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| Number | Title | Issue Date |
| 7324575 | Lens with reflective surface A lens having a reflective surface, and systems that use such a lens. The lens includes a transmissive part for passing a portion of an incident light beam, and a reflective part for reflecting a portion of the incident light beam, and the reflective part is prefera... | 01/29/2008 |
| 7248413 | Microlensing particles and applications A microscopic lens, of size approximately 1 micron is used for its optical characteristics. ... | 07/24/2007 |
| 7234265 | Internal red dot sight An internal red dot sight includes an objective lens formed of a convex lens, a planar eye lens set in a tilt angle relative to the objective lens and facing the concave surface of the objective lens, and a light emitting device set in between the planar eye lens an... | 06/26/2007 |
| 7075737 | Fixed-angle roller mechanism The invented fixed-angle roller mechanism comprises: a frame providing two bearings; a roller shaft supported by said bearings such to rotate along the axis of said roller shaft, which roller shaft is connected to a rotation element; an angle regulator provided on s... | 07/11/2006 |
| 7033061 | Backlight module and lens thereof A backlight module for a liquid crystal display includes a reflective sheet, at least one light source above the reflective sheet, and a lens above the light source. The lens has a light-permeable surface at the bottom, a light-reflecting surface formed on the top o... | 04/25/2006 |
| 7015636 | Balanced blue spectrum therapy lighting A balanced blue spectrum therapy lighting fixture is provided. The lighting fixture comprises a light source and a mixture of blue light and white light within the light source having a range between approximately 90% 420–490 nm blue light and approximately 10% wh... | 03/21/2006 |
| 6999212 | Back-light module for image scanning device and method for calibrating illumination with the back-light module A back-light module for an image scanning device includes a casing, a pair of tubular lamps, a light guide plate, and a frosted transparent plate. The image scanning device includes a document supporting plate and an optical scanning module movable in a longitudinal... | 02/14/2006 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6744572 | System and method for imaging an object A method for imaging an object is provided that includes generating and directing optical energy onto a portion of an object. The portion of the object is cut while the optical energy is directed onto the portion. Reflected optical energy from the object is received... | 06/01/2004 |
| 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 |
| 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 |
| 6490040 | Fume sensor system and methods for background noise suppression A fume sensor system that measures the concentration of fume particulate in a boiler and suppresses background noise.... | 12/03/2002 |
| 6441972 | Optical image separator An optical assembly divides a single image into a plurality of images which are simultaneously projected onto a single sensor array. The optical assembly is arranged so that each of the plurality of images can be made to pass through a filter of a differe... | 08/27/2002 |
| 6396647 | Optical system with extended boresight source An optical system has an extended boresight source including a boresight light source that produces a light beam, a condenser lens that receives the light beam from the boresight light source, a spatial light integrator that receives the light beam from t... | 05/28/2002 |
| 6384989 | Optical system To image the surface, provided with an analysis preparation, of the bottom of a well of a microtiter plate (16) made of a transparent material, provision is made for an optical system with a magnifying objective and an incident-light illumination formed b... | 05/07/2002 |
| 6384988 | Illuminated optical enlargement device An illuminated optical magnifying device with an optical focusing unit that can produce a magnified image of an object to be observed and with an illumination device whose light is at least partially applicable for illuminating the object to be observed, ... | 05/07/2002 |
| 6381074 | Light collecting optical system A light collecting optical system wherein the position where light is collected is scanned in the optical axis direction by using a wavefront converting element capable of changing power without using a mechanical device, and aberration occurring during t... | 04/30/2002 |
| 6282035 | Image forming optical system in which the effects of ghosting are minimized An image forming optical system minimizes the effects of ghosts in an image. In one embodiment of the present invention, light is at an intermediate point of the optical system. Introducing light in this manner can result in ghosts being produced in the i... | 08/28/2001 |
| 6252723 | Objective optical system An objective optical system comprising, in order from the object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power and a third lens unit having a positive refractive power, wherein the second... | 06/26/2001 |
| 6249381 | Illuminating method and illuminating device The number of light sources and the number of divided light beams are optimized, so that a light beam with sufficiently reduced speckle contrast can be used as illuminating light. In an optical system for forming an image through a spatial modulator, lase... | 06/19/2001 |
| 6169637 | Catadioptric lens A catadioptric lens (10) comprising, along an optical axis (AX), a first lens group (L1) having an objectwise concave annular incident surface (SI) upon which light from an object is first incident, and a most imagewise lens surface (16). The c... | 01/02/2001 |
| 6034822 | Device for distributing light on an image frame A device uses a divergent lens (7) having a concave surface with a central region (12) and a peripheral region (13) of lower curvature than the central region. The light beam (16) crossing the central region is spread over the entire surface of the image ... | 03/07/2000 |
| 6010450 | Measuring adapter for viewing instrument A measuring adapter allows a viewing instrument, such as an otoscope or other imaging device, to perform surface examinations without significant modification thereto. The adapter is releasably attachable to the instrument housing and includes a distal op... | 01/04/2000 |
| 6008944 | Optical device with optional resolutions An optical device with optional resolutions is provided for converting an image into electronic signals. The optical device includes a housing, a plurality of focusing units with various magnifying powers and the same optical path lengths mounted immobily... | 12/28/1999 |
| 5828500 | Optical element inspecting apparatus An optical element inspecting apparatus for inspecting optical elements for defects. The optical element inspecting apparatus includes an illuminating unit, an image capturing unit, two polarizers, a rotation device, a controller, and a means for composin... | 10/27/1998 |
| 5774271 | Lamp assembly A lamp assembly includes a condensing lens group disposed at one end for collecting and collimating a light from a light source, an exit lens group at the other end of the assembly, including at least one objective lens element for projecting an illuminat... | 06/30/1998 |
| 5589990 | Light emitting element module and manufacturing method therefor In a light emitting element module of the present invention, a lens as an optical system for coupling an optical fiber with light emitted from a light emitting element mounted on a substrate is provided for the light emitting element, and the distance bet... | 12/31/1996 |
| 5493450 | Sighting instrument An electronic light dot reticle sight (10) for a firearm has a concave surface lens (22) in a tubular lens housing (11) and an external LED (25) connected via a fiber optic (26) to generate a light point image viewable ahead of the concave surface. A tubu... | 02/20/1996 |
| 5359458 | Scanner A scanner comprising a light source, having non-uniformities, for transmitting light through an input sample, and a cassette for holding the input sample, wherein a distance from the light source to the cassette is long enough to cause the effects of the ... | 10/25/1994 |
| 5212589 | Lens system for focussing light of plural wavelength A lens system having discrete variations of focal length at discrete distances of radius outward from the optic axis for focussing light of plural wavelengths. The lens system which directs a laser beam onto a target for ablation or exposure applications ... | 05/18/1993 |
| 5172978 | Radiant thermometer with aiming system A radiant thermometer for detecting infrared rays coming from an object along an optical axis to determine its temperature is provided with an improved aiming system. An exterior housing supports an interior housing that mounts the detector having an open... | 12/22/1992 |
| 5170293 | Exposure mechanism An exposure mechanism having a hole pattern for forming a resist pattern to be used in a photolithography process when a semiconductor device is fabricated, the hole pattern including a central light transmitting portion provided on a transparent substrat... | 12/08/1992 |
| 5078469 | Optical system which allows coincident viewing, illuminating and photographing A binocular surgical loupe which enhances the illumination of the viewed field while avoiding flare effects of illuminating light within the loupe optics. The binocular system utilizes circularly polarized illumination and viewing to prevent flare effects... | 01/07/1992 |
| 5062697 | Portable microscope apparatus An apparatus including a first and second cylindrical body member separately and coaxially mounted relative to one another with the first body member including a resilient perimeter eye piece mounted about a forward terminal end thereof to permit viewing ... | 11/05/1991 |
| 4657357 | Illumination system for single objective lens binocular microscope An illumination system is provided for a single objective lens-type binocular microscope. The arrangement features a slot cut in a single objective lens. A prism is inserted into this slot. An illuminating light flux is conducted to the prism at an axis d... | 04/14/1987 |
