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| Number | Title | Issue Date |
| 8054561 | Optical system for merging a first and a second partial image beam, each proceeding from a specimen, into a resultant image beam An optical system is described for merging a first and a second partial image beam emanating from a specimen into a resultant image beam allowing modification of the areal proportion of the respective first or second partial image beam in the resultant image beam. A... | 11/08/2011 |
| 8040616 | Lens barrel and imaging apparatus A lens barrel includes: a barrel body; a diaphragm pivotally held in the barrel body; a diaphragm operating member that changes the diameter of the diaphragm; an operation arm that can pivot in the barrel body and fits in the diaphragm operating member, the operatio... | 10/18/2011 |
| 7986470 | Aperture stop and lens module An annular aperture stop includes a first annular portion and a second annular portion. The first annular portion extends and slowly tapers towards the center of the aperture stop. The second annular portion extends inwards from the first portion and sharply tapers ... | 07/26/2011 |
| 7864450 | Microlens array sheet and method of producing the same A microlens array sheet includes a light-shielding base having a first surface and a second surface opposite to the first surface and a microlens array attached to the first surface of the light-shielding base, the array having a plurality of microlens. The light-sh... | 01/04/2011 |
| 7835088 | Light shielding structure of an optical device A light shielding structure of an optical device, includes a plurality of optical elements arranged at different positions in an optical axis direction. The light shielding structure includes at least one annular light shielding member positioned between two of the ... | 11/16/2010 |
| 7663812 | Lens module with spacer A lens module comprises a first lens, a second lens, a spacer, an adhesive and a lens barrel. The spacer is sandwiched between the first lens and the second lens, and includes a first surface, an opposite second surface, a lateral surface, a through hole and a plura... | 02/16/2010 |
| 7646550 | Three-channel camera systems with collinear apertures A three-dimensional imaging system uses a single primary optical lens along with three collinear apertures to obtain three offset optical channels each of which can be separately captured with an optical sensor. ... | 01/12/2010 |
| 7630148 | System for providing zoom, focus and aperture control in a video inspection device An optical system for a remote video inspection device including an elongated probe for inspection of target objects, comprising: an imager located distally within the probe, wherein the imager receives an image of the target object; a focus lens group located withi... | 12/08/2009 |
| 7515357 | Microlens array sheet and method of producing the same A microlens array sheet includes a light-shielding base having a first surface and a second surface opposite to the first surface and a microlens array attached to the first surface of the light-shielding base, the array having a plurality of microlens. The light-sh... | 04/07/2009 |
| 7489454 | Laser processing device A laser processing apparatus which can suppress the positional fluctuation in light-converging point of laser light during laser processing is provided. On an optical path of laser light L1 connecting a beam expander 34 and a first light-transmitting h... | 02/10/2009 |
| 7443610 | Lens system A lens system comprises a first lens positive in power, a second lens positive in power, a third lens negative in power, a fourth lens positive in power, and a fifth lens negative in power. The lens system meets a criteria of 1.6 | 10/28/2008 |
| 7440194 | Zoom lens for use in projection devices An exemplary zoom lens for use in projection technology includes, in this order from the magnification side to the minification side thereof, a first lens group having negative refraction of power, a second lens group having positive refraction of power, a third len... | 10/21/2008 |
| 7436605 | Imaging lens and camera apparatus An imaging lens is configured sequentially from the object side by: a first lens having a meniscus shape where a convex surface is directed to the object side; a second lens; and a positive third lens in which an image-side surface is a convex surface. The first len... | 10/14/2008 |
| 7436600 | Zoom lens system A zoom lens system comprises: a first lens group with a negative refractive power, a second lens group with a negative refractive power, a third lens group with a positive refractive power and a fourth lens group with a positive refractive power. When zooming betwee... | 10/14/2008 |
| 7433132 | Zoom lens system and electronic image pickup apparatus using the same A four-unit zoom lens system includes in order from an object side, a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, a third lens unit having a positive refracting power, and a fourth lens unit having a pos... | 10/07/2008 |
| 7428107 | Zoom lens and image pickup apparatus having the same A zoom lens includes first to fifth lens units arranged in sequence from an object side to an image side, and having positive, negative, positive, negative, and positive refractive powers in that order. The zoom lens performs zooming by moving the first to fifth len... | 09/23/2008 |
| 7423817 | Image pickup lens and image pickup device An image pickup lens is disclosed, comprising three lenses characterized in that the lenses comprise a first lens L1 having a convex surface facing a subject side and positive refracting power, an aperture S, a second lens L2 having a convex surface fa... | 09/09/2008 |
| 7423819 | Fixed-focus lens A fixed-focus lens including a first lens group, a second lens group, and a third lens group is provided. The first lens group has a negative refractive power, includes a plurality of lenses, and is disposed between an object side and an image side. The lenses of th... | 09/09/2008 |
| 7420611 | Electronic image pickup system The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and, hence, an electronic image pickup system. The electronic image pickup... | 09/02/2008 |
| 7417684 | Electronic image pickup system The invention makes a suitable selection from zoom modes and lens elements so thin that the thickness of each lens group can reduced, thereby slimming down a zoom lens with great thoroughness and, hence, an electronic image pickup system. The electronic image pickup... | 08/26/2008 |
| 7417800 | Zoom lens system A zoom lens system includes a negative first lens group, a positive second lens group, a positive third lens group and positive fourth lens group, in this order from the object. The negative first lens group includes a reflection member, and the first lens gr... | 08/26/2008 |
| 7414665 | Imaging system The invention relates to an imaging system in which, while high image quality is maintained with the influence of diffraction minimized, the quantity of light is controlled, and which enables the length of the zoom lens to be cut down. The imaging system comprises a... | 08/19/2008 |
| 7411740 | Zoom lens Disclosed is a zoom lens, which includes, in sequence from an object side to an image side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, a fifth lens group, a negative sixth lens group and a po... | 08/12/2008 |
| 7401987 | Photographing lens having an eccentricity adjusting device A photographing lens includes an eccentricity adjusting frame which holds an eccentricity adjusting lens group serving as a part of a photographing optical system of the photographing lens; a lens support frame, an axis of which is coincident with a predetermined op... | 07/22/2008 |
| 7391457 | Image sensor module with light-shielding diaphragm made of ink, and method of making the same An image sensor module includes a lens member, a resin frame that holds the lens member, a diaphragm formed on the lens member, an image sensor chip that receives light converged by the lens member, and a supporting board upon which the image sensor chip is mounted.... | 06/24/2008 |
| 7388719 | Camera system Disclosed is a camera system equipped with a pair of photographing systems and a drive mechanism. Each of the pair of photographing systems of the camera system is equipped with an image pickup element and a zoom lens for forming an object image on the image pickup ... | 06/17/2008 |
| 7379252 | Endoscope objective lens system An endoscope objective lens system includes a negative front lens group, a diaphragm, and a positive rear lens group, in this order from the object. The negative front lens group includes one lens element, or a plurality of non-cemented lens elements; and the most o... | 05/27/2008 |
| 7375903 | Imaging lens An imaging lens is provided and includes: in order from the object side, a first lens having a convex surface on the object side and having a positive power; an aperture diaphragm; a second lens having a concave surface on the object side and having a negative power... | 05/20/2008 |
| 7372642 | Three-channel camera systems with non-collinear apertures A three-dimensional imaging system uses a single primary optical lens along with three non-collinear apertures to obtain three offset optical channels each of which can be separately captured with an optical sensor. ... | 05/13/2008 |
| 7372641 | Contrast reinforcement for displays The invention relates to a method and a device for contrast enhancement for display devices. A high-contrast representation of optical signals and/or symbols is achieved by providing a light-absorbing and/or light-deflecting background which is dark in comparison to... | 05/13/2008 |
| 7365912 | Compact zoom lens A compact zoom lens suitable for an imaging optical system using a solid-state image sensing device is provided. The zoom lens includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens gr... | 04/29/2008 |
| 7355801 | Image pickup lens assembly An image pickup lens assembly comprises three lens groups, from the object side to the image side: a first lens group, a second lens group, and a third lens group. The first lens group includes two lenses with refractive power, namely, a first lens with positive ref... | 04/08/2008 |
| 7349068 | Lithographic apparatus and device manufacturing method A system and method are provided including different moveable lenses within a projection system that can be placed in the path of a radiation beam to change a magnification of the projection system. By changing the magnification of the projection system an area of a... | 03/25/2008 |
| 7339744 | Electronic imaging apparatus An electronic imaging apparatus includes a zoom optical system having, in order from the object side, a first lens unit with negative power and a second lens unit with positive power, in which lens components having refracting power in the first lens unit are only a... | 03/04/2008 |
| 7336429 | Zoom lens system Providing a zoom lens system that satisfies making the focusing lens light and reducing a moving amount for focusing, simultaneously. The zoom lens system includes a first lens group having positive power, a second lens group having negative power and a third lens g... | 02/26/2008 |
| 7332689 | Tacking method and apparatus An apparatus for tacking a multi-lumen tubular assembly together comprises a laser, an optical member and a placement tray for retaining the tubular assembly. A portion of the optical member defines a window that is substantially transparent to laser energy emitted ... | 02/19/2008 |
| 7330316 | Zoom lens system Object is to provide an inner-focusing type zoom lens system carrying out focusing by moving a portion of a first lens group suitable for an auto-focus SLR camera. A zoom lens system includes, in order from an object, a first lens group having positive refractive po... | 02/12/2008 |
| 7321470 | Camera A camera having a lens barrel housed therein includes a reflection optical member for reflecting a light beam incident along a first optical axis (O1) from a subject so as to reflect the light beam toward a second optical axis (O2) intersecting the fir... | 01/22/2008 |
| 7317580 | Zoom lens In this invention, to provide a compact zoom lens having a small number of optical element groups to be driven and a simple moving mechanism, at least one of a plurality of optical element groups arranged in the lens system includes a refractive power variable eleme... | 01/08/2008 |
| 7308891 | Products and processes for archery and firearm sights Archery and firearm sight products and processes are disclosed. In an exemplary embodiment an apparatus may comprise a sight ring and a shaft. The sight ring may comprise a proximal end, a distal end, and a track. The track may comprise a major axis disposed substan... | 12/18/2007 |
