Matches 1 - 50 out of 54 1 2 >


Match Document Document Title
US20060077779 Optical pickup device with elastic member  
An optical pickup device with elastic member, the device comprises a driver, a gear, a rack, an optical head, a guide bar and an elastic member. The gear associated with the driver is rotated by...
US20050195702 Yoke plate for optical pick-up actuator, combination structure of yoke plate with suspension PCB, and optical pick-up actuator including the same  
Disclosed herein are a yoke plate for optical pick-up actuators, a combination structure of a suspension PCB and a yoke plate, and an optical pick-up actuator comprising the structure. The yoke...
US20130107683 OBJECTIVE LENS HOLDER, OBJECTIVE LENS DRIVING DEVICE AND OPTICAL PICKUP APPARATUS  
Provided are an objective lens holder and the like which prevent a wire formed into tracking coils from being loosened. Tracking coils are respectively attached to bobbins provided to sidewalls of...
US20050195703 Objective lens drive device and optical head device provided with the same  
An objective lens drive device includes an objective lens, a lens holder having a lens holding part for holding the objective lens on one side end part of the lens holder, a focusing and tracking...
US20070171775 Objective lens driving device  
An objective lens driving device include: a lens holder, which holds an objective lens that converges light of a light source so that information is recorded or reproduced; and bar-like elastic...
US20060291344 Yoke and objective lens actuator having same  
An objective lens actuator includes a base, a suspension apparatus mounted on the base, a holder for holding an objective lens, the holder suspended by the suspension apparatus, and a voice coil...
US20060077781 Objective lens driving device settled within a height limit of an optical pickup unit  
In an objective lens driving device of a symmetry type having an object lens, an objective lens holder for holding the objective lens, and a damper base apart from the objective lens holder in a...
US20050128894 Optical pickup actuator  
The present invention relates, in general, to an optical pickup actuator and, more particularly, to an optical pickup actuator, in which a depression (120) is formed in a center portion of a rear...
US20050146999 Objective lens driving device enabling speed-up of optical disk drive  
In an objective lens driving device having a lens holder which is movable and holds an objective lens, coil devices are disposed around the objective lens and held by the lens holder. Around the...
US20080037385 Objective-lens driving apparatus and optical pickup and optical recording and reproducing apparatus for using same  
The objective-lens driving apparatus is provided with a yoke base, a lens holder provided on the yoke base, the objective lens provided to the center of the upper part of the lens holder,...
US20050024997 Optical recording disk device and manufacturing method therefor  
An optical recording disk device includes an optical head mechanism provided with an optical system for converging an emitted light beam from a light source on an optical recording disk, a frame...
US20050190662 Read/write head for optical disk drive and optical disk drive comprising such a read/write head  
A read/write head for a optical disk drive, comprises a lens holder (8), a support frame (11 12, 16), means (15) for suspending the lens holder (8) in the support frame which means constrain...
US20050185533 Actuator, optical pickup device, and optical disk apparatus  
Optical disk apparatus technology is disclosed for preventing the generation of media tilt even when thrust forces generated by focusing coils of an actuator may vary, and accurately driving an...
US20050188394 Optical pick-up apparatus with lenses  
There is provided an optical pick-up apparatus with a plurality of lenses, in which an actuator is carried to place a specific lens of a lens holder on an optical axis. In the optical pick-up...
US20050018553 Supporting member for an optical pick-up actuator, and optical pick-up actuator and optical recording/reproducing apparatus using the same  
A supporting member, an optical pick-up actuator that employs a plurality of supporting members, and an optical recording and/or reproducing apparatus using the optical pick-up actuator. The...
US20070242573 Optical system driving device  
An optical system driving device, includes: a carriage on which an objective lens is mounted; a guide for slidably supporting the carriage to guide the carriage in a tracking direction; at least a...
US20090310448 OBJECTIVE LENS ACTUATOR  
In an objective lens actuator of an optical disk drive and the like, variations in the fixed end positions of wires serving as suspensions are reduced and tilt characteristics are improved....
US20110103203 Actuator for pickup, pickup device, recording medium drive device, and method of manufacturing actuator for pickup  
Provided is an actuator for a pickup, in which end parts of a plurality of suspensions (550A to 550F) of five or more are positioned on a virtual circle (X) formed on a plane by being projected...
US20060072386 Actuator apparatus for optical pickup having tilt control  
An actuator has a moving portion including an objective lens, an objective lens holding cylinder, a focus coil, and a tracking coil, a first magnetic circuit for driving the focus coil, a second...
US20060077783 Light-emission and reception module for optical pickup and optical pickup  
In a light-emission and reception module for use in an optical pickup, a polarization beam splitter transmits an outgoing laser beam from the laser-emitting element and reflects, as a reflected...
US20070171776 Objective lens driver, method of manufacturing objective lens driver, optical pickup device and optical disk apparatus  
An objective lens driver includes: a lens holder, for holding an objective lens; a first focusing coil, for moving one end of the lens holder in the focusing direction; a second focusing coil, for...
US20050013213 Objective lens driving apparatus for an optical head  
An objective lens driving apparatus for an optical head is disclosed which exerts a high thrust in focusing and radial directions with reduced power consumption and suppresses vibration by a...
US20050141364 Objective lens drive device and optical head device provided therewith  
An objective lens drive device includes an objective lens, a lens holder holding the objective lens, a fixed side member supporting the lens holder with a plurality of wires in a movable manner, a...
US20050041540 Optical pickup and disc drive  
In order to ensure favorable sensitivity at the time of tilt driving and realize reduction in size, there is provided an optical pickup and a disc drive having therein an optical lens drive...
US20070274170 Suspension in an Actuator for Displacing a Lens Holder  
An actuator for moving a lens having an optical axis (41), which actuator comprises a stationary section (102), a movable section (104) provided with the lens (45), and an electric driving means...
US20080056101 Optical pickup  
An optical pickup includes a first objective lens, a second objective lens having a numerical aperture different from that of the first objective lens, and an objective lens holder. The first...
US20050259526 High sensitivity actuator for an optical pick-up head  
An actuator for an optical pick-up head performs high sensitivity of tracking and focusing. The sensitivity of the optical pick-up head is increased by changing the magnetic arrangement of a first...
US20060114769 Lens holding system, optical pick-up device, and recording/reproducing device  
In a lens holding system of the present invention, at least two lens protection sections protruding from a surface of a lens holding section are provided, which surface faces the optical recording...
US20050147000 Actuator for optical pickup, optical pickup, and optical recording/reproducing apparatus employing the same  
An optical pickup actuator having: a moving part on which an objective lens to focus an incident beam onto an optical recording medium is mounted, a magnetic driver that drives the moving part in...
US20060077785 Objective lens carrier structure for optical pickup head  
A lens-carrier structure, which is disposed between at least two magnetic generators of an optical pickup head, comprises an objective lens, a plate and a focusing coil. The plate comprises a...
US20070223325 Optical disk apparatus  
There is provided a compact optical disc apparatus having a small footprint actuator. A tracking coil of a swing arm-type actuator is disposed substantially perpendicular to an arm and on the...
US20050286356 Optical pickup actuator  
Provided is an optical pickup actuator. The optical pickup actuator includes: a lens holder for holding an object lens; a focusing coil disposed at the lens holder; a tracking coil disposed at the...
US20050281148 Optical disk apparatus employing high-NA objective lens  
Protecting member is provided on lens-holding member to protrude toward optical disk more than objective lens. Further protecting member is prevented from contact with cover layer, even when...
US20050276171 Pickup device and recording medium drive unit  
The pickup device includes: a fixed portion 11, a movable portion 12 movable in a tracking direction and a focus direction; linear resilient members 12A through 13D (Translator's comment:...
US20070091739 Optical pickup device and optical disk drive  
An advantage of the present invention is that it provides an optical pickup device including a first condensing member that condenses light from a first light source; a second condensing member...
US20070104044 Optical pickup actuator  
An optical pickup including a moving unit including a lens holder on which an objective lens is positioned, a set of suspension wires to movably support the lens holder on a base of the optical...
US20070253296 OPTICAL PICKUP UNIT AND OPTICAL DISC APPARATUS  
An optical pickup unit is disclosed which comprises: an objective lens that focuses laser light on an optical disc; a lens holder that holds the objective lens; a coil that is fitted on the lens...
US20070263495 Objective Lens Driving Apparatus  
An objective lens driving apparatus comprising: an actuator movable unit that is configured such that a driving coil is mounted on a lens holder with an objective lens, and is supported on an...
US20090323479 Optical pickup  
An optical pickup has a lens actuator, at least one suspension wire having a first end and an opposite second end, the lens actuator being held by the wire at the first end, and a support base to...
US20070127327 Objective lens actuator and information recording/playback apparatus  
An objective lens actuator according to the present invention includes: an objective lens; a lens holder that fixes the objective lens; a pair of tracking coils; a pair of radial tilt coils; a...
US20090116345 Objective Lens Actuator  
An objective lens actuator in an optical pickup, having a semiconductor laser diode, electro-optic parts, such as a lens or the like, as well as, the objective lens actuator, etc., in a case,...
US20070253297 Optical pickup and optical disk apparatus  
An optical pickup includes a lens holder holding an objective lens for converging a light beam on a signal recording layer of an optical disk; elastic support members supporting the lens holder...
US20070147197 Objective lens actuating apparatus of optical read/write head  
An objective lens actuating apparatus is provided for an optical read/write head. The apparatus includes a base; a lens holder floating over the base; an objective lens, fixed on the lens holder;...
US20080310261 OPTICAL PICKUP AND OPTICAL DISK APPARATUS  
An optical pickup includes: a base; a lens holder that is provided on the base to hold an objective lens which collects a light beam emitted from a light source and applies it onto an optical...
US20050128895 Optical head and optical disc apparatus equiped with optical head  
Disclosed is an optical head comprising a light source for emitting a light beam having a predetermined wavelength, a light source driving part for driving the light source, a monitor light...
US20050281145 Optical pickup and optical disk apparatus  
A lensholder has one focus coil and two tracking coil. The lensholder has an accommodation recess portion accommodating an objective lens. A layer having thermal conductivity is provided between...
US20070211583 Apparatus for accessing moving storage media and method of manufacturing the apparatus  
The invention refers to a pickup for moving storage media having a movable part movable in a 2D plane of motion where smaller airgaps between magnets and coils on a flat carrier are achieved by...
US20080005755 ACTUATOR OF OPTICAL PICKUP HEAD  
The actuator comprises of two magnetic elements, four metallic wires, a lens holder located between the two magnetic elements for holding a lens, and a planar coiling device affixed on the lens...
US20090316538 Optical Disc Apparatus  
An optical disc apparatus comprises an overcurrent detector and when the overcurrent detector detects an overcurrent during a recording operation or a reproduction operation and during an...
US20050259527 Optical component triaxial actuator and recording/reproducing apparatus using the same  
A first magnetic pole surface having N and S poles neighboring in a focus direction and a second magnetic pole surface having N and S poles neighboring in a tracking direction are formed on the...

Matches 1 - 50 out of 54 1 2 >