Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8089705 | Objective lens for optical pick-up There is provided an objective lens for an optical pick-up. The objective lens includes a first surface on a light source side, and a second surface on an optical disc side. The first surface has a convex shape. The objective lens is formed to be a single-element le... | 01/03/2012 |
| 8045279 | Molded lens and molding tool A lens is manufactured by hardening soft material filled inside a molding tool by cooling. The lens includes a convex lens portion having an optical axis, and a marking portion located outside of an effective diameter of the lens portion. The shape or the position o... | 10/25/2011 |
| 8035901 | Laser scoring with curved trajectory Disclosed are systems and methods for scoring and separating a glass sheet along a curved trajectory using a laser and optics. The system includes a laser that generates a laser beam, a focusing lens, and a conical optical component, such as a conical lens or a refl... | 10/11/2011 |
| 7995290 | Objective lens, optical pickup device, and optical recording/reproducing apparatus An objective lens for converging light emitted from a light source on an optical recording medium to record and reproduce information consists of a single lens having at least one aspheric surface. The following conditional expressions (1) to (3) are satisfied: ... | 08/09/2011 |
| 7916402 | Imaging optical system for camera and video telephony camera employing the same An imaging optical system for a camera and a video telephony camera employing the imaging optical system. The imaging optical system includes a stop and a first lens that are sequentially arranged from an object side. The first lens has a positive refractive power a... | 03/29/2011 |
| 7898748 | Optical recording/reproducing apparatus An optical recording/reproducing apparatus is arranged so that, upon recording or reproducing a recording medium having a plurality of recording layers, the gap of the lens groups at the time of forming a converged light spot on this first recording layer is DIS (1)... | 03/01/2011 |
| 7835087 | Method of producing a lens A method of producing a lens that includes shifting a first die relative to a second die, and pressing an optical material shaped in a preliminary form between the first die and the second die so as to form a lens having a configuration corresponding to a hollow por... | 11/16/2010 |
| 7733578 | Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same When the DVD provided with the DVD substrate 2 having thickness t2 of 0.6 mm is installed in the optical disc apparatus, the light beam 4 having wavelength λ1=655 nm is used as luminous flux of numerical aperture NA=0.63 to be co... | 06/08/2010 |
| 7692875 | Optical pickup and optical disk device having this pickup An optical pickup according to the present invention includes a plurality of light sources for emitting a plurality of light beams including first and second light beams of respectively different wavelengths, an objective lens for converging the plurality of light b... | 04/06/2010 |
| 7649698 | 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... | 01/19/2010 |
| RE40954 | Objective lens and optical head device An objective lens (1) for an optical disk, which focuses a light beam from a light source, is designed so that a third-order coma aberration generated when the objective lens is inclined at a unit angle is larger than a third-order coma aberration generated w... | 11/10/2009 |
| 7593170 | Random negative index material structures in a three-dimensional volume Materials and methods for fabricating and using negative index materials are disclosed. A negative index material comprises a three-dimensional volume including a bulk solution and a plurality of unit cells disposed in the bulk solution in a substantially random pat... | 09/22/2009 |
| 7589914 | Molded lens A laser beam output from a semiconductor laser light source 1 is transmitted through a cover glass 2 in the optical axis Z direction, is incident on a molded lens 4 in a state of divergent rays, is converted into convergent rays by the molded le... | 09/15/2009 |
| 7551371 | Optical pickup apparatus and optical disc apparatus There is provided an optical pickup apparatus which includes a light source that generates light irradiating an optical recording medium; and an objective lens that collects the light irradiated from the light source on a recording surface of the recording medium, w... | 06/23/2009 |
| 7548383 | Optical pickup and objective lens used therein An optical pickup 1 includes a collimator lens 13 for changing the shape of a laser light by moving on the optical axis AX from a base point. An objective lens 15 is set so as to form a spot of which size, when the collimator lens 13 is l... | 06/16/2009 |
| 7529039 | Object lens device with high numerical aperture and optical pickup device adopting the same An object lens arranged on a light proceeding path to focus light on a recording medium includes a first surface that is an incident surface on which light is incident, a second surface from which light exits to be focused on the recording medium, and a diffractive ... | 05/05/2009 |
| 7515356 | Optical disk apparatus with protection member for objective lens A protection member for preventing the contact of an objective lens with an optical disk is a thin plate member composed of an elastic material softer than a cover layer of the optical disk and has a plurality of convex-shaped parts formed on a surface thereof, whic... | 04/07/2009 |
| 7508596 | Objective lens, optical pickup device, and optical disc apparatus An objective lens is included in an optical pickup device that records and/or reproduces an information signal onto and/or from an optical recording medium. The objective lens has a numerical aperture of 0.82 or higher, has first and second surfaces that are both as... | 03/24/2009 |
| 7502176 | Combined laser source having deflection member A combined laser source includes: a plurality of semiconductor lasers which contain emission elements emitting a plurality of laser beams and being separately and hermetically sealed; a plurality of collimator lenses which collimate the plurality of laser beams emit... | 03/10/2009 |
| 7495844 | Wide-angle optical system for solid-state image pickup device It is to provide a wide-angle optical system for a solid image pickup device that favorably corrects distortion. The imaging lens is a biconvex lens, the object side face is formed into an aspheric shape in which the negative refracting power becomes stronger the fa... | 02/24/2009 |
| RE40638 | Image pickup lens system An image pickup lens system includes a lens 1 of a meniscus shape having a first face as a convex concave face, and a diaphragm 2 disposed on an object side of the lens 1. The lens 1 meets the following conditions: Y′/fl equal to or la... | 02/17/2009 |
| 7463430 | Diffraction element, objective lens unit, optical pickup, optical disc apparatus and design method for diffraction element The first and second materials of the diffraction element are selected such that the first material's refraction indexes n1(λ1), n1(λ2) and n1(λ3) for the first, second and third wavelengths λ1, λ2 and λ3... | 12/09/2008 |
| 7446950 | Method of manufacturing a molded article, manufacturing device and objective lens for optical pickup A method of manufacturing an optical element, such as an objective lens, by heat-softening optical glass and press molding it with high precision in a pressing mold. The method comprises press-molding a molding material with a pressing device, comprising a pair of m... | 11/04/2008 |
| 7440382 | Objective optical element with multiple diffractive surfaces and optical pickup device An objective optical element for use in an optical pickup apparatus comprises a first optical surface including a first diffractive structure which comprises a plurality of concentric ring-shaped diffractive zones having a center on the optical axis and stepped surf... | 10/21/2008 |
| 7428113 | Device for reading from and/or writing to optical recording media The present invention relates to a device for reading from and/or writing to optical recording media, having a light source for producing a scanning beam for scanning the optical recording medium, detection means for detecting the beam influenced by the optical reco... | 09/23/2008 |
| 7423953 | Optical module and optical recording and/or reproducing apparatus An optical module has a first light source which emits a first light beam from a first light emission point in a predetermined direction, a second light source which emits a second light beam from a second light emission point in the predetermined direction, and an ... | 09/09/2008 |
| 7414796 | Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same When the DVD provided with the DVD substrate 2 having thickness t2 of 0.6 mm is installed in the optical disc apparatus, the light beam 4 having wavelength λ1=655 nm is used as luminous flux of numerical aperture NA=0.63 to be co... | 08/19/2008 |
| 7411743 | Multi-wavelength lens, and optical system, optical head and optical disc apparatus using the lens The multi-wavelength lens for condensing a plurality of kinds of monochromatic light by refraction is disclosed. The lens comprises a common use area for all monochromatic light on at least one lens surface, the area sectioned into a plurality of aspherical zones ea... | 08/12/2008 |
| 7411742 | Focusing lens for LED A focusing lens for an LED is provided. The focusing lens for an LED, which concentrates light emitted from the LED so as to have directionality parallel to an optic axis, comprises: a transparent body; a first lens part formed in the body; and a second lens part co... | 08/12/2008 |
| 7367682 | Color image projection arrangement and method A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in color. | 05/06/2008 |
| 7365921 | Lens and projection headlight of a motor vehicle including same The plano-convex lens of a projection headlight has a holding edge (4) integrally formed on an outer lens edge and a supporting edge (5) projecting from its plane surface (3) and formed integrally with the holding edge (4). The supporting... | 04/29/2008 |
| 7362514 | Imaging system, in particular a projection objective of a microlithographic projection exposure apparatus Imaging systems, in particular a projection objectives of a microlithographic projection exposure apparatus, are provided. The imaging systems can have an optical axis and produce an image field which is extra-axial relative to the optical axis. The imaging systems ... | 04/22/2008 |
| 7355560 | Dielectric lens, dielectric lens device, design method of dielectric lens, manufacturing method and transceiving equipment of dielectric lens A design process first determines a desired aperture distribution, then converts the electric power conservation law, Snell's law on the rear face side of a dielectric lens, and the formula representing light-path-length constraint, into simultaneous equations, and ... | 04/08/2008 |
| 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 |
| 7355798 | Optical system for collimating elliptical light beam and optical device using the same An optical system (20) for efficiently collimating an elliptical light beam includes a light source (21), a collimator (22), and at least one prism (23,24). The light source is adapted for providing an elliptical light beam defining diffe... | 04/08/2008 |
| 7352517 | Optical pickup apparatus An optical pickup apparatus for conducting at least recording or reproducing of information on two types of optical information recording media having protective substrates with different thicknesses, includes: a first light source for emitting a first light flux wi... | 04/01/2008 |
| 7352518 | Objective optical system and optical pickup apparatus An objective optical system according to the present invention is provided for use in an optical pickup apparatus for recording or reproducing information on an information recording surface of a first optical information recording medium using a first light flux em... | 04/01/2008 |
| 7349163 | High-heat-dissipation lighting module There is provided a lighting module of the type having a solid-state light source, in particular a LED, a supporting plate, and a lens; the lens has a recess housing the light source; the lens is supported by and projects from the plate by means of supporting member... | 03/25/2008 |
| 7345829 | Objective lens Lens aberration in an objective lens for recording and reproducing optical information, which is composed of a molded aspherical single lens, is inhibited while at the same time good lens productivity is attained. Also attained are excellent optical properties and h... | 03/18/2008 |
| 7342865 | Objective lens for optical recording/reproducing device There is provided an objective lens which has positive refractive power and has a single lens element having an incident surface from which the collimated beam enters and an exit surface from which the collimated beam emerges. Further, the incident surface and the e... | 03/11/2008 |
