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| Number | Title | Issue Date |
| 8320056 | Spatial filters for high average power lasers A spatial filter includes a first filter element and a second filter element overlapping with the first filter element. The first filter element includes a first pair of cylindrical lenses separated by a first distance. Each of the first pair of cylindrical lenses h... | 11/27/2012 |
| 7880977 | Rod lens to be fitted in endoscopes A rod lens is used for fitting in an endoscopes. The rod lens has a rod-shaped body which is made at least in a section of a flexible, transparent solid piece of plastic material. ... | 02/01/2011 |
| 7433110 | Three-dimensional light ray input apparatus A three-dimensional input apparatus includes a lens L1 for converting angular information about light rays from a object, a focusing element L3 for focusing the light rays from the object to the vicinities of an array R of photoelectric elements, and a... | 10/07/2008 |
| 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 body; a first lens part formed in the body; and a second lens part co... | 08/12/2008 |
| 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 located in an optical path upstream from the photosensitive array. The fo... | 06/10/2008 |
| 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 surfaces of the beam shaping device both have a curvature only in the minor-... | 05/27/2008 |
| 7379251 | Optical element, optical system, laser device, exposure device, mask testing device and high polymer crystal processing device The generatrix directions of cylindrical lenses 11a and 11b are perpendicular to the optical axis, and are perpendicular to each other. As a result, the optical system combining the cylindrical lenses 11a and 11b | 05/27/2008 |
| 7369334 | Optical device with alignment compensation An optical device is provided which includes a plurality of optical modules and an alignment compensation module. Each optical module includes an optical component fixedly coupled to a relative reference mount. The relative reference mount is configured to attach to... | 05/06/2008 |
| 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 light emitted by the diode-laser bar into the entrance end of the li... | 04/08/2008 |
| 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 and defects in semiconductor diode laser arrangements can be correcte... | 03/18/2008 |
| 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 edge to a center thereof. ... | 03/18/2008 |
| 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 total internal reflection prism for both directing flux that is emitte... | 12/04/2007 |
| 7300185 | Quadrilateral symmetrical light source A reflector for focusing light emitted from a light source in a generally planar direction is disclosed. The reflector is matched with the light source that is preferably a light emitting diode (LED) mounted on a substrate. The reflector is mounted over the LED on t... | 11/27/2007 |
| 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 path and is positioned between the front lens group and the rear lens gr... | 10/30/2007 |
| 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 (4a, 4b) that are respectively inclined by a... | 09/11/2007 |
| 7241262 | Image-distorting endoscopes and methods of making and using such endoscope An endoscope having restricted dimensions and comprising at least one image gatherer, at least one image distorter and at least one image sensor shaped to fit within said limited dimensions, and wherein said image distorter is operable to distort an image received f... | 07/10/2007 |
| 7203344 | Biometric imaging system and method A method and system of obtaining a ten-print plain impression fingerprint includes scanning a print image, processing the scanned image, separating the processed image into individual fingerprint images, and determining how many print images have been scanned. The m... | 04/10/2007 |
| 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 total internal reflection prism for both directing flux that is emitte... | 02/20/2007 |
| 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 positioned for having a direct line of sight to the object through the ... | 01/30/2007 |
| 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 rotatable about the optical axis, relative to the other cylindrical len... | 01/23/2007 |
| 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 uniform line in one plane. The cylindrical surface converges the laser ... | 01/23/2007 |
| 7162060 | Method, system, and computer program product for control of platen movement during a live scan A method, system, and computer program product is provided that controls platen movement during a live scan. The platen moves in response to finger movement. The present invention then applies a counter force that counters the platen movement. In one embodiment, the... | 01/09/2007 |
| 7145724 | Optical lens and semiconductor laser device The optical lens 1 in accordance with the present invention comprises an optically effective part 5, formed as a curved surface in at least one of light-entrance and light-exit faces, for acting in an X-axis direction on light emitted from a light-emit... | 12/05/2006 |
| 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 in one dimension comprises a light-emitting element having an approxi... | 11/28/2006 |
| 7135654 | Angle-variable optical marking apparatus An optical marking apparatus includes: a laser illuminator mounted in a housing for emitting a laser optical line for marking purpose, and an angle-variating device provided in the housing; whereby upon an angular rotation of the apparatus, the laser illuminator wil... | 11/14/2006 |
| 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 (L2) such that a central beam bundle (L2Z) radiates com... | 11/14/2006 |
| 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 surfaces of the beam shaping device both have a curvature only in the major-... | 10/03/2006 |
| 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 surface parts 43 formed parallel to each other, and a pa... | 09/19/2006 |
| 7095880 | Method and apparatus for rolled fingerprint capture A method and apparatus for rolled fingerprint capture is described. The start of a fingerprint roll is detected. A plurality of fingerprint image frames are captured. A centroid window corresponding to each of the plurality of captured fingerprint image frames is de... | 08/22/2006 |
| 7092345 | Optical module An optical module has a first light source which emits a first light beam from a first light emission point in a predetermined direction, a second light source which emits a second light beam from a second light emission point in the predetermined direction, and an ... | 08/15/2006 |
| 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 two cylindrically surfaced elements oriented in a second direction pr... | 08/01/2006 |
| 7079321 | Illumination system and method allowing for varying of both field height and pupil A method and system allow for changing (continuously or variably) both a field height and pupil of a beam that illuminates an object field. In one example, the object field can have a pattern generator (e.g., one or more reticles, spatial light modulators, or the li... | 07/18/2006 |
| 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, in series, a first cylindrical gradient index lens arranged with its ... | 06/27/2006 |
| 7068822 | System and method for sending a packet with position address and line scan data over an interface cable A system and method for sending a packet with a position address and line scan data from a first device over a 1394 interface to a second device. The present invention loads a camera, an illuminator, and a microprocessor with set-up instructions and a start pulse. T... | 06/27/2006 |
| 7061834 | Optical head and disk recording and reproducing apparatus An optical head and a disk recording and reproducing apparatus using the same. The optical head can realize a stable recording and reproducing with less cross-talk and can be made small and thin by making the objective lens to be small and thin. The optical head inc... | 06/13/2006 |
| 7038860 | Preform for an optical lens, an optical lens, and a method of manufacturing an optical lens The method of manufacturing an optical lens in accordance with the present invention includes a drawing optical lens preform preparing step of preparing a drawing optical lens preform comprising a first curved face part, formed aspheric in one side face thereof, fun... | 05/02/2006 |
| 7035174 | Optical disc drive and optical pickup apparatus that correct astigmatism An optical disc drive compatible with optical discs of different types, for example, is provided. For focusing, through an optical system used in common with the different types of optical discs, a laser beam emitted from a selected one of a plurality of light sourc... | 04/25/2006 |
| 7023626 | Optical device, lens and optical element for focusing a laser beam and apparatus and method for assembling the optical device The invention relates to an optical device for focusing a laser beam, comprising a source of emission of a laser beam, for example a substantially elliptic and astigmatic laser beam, a focusing lens of the laser beam and first aperture adapted to select a central po... | 04/04/2006 |
| 7010148 | Calibration and correction in a fingerprint scanner A calibration and correction procedure for a fingerprint scanner. The calibration and correction procedure performs an automatic calibration procedure and gray level linearity procedure. The automatic calibration procedure includes a brightness function to correct f... | 03/07/2006 |
| 7003983 | Method of manufacturing optical glass element, and optical glass element manufactured using the method A method of manufacturing an optical glass element for which flatness and smoothness of the surfaces of the optical glass element can be improved while securing the similarity of the cross-sectional shape of the optical glass element to that of the mother glass, and... | 02/28/2006 |
