Matches 1 - 28 out of 28


Match Document Document Title
US20130205309 PHOTODECTOR UNIT, OPTICAL PICKUP INCLUDING THE PHOTODECTOR UNIT, AND OPTICAL SYSTEM INCLUDING THE OPTICAL PICKUP  
Provided is a photodetector unit including a photodetector integrated circuit (PDIC). The photodetector may reduce a height of a conventional optical pickup by improving the input/output terminals...
US20060248551 Single motor connected to an optical pick up unit and an optical print head  
This invention relates to an optical disk writing and printing apparatus comprising; a motor operatively connected to an optical pickup unit and an optical print head such that the motor is...
US20090138901 OPTICAL PICKUP, OPTICAL ELEMENT, OPTICAL INFORMATION DEVICE, COMPUTER, OPTICAL INFORMATION MEDIUM PLAYER, CAR NAVIGATION SYSTEM, OPTICAL INFORMATION MEDIUM RECORDER AND OPTICAL DISK SERVER  
An optical pickup includes: a laser light source which outputs an divergent beam having an elliptical far-field pattern; a beam shaping element having at least one cylindrical plane and which...
US20120246665 Optical Pickup Assembly  
An optical pickup assembly that has flexible beams that support an objective lens for adjustment in a focusing direction and a tracking direction. The flexible beams are used to support and move...
US20050005280 Optical disc drive with elastic dampeners  
An optical disc drive (99) includes a frame (2); a U-shaped subframe (4) pivotably mounted on the frame; a slider (3) slidably mounted on the frame for making the subframe pivot; a drive unit (5)...
US20060005216 Transducer assembly for thermally assisted writing and read back in data storage devices  
A transducer assembly for a data storage system comprises a first transducer for directing electromagnetic radiation onto a storage medium adjacent to a write pole, and a second transducer for...
US20050108740 Movement for disk player  
A movement for disk player is constructed to a disk read head, a read head moving mechanism, a disk driving motor, a ferrite substrate for disk driving motor, and a driving motor control circuit...
US20150187382 OPTICAL DISK DEVICE  
An optical disk device includes an optical pickup unit including a first shaft receptor and a second shaft receptor, a driver that slides the optical pickup unit in a first direction, a main shaft...
US20050108741 Disc drive or player for reading double-sided optical discs  
A double-sided optical disc, such as a DVD-18 disc, is formed with data tracks on each layer. The tracks on one side are oriented along one spiral while the tracks on the other side are oriented...
US20050240952 Lens driving device for optical read and/or write system and optical read/write system  
A lens driving device (1) or an optical read and/or write system comprises a mechanical structure (3) with an objective lens (2) and an actuator (4, 4′, 6) for controlling the lens position. The...
US20140325536 OBJECTIVE LENS DRIVING UNIT AND OPTICAL DISC DRIVE USING THE SAME  
Provided is an objective lens driving unit in which a wire holder is coupled to a circuit board. In a conventional objective lens driving unit, a connection between a wire holder and a circuit...
US20090064215 Power transmission member for head movement mechanism, and disk device equipped with the head movement mechanism  
A power transmission member is provided with which it is possible to lessen the impact force produced when the head of a disk device hits part of a base member or the like. The power transmission...
US20130081069 DRIVING CIRCUIT FOR STEPPING MOTOR  
A stepping-motor-driving circuit for an optical pickup: includes a control-signal-generating circuit to generate a plurality of control signals for supplying driving currents to driving coils...
US20110265105 OPTICAL COLLIMATOR ASSEMBLY AND OPTICAL PICKUP DEVICE INCLUDING THE SAME  
An optical collimator assembly used in an optical pickup device and an optical pickup device are provided. The optical collimator assembly may include a collimating lens, a lens holder for...
US20070283371 Optical disc apparatus, a method of performing an optical power study of an optical disc apparatus, and a method of detecting a writing power of an optical disc apparatus  
An optical disc apparatus and a method of performing an optical power study and detecting writing power in the optical disc apparatus. An optical pickup includes a light source to emit a laser...
US20080244631 OPTICAL READ/WRITE DEVICE  
According to one aspect, an optical read/write device for reading and/or writing an optical disk includes a rack disposed between the worm gear and the optical pickup head for transferring motion...
US20060117332 Optical pick-up  
Provided is a reliable optical pick-up which can prevent deterioration of a performance of a component, shortening of a service life or malfunctioning due to heat generation of an laser driver IC,...
US20110307909 METHOD FOR REDUCING A NUMBER OF INPUT TERMINALS OF AN AUTOMATIC POWER CONTROL CIRCUIT, AND ASSOCIATED AUTOMATIC POWER CONTROL CIRCUIT  
A method for reducing a number of input terminals of an APC circuit is provided, where the APC circuit is arranged to control an optical pickup unit (OPU) within an optical storage device. The...
US20070226759 OPTICAL ELEMENT FEEDING DEVICE AND OPTICAL PICKUP UNIT USING THE SAME  
In an optical element feeding device and an optical pickup unit using the same, in order to make the device compact and light and achieve a stable operation, the device has a main shaft and a sub...
US20130014135 OPTICAL DISC DRIVING DEVICE AND WIRING STRUCTURE  
An optical disc driving device having a metallic exterior casing and an internal unit to be housed in the exterior casing, the internal unit further including an optical pickup unit for performing...
US20060136951 Optical head capable of recording and reproducing information on any one of a plurality of kinds of optical information recording medium and optical information recording and reproducing apparatus using the same  
An optical disc apparatus compatible with both BD and HD-DVD specifications and also compatible with DVD and CD. An optical head has a first light source for emitting light having a first...
US20050177841 Disk apparatus  
Disks recorded in a same format are normally read at a same speed, even during playback of an audio video or the like, and during copying on a hard disk drive or the like. Because of this, when...
US20090249378 Information processing device and method, program, and recording/reproducing device  
An information processing device includes: a correction coefficient holding unit configured to hold a correction coefficient which is a ratio between the position of a control target at a start...
US20100162280 CASCADED CONTROL OF A PICK-UP HEAD FOR MULTI-LAYER OPTICAL DATA STORAGE  
A system and method of controlling position of a pick-up head of an optical drive, including manipulating the position of the pick-up head as a primary variable in a cascade control scheme, and...
US20160284376 OPTICAL DISC APPARATUS AND CONTROL METHOD THEREOF  
An optical disc apparatus is disclosed. The optical disc apparatus includes: a driver configured to rotate an optical disc having a recording surface for data; an optical pick-up configured to...
US20160042756 OPTICAL INFORMATION PLAYBACK DEVICE AND ADJUSTMENT METHOD  
The objective of the present invention is, using an optical system which performs adjustment, to allow a reference beam optical system to be adjustable with high accuracy. The present invention is...
US20140245333 APPARATUS AND METHOD FOR FOCUSING A LASER BEAM ON AN OPTICAL DISC  
Provided are a method and apparatus for focusing a laser beam on an optical disc. According to various aspects, the apparatus may include an objective lens which has a numerical aperture below...
US20110161994 OPTICAL DISC DEVICE AND CONTROL METHOD OF OPTICAL DISC  
An optical disc device comprising: a controller for reading data from an optical disc having a plurality of recording layers, wherein: the controller, in shifting a focus of the laser light from a...

Matches 1 - 28 out of 28