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Match Document Document Title
US20060098554 Chromatic aberration-correcting optical system and optical pickup device using the same  
Provided is a chromatic aberration-correcting optical system which corrects chromatic aberrations in light beams for a high-density recording medium using a large numerical aperture in addition to...
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...
US20080212451 Optical Sound Track Scanner System  
The present invention relates to an optical scanner system for scanning of an optical sound track with a beam of light, comprising a light emitter for emission of a light beam, a device for...
US20090010136 Beam Shaper for an optical storage system  
The present invention relates to a beam shaper and to an apparatus for reading from and/or writing to optical storage media using in such a beam shaper. According to the invention, a beam shaper...
US20060007835 Optical head device, method of manufacturing the same, and optical information recording and/or playback apparatus  
In order to correct specific aberration that occurs within an optical system, a plurality of aberration correction optical elements (4) with differing amounts and/or signs of aberration correction...
US20080084809 Optical head device, aberration correction method and optical information processing apparatus  
An optical head device is provided with a semiconductor laser, an aberration correcting element for transmitting a beam from the semiconductor laser, a light guiding portion for introducing the...
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...
US20080192610 Optical System with 3 Spot Radial Tracking  
The present invention relates to an optical system for reproducing and/or recording on optical record carrier. The system includes light providing means for providing at least: 1) a main beam for...
US20060092814 Aberration compensation element, and optical system and optical device provided with the same  
The optical system of the present invention comprises a three-wavelength hologram module in which a three-wavelength light emitter/photodetector and a hologram are integrated, a collimate lens, an...
US20060140077 Focalizer alignment  
Described here are methods and devices for aligning an optical servo system used with digital storage media. The devices and methods described herein include alignment apparatuses and alignment...
US20100309769 OPTICAL PICKUP  
In an optical pickup, a photo receiving portion for receiving returned light reflected by an optical disc is adhered and fixed to an optical base. The photo receiving portion has a photodetector...
US20080259766 Optical Pickup Actuator and Optical Scanning Device  
An optical pickup actuator for low building height includes a suspended lensholder (101) with a lenssystem (102), focusing (106a, 106b, 106c 106d) and tracking coils (109) and magnets (107a, 107b,...
US20060002278 Spherical aberration corrector, optical pickup unit, and optical disk unit  
A spherical aberration corrector is disclosed that includes a drive part configured to drive an optical element provided in each of multiple optical paths so that the optical elements move in...
US20050083823 Emitted-light checking apparatus for optical pickup  
An emitted-light checking apparatus receives laser beam which has been emitted from a laser diode of an optical pickup subject to check. The laser beam travels through a cylindrical lens provided...
US20080253259 Optical Device With Wavefront Modifier  
An optical device comprises a wavefront modifier for introducing a wavefront modification in a radiation beam. The wavefront modifier comprises a first optical element (110) and a second optical...
US20070242590 OPTICAL SYSTEM FOR OPTICAL DISC DRIVE  
There is provided an optical system for an optical disc drive. The optical system is provided with a light source that emits a light beam, and an objective lens to which the light beam emitted by...
US20090316560 OPTICAL PICKUP AND INFORMATION EQUIPMENT  
An optical pickup (100) includes: an irradiating device (101) for irradiating a laser beam (LB); a first light focusing device (104) for focusing the laser beam on the recording medium (10); a...
US20050265203 Optical pickup unit requiring no phase adjustment  
In an optical pickup unit including a diffraction grating for separating an incident beam from a laser diode into a main beam, first and second sub beams, the diffraction grating separates the...
US20060092813 Optical pickup apparatus and method of combining submount and optical bench of the same  
An optical pickup apparatus and a method of combining a submount and an optical bench of the optical pickup apparatus are provided. The optical pickup apparatus includes an optical bench, a...
US20060114797 Optical pickup device with variable refractive index  
Disclosed is an optical pickup device having a variable refractive index, comprising a radiating element for radiating light beams; an objective lens for focusing the light beams onto an optical...
US20060140071 Objective lens optical part for optical pickup device and focusing method using the same  
The present invention relates to an objective lens optical part for an optical pickup device and a focusing method using the same. The focusing method at least includes the steps of providing a...
US20060018214 Assembly method of optical pickup and optical pickup apparatus  
A method for assembling an optical pickup apparatus for recording/reproducing a high density DVD, DVD and CD including two objective lens and three laser light sources, the objective lenses being...
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...
US20090028033 Objective optical element for optical pickup device, optical element for opitcal pickup device, objective optical element unit for optical pickup device and optical pickup device  
An optical element for optical pickup device is provided with an optical path difference providing structure which provides a substantial phase change to a light flux having a predefined...
US20060126459 Optical pickup device with phase shift mirror  
The present invention relates to an optical pickup device having a phase shift mirror, which universally adopts light sources for recording on and/or reproducing from both CDs and DVDs. In the...
US20080253261 Optical Pickup Having Aberration Correction  
An optical pick-up unit is suitable for scanning a first type of record carrier having a first information density and at least a second type of record carrier, the second type of record carrier...
US20050254400 Optical pickup apparatus including optical system of chromatic aberration correction  
Provided is an optical pickup apparatus which is inexpensive and has sufficient chromatic aberration correction performance, and which includes a chromatic aberration correction optical system...
US20060028960 Optical device for monitor and optical pickup apparatus  
A monitor optical device has a first region and a second region. The first region transmits part of light beam emitted from a light source to introduce the transmitted light beam to a monitor...
US20070121469 HOLOGRAPHIC OPTICAL PICKUP APPARATUS  
Provided is a holographic optical pickup apparatus which can be reduced in thickness and production cost while having a beam shaping unit. To be specific, in a holographic optical pickup apparatus...
US20070263522 Objective lens apparatus, optical pickup apparatus, and optical disc driving apparatus  
An objective lens apparatus is disclosed. The apparatus includes: a first objective lens with a first numerical aperture, which is capable of focusing a laser light on a first optical record...
US20060256696 Optical element, optical pickup device comprising the same, and unnecessary light elimination method  
The optical element comprises a first diffraction structure for generating three beams by diffracting light from a light source and a second diffraction structure that exhibits structural...
US20060092783 Disc drive for an optical scanning device  
The invention relates to an optical disc drive that comprises rotating means, defining a rotating axis for an optical disc, and an optical scanning device, for scanning said optical disc with a...
US20090201786 OPTICAL ELEMENT AND OBJECTIVE OPTICAL SYSTEM  
There is provided an optical element for an objective optical system of an optical information recording/reproducing device. The objective optical system is configured to satisfy conditions:...
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...
US20060256694 Optical system for data storage devices  
An apparatus comprises a moveable arm for positioning an optical transducer adjacent to a storage medium, a light source, and an elliptical or ellipsoid shaped mirror mounted for reflecting light...
US20070147216 Optical pick-up, method of generating aberration for compensation and optical information processing apparatus using the same  
An optical pick-up to perform recording or reproducing for an optical recording medium is disclosed, which includes a light source configured to emit a light beam, an objective lens configured to...
US20090252017 OPTICAL COMPENSATOR FOR USE IN AN OPTICAL SCANNING DEVICE  
An optical compensator for use in an optical scanning device for scanning optical record carriers, there being at least two different information layer depths within two different ones of the...
US20060028956 Optical pickup and information processing device  
An optical pickup 200 is arranged between optical discs 10A and 10B rotatably supported with the recording surfaces 10Aa and 10Ba facing each other, the optical pickup being movable along the...
US20080049581 OPTICAL PICK-UP  
An optical pick-up including a first objective lens having a numerical aperture (NA) suitable for a BD, a second objective lens having an NA suitable for an HD-DVD, a light source to emit light...
US20060072422 Scanning device including an optical filter  
An optical scanning device (1; 100) for scanning an information layer (4) of an optical record carrier (2; 102). The device comprises a radiation source (11; 111) for generating a radiation beam...
US20060023610 Optical pickup device and optical disk device  
An optical pickup device has first emission unit emits first laser beam, second emission unit emits second laser beam whose wavelength is different from that of first laser beam, to same optical...
US20050063285 Optical disc drive and optical pickup  
An apparatus for reading and/or writing data from/on a medium with a light beam includes: a light source for generating the light beam; an objective lens for focusing the beam onto the medium; a...
US20080159111 Optical Pickup Device  
An optical pickup apparatus includes an optical pickup, and a turntable for holding an optical recording medium is placed. A protective cover is arranged between the optical recording medium...
US20050249064 Optical element, objective optical system, optical pick-up apparatus, and drive apparatus of optical disk  
An optical pick-up apparatus comprising: a first light source emitting a the first light flux; a second light source emitting a second light flux; a third light source emitting a third light flux;...
US20060098553 Beam splitter and optical pickup device  
A beam splitter, comprises: a light source light entering side prism to which a light from a light source enters; a reflected light entering side prism to which a reflected light from an...
US20060158991 Reflective optical element and optical pickup including the same  
A rising mirror is constructed by forming on a glass substrate a first region and a second region having different reflection properties. The first region is formed of, for example, an...
US20070253309 Optical disk apparatus and driving method thereof  
An optical disc apparatus records information onto plural disc shaped mediums of different standards or reproduces information from the plural disc shaped mediums. The optical disc apparatus...
US20080056080 Alignment feature for near-field transducers  
An apparatus comprises a lens, an alignment feature positioned adjacent to a surface of the lens, a detector for producing an alignment signal in response to a portion of incident light reflected...
US20050265201 Integrated type light-emitting and light-receiving element, optical pickup device for optical information medium and optical disc apparatus  
An integrated type light-emitting and light-receiving element includes a polarizing hologram and this polarizing hologram introduces returned light into a second photo-detecting unit for detecting...
US20080062848 OPTICAL PICKUP DEVICE AND OPTICAL DISK APPARATUS USING THE SAME  
An optical pickup device includes: a light source that emits a light beam; a divergence-angle converting lens that converts an angle of divergence of the light beam emitted from the light source...

Matches 1 - 50 out of 233 1 2 3 4 5 >