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US20100319012 Spindle Motor Assembly With Encoder  
The present invention provides a spindle motor assembly with an encoder. The spindle motor includes a circuit board, a spindle motor and an encoder. A connector is mounted on the upper surface of...
US20110010731 TRANSPORTATION BODY FOR FLEXIBLE OPTICAL DISK, OPTICAL DISK TRANSPORTATION APPARATUS, AND OPTICAL DISK TRANSPORTATION METHOD  
A transportation body 1 for a flexible optical disk 10 has flexibility, and includes a rotation stabilizing board 2 having a disk-shaped form, an optical disk alignment unit 4 installed in the...
US20070061827 Turntable with positional setting  
The present invention relates to a turntable for a drive for interchangeable storage media in disc form. According to the invention, in the case of a turntable for a drive for storage media in...
US20050110363 Method for producing a spindle motor and a spindle motor for a hard disk drive  
In a method for the manufacture of a spindle motor for a hard disk drive comprising a stator, a rotor and a hydrodynamic bearing arrangement that rotatably supports the rotor, it is provided that...
US20120047523 Spindle motor and disk driver having the same  
Disclosed herein is provided a spindle motor and a disk driver having the same. There is provided a spindle motor including: a sleeve rotatably supporting a shaft; a bush combined with the top...
US20130047173 OPTICAL DISK DRIVE  
An optical disk drive including a housing, a top cover, a spindle motor and a supporting element is provided. The housing has an accommodating space. The top cover covers the accommodating space....
US20150143388 Spindle Motor  
A spindle motor is provided, the motor comprising: a base plate, a PCB on the base plate, a bearing assembly arranged on the base plate, a stator coupled to a periphery of the bearing assembly, a...
US20080222668 Spindle motor and player  
A spindle motor includes a rotor made of metal including a substantially circular top surface section and a tubular skirt section arranged at a predetermined space from an outer periphery of the...
US20080127239 Thread motor and playback device  
A thread motor is disclosed. The thread motor includes: a cylindrical rotor; a ring-shaped gear provided at an outer peripheral surface of the cylindrical rotor; and a flange portion provided at...
US20110055858 SPINDLE MOTOR  
Disclosed is a spindle motor including a rotor yoke coupled with a rotation axis and having an optical disk mounted thereon; a clamp case that is arranged on the rotor yoke, inserted into an inner...
US20120110606 SPINDLE MOTOR  
Disclosed is a spindle motor, the spindle motor including a turntable coupled to a rotating shaft and supporting the rotating shaft and a disc, a centering unit fitted over the rotating shaft and...
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...
US20080109835 Reproducing apparatus with built-in optical disk drive  
Conventional reproducing apparatuses used to perform incorrect detection or consume electricity considerably. According to the present invention, the comparator 61 comparing voltages at both ends...
US20120023513 Motor and optical disc drive using the same  
There is provided a motor having an improved coupling structure between a circuit board and a base plate, and an optical disc drive using the same. The motor includes: a base plate; and a circuit...
US20110265107 DISK DEVICE  
A disk device configured in such a manner that, in addition to tilt adjustment, the adjustment of the distance between a disk and an optical pickup can be easily performed. The disk device is...
US20090183189 SPINDLE MOTOR CONTROLLING METHOD AND OPTICAL DISK DRIVE USING THE SAME  
An optical disk drive includes a spindle motor, a power source, a microprocessor, and a comparator. The spindle motor is for supporting a disk. The power source supplies a first voltage to drive...
US20090190452 Device and Method for Controlling Zero-Return of Opto-Mechanical System  
A device for controlling zero-return of an opto-mechanical system of an optical disc drive is provided. The opto-mechanical system has an optical pickup head for reading data from an optical disc....
US20110265106 Motor and disk driving device equipped with motor  
There are provided a motor and a disk driving device equipped with the motor. The motor may include a core on which a coil is wound, a rotor having a magnet generating an electromagnetic force...
US20110055857 MOVE-SLED-HOME DEVICE AND METHOD FOR USE IN OPTICAL DISC DRIVE  
A move-sled-home device is used in an optical disc drive. The move-sled-home device includes a processing unit, a motor actuator, a sled, a sled motor, and a current-detecting unit. The processing...
US20090183191 SPINDLE MOTOR  
A spindle motor is provided. The spindle motor includes a rotation shaft rotatably installed, a stator around the rotation shaft, a rotor coupled to the rotation shaft, a turntable rotated with...
US20090150915 Spindle Motor  
Provided is a spindle motor. The spindle motor includes a rotatable shaft, a stator, a rotor, and a turntable. The stator is positioned around the shaft. The rotor includes a rotor yoke coupled to...
US20120017226 Motor and optical disc drive using the same  
There is provided a motor with an improved sleeve holder and base plate combining structure and an optical disc drive using the same. The motor according to the present invention includes a base...
US20080229343 Information Carrier, as Well as a Turntable and a Device for Reading Information from and/or Writing Information Onto Such an Information Carrier  
Information carrier comprising a disc (1) provided with positioning means (3) arranged to cooperate with a disc drive turntable (4) for positioning the disc on the turntable. The positioning means...
US20090288108 OPTICAL DISK DEVICE AND ROTATION CONTROL METHOD  
An optical disk device of the present invention includes a spindle motor, an optical pick-up, and a rotation control portion. The spindle motor is a rotational drive portion that rotates an...
US20140250495 Contactless Authentication Of Optical Disk Drives  
An optical disc drive (ODD) includes a radio-frequency identification (RFID) reader. The reader includes a circuit and a coil antenna which has a rotational symmetry with respect to a rotation...
US20120017225 Motor and optical disc drive using the same  
There are provided a motor in which a coupling structure between a sleeve holder and a base plate is improved to thereby reduce manufacturing costs and manufacturing process of the motor, and to...
US20120204200 OPTICAL PICKUP DEVICE AND MANUFACTURING METHOD FOR THE SAME  
The invention provides an optical pickup device and a method of manufacturing the optical pickup device that allows an optical device to come to be held after one principal surface of a housing is...
US20070253299 Optical disc apparatus and data writing method therefor  
When an optical disc apparatus of the present invention writes to an optical disc, it detects the level of the drive voltage for its laser drive circuit and, based on the detected level, adjusts...
US20110023056 Spindle Motor  
Disclosed is a spindle motor comprising: an integral turntable including: a table on which a rotating body to be installed, and an inner side wall and an outer side wall formed to be recessed...
US20110307910 Multi-Output Power Supply Device and Electric Apparatus Using Same  
A multi-output power supply device (1) comprises a first power supply (10) for outputting a first output voltage (VDCO1); a second power supply (30) for outputting a second output voltage (VDCO3);...
US20110258651 LIGHTSCRIBE OPTICAL DISC DRIVE  
An optical disc drive for marking a label side of a lightscribe disc is provided. The optical disc drive includes a spoke detecting device, a spindle motor PCB and an insulating pad. The spoke...
US20090013342 Multiple positioner data storage device  
A data storage device having at least one rotatable disk and at least one actuator arm assembly for writing data onto the disk and reading the data recorded on the disk is provided. The data...
US20110041145 Spindle motor for optical disc drive  
The present invention provides a spindle motor for an optical disc drive. The spindle motor comprises a turntable unit and an anti-slipping element. The turntable unit has a disc mounting stand,...
US20090049463 MOTOR DRIVING DEVICE, AND MOTOR DRIVING METHOD  
A motor driving device generates a first PWM control signal for PWM driving each phase (1u, 1v, 1w) of stator windings of a motor (1) and a second PWM control signal for synchronously rectifying...
US20120151507 OPTICAL DISC DEVICE, AND METHOD OF SETTING OPERATION MODE OF OPTICAL DISC DEVICE  
When power is supplied to an ODD used by being externally attached to a PC via a USB port, it is desirable not to cause an error to occur owing to occurrence of a power-on reset even when the...
US20100211964 SPINDLE MOTOR AND OPTICAL DISC DRIVE HAVING THE SAME  
A spindle motor includes a base plate, a stator, and a rotor. The base plate has a plurality of air-guiding holes. The stator includes a bearing portion and a plurality of coil portions. The...
US20070283375 Disc apparatus  
An optical disc apparatus capable of restraining thermal deformation of an optical disc due to transmission of a heat from a spindle motor to the disc, comprises a turn table rotated by the...
US20120185884 DISK DEVICE  
A disk device includes a disk rotation driving unit 7 provided movably in the direction of the Y axis to a chassis 10 and immovably in the direction of the X axis thereto, a guide rail 1 supported...
US20110258649 DISC MOUNTING IN OPTICAL DISC DRIVES  
The embodiments herein describe an apparatus and method for a reduced Z stack slot loading optical disc drive (ODD). In one embodiment a reduced Z stack height slot loading optical disc drive...
US20100083295 INFORMATION RECORDING MEDIUM AND OPTICAL RECORDING/REPRODUCING APPARATUS  
When a super resolution technology for optical disks is used in a situation where optical disk management information is formed with a signal that cannot be reproduced by a reproduction method...
US20120011522 Motor and optical disc drive using the same  
There is provided a motor and an optical disc drive using the same, more particularly, a motor having an improved coupling structure between a rotor and a stator, and an optical disc drive using...
US20090015803 Projector  
A projector includes a projector main body for enlargedly projecting the optical image, an image output device for outputting the image information to the projector main body, and a connection...
US20080082994 OPTICAL DISK APPARATUS AND DISK ROTATION SPEED CONTROL METHOD THEREOF  
In an optical disk apparatus and a disk rotation speed control method thereof, enabling to rotate a disk at high speed, with stability and certainty, irrespective of mass eccentricity thereof,...
US20120198486 MEDIA PROCESSING DEVICE AND CONTROL METHOD FOR A MEDIA PROCESSING DEVICE  
A media processing device does not execute a media transportation process if the height of media stacked in a media storage unit is at an over capacity level, and reliably prevents problems such...
US20080002288 Chucking mechanism, motor having the same, and method of manufacturing the same  
A turn table of a motor includes a first cylindrical portion extending in an axial direction, a first discoid portion radially outwardly extending from the first cylindrical portion, and a second...
US20110267934 OPTICAL PICKUP, OPTICAL INFORMATION DEVICE, COMPUTER, OPTICAL DISK PLAYER, CAR NAVIGATION SYSTEM, OPTICAL DISK RECORDER, AND OPTICAL DISK SERVER  
To provide an optical pickup and an optical information device, capable of obtaining excellent signal characteristics for an optical disk on and/or from which recording and/or reproducing are...
US20110258650 OPTICAL DISC DRIVE  
From an optical disc drive, internal static electricity has to be discharged to the outside to prevent breakage of electric components such as laser diodes. A grounding spring has been used to...
US20110202940 MOTOR, DISK DRIVE APPARATUS AND MOTOR MANUFACTURING METHOD  
A motor includes a turntable and a rotor holder unified with each other by insert-molding. The turntable includes a protrusion portion protruding radially outward beyond a cylinder portion and a...
US20120240136 OPTICAL PICKUP AND DRIVE APPARATUS  
An optical pickup includes a lens holder; an objective lens provided on the lens holder and having an effective region for collecting light from a light source and an edge located outer to the...
US20120079511 Motor, method for manufacturing the same, and optical disk drive using the same  
There are provided a motor capable of preventing scratches from occurring on an outer surface of a rotor case thereof, a method for manufacturing the same, and an optical disk drive using the...

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