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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...
US20140211603 Optical Pickup Assembly Having Optical Pickup Units Laterally Arranged Across a Tape Path  
An optical pickup assembly includes a first optical pickup unit (OPU) and a second OPU. The OPUs are either stacked on each other in separate housings or integrated together in a common housing...
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...
US20080080357 Objective lens element with peripheral diffraction structure and central phase step structure for optical disks and optical head device incorporating the same  
An objective lens records information on, or read information from, a first optical medium by utilizing a first light beam which convergences on the first optical medium at a first numerical...
US20110149711 COMA ABERRATION COMPENSATING DEVICE, COMA ABERRATION COMPENSATING METHOD, AND OPTICAL DISC  
A method for compensating the coma aberration in a pickup of a recording and reproducing device that records or reproduces data on or from an optical disc using the pickup is provided. The method...
US20090213717 METHOD OF ADJUSTING INCLINATION OF OBJECTIVE LENSES, METHOD OF PRODUCING OPTICAL PICKUP, DEVICE FOR ADJUSTING INCLINATION OF OBJECTIVE LENSES, OPTICAL PICKUP COMPONENT, OPTICAL PICKUP, AND OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE  
A method of adjusting the tilt of objective lenses in an optical pickup having a plurality of light sources, an optical pickup component with a plurality of objective lenses which converge light...
US20100085861 LENS SYSTEM FOR SCANNING DEVICE  
A lens system includes a lens (18) and a non-periodic phase structure (16). A temperature-dependence of the spherical aberration of the lens is compensated by a temperature dependence of the...
US20090073856 OPTICAL HEAD WITH DIFFUSER STRUCTURE  
An optical head for reading an object includes a hollow housing, a light source module, a diffuser structure and a light sensing module. The light source module is fixed in the hollow housing and...
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...
US20110242959 LAMINATED WAVE PLATE AND OPTICAL DEVICE USING THE SAME  
[Problems to be Solved] To obtain a laminated quarter-wave plate having a bandwidth of a plurality of wavelengths to be a phase difference of 90 degrees broadened [Means to Solve the Problem] A...
US20090323504 OPTICAL PICKUP AND PRODUCTION METHOD THEREOF  
An optical pickup includes an actuator having an objective lens and an optical base on which the actuator is supported. The actuator includes a yoke having an opening, a first straight section and...
US20090196151 OPTICAL PICKUP DEVICE, OPTICAL PICKUP CONTROLLER AND OPTICAL PICKUP CONTROL METHOD  
An optical pickup device such that the driving force of the drive unit provided on the same optical base as that of the objective lens exerts no adverse influence on controlling of the objective...
US20090245070 Suspension Arm Actuator For an Optical Scanning Device  
The invention relates to a suspension arm actuator for an optical scanning device, comprising a suspension arm designed as a two-arm lever and allocated to an optical recording carrier. The...
US20080080356 Optical pickup unit capable of preventing a PD flexible printed circuit board from peeling from a main surface of an OPU circuit board  
In order to prevent a PD flexible printed circuit board from peeling from a main surface of an OPU circuit board, a peeling preventing arrangement fixes the PD flexible printed circuit board to...
US20110317539 Objective Optical Element and Optical Pickup Device  
Provided is an objective optical element which can appropriately correct degradation from spherical aberration upon fluctuation of a light source wavelength while maintaining light use efficiency,...
US20070253312 Optical Storage Interface Aparatus  
In an optical storage interface apparatus, a spot-forming lens projects a light spot on an optical information carrier in response to a light beam from a light source. There is an air gap (AG)...
US20090046562 LIGHT SOURCE UNIT, OPTICAL DETECTOR UNIT, OPTICAL PICKUP DEVICE, AND OPTICAL DISK DEVICE  
A light source unit comprises a plurality of light sources emitting a plurality of light beams. A plurality of volume hologram elements are provided for the plurality of light sources...
US20060203692 Optical pickup apparatus and objective optical unit  
An optical pickup apparatus includes: a first light source for emitting a first light flux; a second light source for emitting a second light flux; a third light source for emitting a third light...
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...
US20060280102 Optical disk drive with micro-SIL  
A small form factor optical disk drive is provided that incorporates a SIL/objective lens assembly. A laser for the small form factor optical disk drive has a coherence function having maxima...
US20130003518 OPTICAL PICKUP DEVICE AND METHOD OF MANUFACTURING THE SAME  
Provided is an optical pickup device capable of preventing a soldering work from physically damaging any part of a housing of the optical pickup device. In the optical pickup device to be...
US20080198727 Optical Pickup Unit for a Desk Drive and Disk Drive Comprising Such an Optical Pick up Unit  
An optical pickup unit for an optical disk drive, comprises a lens holder (27) including a lens having an optical axis, suspension wire members (33-36) suspend the lens holder (27) in a support...
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...
US20090040906 SIL NEAR-FIELD SYSTEM  
A solid immersion lens (SIL) near-field system including: a radially polarized beam generator to generate a radially polarized beam; an SIL; an objective lens to focus the radially polarized beam...
US20090316543 OPTICAL PICKUP, OPTICAL INFORMATION REPRODUCING APPARATUS AND OPTICAL INFORMATION REPRODUCING METHOD  
An optical pickup includes: a light source that emits first light; an objective lens that condenses the first light and allows it to irradiate a track having formed therein a recording mark for...
US20090147659 OBJECTIVE LENS UNIT, OPTICAL PICKUP, AND OPTICAL INFORMATION DEVICE  
An objective lens unit according to the present invention includes a first objective lens 41; and a first lens holder 2 for supporting the first objective lens 41. The first lens holder 2 is...
US20090290477 OPTICAL DISK REPRODUCING DEVICE  
An optical disk reproduction apparatus according to the present invention is an optical disk reproduction apparatus capable of reading information from the NBCA of an optical disk 101 having an...
US20050068881 Optical pick-up system, optical pick-up device, and optical information recording and/or reproducing apparatus  
An optical pick-up system comprising: a first light source for projecting a first light flux having a wavelength of not more than 450 nm; a second light source for projecting a second light flux...
US20090040905 Objective lens driving device, control circuit, optical disc device and objective lens driving method  
An objective lens driving device includes an objective lens holder 2 that holds an objective lens 1, plural elastic supporting members 6A through 6F that support the objective lens holder 2,...
US20080175129 OPTICAL PICKUP, OPTICAL DISC APPARATUS, INTEGRATED COUPLING LENS, INTEGRATED PRISM, AND OPTICAL INFORMATION EQUIPMENT  
An optical pickup is provided for directing a blue-violet laser beam to access a first information recording medium covered with a first transparent substrate or a second information recording...
US20100315933 OPTICAL PICKUP DEVICE AND TEMPERATURE CHARACTERISTICS CORRECTION METHOD FOR OBJECT LENS  
In an optical pickup device 1 and a temperature characteristics correction method for an object lens, structure is employed in which a prescribed temperature recognition operation is performed on...
US20120127841 PICKUP DEVICE AND OPTICAL DISC DRIVE ADOPTING THE SAME  
Provided are a single beam optical pickup device and a disc drive including the optical pickup device. The optical pickup device includes a light controlling device that prevents or limits stray...
US20090196152 QUARTER-WAVE PLATE, AND OPTICAL PICKUP DEVICE  
A quarter-wave plate includes a base member including a ridge and trough periodic structure with a structural period of λmin/2
US20070217316 Manufacturing method of an objective lens for an optical pickup apparatus and the optical pickup apparatus  
A method of manufacturing an optical pickup apparatus, comprising steps of selecting one type objective lens from plural types of objective lenses different in specification of respective optical...
US20110170400 LAMINATED HALF-WAVE PLATE, POLARIZING CONVERTER, POLARIZED LIGHT ILLUMINATION DEVICE AND LIGHT PICKUP DEVICE  
First and a second wave plates using quartz crystal having birefringence are laminated together in such a manner that their optical axes intersect to form a laminated wave plate functioning as a...
US20090268587 OPTICAL PICKUP  
An optical pickup, having an optical pickup housing made of resin, for maintaining the heat radiation performance or capacity of a semiconductor laser, also an objective lens driving mechanism,...
US20110158077 CONNECTION STRUCTURE OF FLEXIBLE PRINTED CIRCUITS AND OPTICAL PICKUP DEVICE  
In connecting flexible printed circuits, a structure with improved connection strength of the connection portion is provided. In this structure in which a first flexible printed circuit and a...
US20050105447 Optical pickup device and optical system used for the same  
An optical pickup device includes an objective optical element through which light fluxes respectively with wavelengths λ1, λ2 and λ3 pass and a divergent angle-converting element that causes...
US20090129240 GAP CONTROLLER AND OPTICAL INFORMATION PROCESSOR  
A gap controller according to the present invention can set a reference level reasonably for a gap control that needs to be done to keep the gap between a solid immersion lens (SIL) and an optical...
US20080205249 COMPATIBLE OPTICAL PICKUP AND OPTICAL INFORMATION STORAGE MEDIUM SYSTEM EMPLOYING- THE SAME  
An optical pickup compatible with different types of optically recorded media and an optical recording and/or reproducing system employing the compatible optical pickup, the compatible optical...
US20110102746 HALF-WAVE PLATE, OPTICAL PICKUP DEVICE, POLARIZATION CONVERSION ELEMENT, AND PROJECTION DISPLAY DEVICE  
A half-wave plate includes a single crystal plate made of an inorganic material having a birefringent property and rotatory power, wherein a polarization plane of linearly polarized light entering...
US20090190449 OPTICAL HEAD TRANSFER DEVICE, INTEGRATED CIRCUIT FOR OPTICAL HEAD TRANSFER DEVICE, FOCUSING LENS DRIVING DEVICE, AND INTEGRATED CIRCUIT FOR FOCUSING LENS DRIVING DEVICE  
When transferring an optical head in a radial direction of an optical disc, the optical head is initially transferred with a speed profile of a larger acceleration, and when abnormality is...
US20070263523 Objective lens optical system and optical pickup optical system  
The present invention aims at focusing a light beam on each of a plurality of kinds of optical recording media having different thicknesses of transparent substrates with a suitable wave-optic...
US20100322061 OPTICAL PICKUP DEVICE  
There is provided a low-cost and reliable optical pickup device, wherein an objective lens is in contact with an adhesive at least one or more portions and fixed to the adhesive and also the...
US20080205248 Optimization Spherical Aberration to Determine Current Layer  
A spherical aberration correction mechanism is optimised early in the start-up process by measuring responses for various settings of the spherical aberration correction device that are removed...
US20090097378 DATA TRANSMISSION OPTICAL DEVICE COMPRISING A SOURCE EMITTING A LASER BEAM  
The present invention relates to a data transmission optical device including a source emitting a laser beam for transmitting the data toward an optical sensor. The device has means for...
US20090252022 Method of Manufacturing Synthetic Resin Lens, Method of Manufacturing Reformed Synthetic Resin Material and Optical Pickup Apparatus  
A method of manufacturing a synthetic resin lens, comprising: adjusting a degree of change in transmittance of a lens member made of synthetic resin for a blue violet laser beam with accumulated...
US20090245071 OPTICAL DISC DEVICE AND MEDIA TYPE DETERMINATION METHOD  
A device includes: an objective lens that serves as a lens having a first numerical aperture when a first optical beam corresponding to a first optical disc converges on the first optical disc...
US20060077791 Objective lens element and optical pickup device provided with its object lens element  
An optical pickup device has an optical source 101 for emitting an optical beam, an objective lens element 103 positioned to receive the optical beam for focusing the beam on a medium 104, wherein...
US20090034400 Objective lens actuator and optical pickup device including the same  
An objective lens actuator includes a lens holder which holds an objective lens. A collision preventing portion which prevents collision of the objective lens and an optical disc and a cleaning...