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US20110051580 DISK PROTRUSION DETECTION/FLATNESS MEASUREMENT CIRCUIT AND DISK GLIDE TESTER  
The present invention relates to a disk protrusion detection/flatness measurement circuit and a disk glide tester, in which protrusion detection and average value calculation can be performed...
US20090016202 METHOD OF PRODUCING A PHOTOELECTRIC TRANSDUCER AND OPTICAL PICK UP  
A photoelectric transducer comprises a board, which carries at least an optical sensor on one face, and a spacer defining a recess that houses the optical sensor. The recess is at least partly...
US20070159935 Height-determining method of an elevating device for a disc changer  
A height-determining method of an elevating device comprises following steps. Firstly, the disc changer determines whether a disc storage cartridge is inserted into the disc changer or not....
US20080094945 Checking a Batch of Dvd Titles to be Archived  
Administrating content of a digital video disc (DVD) having, on-disc, a database involves storing, externally to the DVD, information of the database. Based on the stored information, a check is...
US20050157604 Method of storing calibration data in a circuit board and an optical disc drive thereof  
An optical disc drive for accessing an optical disc is provided. The optical disc drive includes an optical/mechanical assembly (OMA) and a special pattern board having an in-built calibration...
US20090103404 Optic disk drive power management method for computer system  
Disclosed is an optic disk drive power management method for a computer system, which uses a keyboard controller, together with a system basic input/output system of the computer and a virtual...
US20050232087 Magnetic head device and magneto-optical disc apparatus  
A magnetic head device includes a head main body for applying a magnetic field to an information recording medium; a connecting member including a main part and an elastic part connected to the...
US20070081428 Transcribing dictation containing private information  
Private information is removed from dictation so that the transcriptionist never has access to the private information. A software program is used to first extract the private information and then...
US20130028065 FLEXIBLE CABLE FOR OPTICAL PICKUP AND OPTICAL DISC DRIVE INCLUDING THE SAME  
A flexible cable is provided. The flexible cable includes a base film having a band shape, a plurality of wiring layers disposed on the base film and extending in one direction, and a plurality of...
US20140376351 MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CONTAINING SAME  
A device including a near field transducer, the near field transducer including gold (Au) and at least one other secondary atom, the at least one other secondary atom selected from: boron (B),...
US20060062096 System for updating a content bearing medium  
The invention is directed to content bearing mediums having a capacity to receive additional content and systems and methods for updating and presenting content recorded on a content bearing...
US20080080354 Optical disc playback equipment and optical disc playback method  
According to one embodiment, an optical disc playback equipment includes a reading section which outputs read information based on reflected light of laser light applied to an optical disc, an...
US20060028954 Illuminator device, non-spherical lens design method, non-spherical lens and projector  
Exemplary embodiments of the invention provide an illuminator device including a light source for emitting light to be irradiated to an irradiation plane; a first optical system provided between...
US20080144450 METHOD FOR DATA PRESERVATION  
A method for data preservation is disclosed. In the method, the number of times the processor accesses a sector of a storage device is counted, which is used to determine the damage level of the...
US20060098537 All kinds of printing materials be recorded in all kinds of recordable materials for sale  
All kinds of printing materials; books, indexes, dictionaries, telephone directories, catalogs, magazines, newspapers etc are recorded in all kinds of recording materials; discs, magnetic/non...
US20090147649 Sound Playback and Editing Through Physical Interaction  
The disclosure relates to sound playback and editing apparatus. The editing apparatus uses user interaction to allow the user to instinctively modify recorded sound. This can be achieved by...
US20080273436 Integrated Photo Monitor Circuit and Optical Pickup Unit  
The invention provides an integrated photo monitor circuit (12), particularly an integrated photo monitor circuit (12) for CD and DVD applications, comprising a photo detector (14), an amplifier...
US20070211596 Optical Scanner With Synchronous Sampling  
The present invention relates to a scanner for optical storage media with an improved signal-to-noise ratio. In the case of an optical scanner according to the invention having a light source for...
US20060002278 Spherical aberration corrector, optical pickup unit, and optical disk unit  
A spherical aberration corrector is disclosed that includes a drive part configured to drive an optical element provided in each of multiple optical paths so that the optical elements move in...
US20070271575 Disk Drive Unit  
A disk drive unit for a disk (D), comprises a turntable (2) for a disk (D) which is rotatably supported by the base and drivable by a motor (6) including a stator (7) mounted on the base and a...
US20080279068 Method of inspecting disc information  
A method of inspecting disc information stored on an optical disc, for applying in an optical drive of a computer system. The method of inspecting disc information comprises a. outputting a...
US20080025168 METHODS FOR DETERMINING RELATIONSHIP BETWEEN MAIN BEAM AND SIDE BEAM IN OPTICAL STORAGE DEVICE AND RELATED APPARATUSES  
Methods and apparatuses for determining a relationship between a main beam and a side beam are provided. One proposed method includes: measuring reflected light of the side beam under a first...
US20080232229 Disc Turning Device and Method Thereof  
A disc turning device and method thereof utilizes a device whose supporting portion is located at one side of the gravity center of the disc body to make the disc body, under the gravity action,...
US20130279314 OPTICAL DEVICES INCLUDING ASSISTANT LAYERS  
A waveguide including a top cladding layer, the top cladding layer including a material having an index of refraction, n1; an assistant layer, the assistant layer positioned adjacent the top...
US20050025013 Stable write trial process with respect to optical record medium  
Provision is made to perform a write trial process in a stable manner at all times in a write trial area for the purpose of determining optimum recording power. Sub-areas of the write trial area...
US20140376352 MATERIALS FOR NEAR FIELD TRANSDUCERS, NEAR FIELD TRANDUCERS CONTAINING SAME, AND METHODS OF FORMING  
A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two...
US20050254370 Mass storage using modern compact disk  
A mass storage device using an optical disk such as a compact disk, DVD-RW, BLU-RAY disk or the like to mimic to the operating system and BIOS of a electronic device the operations of a...
US20050083823 Emitted-light checking apparatus for optical pickup  
An emitted-light checking apparatus receives laser beam which has been emitted from a laser diode of an optical pickup subject to check. The laser beam travels through a cylindrical lens provided...
US20100027400 MOTION LIMITING COVER FOR DATA STORAGE DEVICE  
Disclosed herein are embodiments of motion limiting cover features that improve coil/VCM coupled resonance. The features are flexible in that their position and configuration can be customized to...
US20060109775 Using spot differentials to determine mark quality  
A method comprising; installing a written media that contains marks and un-written areas, scanning the written marks and un-written areas concurrently, and determining the quality of the marks by...
US20120236697 MASTER STRATEGY ADJUSTMENT METHOD AND DISC MANUFACTURING METHOD  
A master strategy adjustment method includes performing first recording on a master with a predetermined strategy, performing first measurement of an evaluation value of the master of the first...
US20080137522 STORAGE APPARATUS, CARRIAGE SHIFTING METHOD AND PROGRAM THEREOF  
A storage apparatus includes carriages that are arranged in a matrix and store and transport objects, and a carriage shifting mechanism that is fixed to the storage apparatus and shifts the carriages.
US20060002257 Information reproducing apparatus and control method therefor  
An information reproducing apparatus is disclosed which recovers a video signal and an audio signal from input information, displays the video signal on a display unit, and reproduces the audio...
US20090060451 Timing Extraction Device and Video Display Device  
An asynchronous timing detector 3 detects and measures a specific pattern (sync pattern) of audio and video reproduced signals having a digital value form an A/D converter 2 and its appearance...
US20090022035 SPHERICAL ABERRATION CORRECTION CONTROL  
A controller and a control method is provided to control a spherical aberration correcting device provided in an optical pick-up head to change a spherical aberration compensate value according to...
US20050058050 Optical pick-up having a spherical aberration compensator and a method of compensating for spherical aberration  
An optical pick-up apparatus and method incorporating a spherical aberration compensator is disclosed. The optical pick-up employs the spherical aberration device that comprises a wave plate for...
US20060262662 PROVIDING TRAFFIC INFORMATION INCLUDING SUB-LINKS OF LINKS  
A method for identifying traffic information for at least one sub-link includes receiving traffic information including a sub-link identifier enabling a determination of whether the received...
US20110149711 COMA ABERRATION COMPENSATING DEVICE, COMA ABERRATION COMPENSATING METHOD, AND OPTICAL DISC  
A method for compensating the coma aberration in a pickup of a recording and reproducing device that records or reproduces data on or from an optical disc using the pickup is provided. The method...
US20110110208 COMA ABERRATION COMPENSATING DEVICE, COMA ABERRATION COMPENSATING METHOD, AND OPTICAL DISC  
A method for compensating the coma aberration in a pickup of a recording and reproducing device that records or reproduces data on or from an optical disc using the pickup is provided. The method...
US20110235483 DISC APPARATUS  
A disc apparatus is disclosed that includes a jitter-value detection unit configured to detect a jitter value based on a signal to be read from a medium. A detrack-value setting unit is configured...
US20070036050 Anykey function executing device of optical disc system and method of executing anykey function  
A method of executing an anykey function of an optical disc system, the optical disc system including a recording/reproducing deck and a recording deck, the method including determining a type of...
US20090219790 MAGNETO OPTICAL DEVICE  
In a magneto optical device is which a laser beam is shone in operation through a coil (5), the coil holder (6) comprises a concavely curved exit surface with a radius of curvature R lying between...
US20080219122 Dead on demand technology  
The present invention relates to a system and method for destroying at least the data contained on a data storage media upon the occurrence of certain events.
US20090129248 Small form factor optical disc drive for use in mobile electronic device  
A small form factor disc drive is structured to hold and play an optical data storage disc measuring approximately 32 mm in diameter and containing 1 GB of data per layer. The disc drive contains...
US20080253259 Optical Device With Wavefront Modifier  
An optical device comprises a wavefront modifier for introducing a wavefront modification in a radiation beam. The wavefront modifier comprises a first optical element (110) and a second optical...
US20090040911 Cantilever on cantilever structure  
In one embodiment, the present invention includes an apparatus having a first cantilever structure to move in a vertical direction, including a first plate formed of a conductive material, an...
US20100322054 Elastic Wave Reflection  
An apparatus and associated method for reflecting elastic waves that propagate from an excitation source to an excitation-sensitive component in a device. The device has an enclosure with a base...
US20080025162 OPTICAL DISK APPARATUS AND PICKUP POSITIONING METHOD  
An optical disk apparatus includes an optical pickup head which detects a signal corresponding to data recorded on an optical disk, a stepping motor which includes a stator and a rotor, and...
US20060274623 Flexible write strategy generator  
Methods and system are provided that enable unique write strategies to be selected without having to provide custom chips. Specific embodiments allow a user to specify which combinations, of total...
US20050237871 Laser/detector device for optical recording with adjustable detector position  
An assembly structure and method for an integrated laser/detector device with a mirror at an angle to redirect the laser beam to a medium. The mirror is not attached to the circuit board with the...