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| Number | Title | Issue Date |
| 7554708 | Optical scanning device and image forming apparatus An optical scanning device includes a first optical element that converts a cross-section shape of a light beam from a semiconductor laser to a desired shape; a second optical element that guides the light beam output from the first optical element to an optical def... | 06/30/2009 |
| 7535613 | Scanning laser display apparatus using laser diode array directed to and corresponding with condensing means of plane mirrors An improved laser display apparatus is disclosed, which comprises a LED device array in which a plurality of laser diode devices are arranged in a straight shape for thereby scanning a laser diode in accordance with an image signal inputted, with the laser diode dev... | 05/19/2009 |
| 7522324 | Optical scanning device and image forming apparatus using the same An optical scanning device and an image forming apparatus having the same include a light source, a deflecting system, an imaging optical system with at least one imaging optical element for imaging a light beam deflected by the deflecting system on a surface to be ... | 04/21/2009 |
| 7518772 | Scanning optical apparatus By magnifying a beam light from a polarizer by a scanning lens (also referred to as a magnifying lens) and a decentered lens (serving as a correcting lens) which is a lens arranged in a side of a scanning surface with an axis thereof decentered relative to a light a... | 04/14/2009 |
| 7515321 | Ophthalmic apparatus A multifunction ophthalmic apparatus, capable of efficiently measuring and examining eye characteristics respectively, has an measurement part including a unit blowing fluid to a cornea via a nozzle for measuring intraocular pressure of an examinee's eye, a reflecti... | 04/07/2009 |
| 7508565 | Optical beam scanning apparatus, method of manufacturing optical beam scanning apparatus, image forming apparatus and method of manufacturing image forming apparatus In an image forming apparatus according to the invention, an optical beam scanning apparatus of an overillumination scanning optical system includes a laser, a pre-deflection optical system, a polygon mirror, and a post-deflection optical system, wherein the post-de... | 03/24/2009 |
| 7508564 | Scanning optical apparatus A scanning optical apparatus capable of keeping sub scanning magnification small, arid further, of keeping the apparatus size small without elongating lenses, also suppresses spherical aberration relative to a scanning surface of a beam light small, thereby illumina... | 03/24/2009 |
| 7505187 | Optical scanning unit and image forming apparatus According to the present invention, highly accurate adjustment of the angles and positions of optical elements constituting an optical scanning unit can be easily performed. For a cylindrical lens that makes the light beam for exposing a photoreceptor converg... | 03/17/2009 |
| 7492496 | Scanning optical apparatus A scanning optical apparatus capable of maintaining sub scanning magnification small, and further, keeping the apparatus size small without elongating lenses, also suppresses spherical aberration relative to a scanning surface of a beam light small, thereby illumina... | 02/17/2009 |
| 7468823 | Optical beam scanning device, image forming apparatus and lens An optical beam scanning device of the invention includes a single light deflection device, a pre-deflection optical system which causes a light beam emitted from a light source to be incident to the light deflection device, and a post-deflection optical system whic... | 12/23/2008 |
| 7466466 | Optical scanning method and system and method for correcting optical aberrations introduced into the system by a beam deflector An optical scanning method and system and method for correcting optical aberrations introduced into the system by a beam deflector are provided. The optical scanning method and system utilize a tilt-corrected, off-axis beam deflector. The scanning system includes an... | 12/16/2008 |
| 7460288 | Methods for determining refractive corrections from wavefront measurements A method for determining a refractive correction for an eye involves measuring an optical error of the eye, calculating at least one image quality parameter for a selected spatial frequency of range of spatial frequencies, based on the measured optical error of the ... | 12/02/2008 |
| 7443560 | Scanning imaging apparatus A scanning imaging apparatus comprises an optical system including a curved polariser/reflector, a rotatable reflector, a polarisation twisting plate, and a receiver array, wherein a convex reflective element is incorporated in the optical path that acts as a sub-re... | 10/28/2008 |
| 7443556 | Optical scanning apparatus and image forming apparatus In an optical scanning apparatus, an optical element has power for predominantly correcting a position of a scanning line by scanning in a sub-scanning direction; a scanning line curvature adjusting unit adjusts a curvature of the scanning line by deforming the opti... | 10/28/2008 |
| 7443558 | Optical scanning device and image forming apparatus An optical scanning device includes a first optical element that converts a cross-section shape of a light beam from a semiconductor laser to a desired shape; a second optical element that guides the light beam output from the first optical element to an optical def... | 10/28/2008 |
| 7443557 | Optical beam scanning apparatus and image forming apparatus An image forming apparatus provided with an optical beam scanning apparatus according to the invention includes a semiconductor laser device, a pre-deflection optical system, a polygon mirror, and a post-deflection optical system, wherein at least one imaging lens f... | 10/28/2008 |
| 7436562 | Scanning examination apparatus, lens unit, and objective-lens adaptor It is possible to easily and accurately confirm the position of an optical axis of an objective lens relative to an examination site on a specimen, and positioning of the objective relative to the specimen can be carried out rapidly in a preparation stage. The inven... | 10/14/2008 |
| 7433109 | Scanning optical system and scanning optical device There is provided a scanning optical system used with a deflection mirror that produces sinusoidal vibrations. The scanning optical system includes a first lens having a positive power, and a second lens having a negative power. In this configuration, the first lens... | 10/07/2008 |
| 7428088 | Optical scanning apparatus and method for adjusting the same An optical scanning apparatus which is free from any deterioration of drawing performance and which can be miniaturized and simplified in overall configuration, and an image forming apparatus using the optical scanning apparatus are provided. The optical scanning ap... | 09/23/2008 |
| 7414765 | Optical scanning device and image forming apparatus using the same An optical scanning device deflects, by a common optical deflecting part, a plurality of groups of light beams emitted from a plurality of light sources and directs, by a scanning and imaging optical system, the groups of deflected light beams to respective scan sur... | 08/19/2008 |
| 7397591 | Optical scanner and image forming apparatus An optical scanner includes a light source, an optical coupler, an optical line image unit, a deflector, and an optical scanning unit. The optical scanning unit includes scanning lenses that guide the beams to a surface to be scanned. A surface on the deflector side... | 07/08/2008 |
| 7397590 | Optical scanning apparatus and image forming apparatus employing this apparatus At least one exemplary embodiment is directed to an optical scanning apparatus that employs a short wave light source to constantly maintain a spot having a tiny diameter, even when an environmental temperature change occurs, by employing a lens and/or a diffractive... | 07/08/2008 |
| 7391548 | Optical beam scanning device and image forming apparatus An optical beam scanning device and an image forming apparatus are capable of suppressing adverse effect due to ambient temperature change on plural optical elements. The optical beam scanning device includes a single light deflector, a pre-deflection optical system... | 06/24/2008 |
| 7385746 | Optical scanning system and image forming apparatus using the same An optical scanning system includes a deflecting device to scanningly deflect a light beam from a light source in a main scan direction, and an imaging optical system for imaging, upon a surface to be scanned, the light beam deflected by a deflecting surface of the ... | 06/10/2008 |
| 7385181 | Optical scanning device and image forming device Light beams emitted from a plurality of light source devices are deflected by a shared light deflector. The light beams are respectively concentrated on different scanning subjects using a first scanning lens and second scanning lenses and are used to perform a scan... | 06/10/2008 |
| 7385745 | Two-dimensional scanning apparatus and scanning type image displaying apparatus using the same The invention is to provide an optical scanning apparatus which scans light from a light source onto a surface to be scanned, comprising a light scanning optical system having at least one reflecting surface of non-rotation symmetrical shape, and guiding a deflected... | 06/10/2008 |
| 7372546 | Optical axis adjustment device and exposure apparatus using the same In order to adjust the optical axis of a light beam L1 in an exposure apparatus, on a support body in an XYZ three-dimensional coordinate system are mounted: a first mirror 10 having a reflective surface M1 obtained by rotating a plane parallel ... | 05/13/2008 |
| 7372478 | Pattern exposure method and pattern exposure apparatus A pattern exposure method and a pattern exposure apparatus in which the throughput is improved with an inexpensive apparatus and without a low running cost. Output faces of a plurality of laser beams emitted from a plurality of semiconductor lasers respectively are ... | 05/13/2008 |
| 7365764 | Scanning optical apparatus and color image forming apparatus using the same A scanning optical apparatus includes a light source capable of being modulated, a deflecting element for deflecting and scanning a beam emitted from the light source, a scanning optical element for imaging the deflected beam into a spot shape on a scanned surface, ... | 04/29/2008 |
| 7365893 | Iterative Fourier reconstruction for laser surgery and other optical applications Methods, systems and software for determining an optical surface model for an optical tissue system using Fourier transformation algorithms. A method of reconstructing optical tissues of an eye comprises transmitting an image through the optical tissues of the eye. ... | 04/29/2008 |
| 7362487 | Optical element and optical scanning device using the same Provided is an optical element capable of reducing Fresnel (surface) reflection on a lens surface which causes flare or ghost, an optical system including the optical element, and an optical scanning device including the optical element. The optical element includes... | 04/22/2008 |
| 7361878 | Image display apparatus and image pickup apparatus with two dimensional scanning An image forming apparatus with a light source unit emitting a light beam optically modulated based on image/video information, a scanning unit for scanning the light beam emitted from the light source unit two-dimensionally, an optical system that guides the light ... | 04/22/2008 |
| 7362486 | Optical scanning device with at least one resin lens for controlling a beam waist position shift A first optical system guides a light beam from a light source to an optical deflector, and a second optical system converges the light beam deflected by the optical deflector on a surface to be scanned. The first optical system includes at least one resin lens havi... | 04/22/2008 |
| 7355771 | Optical scanning apparatus An optical scanning device has a light shield plate where a scanning line emitted from a light source passes through a scanning lens, and is reflected by a rotation polygon mirror, and after that, passes through the scanning lens again, and is reflected by the scann... | 04/08/2008 |
| 7351944 | Beam irradiation device In a beam irradiation device of the present invention, laser beams emitted from a semiconductor laser impinge on an irradiation lens supported by a lens actuator. The laser beams that have passed through the irradiation lens change in outgoing angle in the direction... | 04/01/2008 |
| 7347567 | Arrangement for projecting an image onto a projection surface and associated transformation lens system The invention relates to an arrangement for projecting an image, which is made of pixels, onto a projection surface, including at least one light source whose intensity can be altered and which emits a light beam, also including a deflection device which deflects th... | 03/25/2008 |
| 7348549 | Light scanning apparatus Provided is a light scanning apparatus, including a light source, a light source controller to control an on/off operation of the light source, a light deflector deflecting light emitted from the light source, an image formation optical system to direct light deflec... | 03/25/2008 |
| 7345801 | Laser scanning device Laser light, emitted from a laser light source, is formed into a converged light ray by a condensing lens, and deflected by a resonance mirror. The laser light is converged on a photosensitive member through a scanning lens including one negative lens, and has at le... | 03/18/2008 |
| 7346261 | Image display apparatus There disclosed is an image display apparatus having a light source, a scanning member for deflecting a light from the light source to scan a predetermined surface with the light to form a two-dimensional image thereon, a first optical system for guiding a light def... | 03/18/2008 |
| 7345826 | Optical scanning lens, optical scanning device and image forming apparatus An optical scanning lens used in a scanning and imaging optical system in which a beam deflected by a light deflector is condensed on or in the vicinity of a surface to be scanned. The optical scanning lens is formed through plastic mold, and a distribution of the r... | 03/18/2008 |
