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| Number | Title | Issue Date |
| 7471434 | Optical scanning device and image forming apparatus A common photodetecting unit detects a plurality of beams scanned by a plurality of polyhedral reflection mirrors provided in a multiple stages with a common rotation axis, and generates a synchronization detection signal based on detected beams. The reflection mirr... | 12/30/2008 |
| 7379221 | Laser scanner and image forming apparatus using it A laser scanner comprises a laser driver which emits two different laser beams by one main-scanning line in correspondence with an input image signal, and two torsion mirrors to reflect the two different laser beams emitted from the laser beam emission means to scan... | 05/27/2008 |
| 7358516 | System and method for determining a position or/and orientation of two objects relative to each other as well as beam guiding arrangement, interferometer arrangement and device for changing an optical path length for use in such a system and method A system and a method for determining a position of two objects relative to each other is suggested, comprising: a source 43 of coherent radiation, a beam guidance for providing a measuring branch 49 for a measuring beam, which has an optical path leng... | 04/15/2008 |
| 7310176 | Light deflector using torsional rotation about two axes A light deflector for scanning with light from a light source comprises a support body, an oscillation system and a drive means for driving the oscillation system. The oscillation system includes a first movable element and a second movable element having a light de... | 12/18/2007 |
| 7307650 | Arrangement for, and a method of, reducing image distortion due to electrical interference Electrical interference between resonant, drive and line frequencies in a drive is reduced by selecting the resonant frequency to be non-harmonically related to the drive and line frequencies. The drive is of beneficial use in a lightweight, compact image projection... | 12/11/2007 |
| 7295293 | Apparatus and method for testing a reflector coating A method of testing a coating on a reflector having a first focal point includes placing a mirror at the first focal point of the reflector and angled to orient with an area on the coating. Electromagnetic (EM) radiation is directed to the mirror which then directs ... | 11/13/2007 |
| 7286273 | Light deflecting device An object of the present invention is to provide an optical deflecting device capable of suppressing undesirable vibrations of an optical deflecting element such as a mirror and allowing a plurality of optical deflecting elements to be easily arranged. The optical d... | 10/23/2007 |
| 7276718 | System and method for determining a position or/and orientation of two objects relative to each other as well as beam guiding arrangement, interferometer arrangement and device for changing an optical path length for use in such a system and method A system and a method for determining a position of two objects relative to each other is suggested, comprising: a source 43 of coherent radiation, a beam guidance for providing a measuring branch 49 for a measuring beam, which has an optical path leng... | 10/02/2007 |
| 7220256 | Laser system and method for treatment of biological tissues A system for and method of performing laser assisted surgery is disclosed. Laser radiation is preferably delivered to a target area of tissue using a Er:YAG laser source. The laser radiation is delivered to the target area in bursts of laser radiation comprising set... | 05/22/2007 |
| 7215454 | Device for substrate treatment by means of laser radiation An apparatus for substrate treatment by means of laser radiation includes a rotating polygonal mirror by which at least one incident laser beam is reflected and is pivotable across an arrangement of converging lenses which lie next to one another and which are arran... | 05/08/2007 |
| 7207489 | Scan motor Methods and apparatus for providing a relatively miniature injection molded scan motor, for example, for a retroreflective illumination system. An exemplary scan motor comprises a spring module that includes a static substrate and a dynamic substrate coupled togethe... | 04/24/2007 |
| 7193730 | Eccentricity measuring instrument of polygon-mirror motor An eccentricity measuring instrument of polygon mirror motors includes a first light source, an optical position detecting element for detecting a position of first reflection light, i.e. first measuring light emitted from the first light source and reflected on the... | 03/20/2007 |
| 7158295 | Apparatus and method for determining directional transport processes An apparatus for determining directional transport processes with a scanning microscope (100) is disclosed. A deflection means (5) for coupling in an illuminating light beam (3), and a scanning module (7) for graphical display of a specim... | 01/02/2007 |
| 7154650 | Scanning apparatus Scanning apparatus operable in the microwave, mm-wave and infrared ranges and comprises a support structure, a first reflective disc or mirror (10) which is mounted in said support structure for rotation relative to the support structure about a first axis ( | 12/26/2006 |
| 7137560 | Optical scanner An optical scanner includes a scanner housing including a scan window, a laser light source, reflected light detector and a mirrored polygon spinner. The spinner is arranged to spin around both a first axis of rotation and a second axis of rotation so as to produce ... | 11/21/2006 |
| 7106482 | Scanning apparatus A scanning apparatus comprises two rotatable bodies (1,10 or 40) arranged to rotate in opposite directions. The first body being a polarizer (10) and the second being a mirror (1) or a second polarizer (40). The apparatus is arrang... | 09/12/2006 |
| 7090359 | Scrolling unit, color illuminating system, and projection system using the scrolling unit A scrolling unit for forming a color image through scrolling, and a color illuminating system and a projection system using the scrolling unit. The scrolling unit includes a first spiral lens disk, a second spiral lens disk, and a glass rod. The first spiral lens di... | 08/15/2006 |
| 7046412 | Scanning optical delay line using a reflective element arranged to rotate A method and apparatus delays an optical input using a scanning optical delay line. The scanning optical delay line includes an optical input and an optical output. A reflective element is arranged to rotate about an axis such that the reflective element maintains a... | 05/16/2006 |
| 7038821 | Scanning apparatus A scanning apparatus comprises two rotatable bodies (1, 10 or 40) arranged to rotate in opposite directions. The first body being a polarizer (10) and the second being a mirror (1) or a second polarizer (40). The apparatus is arran... | 05/02/2006 |
| 7009752 | Actively-supported multi-degree of freedom steerable mirror apparatus and method A steerable mirror assembly, the assembly comprising a mounting plate and a mirror with a mounting surface and a reflective surface. The assembly further comprising at least one flexible connector coupled between the mounting plate and a peripheral portion of the mi... | 03/07/2006 |
| 7002717 | Apparatus for beam deflection The invention concerns an apparatus for beam deflection, in particular for scanning microscopy, a light beam being deflectable by a mirror arrangement that is alternatingly rotatable by a rotary drive. The apparatus for beam deflection makes possible maximum variabi... | 02/21/2006 |
| 6966494 | Code reader An identification device, especially one for detecting unidimensional and/or two-dimensional codes, which has a position-resolving photoreceiver arranged in a housing and a reception optics coordinated with it and also installed in the housing. The entire reception ... | 11/22/2005 |
| 6905070 | Bar code scanner A bar code scanner has a housing including a surface having a transparent scanning window. The housing contains optical components including a spinner mounted on a rotating motor; pattern mirrors and a collector for collecting light reflected from a bar code during ... | 06/14/2005 |
| 6879419 | Laser scanner with peripheral scanning capability The present invention relates generally to ladar and more particularly to a tilted primary clamshell lens laser scanner for transmitting a generally collimated beam of radiation at a first frequency such that the beam rotates about a central axis so as to form a con... | 04/12/2005 |
| 6843568 | Projection apparatus The present invention is based on the finding that the previous column and row representation in the scanning image projection has to be given up, in order to enable that the ratio between row and column frequency or vertical and horizontal deflection frequency is n... | 01/18/2005 |
| 6839156 | Laser scanning unit and electrophotographic image forming apparatus adopting the same A laser scanning unit and an electrophotographic image forming apparatus adopting the same include a plurality of photogenerators emitting parallel lights, a plurality of rotatable polygonal mirrors which deflect the lights emitted from the photogenerators in a main... | 01/04/2005 |
| 6813050 | Rotary mirror array for fast optical tomography A high speed, high duty cycle, linear, optical scanning device suitable for optical coherence tomography, optical coherence microscopy and confocal microscopy is presented. For the microscopy applications stable, periodic scanning is achieved by using a rotary mirro... | 11/02/2004 |
| 6735003 | Method and apparatus for reducing artifacts in an imaging system A method and apparatus for reducing artifacts in an imaging system by directing a stream of air onto the beam deflection assembly of the imaging system. An air displacement system, such as a fan assembly or the like, is oriented to direct, a stream of air onto the r... | 05/11/2004 |
| 6687033 | Optical scanning device An optical scanning device has a light transmitter and a light receiver which are arranged in spatial proximity to one another and which each comprise a deflecting device with which a scanning light beam emitted by a transmitter unit is directable along a... | 02/03/2004 |
| 6628446 | High-resolution reading and writing using beams and lenses rotating at equal or double speed A scan systems include at least one radiation source for directing at least one beam toward a spinning scan device. The scan device reflects these beams as rotating scan beams to track rotating scan lenses without translation between the scan beams and th... | 09/30/2003 |
| 6522443 | High-resolution writing using beams and lenses rotating at equal or double speed A scan systems include at least one radiation source for directing at least one beam toward a spinning scan device. The scan device reflects these beams as rotating scan beams to track rotating scan lenses without translation between the scan beams and th... | 02/18/2003 |
| 6466352 | High-resolution reading and writing scan system for planar and cylindrical surfaces Scan systems include at least one radiation source for directing at least one beam toward a scan-device system. The scan device system includes at least one scan device that reflects these beams as rotating scan beams which point to the optical aperture o... | 10/15/2002 |
| 6437896 | Device for deviating electromagnetic rays or radiation beams in the optical spectral domain The invention concerns a device for electromagnetic rays or radiation beams in the optical spectral domain, in particular for laser beams, comprising at least a deviating element provided with at least one interface with optical function which can, by ref... | 08/20/2002 |
| 6292285 | Single rotating polygon mirror with v-shaped facets for a multiple beam ROS A single rotating polygon mirror with v-shaped facets having upper and lower reflective facet surfaces reflects and separates dual beams to two photoreceptors in a ROS. Each facet surface will have a different tilt angle. The two independently modulated b... | 09/18/2001 |
| 6288818 | Optical scanning apparatus An optical scanning apparatus includes a plurality of light sources which emit first and second beams. First and second coupling lens units respectively couple the first and second beams emitted by the plurality of light sources. A rotary deflector which ... | 09/11/2001 |
| 6278538 | Optical scanner The present invention relates to an optical scanner (20) comprising a radiation source (24) for generating a radiation beam, and means (22), (26) for giving the radiation beam a scanning movement in a first direction through an angular range Ɗθ1 | 08/21/2001 |
| 6262815 | Image sensor There is provided an image scanner including (a) an image sensor, (b) a lens for focusing images onto the image sensor, (c) a reflecting mirror for directing images of an object to the image sensor through the lens, and (d) a driver for rotating the refle... | 07/17/2001 |
| 6222663 | High duty cycle scanner for laser printer A scanner for scanning a beam across a surface, such as a photosensitive surface or a document, the scanner comprising: a plurality of multi-faceted polygon disks, mounted for common rotation on an axis; a plurality of data modulated beams, wherein one of said... | 04/24/2001 |
| 6219168 | Single rotating polygon mirror with adjacent facets having different tilt angles A single rotating polygon mirror with adjacent facets having different tilt angles reflects and splits the scanning beam to multiple photoreceptors in a raster output scanning (ROS) system. The mirror can have two or four alternating facets with different... | 04/17/2001 |
| 6211988 | Optical device for scanning a beam in two axes that are substantially perpendicular to each other The invention relates to an optical device for scanning a beam in two axes that are substantially perpendicular to each other, for use in particular in confocal laser scan microscopes, and aims to avoid serious image defects. The invention is characterize... | 04/03/2001 |
