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| Number | Title | Issue Date |
| 8074237 | Optical disk device including buffer mechanism for buffering elastic deformation of the optical pickup side of a disk motor plate An optical disk device includes: a disk motor for rotating an optical disk D inserted into a package; an optical pickup that moves in a radial direction of the optical disk, for controlling recording information on the optical disk or reading information from the op... | 12/06/2011 |
| 8046786 | 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 bearing portion is fixed on the base plate. The coil portions are connected... | 10/25/2011 |
| 7712112 | Optical disk device having motor with spacer assembly An optical disk drive includes a spindle motor for rotating an optical disk, and an optical pickup head. On a base plate, a pickup moving motor moves the optical pickup head in a disk radial direction. A motor plate supports the spindle motor. A spacer holder has a ... | 05/04/2010 |
| 7607145 | Structure for fixing spindle motor to traverse chassis A fixing structure fixes the position of a spindle motor against a traverse chassis in the direction of the movement of an optical pickup (first direction), and can be adjusted in the direction perpendicular thereto (second direction). In the bottom surface of the s... | 10/20/2009 |
| 7496940 | Traverse module for disc apparatus with tilt adjustable spindle motor A traverse module for a disc apparatus includes a chassis, a spindle motor for rotating a disc thereon, a gasket set positioned between the spindle motor and the chassis; and a screw set corresponding to the gasket set. The spindle motor is mounted on the chassis. T... | 02/24/2009 |
| 7484231 | High-density disk recording medium having an asymmetrically-shaped center hole and manufacturing method thereof The present invention relates to a high-density disk that is structured to prevent a collision of an optical pickup's objective lens with the high-density disk if the disk is placed upside down in a disk device that is able to record and reproduce signals to/from th... | 01/27/2009 |
| 7480926 | Deviation adjustment mechanism for spindle motor and pickup head of optical disk drives A deviation adjustment mechanism for spindle motor and pickup head of optical disk drives includes an optical disk drive dock for holding a pickup head and a motor holding seat for holding a spindle motor. The motor holding seat has a retaining flange on one edge. T... | 01/20/2009 |
| 7308694 | High-precision positioning apparatus A high-precision positioning apparatus includes a fine driving unit for producing horizontal and small movements of a flat recording medium relative to an optical system, the medium being used for optically recording and reproducing information. The fine driving uni... | 12/11/2007 |
| 7271513 | Thermal stress relieved overmolded mounting base A method of manufacturing and an overmolded mounting base. A plate is provided with mounting surfaces having a range of alignments including a nominal alignment. The plate is overmolded to form an overmolded plate. The overmolding changes the alignment of the mounti... | 09/18/2007 |
| 7237246 | Position adjustment and damper mechanism for an optical disk drive A position adjustment method includes forming a plurality of bores on a tray, forming a plurality of through holes in a mounting plate corresponding to the bores on the tray, installing a plurality of screws into the through holes, and threading a plurality of nuts ... | 06/26/2007 |
| 7233555 | Method for adjusting optical axis of optical disc drive A method for adjusting an optical axis of an optical disc drive. The method includes the following steps. A first reflecting member is disposed on a turntable of the optical disc drive, and is rotated along with the turntable. A laser light is emitted on the first r... | 06/19/2007 |
| 7200850 | Spindle motor having aligning mechanism and information recording/reproducing apparatus mounted with such spindle motor An easy-to-manufacture spindle motor has an aligning mechanism whose precision is equal to that of cutting of metallic materials without entailing an extra cost. The aligning mechanism is in contact with the center hole of a disk-shaped recording medium and comprise... | 04/03/2007 |
| 7152234 | Disk device The object is to keep the system safety even if the disk tray of the disk device is drawn out from the PC main body and led to a structurally dangerous state, and to prevent the disk tray from wrong operation beforehand. In addition, in a recording and playback syst... | 12/19/2006 |
| 7086072 | Spindle motor having mounting plate with space for connecting and having circuit board covered by rotor for a slim optical disk apparatus The spindle motor for a slim optical disk apparatus has a stator, a rotor, a circuit board, and a mounting plate. The circuit board is within the range covered by the rotor and has a plurality of electronic components used on the spindle motor and a plurality of ele... | 08/01/2006 |
| 7047542 | Disc drive apparatus and method of manufacturing the same A disk drive apparatus includes a turntable having a boss at its one side surface and a rotation center hole, and a rotary shaft inserted and fixed in the hole, an inner circumferential surface of the hole being configured to have a fitting portion near to another s... | 05/16/2006 |
| 7043741 | Adjustment apparatus for a spindle motor of an optical disk drive An adjustment apparatus for regulating the inclination angle of a spindle motor of an optical disk drive is disclosed. The spindle motor is mounted on a driving circuit board which is mounted in a traverse module. The adjustment apparatus comprises an optic axis reg... | 05/09/2006 |
| 7028319 | Transverse-adjustment device for a spindle motor The transverse-adjustment device for a spindle motor is used to adjust and correct the transverse position of the spindle motor to be aligned at an identical axis with the optical pick-up, and comprises: a first displacement-adjusting member and a second displacemen... | 04/11/2006 |
| 6993780 | Inclined angle adjusting mechanism and inclined angle adjusting method Of an integrated type leaf spring, a first abutting portion of first leaf spring portion of a narrow spring piece abuts against the bottom surface of a disk motor base to apply reactive force of the first leaf spring portion to the disk motor base. At the same time,... | 01/31/2006 |
| 6951026 | Storage device adjusting tilt angle of spindle motor against replaceable storage medium A compact inexpensive optical disk drive adaptable to high-density optical disks is provided by improving a loading mechanism for an optical disk. A mechanism for loading an optical disk, in or from which information is optically recorded or reproduced, into the bod... | 09/27/2005 |
| 6934960 | Optical disk apparatus An optical disk apparatus includes a main chassis and a sub-chassis provided on a drawer, and has a skew adjusting mechanism of the main chassis and the sub-chassis which is skew-adjusted with reference to a rotational axis in tangential direction XT, whi... | 08/23/2005 |
| 6928650 | Optical disk drive An optical disk drive includes a mounting plate, a guide bar, a fixing structure for positioning the guide bar on the mounting plate, and a pickup head guided by the guide bar and moveable along a lengthwise direction of the guide bar. The fixing structure includes ... | 08/09/2005 |
| 6865744 | Disk drive with compensation of disk eccentricity A device for rotating inside of a disk player and/or recorder a disk shaped data carrier which takes into account that the rotating disk may be eccentered from an imposed rotation axis. A side moving apparatus allows the rotating disk and a fixing device to which th... | 03/08/2005 |
| 6826770 | Disk driving device with improved disk holding features The receiving surface of a bearing 20 is divided into four segments including a first divided receiving surface which is the end surface of a gate 25, a second divided receiving surface, a third divided receiving surface and a fourth divided receiving ... | 11/30/2004 |
| 6772428 | Optical writing and reading apparatus An optical writing and reading apparatus is disclosed. The apparatus has a deck base having an opening at its center, on which an optical pickup including an object-glass is mounted to be moved along both sides of the opening, and which is formed adjacent to the ope... | 08/03/2004 |
| 6614748 | Mounting assembly for mounting a disk drive upon a turntable of a disk drive assembly There is a problem that a high fitting accuracy between the table body and a chucking ring of a turntable is requested because the table body and the chucking ring are separately constituted and the chucking ring is integrated with the table body by fitti... | 09/02/2003 |
| 5867471 | Optical recording and reproducing apparatus having device for correcting position of spindle motor An optical recording and reproducing apparatus includes a deck, a spindle motor supported by the deck, a turntable combined with the shaft of the spindle motor, and a corrector for moving the spindle motor horizontally with respect to the surface of the d... | 02/02/1999 |
| 5796707 | Optical recording and reproducing apparatus having means for correcting installation angle of spindle motor According to the present invention, an optical recording and reproducing apparatus includes a deck, a spindle motor installed on the deck, a turn table attached to the shaft of the spindle motor, and a method for correcting the installation angle of the s... | 08/18/1998 |
| 5160866 | Spindle motor A spindle motor having a shaft member secured to a fitting member, a rotary member which is rotatable relatively to the shaft member, a rotor magnet fitted to the rotary member in such a manner that the rotor magnet confronts the rotor magnet and a stator... | 11/03/1992 |
| 5111088 | Guide rail mounting structure A guide rail mounting structure using a motor comprises a motor, a chassis to which the motor is fixed, and a guide rail positioned in contact with the stator portion of the motor.... | 05/05/1992 |
| 4800553 | Device for recording information on and playing it back from a driven recording medium A motor (2) forming a unit with a record turntable (5) is introduced through a recess (8) of corresponding dimensions of the frame (1) and through a narrow opening (9) in a connecting central bore (10) and fixed by means of a retaining spring (11) pushed ... | 01/24/1989 |
