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| Number | Title | Issue Date |
| 8023204 | Compact short back focus imaging lens system with two lenses A compact short back focus imaging lens system with two lenses is revealed and includes along the optical axis from an object side to an image side: an aperture stop, a first lens with positive refractive power that is a meniscus aspherical lens with convex surface ... | 09/20/2011 |
| 7957076 | Optical lens system for taking image An optical lens system for taking image comprises, in order from an object side to an image side: a first lens element with positive refractive power having an aspheric convex object-side surface and an aspheric concave image-side surface; a second lens element with... | 06/07/2011 |
| 7948689 | Image pickup lens, image pickup device, and mobile terminal device An image pickup lens, comprises sequentially from an object side: an aperture stop, a first lens being a positive meniscus lens which has a convex surface at the object side and a concave surface at an image side opposite to the object side, and a second lens having... | 05/24/2011 |
| 7885015 | Two-lens type optical lens system for taking image A two-lens type optical lens system for taking image consists two lens elements with refractive power, from the object side: a positive first lens element with a convex object-side surface and a concave image-side surface, both the object-side surface and the image-... | 02/08/2011 |
| 7880978 | Objective lens system A high performance fixed focal length optical imaging system for example for a cine camera is operable to receive radiation from an object space and deliver the received radiation through the optical system so as to form an image at an image surface in an image spac... | 02/01/2011 |
| 7872811 | Imaging optical system, and imaging apparatus incorporating the same An imaging optical system consists of, in order from its object side, a front lens group of negative refracting power, and a rear lens group of positive refracting power. A lens component is defined by a lens body having only two surfaces: an object side surface and... | 01/18/2011 |
| 7839580 | Compact imaging lens assembly This invention provides a compact imaging lens assembly comprising, in order from an object side to an image side: a first lens element with negative refractive power having a convex object-side surface and a concave image-side surface; a second lens element with po... | 11/23/2010 |
| 7821724 | Photographing optical lens assembly The present invention provides a photographing optical lens assembly comprising, in order from the object side to the image side: a first lens element with positive refractive power having a convex object-side surface and a concave image-side surface, the object-sid... | 10/26/2010 |
| 7808722 | System and method for inducing far field transparency with negative index materials A lens system with a lens formed of a material having a negative index of refraction in an operational frequency range, a first surface of the material having a convex hyperbolic curvature, and a second surface of the material having a concave circular curvature. A ... | 10/05/2010 |
| 7667901 | Lens unit A lens unit includes a front group, a stop, and a rear group, in order from the object side toward the image side. The front group includes at least: a first lens having a negative meniscus shape; a negative second lens formed from a plastic and having an aspherical... | 02/23/2010 |
| 7633688 | Image forming optical system An image forming optical system which comprises a negative lens unit and a positive lens unit arranged in order from an object side. The negative lens unit includes, in order from the object side, a first negative lens and a second negative lens, or a first negative... | 12/15/2009 |
| 7570436 | Two piece type optical lens An optical lens, especially an optical lens for mobile phones or image sensors such as CCD (Charge Coupled Device) or CMOS (Complementary Metal Oxide Semiconductor) is formed by a two-piece lens featuring high performance, minimized total length and low cost. ... | 08/04/2009 |
| 7492528 | Two-piece type optical imaging lens A two-piece type optical imaging lens that includes a first lens element with positive refractive power, a second lens element with positive refractive power, an IR cut-off filter and an image sensor arranged along an optical axis in order from an object side. The f... | 02/17/2009 |
| 7436604 | Optical lens system for taking image An optical lens system for taking image comprises two lens elements with refractive power, from the object side to the image side: a first lens element with positive refractive power having a convex object-side surface and a concave image-side surface, the object-si... | 10/14/2008 |
| 7436597 | Projection lens A first lens group having a negative refractive power, an aperture diaphragm, and a second lens group having a positive refractive power are arranged in order from an enlargement side. A reduction side of a projection lens is made essentially telecentric. Further, c... | 10/14/2008 |
| 7428109 | Image pickup lens system and image pickup apparatus An image pickup lens system includes, successively in order from an object side, an aperture stop, a first lens as a double-convex positive lens, and a second lens as a negative meniscus lens having a convex surface on an image side. Each of the first and second len... | 09/23/2008 |
| 7400457 | Rectangular flat-top beam shaper The invention relates to a beam shaping system for providing a square or rectangular laser beam having a controlled intensity profile (uniform, super gaussian or cosine corrected for example) from an incident non-uniform beam intensity profile laser beam source (a G... | 07/15/2008 |
| 7372639 | Subminiature optical system A subminiature imaging optical system with two lenses is provided. The optical system includes an aperture stop. A first meniscus lens has a positive refractive power, and includes aspherical surfaces at both of object and image sides. The object side of the first m... | 05/13/2008 |
| 7372644 | Imaging lens An imaging lens including, in order from an object side towards an image surface side, a diaphragm, a first lens which is a meniscus lens having a positive power whose convex surface faces the object side, and a second lens which is a lens having a positive power wh... | 05/13/2008 |
| 7362509 | Zoom lens A zoom lens includes, in sequence from the object side: a first lens group with an overall negative refractive power; and a second lens group with an overall positive refractive power. A zoom factor changes by moving the second lens group. Focal adjustments are made... | 04/22/2008 |
| 7352789 | Laser light irradiation apparatus and laser light irradiation method Laser light is emitted from a laser oscillator, and the laser light is made to enter a beam expander optical system including a concave lens through a correction lens. The laser oscillator, the correction lens and the concave lens are disposed so that, when an emiss... | 04/01/2008 |
| 7352519 | Lens module Combining one or more elements of a beam shaping assembly in a lens module to, for example, reduce the mechanical tolerances in construction of the assembly. An exemplary lens module comprises a molded plastic lens with alignment features, a cylindrical surface, a f... | 04/01/2008 |
| 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 |
| 7321475 | Image pick-up lens system An image pick-up lens system includes an aperture stop (10), a biconvex first lens (20), and a meniscus-shaped second lens (30) having a concave surface on a side of an object. The aperture stop, the first lens and the second lens are aligned in... | 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 |
| 7298561 | Optical device A front group is formed of a negative first lens as a meniscus lens which is convex at the object side and a negative second lens, and a rear group is formed of a biconvex positive third lens, an aperture stop, a negative fourth lens and a biconvex positive fifth le... | 11/20/2007 |
| 7295383 | Imaging lens It is to provide an imaging lens that maintains optical performance and achieves reduction in size and weight. The imaging lens comprises, in order from an object side towards an image surface side, a first lens which is a meniscus lens having a positive power whose... | 11/13/2007 |
| RE39911 | Wide field of view projection lenses for compact projection lens systems employing pixelized panels A projection lens for use with LCD panels is provided. The lens has a first lens unit which includes a strong negative lens element having an aspherical surface which provides distortion correction, and a second lens unit which includes a first lens subunit separate... | 11/06/2007 |
| 7289273 | Zoom lens and electronic imaging apparatus having the same A zoom lens includes, in order from the object side, the first lens unit consisting of one negative lens component in which a plurality of lens components are cemented to one another and the second lens unit including one negative lens component and having positive ... | 10/30/2007 |
| 7283702 | Method and apparatus for optimizing the target intensity distribution transmitted from a fiber coupled array Encircled far field energy is substantially increased by modifying the near field energy distribution of radiation from each fiber in an emitting array. Each beamlet output from a fiber is modified to have a generally uniform cross-sectional energy distribution, usi... | 10/16/2007 |
| 7274646 | Object lens for an infinite-type optical pickup, optical pickup and optical information processing device As an object lens for an optical pickup, applied is a single-lens and both-side-convex configuration is applied. Further, specific conditional formulas are created with respect to a particular numerical aperture NA, for a paraxial curvature radius R1 on the surface ... | 09/25/2007 |
| 7259849 | Optical system for micro analyzing system There is provided an optical system 8 for a micro analyzing system capable of precisely analyzing a sample. In the optical system 8, after light beams leaving the tip of an optical fiber 14 pass through a condensing part 13, a sample movi... | 08/21/2007 |
| 7253968 | Optical pickup device, optical information recording and reproducing apparatus and objective lens An optical pickup device comprises a light source to emit a light flux having wavelength λ; an objective lens including at least two plastic lenses of a first plastic lens having positive refractive power and a second plastic lens having positive refractive power, ... | 08/07/2007 |
| 7239459 | Scanning device including plastic high-numerical aperture objective An optical scanning device for scanning an information layer (104) of an optical record carrier (102) includes a radiation source (110) for generating a radiation beam (108) and a high-NA objective system (118) for converging the r... | 07/03/2007 |
| 7236315 | Compact lens system A compact lens system includes a first positive lens element (1) on the object side and a second negative lens element (2) on the image side. The first positive lens element is a meniscus lens having a convex surface (11) facing the object side.... | 06/26/2007 |
| 7215477 | Zoom lens and image display apparatus including the zoom lens Provided is a projection lens, including: a plurality of moving lens units that move on an optical axis for zooming; and a plurality of plastic lenses containing plastic, in which when a focal distance of an i-th positive lens from a predetermined plane side of N po... | 05/08/2007 |
| 7212355 | Image pick-up lens system An image pick-up lens system includes an aperture stop (10), a biconvex first lens (20), and a meniscus-shaped second lens (30) having a concave surface on a side of an object. The aperture stop, the first lens and the second lens are aligned in... | 05/01/2007 |
| 7206144 | Imaging lens and imaging apparatus An imaging lens system includes a first lens having a meniscus profile with a convex surface facing an object side and having a positive refractive index; an aperture diaphragm; and a second lens having a meniscus profile with a convex surface facing an image side a... | 04/17/2007 |
| 7206141 | Image pick-up lens system An image pick-up lens system includes an aperture stop (10), a first lens (20), and a second lens (30) having a concave surface on an object side. The aperture stop, the first lens and the second lens are aligned in that order from the object si... | 04/17/2007 |
| 7190528 | Zoom lens and image projection apparatus having the same A zoom lens comprises a plurality of lens units including a first lens unit disposed most adjacent to an enlargement side and having negative refractive power, wherein one or more lens units of the plurality of lens units are moved in the direction of the optical ax... | 03/13/2007 |
