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| Number | Title | Issue Date |
| 7742159 | Apparatus for checking concentricity between lens barrel and barrel holder An apparatus for checking concentricity between a barrel holder and a lens barrel rotatably engaging with the barrel holder is provided. The lens barrel includes at least one lens coaxially received therein. The apparatus includes a barrel holder retaining member, a... | 06/22/2010 |
| 7701563 | Apparatus for measuring decenter error of a lens A lens decenter error measuring apparatus including a testing device, a lens supporter, and a lens carrier is disclosed. The testing device is configured for measuring a decenter error of a lens. The lens supporter is configured for receiving the lens. The lens carr... | 04/20/2010 |
| 7656513 | System for checking centration of lens surfaces of aspheric lens A system for checking centration of lens surfaces of an aspheric lens includes a light-emitting device, a lens holder and an image processing device. The light-emitting device emits a light. The lens holder positions the aspheric lens in a light path of the light em... | 02/02/2010 |
| 7538863 | Device and a method of automatically detecting various characteristics of an ophthalmic lens Device (100) for automatically detecting various characteristics of an ophthalmic lens (10), the device includes a support (110) adapted to receive the lens. The support is displaceable in translation along two mutually perpendicular axes, and i... | 05/26/2009 |
| 7535557 | Lens measuring method and device for determining decenter and tilt of the lens A device for measuring a lens, comprising a first interferometer having a first optical axis and carried on a first adjustment base, a lens holder for holding the lens having a first surface having a first lens optical axis and a second surface having a second lens ... | 05/19/2009 |
| 7515255 | Method and apparatus for detecting concentricity of lens module A detecting apparatus includes a light source configured (i.e., structured and arranged) for irradiating the lens module with light, the light being brought into a focus by the lens module; a detecting device configured for measuring and recording a location of the ... | 04/07/2009 |
| 7440089 | Method of measuring decentering of lens Disclosed is a measuring method which can measure the decentering of an axis by the measurement of a two-dimensional curved surface profile. This method has a first step of measuring a profile of a examined surface by a probe from a first reference position which is... | 10/21/2008 |
| 7440088 | Methods and devices for measuring a concentrated light beam Methods and devices are provided for profiling a beam of light that includes a wavelength λ. The beam of light is received. Secondary light is generated at a wavelength λ′ different from wavelength λ by fluorescing a material with the received beam of light. Th... | 10/21/2008 |
| 7400388 | Method for determining distortion and/or image surface A method for determining at least one of distortion and de-focus for an optical imaging system. The method includes determining wavefront aberrations in a pupil plane of the optical imaging system by a wavefront measurement method, determining focus offset measured ... | 07/15/2008 |
| 7350309 | Extendable spacer device A spacer device for laser-optical measurement of hollow cylinders has at least two, preferably three arms which are coupled or interlaced with one another and which can be moved relative to one another. Each of the arms has a measurement roller on one end which is b... | 04/01/2008 |
| 7349078 | Characterization of lenses In accordance with one embodiment of the present invention, a method of characterizing a lens is provided. According to the method, an optical source such as a laser is configured to generate a collimated beam that is focused along an optical axis at a distance f | 03/25/2008 |
| 7310136 | Method and apparatus for measuring prism characteristics Disclosed herein is a method comprising illuminating a microstructured prism, or linear array of prisms of a prism sheet with an incident beam. The method further comprises making measurements of the refracted image of the beam on a measuring device to measure the d... | 12/18/2007 |
| 7307709 | Device and method for optical center detection A device is presented for computing an optical center of a sensor array relative to a lens. The sensor array includes a plurality of sensor units, and each sensor unit has a position on the sensor array. The lens defines an optical axis. The device includes a config... | 12/11/2007 |
| 7307708 | Eccentricity measuring method and eccentricity measuring apparatus A surface to be tested and an optical system for projecting an index to an apparent spherical center position of the surface to be tested are moved relative to each other and an eccentric quantity of the surface to be tested is calculated from an movement quantity. ... | 12/11/2007 |
| 7307706 | Optical testing method and apparatus Estimating one or more optical characteristics of a Device-Under-Test (DUT). The method, includes directing an optical wavefront, generated by a source, towards a test location and generating at least one ray from the wavefront at the test location. Then for each ra... | 12/11/2007 |
| 7301614 | Lens-refracting characteristic measuring apparatus A lens-refracting characteristic measuring apparatus includes a measuring optical device to measure refracting characteristics of eyeglass lenses, an input device to input a pupillary distance of eyes of a person wearing eyeglasses, and an arithmetic and control cir... | 11/27/2007 |
| 7286212 | Apparatus and method for measuring eccentricity of aspherical surface An apparatus for measuring the eccentricity of the aspherical surface has a light source unit; a condenser lens condensing light rays in the proximity of the center of paraxial curvature of a surface to be examined, of an aspherical lens; an angle changing means for... | 10/23/2007 |
| 7280191 | Lens meter A lens meter that measures optical characteristics of lenses of an eyeglass unit and an inspection glass unit, including a glass unit support, light sources, light-projecting and -detecting optical systems, light detectors, and inspection glass frame adaptors for th... | 10/09/2007 |
| 7256881 | Systems and methods for inspection of ophthalmic lenses An automated lens inspection system that images the edge and surface of an ophthalmic lens transmits light through the ophthalmic lens to a camera to create a complete digital image of the lens edge or lens surface. The digitized image(s) is(are) analyzed to detect ... | 08/14/2007 |
| 7245362 | Lens meter A lens meter excellent in operability during alignment capable of informing in which direction a subject lens should be moved. A lens meter has a measurement optical system having an optical axis, a light source projecting a light bundle onto the lens, and a photo-s... | 07/17/2007 |
| 7221463 | Positioning apparatus, exposure apparatus, and method for producing device The present invention provides a positioning apparatus capable of performing six-axis micro adjustment of an optical element in an exposure apparatus with high accuracy, and the exposure apparatus. The positioning apparatus of the present invention includes a first ... | 05/22/2007 |
| 7193730 | Eccentricity measuring instrument of polygon-mirror motor An eccentricity measuring instrument of polygon mirror motors includes a first light source, an optical position detecting element for detecting a position of first reflection light, i.e. first measuring light emitted from the first light source and reflected on the... | 03/20/2007 |
| 7167584 | Device for acquiring a three-dimensional shape by optoelectronic process The invention concerns a device for acquiring the three-dimensional shape of an object (10) by opto-electronic process, comprising a chromatic system (18) for illuminating the object (10) and for picking up the light reflected or backscattered b... | 01/23/2007 |
| 7158222 | Method and device for evaluating spectacle lens or mold for molding spectacle lens, and method and system for manufacturing spectacle lens A dioptric power distribution measuring device (1) measures the dioptric power distribution of a target lens. A computer (3) constructs a design lens spatial model in a virtual space, and calculates the dioptric power distribution of the design lens sp... | 01/02/2007 |
| 7155030 | Camera calibration system using planar concentric circles and method thereof The invention relates to a camera calibration system and method thereof which is capable of easily performing camera calibration using a concentric circle pattern. According to the invention, a method of calibrating a camera calibrates the intrinsic parameters of th... | 12/26/2006 |
| 7153184 | Method and apparatus for producing optical glasses The invention relates to a method and an apparatus for producing optical glasses. The glasses are polished and marked, following a shaping process. The polishing and marking steps are carried out in a common processing cell which comprises a polishing station, a was... | 12/26/2006 |
| 7142293 | Optical system for automatic lens meter An optical system for an automatic lens meter for measuring the refractive power of a lens to be examined. The optical system includes a light source for generating a measuring light beam, a convex collimator lens, disposed a predetermined focal distance from the li... | 11/28/2006 |
| 7075633 | Method and system for measuring the imaging quality of an optical imaging system An object pattern is imaged by an imaging system onto the image plane of the imaging system at a location where a reference pattern suited to the object pattern is situated in order to measure the imaging fidelity of an optical imaging system, for example, an eyegla... | 07/11/2006 |
| 7059037 | Blocking apparatus providing an adjustable offset for precision alignment According to one aspect, the invention provides a blocking apparatus and a blocking method for precisely aligning a button holder against a block during blocking process of lens manufacturing. According to another aspect, the invention provides an adjustable offset ... | 06/13/2006 |
| 7046351 | Method and apparatus for measuring eccentricity of optical lens, and method and apparatus for centering and edging optical lens An apparatus for measuring eccentricity of an optical lens includes a rotary lens holder which supports a first lens surface of an optical lens by vacuum aspiration; a first determining device for determining whether a curvature center of a central portion of the fi... | 05/16/2006 |
| 7023542 | Imaging method and apparatus The present invention relates to imaging apparatus and method for detecting optical properties of transparent media. The present invention superimposes, either optically or electronically, at least two images of the transparent media in order to obtain the optical p... | 04/04/2006 |
| 7009786 | Adjustable mount for cylindrical lens A positioning device disposes an optical component with respect to an optical axis. The positioning device has a lens carrier (14) for housing the lens (18) or other optical component, a mount (12) supporting the lens carrier along the optical a... | 03/07/2006 |
| 6993165 | System having a rotating optical system and a non-planar prism that are used to obtain print and other hand characteristic information A rotating optical system includes an optical element and a measuring device for locating and/or scanning a full palm print and/or full palm and fingerprint for a hand positioned on a non-planar surface of an optical element. The hand is placed on the non-planar sur... | 01/31/2006 |
| 6985183 | Method for exploring viewpoint and focal length of camera The present invention is a method for exploring the viewpoint and focal length of a fisheye lens camera (FELC). It employs the characteristic of the central symmetry of the distortion of the fisheye lens (FEL) to set its optic axis by means of a calibration target w... | 01/10/2006 |
| 6954418 | APPARATUS FOR ADJUSTING SIGNAL LEVELS DERIVED FROM AN OPTICAL DISC TO BECOME EQUAL TO A REFERENCE LEVEL DETERMINED FROM AT LEAST ONE OF THE SIGNAL LEVELS OF THE SIGNALS AND FOR SYNTHESIZING THE SIGNALS A plurality of light receiving detectors receive a plurality of segments of a beam returning from an optical disc when a reading beam of light is radiated to the optical disc. An optical pickup assembly produces a plurality of signals from the beam segments in accor... | 10/11/2005 |
| 6937407 | Transmission device for a two dimensional image display module to display an image in the module A transmission device for a 2D image display module includes rods in the box, a transmission element slidably mounted around the rods, a motor in the box and having a disk rotatably connected to a motor shaft, a driving rod eccentrically formed on top of the disk an... | 08/30/2005 |
| 6867435 | Microoptical system and fabrication method therefor Microoptical systems with clear aperture of about one millimeter or less are fabricated from a layer of photoresist using a lithographic process to define the optical elements. A deep X-ray source is typically used to expose the photoresist. Exposure and development... | 03/15/2005 |
| 6851870 | Method for measuring and assembling transceiver optical sub-assembly In measuring and assembling a transceiver optical sub-assembly that includes a one-piece or two-piece housing having two opposite apertures separately for an optical fiber and a functional element to assemble thereto, and a lens located between the fiber and the fun... | 02/08/2005 |
| 6844925 | Apparatus for measuring refractive power A refracting power measuring apparatus according to the present invention comprises an optical system 1 for projecting a measuring light P toward a lens TL wet with liquid 12, a light receiving sensor 7 for receiving and outputting the measuring... | 01/18/2005 |
| 6798501 | Cup attaching apparatus In a cup attaching apparatus, a cup is attached as a processing jig to a subject lens along a reference axis, the lens and an index plate having an index of a predetermined pattern are illuminated by substantially parallel rays of light shaped into a diameter larger... | 09/28/2004 |
