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| Number | Title | Issue Date |
| 8184368 | Extreme broadband compact optical system with multiple fields of view An optical system is described herein which has a compact, all reflective design that has multiple fields of view for imaging an object. The optical system also has identical viewing directions and can have several different configurations for adding laser range fin... | 05/22/2012 |
| 8064133 | Light receiving optical system, and spectrophotometer incorporated with the same A light receiving optical system includes: a relay optical system for converging light to be measured which has been converged on an image plane of an objective optical system. The light receiving optical system has a relay optical system with a relay lens operable ... | 11/22/2011 |
| 7952799 | Extreme broadband compact optical system with multiple fields of view An optical system is described herein which has a compact, all reflective design that has multiple fields of view for imaging an object. The optical system also has identical viewing directions and can have several different configurations for adding laser range fin... | 05/31/2011 |
| 7768703 | Dual field of view sighting system A dual field of view sighting system uses liquid crystals, flip-polarizers and/or flip-mirrors to select between at least two fields of view. ... | 08/03/2010 |
| 7403331 | Correct image zoomable reflecting telescope with near stationary eyepiece A correct image reflecting telescope with zoom capability comprised of a flat mirror, a parabolic primary mirror, and an image correcting system. The flat mirror reflects the incoming light from the telescope aperture into the parabolic primary mirror. The reflected... | 07/22/2008 |
| 7369306 | Image reversion system, ancillary ophthalmoscopy module and surgical microscope The invention relates to an image reversion system (500) which enables an image reversion and beam transposition of a plurality of observation beam paths (503a, 503b, 504a and 504b) to be carried out sim... | 05/06/2008 |
| 7345836 | Zoom lens driving apparatus A zoom lens driving apparatus achieves the object of driving multiple lens groups by a single motor and low production cost. When a first lens group, which includes a first lens, moves along guide rods, a leading cam of a leading member drives a leading pin of a fol... | 03/18/2008 |
| 7321108 | Dynamic focusing method and apparatus A method and apparatus for dynamically focusing an imaging mechanism on a moving target surface having a variable geometry is herein disclosed. Apparatus for focusing an imaging mechanism may include an objective, a prism, or another optical device that forms part o... | 01/22/2008 |
| 7283309 | Wide-range, wide-angle, rotatable compound zoom A compact zoom lens system providing a wide-range, ultra-wide angle optionally rotatable compound zoom is disclosed. In one embodiment, the optical design is comprised of an NPP kernel followed by a PP relay with four independently moving groups, two on each side of... | 10/16/2007 |
| 7276328 | Lithography mask utilizing asymmetric light source A method of reflective lithography includes directing an asymmetric radiation (light) beam onto a reticle of a reflective lithography system. The asymmetry in the shape of the radiation beam may be used to compensate for a non-zero (non-normal) angle of incidence of... | 10/02/2007 |
| 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 |
| 7256834 | Digital camera having panning and/or tilting functionality, and an image rotating device for such a camera A digital camera (300) has panning and/or tilting functionality and comprises: a camera housing (6) with an optical input (400), such as a lens or objective (8); an image capturing unit (500) for producing a digital image from ligh... | 08/14/2007 |
| 7230756 | Integrated optical system for endoscopes and the like Optical systems for endoscopes, borescopes, dental scopes, and the like which are characterized by having three groups of lenses of positive optical power and an external entrance pupil. Typically, all three groups of lenses are displaced from the pupil and focal pl... | 06/12/2007 |
| 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 |
| 7227682 | Wide-range, wide-angle compound zoom with simplified zooming structure A zoom lens is disclosed having a zoom ratio larger than four with a field of view at the short focal length position larger than 85 degrees and with a minimal number of moving groups. The zoom lens utilizes a compound zoom structure comprising an NP or NPP zoom ker... | 06/05/2007 |
| 7224535 | Zoom lens system A zoom lens system is disclosed. The zoom lens system forms a final image of an object and a first intermediate real image between the object and the final image. The zoom lens system includes a first optical unit located between the object and the first intermediat... | 05/29/2007 |
| 7218430 | Combinatorial optical processor A Combinatorial Optical Processor and method for the architecture of optical systems utilizes one or more optical modules, each module including a number of individually addressable optical elements. The optical elements are arranged and addressed in a combinatorial... | 05/15/2007 |
| 7218429 | Digital focus lens system A digital focus lens systems that can provide an optical system with a plurality of selectable focal powers is described. The system includes a number of switchable elements, each of which is capable of being switched between a first state and a second state, whereb... | 05/15/2007 |
| 7206129 | Real image type zoom finder, and imaging system incorporating the same A real image type zoom finder that, albeit being reduced in size and thickness, can gain high enough zoom ratios and an imaging system equipped with such a real image type zoom finder. The real image type zoom finder comprises an objective optical system, an image-e... | 04/17/2007 |
| 7187430 | Advanced illumination system for use in microlithography A system for microlithography comprises an illumination source; an illumination optical system including, in order from an objective side, (a) a first diffractive optical element that receives illumination from the illumination source, (b) a zoom lens, (c) a second ... | 03/06/2007 |
| 7184208 | Variable power finder and imaging apparatus A variable power finder is proposed, which comprises: an objective system; an inverting system; and an ocular system, in order from object side. The third lens group of the objective system is constituted by one lens prism having at least one reflection surface, and... | 02/27/2007 |
| 7180659 | Multiple field cassegrain-type optical combination The invention is directed to multispectral multifield optical combinations that are intended to be integrated into an optical device. A Cassegrain-type multifield optical combination has an image focal plane, comprising a first holed concave primary mirror that is f... | 02/20/2007 |
| 7159988 | Projection optical unit and projection image display apparatus A projection optical unit has two lens groups. A first projection optical unit disposed closest to an image display element, temporarily forms a first enlarged image (magnification: M1) at the image display element side, rather than at a second projection opt... | 01/09/2007 |
| 7145732 | Zoom optical system, imaging lens unit, and digital apparatus In a zoom optical system for forming an optical image of an object onto a light receiving plane of an image sensor for converting the optical image into an electrical signal, and performing zooming by varying distances between a first lens group and a second lens gr... | 12/05/2006 |
| 7126753 | Two-stage variable power binoculars The two-stage variable power binoculars are configured so that, in right and left body tubes focus lenses are movably provided in the direction of optical axis, movable frames are movably provided in a direction so as to intersect with the optical axis, magnificatio... | 10/24/2006 |
| 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 |
| 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 |
| 7106530 | Optical system having image rotating function, and optical apparatus Provided is an optical system having an image rotating function disposed on an image side with respect to an image pick up lens, which makes it possible that its optical performance is satisfactory, an eclipse amount is small, a field angle and an F number intended ... | 09/12/2006 |
| 7099077 | Optical system having three fields of view using two all-reflective optical modules An all-reflective optical system includes an all-reflective afocal module, an all-reflective imaging module and an all-reflective switching structure being operated to direct a light beam through the afocal module and the imaging module. A first position of the swit... | 08/29/2006 |
| 7095560 | Diffractive optical device, refractive optical device, illumination optical system, exposure apparatus and exposure method An illumination optical system having a more simplified structure forms various quadrupole-shaped secondary light sources with two-time rotational symmetry with respect to an optical axis. The apparatus can provide illumination conditions that differ in two perpendi... | 08/22/2006 |
| 7092156 | Automated telescope alignment and orientation method A fully automated telescope system is able to be fully operable in both Alt-Az and polar configurations. In either configuration, the telescope aligns itself to the celestial coordinate system following a simplified initialization procedure during which the telescop... | 08/15/2006 |
| 7085071 | Zoom lens A zoom lens includes a first lens unit fixed when the magnification of the zoom lens is changed and at least two positive lens units arranged on the image side of the first lens unit so that relative spacings between individual lens units are varied when the magnifi... | 08/01/2006 |
| 7085048 | Real image type variable magnification finder and imaging apparatus using the same A real image type variable magnification finder comprises, an object optical system having positive refracting power which forms an objective image as a middle image, a view frame arranged near a position of the middle image, and an eyepiece optical system having po... | 08/01/2006 |
| 7079321 | Illumination system and method allowing for varying of both field height and pupil A method and system allow for changing (continuously or variably) both a field height and pupil of a beam that illuminates an object field. In one example, the object field can have a pattern generator (e.g., one or more reticles, spatial light modulators, or the li... | 07/18/2006 |
| 7072086 | Digital focus lens system Digital focus lens systems that can provide an optical system with a plurality of selectable focal powers are described. The systems may include a number of switchable elements, each of which is capable of being switched between a first state and a second state, whe... | 07/04/2006 |
| 7057818 | Zoom lens and optical apparatus having the same A zoom lens which has a high variable magnification ratio and high optical performance and an optical apparatus having the zoom lens are provided. A zoom lens according to an embodiment of the present invention comprises, in order from an object side, a first, secon... | 06/06/2006 |
| 7050239 | Real image mode variable magnification finder A real image mode variable magnification finder optical system comprises a variable magnification objective optical system having a positive optical power, an ocular optical system having a positive optical power, and a plurality of reflecting surfaces for erecting ... | 05/23/2006 |
| 7040728 | Geometry for a dual level fluid quantity sensing refillable fluid container A fluid reservoir sensing system includes a pair of optical prisms that reflect light when a fluid level is below one of the pair of prisms. The pair of optical prisms includes a low prism usable to sense a low liquid level in the fluid reservoir, and a high prism u... | 05/09/2006 |
| 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 |
| 7023615 | Structure for supporting an optical telescope An apparatus for the focusing of incident light includes a base assembly that is adapted to support a primary mirror. The primary mirror includes an outside circumference and an inside aperture. An upright member is attached to the base assembly at a first end there... | 04/04/2006 |
