|
Match
|
Document |
Document Title |
|
|
7453788 |
Optical head, optical information recording/reproducing apparatus, computer, video recording/reproducing apparatus, video reproducing apparatus, server and car navigation system
An optical head is provided that increases the light utilization efficiency and that can be adapted to high-speed recording and double-layer disks. A beam-shaping lens that shapes an elliptical...
|
|
|
7433110 |
Three-dimensional light ray input apparatus
A three-dimensional input apparatus includes a lens L 1 for converting angular information about light rays from a object, a focusing element L 3 for focusing the light rays from the object to...
|
|
|
7411742 |
Focusing lens for LED
A focusing lens for an LED is provided. The focusing lens for an LED, which concentrates light emitted from the LED so as to have directionality parallel to an optic axis, comprises: a transparent...
|
|
|
7385173 |
Photosensitive array detector for spectrally split light
A detector includes a photosensitive array including at least one photosensitive surface. A focusing device focuses spectrally split light onto the photosensitive array. The focusing device is...
|
|
|
7379411 |
Beam shaping device
In a beam shaping device for converting the laser light emitted from a semiconductor laser light source from an elliptic beam to a circular beam, the light-entrance-side and light-exit-side...
|
|
|
7379251 |
Optical element, optical system, laser device, exposure device, mask testing device and high polymer crystal processing device
The generatrix directions of cylindrical lenses 11 a and 11 b are perpendicular to the optical axis, and are perpendicular to each other. As a result, the optical system combining the...
|
|
|
7355800 |
Apparatus for projecting a line of light from a diode-laser array
A line-of-light projecting module is illuminated by a diode-laser bar and includes light-pipe for homogenizing light from the diode-laser bar in the slow-axis. A shaping optics assembly directs the...
|
|
|
7345828 |
Refractive-diffractive hybrid lens, in particular for beam shaping of high power diode lasers
A cylindrical lens having a refractive optical element and a diffractive optical element is provided. The cylindrical lens can be fabricated cost effectively and precisely, and optical aberrations...
|
|
|
7344282 |
Optical sheet and backlight assembly of liquid crystal display with the same
An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an...
|
|
|
7303286 |
Projection display device
In a projection display device that is provided with a relay lens for converting flux that is emitted from a light source to a parallel flux for illuminating an image display element (DMD), and a...
|
|
|
7289272 |
Optical system including an anamorphic lens
An optical system includes a primary lens group having a central beam path therethrough and including a front lens group and a rear lens group. An anamorphic lens group lies on the central beam...
|
|
|
7268951 |
Optical beam splitter
An optical beam splitter ( 1 ) for a light beam ( 2 ) that is parallel along a beam axis (A) has a transparent central area ( 3 ) and a plurality of reflecting reflector surfaces ( 4 a , 4 b ) that...
|
|
|
7178920 |
Projection display device
In a projection display device that is provided with a relay lens for converting flux that is emitted from a light source to a parallel flux for illuminating an image display element (DMD), and a...
|
|
|
7168822 |
Reconfigurable linescan illumination
A reconfigurable illumination system for illuminating an object, and associated method. The illumination system comprises a cylindrical diffuser having a longitudinal aperture, a linescan camera...
|
|
|
7167322 |
Beam shaping apparatus
A beam shaping apparatus including an optical lens is provided. The optical lens includes a diverging surface and a cylindrical surface. The diverging surface expands the input laser beam into a...
|
|
|
7167321 |
Optical systems and methods employing adjacent rotating cylindrical lenses
An optical system includes a pair of adjacent cylindrical lenses and a target positioned in a round-spot plane following the pair of cylindrical lenses. At least one of the cylindrical lenses is...
|
|
|
7142377 |
Lens-attached light-emitting element
A lens-attached light-emitting element for increasing an optical availability efficiency is provided. A lens-attached light-emitting element for structuring a light-emitting element array arranged...
|
|
|
7136233 |
Device for the generation and projection of light marks
A device ( 1 ) for generating and projecting light marks (MP, ML) in which projection optics (P) have a cylindrical lens (Z). The cylindrical lens (Z) can be irradiated by a light beam bundle (L 2...
|
|
|
7116493 |
Beam shaping device
In a beam shaping device for converting the laser light emitted from a semiconductor laser light source from an elliptic beam to a circular beam, the light-entrance-side and light-exit-side...
|
|
|
7110193 |
Optical lens preform, optical lens, and method of making optical lens
The method of making an optical lens in accordance with the present invention comprises an optical lens preform producing step of producing an optical lens preform 40 having a plurality of curved...
|
|
|
7085066 |
Anamorphic imaging system
A rear anamorph is disclosed with at least two cylindrically surfaced elements oriented in one direction primarily for squeezing or stretching the image with a ratio of less than 2:1, and at least...
|
|
|
7068438 |
Grin-lens arrangement
A lens arrangement for transforming a divergent, generally astigmatic laser beam from a diode laser into a beam having a high degree of rotational symmetry is disclosed. The arrangement comprises,...
|
|
|
6987621 |
Aberration correction optical system
A projection system for projecting a pattern of a mask onto a substrate. The projection system includes a projection optical system disposed between the mask and the substrate, and an optical...
|
|
|
6947226 |
Optical lens-use base material, optical lens, and method of producing optical lens
The method of making an optical lens in accordance with the present invention comprises an optical lens preform producing step of producing an optical lens preform 40 having a plurality of curved...
|
|
|
6924937 |
Aberration correcting optical system
An aberration changing optical system to be used with a projection optical system of a projection exposure apparatus, includes an optical element having at least one of a cylindrical surface and a...
|
|
|
6882478 |
Microlens, its forming method and optical module
A method for forming many microlenses comparatively easily and effectively is provided. On one end of an optical substrate is formed a plurality of lens planes at regular intervals. Lens areas...
|
|
|
6856470 |
Rod lens and laser marking apparatus
A laser beam incident on a rod lens has a greater cross-sectional diameter than that of a rod lens main body, and mirrors are provided near the rod lens main body to reflect incident light toward...
|
|
|
6829284 |
Light source device and optical pickup
A light source device has a semiconductor laser for emitting an elliptical divergent beam having a light intensity distribution in an elliptical form; and a beam shaping element for converting an...
|
|
|
6816311 |
Production of lines of light as an aid to positioning a robot
This invention relates to a device for producing lines of groups of lines of electromagnetic radiation of the optical spectral range in a definable area of space. The lines or groups of lines can...
|
|
|
6809885 |
Lens and bonded body of optical component
A lens having a lens face including a convex area that exhibits the lens function thereof, and a bonding part formed for bonding an additional optical device to the lens face in another part...
|
|
|
6768593 |
Fiber-coupled laser diode having high coupling-efficiency and low feedback-noise
A laser diode ( 20 ) emits astigmatic and elliptical light. The long axis of ellipse is the fast axis of light, and the short axis of ellipse is the slow axis of light. A collimating lens ( 34 )...
|
|
|
6753991 |
Optical recording apparatus
An optical recording apparatus includes an optical system, a photosensitive drum and a rotational mechanism. Multibeam laser light is focused through the optical system to form an image as a column...
|
|
|
6717745 |
Optical systems and methods employing rotating cylindrical lenses/mirrors
An optical system includes a first cylindrical optical element (lens or mirror), and a second cylindrical optical element positioned in a round-spot plane following the first cylindrical optical...
|
|
|
6710926 |
Cylindrical microlens with an internally reflecting surface and a method of fabrication
A fast (high numerical aperture) cylindrical microlens, which includes an internally reflective surface, that functions to deviate the direction of the light that enters the lens from its original...
|
|
|
6680800 |
Device for symmetrizing the radiation emitted by linear optical transmitters
A device is proposed to symmetrize the radiation from one or from several linear optical emitters. The device possesses per emitter 1, 1 a , 1 b a cylindrical lens optical unit 2, 2 a , 2 b ...
|
|
|
6639725 |
Protective, diffusive film and process for producing the same
There is provided a protective, diffusive film for use in a surface light source device provided with a lens film, said protective, diffusive film comprising: a transparent substrate layer; and a...
|
|
|
6574050 |
3D shape-measuring apparatus using biaxial anamorphic magnification
A 3D shape-measuring apparatus using biaxial anamorphic magnification comprises a light source that projects a light onto an object surface to be sensed. Via an electrical image-grabbing device,...
|
|
|
6512636 |
Anamorphic lens for digital projection
An anamorphic lens for a digital projection display system comprising a projection lens and an optical axis has an anamorphic factor between 1.3 and 2.0. The anamorphic lens includes a first afocal...
|
|
|
6490100 |
Objective lens and optical head device
An objective lens ( 1 ) for an optical disk, which focuses a light beam from a light source, is designed so that a third-order coma aberration generated when the objective lens is inclined at a...
|
|
|
6476973 |
Compound surface to aid in the fabrication of a lens with a plano surface
A molded glass lens is taught that includes a molded three-dimensional reference surface at a first end of the lens body, a first molded optical surface interrupting the three-dimensional reference...
|
|
|
6473239 |
Imaging system with a cylindrical lens array
The invention relates to an imaging system for optical automatic analysers, especially fluorescence readers. On the sample side, the imaging system contains a cylindrical lens array and a prism...
|
|
|
6462880 |
Bar code reader
A bar code reader having two reading windows, i.e., a bottom window and a side window. An increased number of scanning lines are used for constituting scanning patterns for scanning bar codes, and...
|
|
|
6419376 |
Illuminated indication device for road traffic
An illuminated indication device for road traffic. A number of indicating points are formed with indicating lenses in or on an indicating surface. The indicating lenses have a light entry surface...
|
|
|
6356682 |
Device for making grid structures in optical fibers
The present invention relates to a device for making grid structures in optical fibers. The device comprises a laser beam emitter directed toward the surface enveloping the optical fiber and beam...
|
|
|
6304385 |
Laser irradiation apparatus and method
Where an object is irradiated and scanned with laser beams that have been shaped into a linear shape and are moved in their width direction, a cylindrical lens group that is used in an optical...
|
|
|
6301059 |
Astigmatic compensation for an anamorphic optical system
A lens system defined along an X-Y-Z coordinate system transforms an elliptical optical beam defined as exhibiting a first, fast axis component and a second, slow axis component, into an...
|
|
|
6259563 |
Optical system for image rotation
An optical system for image rotation comprises two Pechan prisms (8, 9) located on an optical axis (4) and a lens system located on the same optical axis. The two Pechan prisms (8, 9) can be...
|
|
|
6243206 |
Illuminating system for vacuum ultraviolet microlithography
An illuminating system for the vacuum ultraviolet (VUV) microlithography (at 157 nm) is disclosed and has a VUV light source (1), refractive optical elements of fluoride, at least one microlens...
|
|
|
6236520 |
Lighting device for picture recording
The invention relates to a device for picture recording that is used in image sensors in robotics, navigation and surveillance systems. Said device comprises a lighting device having several series...
|
|
|
6188527 |
LED array PCB with adhesive rod lens
The inventive lens is formed from an optical adhesive is used to collect light from a LED array. As the adhesive is dispensed, it is formed into the shape of a lens. The adhesive is then cured, and...
|