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| Number | Title | Issue Date |
| 7869145 | System and method for illuminating a target According to one embodiment of the present invention, a system for illuminating a target includes a light source configured to emit one or more light beams with a first divergence. The system further includes a lens separated from the light source. The lens is confi... | 01/11/2011 |
| 7441909 | Optical assembly for a projection system An optical assembly for a projection system includes an objective lens and a retro-focus lens. Then objective lens and retro-focus lens share one or more lens elements. A method of projecting an image comprises directing light from a light source to one or more modu... | 10/28/2008 |
| 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 |
| 7400459 | Operating room magnifier An operating room magnifier is adapted to utilize an operating room light source and may be sterilized to allow use on a sterile field. The magnifier comprises a base, a neck, and a lens frame. The lens frame holds a lens and receives a light connected to the light ... | 07/15/2008 |
| 7333276 | Optical element and lighting device provided therewith An optical element that condenses light emitted from a light source has: an entrance surface where the light enters; an exit surface from which the light entering inside via the entrance surface; and a reflection surface that directs, to the exit surface by total re... | 02/19/2008 |
| 7248413 | Microlensing particles and applications A microscopic lens, of size approximately 1 micron is used for its optical characteristics. ... | 07/24/2007 |
| 7236239 | Illumination system and exposure apparatus Disclosed is an illumination system for illuminating a surface to be illuminated, with light from a light source, the illumination system including a first optical integrator having a plurality of lens groups, for forming a plurality of first secondary light sources... | 06/26/2007 |
| 7222991 | Light source for precision work The invention provides a light source (1, 200), especially a portable light source (1, 200) used to illuminate a medical or precision mechanical working area, with a casing (2), with a light diode (4) held by the casing (2), with a... | 05/29/2007 |
| 7221824 | Miniaturized focusing optical head in particular for endoscope An optical head for equipping the distal end of a flexible optical fiber bundle, designed to be urged into contact with an analyzing surface and including optical elements for focusing an excitation signal into a so-called excitation focal point located at a specifi... | 05/22/2007 |
| 7215770 | System and method for partially encrypted multimedia stream A multimedia stream head end includes a legacy conditional access (CA) device that fully encrypts the stream using legacy keys. A copy of the stream is sent to a secondary CA device that encrypts only critical packets in the stream using secondary keys to render a p... | 05/08/2007 |
| 7215855 | Cones and cylinders of laser light A cone-of-light projection system projects a shell of laser light (or other electromagnetic radiation) using a fiber-optic bundle. Incidence optics directs a laser beam to be incident to the fiber-optic bundle at a predetermined angle of incidence, resulting in the ... | 05/08/2007 |
| 7213061 | Internet control system and method A control system of the present invention includes at least one device, a network interconnecting the at least one device, a control network portal coupled between the network and the Internet, and a master controller coupled to the network and operable to control t... | 05/01/2007 |
| 7207700 | Near field lens with spread characteristics A near field lens is for an automotive light assembly, generally comprising a central body positioned between opposing side bodies. The central body extends in a vertical direction, while the side bodies are positioned on horizontal sides of the central body. The op... | 04/24/2007 |
| 7175299 | Multi-lens zoom system and method for flashlights An efficient system and method for zooming the light from a flashlight is disclosed. Multiple refractive lenses are translated in unison to allow zooming of the light while reducing the size and weight of the required lenses. In another aspect, a meniscus lens is us... | 02/13/2007 |
| 7153002 | Lens for LED light sources A lens for light emitting diode (LED) light sources which allows light emitted from an LED light source to exit the lens in a direction perpendicular to a vertical center axis of the lens. The lens of the present invention includes an inner space which is defined in... | 12/26/2006 |
| 7139136 | Handheld illuminating magnifier An illuminated magnifying device comprises an elongated magnifying lens, a light source, and an elongated light pipe disposed along the magnifying lens operable to receive light emitted from the light source and direct the light outwardly from the light pipe and dis... | 11/21/2006 |
| 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 |
| RE39024 | Exposure apparatus having catadioptric projection optical system To use a beam splitting optical system smaller than the conventional beam splitters and to set a longer optical path between a concave, reflective mirror and an image plant. A light beam from an object surface travels through a first converging group to enter a beam... | 03/21/2006 |
| 7012766 | Imaging system and method employing off-axis illumination of an illumination modulator An imaging system includes a first off-axis illumination source for providing a first illumination field at a surface of an illumination modulator such that when the modulator is in a first non-activated mode a zero-order reflected illumination field is directed tow... | 03/14/2006 |
| 7006306 | Circumferentially emitting luminaires and lens-elements formed by transverse-axis profile-sweeps The present embodiments provide methods and apparatuses for providing prescribed illumination. Some embodiments provide lenses that include a two-dimensional beam-forming lens-profile where the profile acts to deflect light rays from a light source into a relatively... | 02/28/2006 |
| 6970293 | Solid state imaging device In a solid state imaging device, sensitivity deterioration (shading) of the periphery of the imaging region is planned to be improved. An on-chip micro lens 28 corresponding to each sensor portion 23 in an imaging region 42 is comprised and the ... | 11/29/2005 |
| 6958865 | Microlicensing particles and applications A microscopic lens, of size approximately 1 micron is used for its optical characteristics. ... | 10/25/2005 |
| 6955442 | Hingedly articulated magnifying device A magnifying apparatus includes a seat, an intermediate member, a first spring-loaded hinge connecting one end of the intermediate member to the seat, a cover, a second spring-loaded hinge connecting an opposite end of the intermediate member to the seat, a catch pr... | 10/18/2005 |
| 6933487 | Image reader and image processor having a light source forming trapezoid-shaped illuminance distribution in sub-scanning direction An image reader for reading an image drawn on a paper or a sheet-like recording medium, an image processor provided with the image reader, such as a copying machine, a scanner and the like, and a fiber lens to be applied to those devices. The image processor has to ... | 08/23/2005 |
| 6934097 | Rod integrator holder and projection type image display apparatus having the rod integrator holder A rod integrator holder 6 has concave clearance grooves 67A to 67D elongated in the direction of the optical axis L, at the corners within a case 61 thereof. The clearance grooves 67A to 67D are configured such that the edge... | 08/23/2005 |
| 6917481 | Structure for tightly closing light exit end of rod integrator and rod integrator holder A rod integrator holder comprises a wall constituting at least a part of an intermediate portion interposed between a rod integrator in an illumination optical system or a holding member for the rod integrator, and an optical member disposed downstream the rod integ... | 07/12/2005 |
| 6915062 | Illuminating waveguide An illuminating waveguide having first and second longitudinally-extending unitary portions of differing cross-sectional shape. In use, light is injected into the waveguide at, for example, an end face of the waveguide and the light travels along the length of the w... | 07/05/2005 |
| 6894839 | Illumination optical system and laser processor having the same An illumination optical system has superior image formation capabilities, and can radiate a linear beam with excellent illumination uniformity and a narrow line width having a large aspect ratio; the illumination optical system comprises an afocal beam expander syst... | 05/17/2005 |
| 6859335 | Method of programmed displacement for prolong usage of optical elements under the irradiation of intensive laser beams The present invention contemplates a programmed displacement to prolong the usage life of UV crystal for deep UV generation by displacing step by step the crystal with interval between steps much shorter than the degradation time of the crystal. Meanwhile, the prese... | 02/22/2005 |
| 6825996 | Sample inspecting casing There is provided a sample inspection casing capable of easily and surely inspecting an object to be inspected. The sample inspection casing 1 includes: a sample mounting table 5 for mounting thereon an object 11 to be inspected; a prism cut por... | 11/30/2004 |
| 6801364 | Projection objective for microlithography The invention relates to a projection lens comprising a lens assembly that has at least one first narrowing of the group of light beams. A lens with a non-spherical surface is located in front of and/or behind the first narrowing. ... | 10/05/2004 |
| 6796040 | Line laser device A line laser device, comprising a light source for emitting a laser beam, a light emitting unit having optical means for projecting the laser beam from the light source in fan-like shape, an optical member arranged on the fan-shaped laser beam and for forming a spot... | 09/28/2004 |
| 6597522 | Optical system An optical system for imaging the surface of the bottom of a well of a microtiter plate made of a transparent material. This surface has an analysis preparation. The optical system comprises an enlarging lens and an incident-light illumination formed by a... | 07/22/2003 |
| 6560044 | Illumination optical system in exposure apparatus An illumination optical system includes an optical integrator for forming a secondary light source by use of light from a light source, an optical system for directing light from the light source toward the integrator, and a condensing optical system for ... | 05/06/2003 |
| 6538828 | Magnifying page illuminator A hand held device extends across a line of text on a page to enlarge the image and illuminate it as well. The device includes an elongate cylindrical lens that extends across the page. Elongate supports straddle the line and support the lens at a fixed d... | 03/25/2003 |
| 6504652 | Apparatus and method for laser processing A CO2 laser beam 12 is converted into a beam of uniform intensity at the position of a phase matching element 15 by an intensity converting element 14 and the phase matching element 15. Then, the uniform intensity beam irradiates a mask 17 cont... | 01/07/2003 |
| 6493156 | High resolution lens A high resolution lens is provided as a condensing lens for collecting light made incident from a light source, of which one face is plane and the other face is curved. The curved face of the lens is coated with a reflecting material except for its centra... | 12/10/2002 |
| 6469842 | Apparatus for patterning a phosphor screen, having a main lens with flat elements replaceable by sub-lenses An apparatus for patterning a phosphor screen on the faceplate of a cathode-ray tube has a main lens that refracts light to simulate electron-beam trajectories. The main lens includes a fixed lens with a curved surface, and at least one replaceable flat e... | 10/22/2002 |
| 6407864 | Automated system for testing two dimensional detector arrays and optical systems using sequential filters An automatic testing illumination system has advantages of speed, quick calibration ability and therefore high accuracy over conventional illuminators. An spherical light source/concentrator exit port is rapidly and sequentially covered by at least one au... | 06/18/2002 |
| 6356399 | Light projecting method, surface inspection method, and apparatus used to implement these methods The present invention provides a light illuminating method, a surface examining method using the light illuminating method, and apparatuses for performing these methods. In the surface illuminating apparatus for illuminating an object with a light beam fr... | 03/12/2002 |
