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Disk device

Patent Number: 8448203
Publication Date: 2013-05-21
Inventor:

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 parallel to the X axis by the chassis, and an optical pickup 2 supported by the guide rail 1 and reciprocating in a radial direction of a disk which is rotation-driven by the disk rotation driving unit 7, wherein a positioning part 8 performing the ...

Motor having a disk support member and a disk drive device having the same

Patent Number: 8448202
Publication Date: 2013-05-21
Inventor:

There is provided a motor including: a rotor case having a chucking device, on which a disk is mounted, press-fitted and coupled thereto; and disk support members mounted on an upper surface of the rotor case to support a bottom surface of the disk, and having each of flow path portions therebetween allowing for airflow in a space between the disk and the rotor case, wherein a push portion is disposed in at least one of the rotor case and the disk support members to accelerate the airflow ...

Integrated disk driving module

Patent Number: 8448201
Publication Date: 2013-05-21
Inventor:

An integrated disk driving module is disclosed, the module including a base unit including an opening-formed upper plate, a lateral surface plate bent from an edge of the upper plate to form an accommodation space, and a stepping motor fixture bent from the upper plate toward the accommodation space, wherein the stepping motor fixture is integrally formed with the upper plate; and a stepping motor including a lead screw and a pivot member arranged at a distal end of the lead screw and ...

Transferred medium

Patent Number: 8448200
Publication Date: 2013-05-21
Inventor:

A transferred medium is provided. In one exemplary embodiment a transferred medium includes a projection part projected in a transferring direction of the transferred medium from a front end part of the medium such that the projection part traverses the front end part of the medium. The thickness of a part of the projection part can be configured to be greater than the thickness of the front end part, the width of the projection part in a direction perpendicular to the transferring ...

Player and spindle motor with skirt section having resin lead-in features

Patent Number: 8448199
Publication Date: 2013-05-21
Inventors: ;

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 top surface section and a disk table of synthetic resin outsert-molded in the rotor and including a table main body section located on an outer surface side of the rotor and a rotor-inner-surface superimposing section located on an inner surface side of the rotor. First resin lead-in holes are ...

Traverse module and optical disc drive utilizing the same

Patent Number: 8448198
Publication Date: 2013-05-21
Inventor:

A traverse module of an optical disc drive includes a base and a cover connected to the base that includes at least one spring tab integrally formed therewith. A pair of guide bars is connected to the base. A pickup head module is slidably connected to the guide bars. At least one adjusting member is movably connected to the base. The at least one adjusting member supports at least one of the guide bars and the at least one spring tab presses against the at least one of the guide bars, the ...

Optical pickup device with protrusions in a laser beam direction to shield ultraviolet light and method for manufacturing the same

Patent Number: 8448197
Publication Date: 2013-05-21
Inventors: ; ;

To provide an optical pickup device adapted such that for adhesion fixing of a holder for holding an LD or a light-receiving element to an optical pickup casing via an ultraviolet-curable adhesive, curing shrinkage during ultraviolet irradiation can be reduced and adhesion fixing achieved with high positioning accuracy. In a structure for adhesion fixing of a holder for holding an LD or a light-receiving element to an optical pickup casing via an ultraviolet-curable adhesive, since ...

Flexible printed circuit and electric apparatus and optical disc drive having flexible printed circuit

Patent Number: 8448196
Publication Date: 2013-05-21
Inventors: ; ; ;

An electronic device including a mechanism for changing the relative positions of two circuit boards such as in an optical disc drive is provided. A flexible printed circuit electrically connected between the two circuit boards changes shape to suppress fluctuations in the transmission characteristics occurring due to contact with metal such as a case, and provides stable signal transmission. The flexible printed circuit includes at least one or more differential lines, a fixed unit affixed ...

Stacking type tray and tray developing mechanism and stacking type tray developing system

Patent Number: 8448195
Publication Date: 2013-05-21
Inventor:

To develop optical discs stored while being stacked and to load them to a plurality of recording/reproducing devices simultaneously. Trays for mounting optical discs are stacked to configure an optical disc transportation body, and the portions being exposed without overlapping when the stacked trays are viewed from the stacking direction are utilized as tray operation portions for handling. Supporting portions abutting against the tray operation portions inherent to respective trays in one ...

Turntable for a storage disk apparatus including ferromagnetic material and a resin member

Patent Number: 8438588
Publication Date: 2013-05-07
Inventor:

A turntable for a storage disk drive apparatus includes a plate member made of a ferromagnetic material and a central resin member arranged at the center of the plate member and formed into a single member by injection-molding a resin. The plate member includes a peripheral plate portion and a central plate portion positioned higher than the peripheral plate portion. The central plate portion includes a plate center hole defined at the center of the plate member. The central resin member ...

Motor having improved sleeve holder and base plate combining structure and optical disc drive using the same

Patent Number: 8438587
Publication Date: 2013-05-07
Inventor:

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 plate having a plate shape; a sleeve holder including a cylindrical body part having a sleeve fastened thereinto and a flange part formed to be horizontally protruded in an outer-diameter direction from the lower end portion of the body part to surface-contact the upper surface of the base ...

Drive device for optical disc apparatus

Patent Number: 8438586
Publication Date: 2013-05-07
Inventor:

A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup, two support pieces projecting from the tooth body toward a lead screw, two resin spring pieces provided with a base part on the projecting end of each of the support pieces and extending in a direction orthogonal to the axial direction of the lead screw, a plate part having a base part on the extending ends of the resin spring pieces and formed in a direction parallel to the ...

Drive device for optical disc apparatus

Patent Number: 8438585
Publication Date: 2013-05-07
Inventor:

A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup; support pieces projecting from the tooth body toward a lead screw; resin spring pieces extending from the support pieces in a direction orthogonal to the axial direction of the lead screw; a plate part formed in a direction parallel to the axial direction of the lead screw from the resin spring pieces; meshing cogs formed on the plate part on the side near the lead screw; a ...

Medium transporting unit and media processing apparatus for reading or writing data

Patent Number: 8438584
Publication Date: 2013-05-07
Inventor:

A holding mechanism is operable to hold a top medium from a plurality of plate-shaped media accommodated in a stacker in a stacked manner. A transport arm supports the holding mechanism. The transport arm is provided with a separation mechanism operable to separate a second medium positioned just below the top medium which is held by the holding ...

Electronic device having heat dissipation airflow path

Patent Number: 8438583
Publication Date: 2013-05-07
Inventor:

An exemplary electronic device includes a cover, a circuit board and a driving module both mounted on the bottom cover, an electronic component fixed on the circuit board, a heat dissipating plate mounted on the circuit board and thermally contacting the electronic component, and a top cover covering the bottom cover. The driving module has a rotating shaft adapted for supportively driving an optical disk to rotate. The electronic component generates heat during operation. Through holes are ...