Patent application number | Description | Published |
20090010117 | Optical Disk Manufacturing Method and Device, Optical Disk, and Reproduction Method Thereof - Optical discs are adapted to be used with a light beam having a wavelength of 405 nm for recording or reproducing data. Error correcting blocks for recording BMID including copy protection key information are defined on optical discs ( | 01-08-2009 |
20090052310 | OPTICAL DISC REPRODUCTION METHOD AND DEVICE, AND OPTICAL DISC MANUFACTURING METHOD - According to the present invention, there is provided an optical disc player adapted to record a unique ID on a read-only optical disc and positively read the unique ID from the optical disc. The optical disc ( | 02-26-2009 |
20090067309 | OPTICAL DISC MANUFACTURING METHOD AND DEVICE, OPTICAL DISC, AND OPTICAL DISC REPRODUCTION METHOD - According to the present invention, there is provided a method of recording a unique ID to a read-only optical disc based on the 17PP modulation. The read-only optical disc ( | 03-12-2009 |
20090183188 | DISC RECORDING AND/OR REPRODUCING APPARATUS AND MIST ADSORBING METHOD OF THE DISC RECORDING AND/OR REPRODUCING APPARATUS - A disc recording and/or reproducing apparatus includes a disc mounting unit to which a disc recording medium is removably mounted, the disc mounting unit rotating the disc recording medium; a print head which discharges an ink drop towards a label surface of the disc recording medium that is rotationally driven by the disc mounting unit; and a mist attracting unit which, by applying a voltage, attracts mist of the ink drop discharged from the print head, the mist attracting unit provided near the disc recording medium mounted to the disc mounting unit. | 07-16-2009 |
20090189302 | METHOD FOR MANUFACTURING MICROLENS AND METHOD FOR MANUFACTURING SOLID-STATE IMAGE SENSOR - A method for manufacturing a microlens includes forming a microlens by pressing a microlens mold having a reverse shape of a microlens formed therein on a microlens-forming film formed on a substrate to transfer the reverse shape of the microlens to the microlens-forming film. The microlens mold is formed by irradiating an inorganic resist film which is formed on a mold substrate with exposure light by relative two-dimensional scanning, and etching an exposed region of the inorganic resist film to form the reverse shape of the microlens. The irradiation intensity of the exposure light is adjusted to correspond to the depth of the reverse shape of the microlens from the surface of the inorganic resist film on the basis of profile data of the reverse shape of the microlens. | 07-30-2009 |
20090201324 | PRINTER-EQUIPPED DISK RECORDING AND/OR REPRODUCING APPARATUS - A printer-equipped disk recording and/or reproducing apparatus includes: a disk drive; a printer; a single light-emitting indicator unit able to luminously indicate colors; an ink tank containing color inks of which the number corresponds to the number of colors the light-emitting indicator unit can indicate; an ink level detection unit that detects color ink levels in the ink tank and outputs detected signals; a printing operation detection unit that detects a printer operation and outputs a detected signal; a drive operation detection unit that detects a disk drive operation and outputs a detected signal; and a first light emission control unit that controls a luminous color and state of the light-emitting indicator unit in accordance with the printer operation, the disk drive operation and the color ink levels on the basis of the detected signals from the ink level detection unit, printing operation detection unit and drive operation detection unit. | 08-13-2009 |
20090201792 | Optical Disc Recording Device, Recording Method, Optical Disc, and Optical Disc Playback Device - An optical disc recording device includes a recording unit configured to apply optical beams, on an optical disc on which a main-data sequence is recorded in advance by forming recording marks and spaces having lengths corresponding to the main-data sequence on a track center line on an information recording surface of the optical disc, to a desired application position that is displaced in a disc inner-outer circumferential direction by a specific distance from the track center line in a recording mark having a specific length or more or a space having the specific length or more, or in the recording mark and the space each having the specific length or more, and thus locally change a reflectance of the information recording surface, so that a sub-data sequence is recorded on the optical disc. | 08-13-2009 |
20090238362 | DISC MANUFACTURING METHOD, DATA RECORDING APPARATUS, INFORMATION RECORDING MEDIUM, INFORMATION PROCESSING APPARATUS AND METHOD, AND COMPUTER PROGRAM - A product mark including a public key certificate issued with respect to an information-recording-medium manufacturing entity or information-recording-medium manufacturing equipment, and an encrypted volume ID calculated by computation based on a product-mark-associated value such as a hash value generated on the basis of the product mark, and a volume ID as an identifier set with respect to a given set of discs to be manufactured, are generated. The product mark and the encrypted volume ID are set as information for generating a key used for decryption of encrypted content, and recorded onto a disc by a reflective-film-removal recording method. Due to this configuration, the product mark and the encrypted volume ID as key generating information cannot be read from a pirated disc produced by physically copying a pit pattern on the basis of a legitimate commercial disc, thereby making it possible to prevent unauthorized reproduction or use of content. | 09-24-2009 |
20090285058 | MASTERING DEVICE, DISC MANUFACTURING METHOD, DISC-SHAPED RECORDING MEDIUM, DISC REPRODUCTION DEVICE, AND DISC REPRODUCTION METHOD - Second digital information serving as copyright protection information can be stably and reliably read without any effect of a defect or pit missing on a disk-shaped recording medium. | 11-19-2009 |
20090285085 | OPTICAL DISC RECORDING DEVICE, DATA RECORDING METHOD, AND DATA RECORDING PROGRAM - An optical disc recording device includes: an optical disc device to record optical recording data onto an optical disc; a recording data assigning unit to divide a recording region on the optical disc into multiple divisions, part as a data region, assign optical recording data thereto; a redundancy data calculating unit to calculate redundancy data for restoring recorded data; a redundancy data assigning unit to take divided regions other than the data region as a redundancy region, and assign the corresponding redundancy data thereto; a recording/playing device having a recording capacity greater than the data region; and a recording control unit configured to record optical recording data in the data region and also at least a part thereof in the recording/playing device, cause the recording/playing device to play the optical recording data recorded therein at the time of calculating redundancy data, and record calculated redundancy data in the redundancy region. | 11-19-2009 |
20100046338 | OPTICAL DISC APPARATUS, FOCUS POSITION CONTROL METHOD AND RECORDING MEDIUM - An optical disc apparatus can highly accurately record a hologram representing information on or reproduce such a hologram from an optical disc. When recording information on an optical disc | 02-25-2010 |
20100165825 | OPTICAL RECORDING/REPRODUCING DEVICE - An optical recording and reproducing apparatus is provided for recording standing wave information on an optical recording medium and reproducing standing wave information from an optical recording medium. The optical recording and reproducing apparatus includes an optical head configured to separate a laser beam emitted from a light source ( | 07-01-2010 |
20100289849 | DISC DEVICE - According to the present invention, provided is a disc device including a disc mounting unit having a mounting surface, on which a disc-like recording medium is mounted; a print head for discharging ink towards a label surface of the disc-like recording medium mounted on the disc mounting unit; and a mist inducing unit for inducing the ink discharged from the print head when applied with a predetermined voltage. | 11-18-2010 |
20100296374 | APPARATUS AND METHOD FOR INITIALIZING INFORMATION RECORDING MEDIUM, APPARATUS AND METHOD FOR RECORDING INFORMATION, AND INFORMATION RECORDING MEDIUM - An initialization apparatus that has a simplified configuration and that forms an initial hologram in an information recording medium is provided. An initialization apparatus ( | 11-25-2010 |
20100309938 | LASER DRIVING DEVICE AND LASER DRIVING METHOD - A laser driving device includes: a pulse signal generating unit that, after a voltage has risen from a predetermined reference voltage to a predetermined output voltage and a time of a sum of an oscillation period of relaxation oscillation and a light emission start time in a predetermined laser diode has nearly elapsed, generates a pulse signal having a waveform that falls divisionally in two or more stages from the output voltage to the reference voltage; and an output unit that generates a laser drive signal by performing signal processing on the pulse signal and outputs the signal to the laser diode. | 12-09-2010 |
20110034124 | MOBILE COMMUNICATION TERMINAL DEVICE - A mobile communication terminal device whose authentication and settlement functions by noncontact proximity communication can be continuously used even after operating voltage from battery power drops is provided. Only when the supply of required power from a battery is lost, a security controller is controlled into a mode in which it operates with low power consumption and noncontact authentication and settlement functions are ensured by external electromagnetic field power. Thus the noncontact authentication and settlement functions can be used even after the battery remaining capacity is lost by use of a communication function for the principal purpose. Specifically, the following is implemented: when there is the supply of required power from the battery, it is made possible to carry out high-performance, multifunctional authentication and settlement processing making good use of high-speed processing, mass storage, and the like which are the advantages of the security controller essentially driven by battery; and in an anomalous instance in which the battery remaining capacity is lost, it is made possible to carry out minimal authentication and settlement processing. | 02-10-2011 |
20110051250 | OPTICAL ELEMENT, AND PROCESSING APPARATUS AND METHOD FOR REDUCING REFLECTION - An optical element includes: a pit forming portion of a material that forms a pit in the vicinity of each focal point of a predetermined light beam upon condensation, wherein the pits are formed in such a manner that the volume percentage of the pits with respect to the material at distances from a light incident face becomes smaller away from the incident face. | 03-03-2011 |
20120127848 | RECORDING MEDIUM, METHOD OF INITIALIZING THE SAME, INITIALIZING DEVICE, AND REPRODUCING METHOD - There is provided a method of initializing a recording medium having a first surface and a second surface which face to each other with a recording layer in between. The method includes forming interference patterns to have a pitch wider than λr/2N by applying initializing light of a plane wave with a wavelength λf to the recording layer from both of the first surface side and the second surface side, where λr is a wavelength of reproducing light applied to the recording layer at the time of reproducing recorded information, and N is an average refractive index of the recording layer. | 05-24-2012 |
20120182851 | OPTICAL RECORDING MEDIUM AND RECORDING METHOD - Techniques for recording and reading information to/from a recording medium based on positions of a plurality of marks are described herein. Each of the plurality of marks may have the same length. The information may be recorded based on a mark interval between successive marks. Apparatus and a recording medium suitable for use with such techniques are also disclosed. | 07-19-2012 |
20120188864 | RECORDING MEDIUM AND REPRODUCING APPARATUS - A recording medium includes a photosensitive layer, a nonphotosensitive layer, and a recording layer formation region in which the photosensitive layer and the nonphotosensitive layer are laminated. The photosensitive layer includes a recording layer in which interference fringes formed in parallel with a recording medium surface are deleted or changed within a portion irradiated with focused light to record information or light reflected during irradiation of focused light is used to reproduce information. | 07-26-2012 |
20130342885 | DISPERSION COMPENSATION OPTICAL APPARATUS AND SEMICONDUCTOR LASER APPARATUS ASSEMBLY - Disclosed is a dispersion compensation optical apparatus including a first transmission type volume hologram diffraction grating and a second transmission type volume hologram diffraction grating. The first and second transmission type volume hologram diffraction gratings are arranged facing each other. A sum of an incident angle of laser light and an emitting angle of first-order diffracted light is 90° in each of the first and second transmission type volume hologram diffraction gratings. | 12-26-2013 |
20140011451 | MOBILE COMMUNICATION TERMINAL DEVICE - A mobile communication terminal device whose authentication and settlement functions by noncontact proximity communication can be continuously used even after operating voltage from battery power drops is provided. Only when the supply of required power from a battery is lost, a security controller is controlled into a mode in which it operates with low power consumption and noncontact authentication and settlement functions are ensured by external electromagnetic field power. Specifically, the following is implemented: when there is the supply of required power from the battery, it is made possible to carry out high-performance, multifunctional authentication and settlement processing making good use of high-speed processing, mass storage, and the like which are the advantages of the security controller essentially driven by battery; and in an anomalous instance in which the battery remaining capacity is lost, it is made possible to carry out minimal authentication and settlement processing. | 01-09-2014 |
20140325165 | MEMORY APPARATUS AND MEMORY MANAGEMENT METHOD - A memory apparatus includes a detection unit, a storage unit, an update unit, and a determination unit. The detection unit is configured to detect a deterioration factor of a nonvolatile memory. The storage unit is configured to hold a lifetime estimation value. The update unit is configured to update the lifetime estimation value on the basis of the deterioration factor detected by the detection unit. The determination unit is configured to use the lifetime estimation value updated by the update unit to generate a notification signal. | 10-30-2014 |