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| Number | Title | Issue Date |
| RE41350 | Catadioptric objective comprising two intermediate images An objective comprising axial symmetry, at least one curved mirror and at least one lens and two intermediate images. The objective includes two refractive partial objectives and one catadioptric partial objective. The objective includes a first partial objective, a... | 05/25/2010 |
| 7369327 | Variable optical-property element and optical apparatus including the same A variable optical-property element includes a liquid crystal the pitch of twist is less than 60 times the wavelength of light used, so that a spatially uneven electric or magnetic field or temperature is applied to the liquid crystal to thereby form an index distri... | 05/06/2008 |
| 7365910 | Electronic image pickup system The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and perfo... | 04/29/2008 |
| 7333271 | Dichroic mangin mirror An optical system having at least one dichroic Mangin mirror. The optical system has a front-end optical sub-system or a light source operative to emit an optical beam. The optical beam is dispersed into at least a first color beam and a second color beam and has ce... | 02/19/2008 |
| 7317565 | Projection viewing system A projection viewing system of simplified construction and high illumination efficiency, which enables at least two images varying with viewing directions to be simultaneously displayed in a viewable fashion. The system includes at least two display devices 1... | 01/08/2008 |
| 7304792 | System for sequentially providing aberation corrected electromagnetic radiation to a spot on a sample at multiple angles of incidence A system for sequentially providing electromagnetic radiation to a spot on a sample at different angles of incidence, and after reflection therefrom into a detector. The system includes a plurality of spherical mirrors, and a refractive element for correcting aberra... | 12/04/2007 |
| 7304737 | Rotating or rotatable compensator system providing aberation corrected electromagnetic raadiation to a spot on a sample at multiple angles of a incidence Spectroscopic ellipsometer systems which include polarizer and analyzer elements which remain fixed in position during data acquisition while at least one continuously rotating or step-wise rotatable compensator imposes a continuously variable or plurality of sequen... | 12/04/2007 |
| 7295378 | Zoom optical system A zoom optical system, in order from a reduction side to a magnification side, includes a first lens unit having positive optical power, a second lens unit having the positive optical power, a third lens unit having negative optical power, and a fourth lens unit hav... | 11/13/2007 |
| 7268956 | Solid catadioptric lens with two viewpoints A dual viewpoint solid catadioptric lens has a first spherical refractive surface S1 having a center C1 located on an optical axis of the lens and having a radius r1, and a second spherical refractive surface S2 having a center C2 ... | 09/11/2007 |
| 7268948 | Optical element and optical scanning device using the same To obtain an optical element capable of obtaining uniform anti reflection characteristics over the whole optical surface having a finite curvature of the optical element, a plurality of convex optical pieces having an anti reflection function are provided on a surfa... | 09/11/2007 |
| 7253928 | Imaging optical system and image reading apparatus using the same Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical syste... | 08/07/2007 |
| 7245443 | Panoramic attachment optical system, and panoramic optical system The invention relates to a panoramic attachment optical system and a panoramic optical system for taking an image having a full 360°-direction angle of view or projecting an image at a full 360°-direction angle of view. These optical systems are reduced in size an... | 07/17/2007 |
| 7244924 | Transparent optical component for light emitting/receiving elements This invention improves the use efficiency of light emitted by a solid light emitter such as a light emitting diode, and realizes a desired directional pattern. On a front boundary surface of a mold resin 13 sealing a light emitter 12, there are formed... | 07/17/2007 |
| 7239453 | Projection optical system and projection exposure apparatus A catadioptric projection optical system includes a first optical system, for receiving light from an object, a second optical system, for forming an image of the object on an image plane, and a third optical system disposed optically between the first optical syste... | 07/03/2007 |
| 7227701 | Zoom lens and optical apparatus having the same A zoom lens, comprising, in order from an object side to an image side: (a) a first lens unit of negative optical power; (b) a second lens unit of positive optical power; and (c) a third lens unit of positive optical power, wherein a separation between the first len... | 06/05/2007 |
| 7210803 | Optical system, display optical system and image-taking optical system An optical system is disclosed with which higher magnification can be easily achieved and aberrations can be favorably corrected, yet is compact. The optical system includes a plurality of optical surfaces including a first surface which has at least a reflective ac... | 05/01/2007 |
| 7212353 | Optical element, optical system, and optical device Provided is a compact optical element that secures an optical path length and improves manufacturing precision economically. The optical element includes a transparent member having a first and second refracting surface, and reflecting surfaces. Light entering the t... | 05/01/2007 |
| 7199343 | Spatial optical memory A device for storing photons between one and a plurality of reflected surfaces, and the storage of information, in particular in the form of digital data, being provided by creating at least one circulating memory using the storage device as a delay line. Each devic... | 04/03/2007 |
| 7182466 | Projection optical system and optical system A projection optical system includes an optical modulation unit which outputs modulated light for displaying an image, an optical scanning unit on which the modulated light output from the optical modulation unit is incident, the optical scanning unit scanning the l... | 02/27/2007 |
| 7177104 | Image-taking optical system An image-taking optical system for forming an optical image of an object on the light-receiving surface of an image sensor includes a plurality of optical blocks. The optical blocks each have a prism unit provided with a curved surface and an optical unit composed o... | 02/13/2007 |
| 7158096 | Compact, head-mountable display device with suspended eyepiece assembly A compact, lightweight, head-mountable display device is provided for transmitting an image to a user's eye. The device includes a projection system including a display attached at one end to a head-mountable support fixture. An eyepiece assembly is attached to a se... | 01/02/2007 |
| 7152985 | Compact folded-optics illumination lens A method for manufacturing an apparatus and the apparatus being configured to convert a first distribution of an input radiation to a second distribution of output radiation. The method consists of the steps of generating a two-dimensional representation of at least... | 12/26/2006 |
| 7133217 | Image-taking optical system and image input apparatus An image-taking optical system according to the present invention for forming an image of a two-dimensional object on an image-taking surface comprises a plurality of reflecting surfaces which reflect light from the two-dimensional object sequentially and guides the... | 11/07/2006 |
| 7130131 | Zoom optical system A zoom optical system includes followings: a plurality of lens units for magnification, the plurality of lens unit for zooming including in order from a reduction conjugate side to a magnification conjugate side, a first lens unit having a positive optical power, a ... | 10/31/2006 |
| 7126761 | Zoom optical system A zoom optical system provided, in order from a reduction side toward a magnification side, with: a first lens unit having positive optical power; a second lens unit having positive optical power; a third lens unit having positive optical power; and a fourth lens un... | 10/24/2006 |
| 7113348 | Zoom lens and optical apparatus having the same A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, (b) a second lens unit of positive optical power, and (c) a third lens unit of positive optical power, wherein a separation between the first lens ... | 09/26/2006 |
| 7113347 | Zoom lens and optical apparatus having the same A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, (b) a second lens unit of positive optical power, and (c) a third lens unit of positive optical power, wherein a separation between the first lens ... | 09/26/2006 |
| 7106527 | Image-forming optical system A compact image-forming optical system is disclosed which has a high optical performance due to arranging a reflective optical unit and a refractive optical unit at suitable positions. The image-forming optical system is an optical system performing image formation ... | 09/12/2006 |
| 7092168 | Projection optical system and projection exposure apparatus A catadioptric projection optical system for projecting an image of an object onto an image plane through two intermediate image formations. The catadioptric projection optical system includes a first optical system, for receiving light from the object, including a ... | 08/15/2006 |
| 7082001 | Dual mode mirror imaging system A dual mode mirror imaging system is described having a Cassegrain-type objective assembly having a primary mirror with a hole in its center and a secondary mirror spaced in front of the primary mirror, and imager optics disposed in the hole. The secondary mirror is... | 07/25/2006 |
| 7079314 | Catadioptric optical system and exposure apparatus equipped with the same A catadioptric optical system comprising a first imaging optical system for forming an intermediate image of a first plane surface, a second imaging optical system for forming a final image of the first plane surface onto a second plane surface which is substantiall... | 07/18/2006 |
| 7068446 | Compact non-imaging light collector A nonimaging optical system for processing a first and second light distribution. The nonimaging optical system includes at least two refractive surfaces, at least one reflective surface nearer to the first light distribution along at least one ray path than the nea... | 06/27/2006 |
| 7023625 | Zoom lens and optical apparatus having the same A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, (b) a second lens unit of positive optical power, and (c) a third lens unit of positive optical power, wherein a separation between the first lens ... | 04/04/2006 |
| 7016124 | Image-formation optical system and optical apparatus An image-formation optical system is disclosed which is an off-axial optical system configured using reflective surfaces, with which the performance deterioration with respect to manufacturing discrepancies is reduced, and which can be made sufficiently compact. The... | 03/21/2006 |
| 7001031 | Image-forming optical system, projection type image display apparatus and image pickup apparatus The present invention discloses an image-forming optical system provided with a plurality of curved mirrors whereby two points at different distances are made to have an optically conjugate relationship, sequentially starting with a first conjugate point which is ne... | 02/21/2006 |
| 6999242 | Zoom lens and optical apparatus having the same A zoom lens, including, in order from an object side to an image side (a) a first lens unit of negative optical power, the first lens unit consisting of, in order from the object side to the image side, a negative lens and a positive lens, (b) a second lens unit of ... | 02/14/2006 |
| 6995918 | Projection optical system and projection exposure apparatus A projection optical system for projecting an image of an object onto an image plane. The projection optical system includes a first imaging optical system for forming an image of the object in which the first imaging optical system includes a first mirror for refle... | 02/07/2006 |
| 6969840 | Imaging optical system including a telescope and an uncooled warm-stop structure An all-reflective telescope has, in order, a positive-optical-power primary mirror, a negative-optical-power secondary mirror, a positive-optical-power tertiary mirror, a negative-optical-power quaternary mirror, and a positive-optical-power field lens. The mirrors ... | 11/29/2005 |
| 6970286 | Multiple field of view reflective telescope A reflective afocal telescope is described herein that has multiple field of views and can be packaged in a compact arrangement. In one embodiment, the reflective telescope includes two entrance pupils, a primary mirror, a secondary mirror, a tertiary mirror, a quat... | 11/29/2005 |
| 6956694 | Broad spectrum ultraviolet inspection systems employing catadioptric imaging An ultraviolet (UV) catadioptric imaging system, with broad spectrum correction of primary and residual, longitudinal and lateral, chromatic aberrations for wavelengths extending into the deep UV (as short as about 0.16 μm), comprises a focusing lens group with mul... | 10/18/2005 |
