provided. The information storage medium including a physical ADIP address (PAA) which corresponds to an address recorded on the information storage medium. In the case in which an address of a layer i to which a pickup will move corresponds to PAAi, an address of a layer j in which the pickup is currently located corresponds to PAAj, and n corresponds to the number of the recording layers, 12-29-2011
20110158061INFORMATION STORAGE MEDIUM, RECORDING METHOD, AND RECORDING APPARATUS - According to one embodiment, an information storage medium in which layer 06-30-2011
20110158059INFORMATION STORAGE MEDIUM, RECORDING METHOD, AND RECORDING APPARATUS - According to one embodiment, an information storage medium in which layer 0 and layer 1 are arranged from a read surface, a system lead-in area, data lead-in area, data area, and middle area are arranged from an inner circumference of the layer 0, and a system lead-out area, data lead-out area, data area, and middle area are arranged from an inner circumference of the layer 1. A guard track zone is arranged on a side of the data area in the data lead-out area, and a reference code zone, R physical format information zone, recording management zone, and drive test zone are arranged in the data lead-in area of the layer 0 and padding of the guard track zone of the data lead-out area is performed after padding of the drive test zone of data lead-in area and recording of the recording management zone.06-30-2011
20120002515MEDIA CONTENT PLAYBACK - Media content playback includes providing a plurality of media contents; providing for each of the media contents information identifying the respective media content; receiving from a user selection instructions that effect selecting or deselecting of a specific media content; providing context data based on measurements of at least one of absolute time, absolute position and of at least one physical quantity at or in the vicinity of the location where the selected media content is to be reproduced; providing or adapting a user profile that assigns for each specific media content user instructions to the context data provided at the time of receipt of the respective instruction; selecting according to the user profile one of the media contents dependent on the context data at the time of selection; and reproducing the selected media content.01-05-2012
20120014232DEVICE FOR ACCESSING ADDRESS INFORMATION IN AN OPTICAL DISC - An address-accessing device includes first and second information generators for producing first and second information according to the received address signals; a phase offset detector for producing a phase offset according to the first and second information; a reference signal generator for producing a reference signal according to the phase offset, the first information and the second information; and a decoder used to determine the structure type of an address-in-pregroove unit (ADIP) according to the reference value. This address-accessing device is capable of adjusting the decision level and the phase offset automatically to lower the error rate occurring in the address access procedure.01-19-2012
20120014231WRITE-ONCE RECORDING MEDIUM, RECORDING METHOD, RECORDING APPARATUS, REPRODUCTION METHOD, AND REPRODUCTION APPARATUS - A write-once recording medium is provided, which comprises a management information area for recording management information for managing a recorded state, and a user data area for recording user data. The user data area is configured to contain at least one recording area. At least one session is configured to contain at least one of the at least one recording area. The management information contains range information indicating a recording range of the at least one recording area and identification information for identifying the recording area located at a boundary of the session.01-19-2012
20120063279RECORDING MEDIUM, DATA RECORDING/REPRODUCING METHOD, AND DATA RECORDING/REPRODUCING APPARATUS - A recording medium, a data recording/reproducing method and a data recording/reproducing apparatus are disclosed. A recording medium comprises a data zone where user data are recorded; an inner zone located at an inner circumference of the data zone; and an outer zone located at an outer circumference of the data zone, wherein the data zone includes at least one spare area, and at least one of the inner zone and the outer zone includes at least one disc management area, the disc management area including: defect management information of the recording medium; general management information including information of the defect management information; and address information of the spare area that can be used as a defective replacement cluster, the general management information including address information per cluster of the disc management area where the defect management information is recorded. According to the recording medium, the data recording/reproducing method and the data recording/reproducing apparatus of the present invention, the defect occurring in the recording medium can be managed more efficiently.03-15-2012
20120170430INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS, AND INFORMATION REPRODUCING APPARATUS - An information recording medium (07-05-2012
20120250473METHOD AND DEVICES FOR COPY PROTECTION, COPY PROTECTED RECORD CARRIER - A method for copy protection includes providing audiovisual or audio data stored in sectors of a record carrier having a file system, and providing additional or modified data to be stored in further sectors. The method includes generating a first file of the file system referencing at least a part of the sectors and none of the further sectors, so when the first file is rendered by a playback device, the data is reproduced which is included in the part of the sectors. The method also includes generating a second file of the file system being another file than the first file and referencing at least a part of the sectors and further referencing at least one of the further sectors, such that when the second file is rendered by the playback device the part of the sectors and the at least one of the further sectors are reproduced.10-04-2012
20120127840INFORMATION RECORDING MEDIUM, RECORDING/REPRODUCING DEVICE, RECORDING/REPRODUCING DEVICE CONTROL METHOD, RECORDING/REPRODUCING DEVICE CONTROL PROGRAM, AND COMPUTER READABLE RECORDING MEDIUM - In an optical disc (05-24-2012
20120213045MANUFACTURING METHOD FOR OPTICAL RECORDING MEDIUM, OPTICAL RECORDING MEDIUM, OPTICAL INFORMATION DEVICE, AND INFORMATION REPRODUCING METHOD - Shape-wise thicknesses of a cover layer and first through (N−1)th intermediate layers of an optical recording medium having refractive indexes nr08-23-2012
20120213044MANUFACTURING METHOD FOR OPTICAL RECORDING MEDIUM, OPTICAL RECORDING MEDIUM, OPTICAL INFORMATION DEVICE, AND INFORMATION REPRODUCING METHOD - Shape-wise thicknesses of a cover layer and first through (N−1)th intermediate layers of an optical recording medium having refractive indexes nr08-23-2012
20120213043INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An acquisition section acquires image data having a plurality of frames. Table information is written into a store when the image data is acquired. The table information includes first position information representing absolute position information of each of the plurality of frames and second position information representing relative position information when a head frame of the image data is set as a reference. A specification section specifics the second position information of a frame corresponding to a frame reproduction instruction using the first position information. A reproduction section reproduces the reproduction frame corresponding to the specified second position information. Writing of the table information into the table store is restricted when there is an instruction to reproduce the frame.08-23-2012
20120134247INFORMATION RECORDING METHOD, INFORMATION READING METHOD, AND OPTICAL DISC DEVICE - An optical disc device and information recording/reading method for an optical disc in which a recording layer is formed through volume recording by aligning recording tracks, which hold information, in a homogenous recording region that does not internally have a layer defining a recording position. The information recording method includes a step in which a first recording layer forming a complex recording layer is formed by forming a recording track while recording information by focusing a main beam at a predetermined depth position in the recording region, and a step in which a second recording layer forming the complex recording layer is formed by forming a recording track while recording information by focusing the main beam at a depth position that is separated from the first recording layer in a depth direction by a depth offset greater than ⅙ of a wavelength of the main beam.05-31-2012
20090109805Recording medium with overlapping segment information thereon and apparatus and methods for forming, recording on, and reproducing the recording medium - A recording medium, such as a high-density and/or optical recording medium including segment information recorded thereon, and apparatus and methods for recording to and reproducing from the recording medium, in order to improve data protection, data management and/or reproduction compatibility. The recording medium may contain at least one segment area which is an area on the disc controlled by a plurality of valid PACs and if the designated segment areas overlap with one another, control information of the respective PACs which control the overlapped area may be applied to control the overlapped area.04-30-2009
20100329086OPTICAL DISC REPRODUCING METHOD - There is provided an optical disc reproducing method capable of reproducing a non-finalized DVD+R. When a seek operation is performed from a present address on the non-finalized DVD+R to an outer circumferential side target address, the outer circumferential direction total jump number of tracks is calculated from a difference between the present address and the target address. When a first condition is satisfied in which the present address is in an inner circumferential zone, the target address is in a second outer circumferential zone, and the outer circumferential direction total jump number is 701 to 2500, the jump number of tracks is set to 340 smaller than the outer circumferential direction total jump number, and a traverse seek using a moving mechanism to move an optical pickup in a radius direction by 340 is performed.12-30-2010
20110038237OPTICAL DISC AND PHYSICAL ADDRESS FORMAT - An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles indicating sub information, among a plurality of prescribed shapes of wobbles. The plurality of blocks each have address information. The address information is represented by a string of at least one piece of sub information represented by the shape of wobbles of at least one of the plurality of frames.02-17-2011
20120287764Disk With Embedded Flash Memory And Disc Drive - A disc has an outer section on which digital media can be recorded and a core in its center in which a flash memory is embedded with the core having a central hole and electrical contacts to the flash memory. A disc drive has a drive spindle that is to extend into the disc core central hole with one of the spindle or spindle hub having electrical contacts to engage with the core electrical contacts so that data can be written into and/or read from the core flash memory by electronic components of the drive.11-15-2012
20130142021METHOD FOR WRITING AND READING DATA BY FLUORESCENCE ON A LIGHT-SENSITIVE SUBSTRATE, AND RELATED SUBSTRATE AND DEVICES - A method for 3D recording of data on a medium formed from a transparent photosensitive material including at least one dopant. The method includes a first step of calibrating and checking a pulsed light source including calibrating the number of pulses, the level of fluence of each pulse emitted and the rate of the pulses and a step of inscribing an area of the material. The fluence of each pulse emitted, the number of pulses and the rate of the pulses are suitable for irradiating the material in the area so as to form fluorescent clusters stabilized from the dopant while minimizing the modification of the refractive index and the absorption coefficient of the medium in a wavelength range from visible to near infrared.06-06-2013
20120250474OPTICAL DISK APPARATUS - An optical disk apparatus which conducts overwriting of data on a rewritable optical disk or conducts write-once recording of data on a write-once optical disk includes a control unit for receiving a recording command which specifies a recording area and orders recording and receiving transfer data, and a collation unit for collating existing data on the optical disk with the transfer data. Upon reception of the recording command and the transfer data by the control unit, the existing data is collated with the transfer data by the collation unit, and overwrite recording of data in places where the transfer data is different from the existing data is conducted on the rewritable optical disk, or data in places where the transfer data is different from the existing data is recorded in an unrecorded area of the write-once optical disk.10-04-2012
20130155824OPTICAL DISC DEVICE AND OPTICAL DISC RECORDING METHOD - On the occasion of providing a guard track and additionally recording data in an optical disc provided with a guide layer having a physical groove structure for carrying out tracking servo control and not having a land/groove structure in recording layers carrying out recording and playback, it has sometimes occurred that it was difficult to reposition a light spot. Given that there are a recorded area and an unrecorded area in a recording layer, recording with respect to the concerned recording layer is taken to be impossible to implement when the recording capacity of the unrecorded area is less than a prescribed value.06-20-2013
20130155825RECORDING MEDIUM FOR LONG-TERM DATA RETENTION, RECORDING METHOD, AND RECORDING/REPRODUCING APPARATUS - Provided are recording media, recording/reproducing apparatuses, and recording methods for use in long-term data retention. Recording medium information may be copied and stored in a new information zone in a data area. Accordingly, if medium recognition of a lead-in area and/or a lead-out area fails, a recording medium may be recognized using the data recorded in the new information zone.06-20-2013
20120087218WRITE-ONCE READ-MANY INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD, INFORMATION REPRODUCTION METHOD, INFORMATION RECORDING APPARATUS, AND INFORMATION REPRODUCTION APPARATUS - A write-once read-many information recording medium is provided, which is capable of easily searching for a latest DDS and a latest defect list. At least one disc management working area is sequentially allocated in a predetermined direction on the write-once read-many information recording medium of the present invention. The latest defect list and the latest DDS are provided in a recorded disc management working area neighboring a border between the recorded disc management working area and an unrecorded disc management working area, where the latest defect list precedes the latest DDS in the predetermined direction.04-12-2012

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