Matches 1 - 50 out of 130 1 2 3 >


Match Document Document Title
US20060028931 Optical head device  
An optical head device includes a laser beam emitting element, a light receiving element, an optical system which guides an emitted light beam from the laser beam emitting element to the optical...
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...
US20070201322 OPTICAL HEAD, METHOD OF MANUFACTURING THE SAME AND OPTICAL RECORD PLAYBACK EQUIPMENT  
Even when binder repeats expansion and contraction by the time progress after a reliability test or mounting, and change of circumference environment, in the offered optical head, a gap of optical...
US20060114770 Disk drive with optical pickup unit  
In order to prevent dust and dirt from entering the inside of an optical pickup unit of a disk drive without use of a special dustproof cover member, the optical pickup unit has a frame slidably...
US20090135683 DRIVE MECHANISM AND OPTICAL HEAD  
A drive mechanism according to the present invention includes: a drive body that defines a longitudinal direction; a mover that makes a friction fit with the drive body so as to slide in the...
US20050152238 Optical writing and reading device  
An optical writing and reading device includes: a base; a main shaft holder fixed to the base; a main shaft supported by the main shaft holder; a pickup base supported by and moving along the main...
US20080137491 Optical disk drive with defocus-prohibited device  
An optical disk drive with a defocus-prohibited device comprising: a frame; a cover disposed on the frame; a disk-rotating device disposed at an end of the frame; two guiding rods disposed at...
US20070014204 Optical head and optical pickup device  
An optical head comprises a laser holder retaining a laser diode, and a holder support retaining the laser holder, and irradiates an information storage medium with laser light from the laser...
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...
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...
US20080192588 Biochip Analysis System And Diagnosis Having Biochip Analysis Apparatus  
The present invention relates to a biochip readout device for analyzing and reading out biochips in a rotation manner such that a biochip having been adopted in a non-rotation manner is mounted on...
US20070121434 Actuator for a scanning device for scanning optical discs  
The invention relates to an actuator for a scanning device for scanning optical discs which has a focus lens fixed in a lens holder and a damper base permanently connected to a support. The...
US20070147196 OPTICAL INFORMATION PROCESSING DEVICE  
An optical information processing device, configured to perform operations of reading and writing information on an optical disk, includes a light source configured to emit a laser beam, an image...
US20150117172 OPTICAL PICKUP  
An optical pickup includes a pair of first tracking coils near the center of the lens holder in the tracking direction on one side of the holder; a pair of first magnets facing the first tracking...
US20080025163 Optical disc drive apparatus and servo control method for optical disc drive apparatus  
An optical disc drive apparatus may include an optical pickup that moves along a transportation shaft provided along a radial direction of an optical disc and picks up reflected light after...
US20060072388 Pivoting optical device  
Pivoting optical device comprising a first part (15) and a second part (17) with optical means which is pivotally movable relative to the first part about a first pivot axis (19), said optical...
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...
US20060072387 Small optical disk drive  
The invention relates to an optical disk drive, which can be built very small. In order to solve cooling problems and collecting light reflected from the disk with maximum efficiency an optical...
US20070268793 Optical recording medium drive and optical pickup  
An optical recording medium drive allows a support body to define a hollow space having the inner end and the outer end defining an optical opening. The hollow space is surrounded by the inside...
US20080123202 Actuator For An Optical Scanner  
The present invention relates to an actuator for a scanner for optical storage media, and to an appliance for reading from and/or writing to optical storage media which uses an actuator such as...
US20060087929 Optical disk drive using one dimensional scanning  
A system for optical scanning along one line with fast random access and high optical resolution, composed of: a plurality of first lenslets (240) constructed for use with a selected media format...
US20060104165 Pickup head feeding apparatus  
An apparatus for feeding a pickup head in a radial direction of a disk includes a guiding device, a driving source, a feeding screw, a connecting base, and an elastic member. The guiding device...
US20050254358 Heat radiating structure of a digital camera  
A heat radiating structure of a digital camera includes an optical system holder which holds an image-forming optical system; an image pickup device supported by the optical system holder; an...
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...
US20080080334 Optical pickup actuator capable of preventing adhesive agent in supporting portions of a damper base from deteriorating in strength  
An optical pickup actuator has an objective lens holder which holds an objective lens and on which at least tracking coils and a focusing coil are mounted and a damper base for swingably...
US20060104166 Combination of lens and lens holder and optical pickup unit having the same  
This invention provides a combination of an optical element and a holder for holding the optical element and an optical pickup unit including the combination. The optical pickup unit used in an...
US20080186811 Device And Method For Controlling Disc Runout In An Optical Disc Drive System  
A device for controlling disc runout in an optical disc drive system (10) is described, comprising a rotatable support (12) having a rotation axis (16), the support (12) being arranged to hold a...
US20070014205 Objective lens holding device and usage thereof  
The present invention relates to an objective lens holding unit which allows for accurate information reading and writing. In order to make it possible for a read/write device including an...
US20080159088 Tracking A Position In Relation To A Surface  
A tracking device is provided for tracking a position of the tracking device in relation to a surface. The tracking device has a first optical sensor to capture a primary image of the surface. A...
US20070095806 Method of bonding optical component, and optical pickup  
A light source (2) and a connection base (1) are held with a predetermined gap, solder paste melted by the thermal energy of laser light is fed into the gap, and the light source (2) and the...
US20080068939 OBJECTIVE LENS ACTUATOR, DIFFRACTIVE OPTICAL ELEMENT, AND OPTICAL PICKUP DEVICE  
An objective lens is directly fixed to one surface of a lens holder. Driving coils that generate focusing thrust and tracking thrust are provided in the lens holder, which is elastically supported...
US20060193219 Diffraction grating, optical pickup device, and optical disk apparatus  
An optical pickup device is provided which reduces variations in amplitude of a tracking error signal in a seek operation due to an installation error of the optical pickup device onto an optical...
US20060280060 Objective-lens driving device  
A lens holder is configured by coupling an upper piece and a lower piece. First bobbin portions around which respective tracking coils are wound are provided in one of the upper and lower pieces,...
US20070019514 Lens driving and optical pickup device  
The lens driving device according to the present invention concentrates a light beam emitted by a light source and reflected by a mirror onto a recording layer of a recording medium by use of an...
US20050276204 Objective lens drive unit in an optical head  
An objective lens drive unit in an optical head includes a lens holder mounting thereon an objective lens, a sheet coil unit including a focusing coil and a tracking coil, and a pair of liquid...
US20060077780 Optical pickup unit and optical disc drive having the same  
An optical pickup unit comprises an objective lens driving device including an objective lens holder, a damper base, and a yoke for forming a magnetic circuit together with coils. The optical...
US20050265137 Disc drive apparatus  
A disc drive apparatus (1) comprises a sledge (10) radially displaceable with respect to an apparatus frame (3); a platform (20) radially displaceable with respect to said sledge (10); a...
US20050002284 Optical head device and coil manufacturing apparatus  
An optical head device includes a lens holder holding an objective lens and a magnetic drive mechanism for driving the lens holder in a tracking direction and a focusing direction. The magnetic...
US20080205209 OPTICAL DISC DEVICE  
The invention provides an optical disc device conducting highly accurate skew adjustment, avoiding an increase in the number of components, and achieving downsizing. This optical disc device...
US20070127324 Optical disc apparatus  
An optical disc apparatus includes a main guide shaft and a subsidiary guide shaft disposed so as to guide movement of a sliding base which holds an optical pickup. The optical pickup enables...
US20050286355 Optical pickup, apparatus and method for assembling lens  
An optical pickup and a lens assembling apparatus and a method thereof are provided. The optical pickup includes a plurality of objective lenses and a lens holder. The lens holder has a plurality...
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...
US20080112279 LENS DRIVE APPARATUS  
A lens drive apparatus for use in an optical pick-up apparatus, in which a bending mirror reflects an incident light flux from a light source and an objective lens converges the reflected light...
US20070286035 REFLECTING APPARATUS  
A reflecting apparatus includes a first actuator to position a mirror and a second actuator to deform the mirror. The second actuator includes a magnetic member attached to the mirror, and an...
US20070104043 Objective lens driving device for optical recording media and device having the objective lens driving device  
The invention refers to a pickup for optical recording media having an actuator for focus and tracking control where, in order to avoid unwanted torque components being generated when magnets...
US20080316877 Control Method for an Optical Drive with Different Bandwidths  
The present invention discloses a method for controlling the position of a radiation beam on an optical carrier (1), e.g. a CD, a DVD, a HD-DVD or a BD disc, in an optical drive. Initially, the...
US20080062824 Optical Head with a Variable Optical Component  
An optical head (10) using a variable optical component (10), which component comprises bendable nano-elements (3) that can be switched between a bent and non-bent state by means of a driver-field...
US20050265155 Optical disc apparatus  
An optical disc apparatus has a disc motor which rotates an optical disc, a pickup which has a laser element driven by a drive current and irradiates the optical disc with a laser beam, a...
US20070274169 Actuator For Optical Pickup  
An actuator capable of providing movement forces in a first direction, a second direction, and a third direction is provided. The actuator includes two sets of repelling permanent magnets and...

Matches 1 - 50 out of 130 1 2 3 >