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8885451 Recording medium, optical information device and method for producing recording medium  
A recording medium (10) is provided with a left-handed material layer (1) having at least one of a permittivity and a permeability of a negative value, and having substantially periodically formed...
8837265 Optical information reproduction device, optical information reproduction method, and information recording medium  
An optical information reproduction device includes a light source (14) configured to emit reproduction light, a plasmon resonance element (9) including a resonance section (22) arranged adjacent...
8723136 Particle beam system and method for operating the same  
A method of operating a particle beam system includes determining a deflection amount and a deflection time of a beam deflection module connected to a data network. The method also includes...
8693300 Write PLL for optical disc labeling applications  
A system includes a position detection module configured to detect at least a first position indicator and a second position indicator corresponding to a label side of an optical disc. A write...
8670296 Optical information recording medium and optical information recording method  
An optical information recording medium includes: a recording layer 12 comprising a multi-photon absorption compound and a one-photon absorption compound; and a supporting member (base layer 11)...
8649249 Printing magnetic pattern onto disk  
A novel method and apparatus is provided for printing magnetic patterns using heat assisted magnetic recording (HAMR). The apparatus includes an array of probes that is arranged in a predetermined...
8618568 Method for manufacturing light-emitting device and film formation substrate  
In a method for manufacturing a light-emitting device according to an embodiment of the present invention, one surface of a first substrate including a reflective layer including an opening, a...
8593925 Intelligent digital audiovisual reproduction system  
Payment-based audiovisual playback system characterized by comprising a microprocessor unit, primarily including storage means for storing inter alia in digital form the visual and sound...
8588047 Storage medium, reproducing method, and recording method  
According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a wavelength of 405 nm and at a recording...
8530140 Optical information recording medium and method for manufacturing the same  
An optical information recording medium of the present invention includes at least a recording layer (4) that allows information to be recorded thereon and/or reproduced therefrom by being...
8503125 Channel-source laser-pulsing system architecture for thermal-assisted recording  
A method and apparatus for generating a laser signal for driving a laser used in thermal-assisted recording. A channel of a hard drive generates a high-frequency component of the laser...
8493644 Optical writing device  
To provide an optical writing device that outputs image light to be recorded to a display recording medium. An optical element thereof includes a two-dimensional periodic structural body including...
8477018 Rotation-activated electronic component with time-limited use  
A rotation-activated electronic component, preferably a RFID tag mounted on or incorporated in a support that is rotated when read, e.g. a CD or DVD. The RFID tag comprises an antenna, a...
8477588 High power optical disc drives  
High power optical disc drives are disclosed. The drives are configured to deliver laser energy having a power of at least about 25 mW as measured at DVD 1× write speed upon first contact with the...
8456776 Disk drive head gimbal assembly having a flexure bond pad shelf offset from a tongue  
A disk drive includes a head gimbal assembly with a laser light source that is disposed on a back face of the slider (opposite an air bearing surface). The laser light source is attached to the...
8442367 Grating for VCSEL coupling to a heat assisted magnetic recording head  
An apparatus includes a waveguide including a core layer having curved edges shaped to reflect light to a focal point, and a grating positioned adjacent to or imbedded in the core layer, wherein...
8436717 Rotation-activated electronic component  
A rotation-activated electronic component, preferably a RFID tag mounted on or incorporated in a support that is rotated when read, e.g. a CD or DVD. The RFID tag comprises an antenna, a...
8369368 Laser driving device, laser driving method, optical unit, and light device  
Disclosed herein is a laser driving device including: a sample-hold section; a first pulse generating section; a second pulse generating section; a light emission waveform generating section; a...
8284649 Controlled chatter patterning for writing/data storage at the nanometer scale  
In accordance with aspects of the present disclosure, a method, product, apparatus and system is disclosed. In some aspects of the present disclosure, a method of writing data to a data storage...
8279736 Multilevel recording method and system thereof  
The present invention discloses a multilevel recording method and system thereof. The multilevel recording method applied to a recording media comprises the following steps. At First, a plurality...
8250415 Optical disk reproduction apparatus, optical disk reproduction method, reproduction processing device and reproduction processing method  
Provided is an optical disk reproduction apparatus capable of preventing information that is different from the original sub information from being subjected to error correction erroneously, and...
8243564 Misjudgment correction circuit and optical disk drive  
Disclosed herein is a misjudgment correction circuit, including, an edge detection section configured to detect, in a binarized full addition signal obtained by adding first and second signals of...
8228774 Optical information medium measurement method, optical information medium, recording apparatus and reproducing apparatus  
An optical information medium measurement method measures a degree of modulation in an optical information medium of a multilayered structure having a plurality of information layers. The method...
8213286 Photodetector and optical pickup apparatus including the same  
A photodetector comprising: a substrate; a photodiode fixed to the substrate, the photodiode configured to output a signal according to a light amount of a laser beam when applied with the laser...
8193554 Optical member having photocurable resin and method for manufacturing the optical member  
There is provided an optical member 1 in which a fixation member 3 supporting the light emitting member 2 is fixed to a housing 5 supporting a light receiving member 4, so as to have clearances...
8169875 Optical pickup device and method of manufacture therefor  
An optical pickup device includes a holder which holds an LD and a light-receiving element and an optical pickup case on which the holder is adhesively fixed via an ultraviolet cure adhesive, and...
8164989 Information recording method and information recording apparatus  
A recording method for irradiating a multi-layered optical recording medium with a laser beam to record information thereon. The optical recording medium can form a first information recording...
8159771 Controlling a heat resistive element with a pulse modulated signal  
The disclosure is related to pulse width modulating a power signal to a heat resistive element of a transducer. The power signal may be a power output signal of preamplifier. The power signal may...
8149680 Random read/write performance of probe storage memory devices  
Current probe-type memory architecture assumes that the minimum chunk of data that a probe tip can access is one entire track and perhaps only four out of five-thousand, for example, probes...
8144561 Multilayer optical recording medium  
A multilayer recording medium has a three-layered structure for an increased capacity, including an L0 layer, an L1 layer, and an L2 layer in order from the side farthest away from the incident...
8139927 Information recording apparatus and information recording method  
An information recording apparatus includes a recording medium receiver to receive a recording medium whereon information may be recorded by the apparatus and a non-volatile memory to store...
8096473 Optical reader for reading identification codes on optical discs  
An optical reader comprises a housing, at least one light source inside the housing and an image sensor whose terminus is inside the housing. The housing has a longitudinal axis and a...
8059513 Data storage device container  
A method of storing a data storage device includes but is not limited to emplacing a data storage device in a container, the container having surfaces; and writing storable data to the data...
8059507 Data storage device container  
A method of storing a data storage device includes but is not limited to emplacing a data storage device in a container, the container having surfaces; and writing storable data to the data...
8054736 Storage device having flexible architecture and free scalability  
A storage device according to the invention has flexible architecture and free scalability. It includes an address input and a data input. It also includes an address and data evaluation unit,...
8039064 Compound, polymerizable liquid crystal composition, optical element and optical information writing/reading device  
A compound having a good durability against light and capable of producing desired liquid crystallinity after polymerization, and a polymerizable liquid crystal composition containing such a...
8027239 Data recording and reproducing device, camera device, and data recording and reproducing method  
A data recording and reproducing device includes: a light emitting element that generates light and emits the light toward an optical recording medium; a light emission control section that...
8021579 Conductive composition and production method thereof, antistatic coating material, antistatic coating, antistatic film, optical filter, and optical information recording medium, and capacitors and production method thereof  
A conductive composition comprises a π conjugated conductive polymer, a polyanion, and a hydroxy group-containing aromatic compound containing two or more hydroxy groups. An antistatic coating...
8018799 Optical pickup device and optical disc device  
An optical pickup device is provided. The optical pickup device includes a first, second, and third light emitting portions emitting light beams having first, second, and third wavelengths,...
8014254 Optical disc and optical disc device  
In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other...
7995878 Integrated optical memory  
An optical memory includes an array of optical material and a beam scanning device. The optical material assumes first and second states, and incident light causes the optical material to...
7990823 Storage device and its drive startup method  
The time required for starting up drives in a storage device mounted with both hard disk drives and solid state drives is shortened. A storage controller of the storage device identifies the type...
7978584 Pattern recognition type optical memory and optical read/write device and method for reading and writing data from or to the memory  
There is provided a method and device for reading, writing, or both, data from or to a pattern recognition type optical memory having a light transmittable substrate. Patterns can be formed in the...
7978583 Apparatus and method for forming reflective layer of optical disc  
Improved techniques for forming a reflective layer of an optical disc are provided. One improvement includes forming the reflective layer over an information layer of the disc by utilizing a...
7957244 Method of reading optical information in super-resolution  
The invention relates to the reading of digital optical recordings at very high density (CD, DVD, etc.). Reading is done by a PRML (“Partial Response Maximum Likelihood”) technique which uses a...
7933186 Method for manufacturing optical disk master, method for manufacturing optical disk, and apparatus for manufacturing optical disk master  
A method and apparatus for manufacturing an optical disk master and an optical disk, including measuring the reflectance of laser light at each of a plurality of radius positions by applying the...
7933190 Electric field read/write device and method of driving the same  
Provided are an electric field read/write device and a method of driving an electric field read/write device. The method including an electric field read/write head comprising a resistance region...
7928681 Disk apparatus capable of determining failure of spindle motor  
A control portion instructs supply of an offset voltage while a disk remains stopped at the time of start. While the disk remains stopped at the time of start, a differential operational amplifier...
7924690 Process for intentional deterioration of the contents of an optical recording medium  
The invention relates to the field of optical information recording. In order to prevent abusive or fraudulent use of storage media, the invention provides a process for intentional degradation of...
7911915 Optical pickup and optical information recording apparatus using the same  
An optical pickup includes a diffraction grating partitioned into three areas, in which the phase of periodic grating groove structure in an area is successively shifted from that in the adjacent...