Patents Examined by Iyabo S. Alli
  • Patent number: 9182252
    Abstract: A probe for determining an absolute position of a rod relative to a cylinder with the rod having an associated pattern for indicating position includes a light source for emitting light. The probe further includes a light pipe for directing light emitted by the light source onto the pattern of the rod. A detector of the probe detects light and provides a signal indicative of the detected light. A lens produces an image of a portion of the pattern illuminated by the light on the detector and a controller is responsive to the signal from the detector for determining an absolute position of the rod relative to the cylinder.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: November 10, 2015
    Assignee: Parker Hannifin Corporation
    Inventors: Matthew Brian Dubin, Robert Joseph Pagano, James Cirillo
  • Patent number: 9182335
    Abstract: The present invention provides a method for inspecting a panel-bonding semi-finished product, which includes (1) placing a panel-bonding semi-finished product on a tray in a feeding station; (2) using a conveyance mechanism to convey the tray and the panel-bonding semi-finished product to a final display test station; (3) proceeding with a final display test on the panel-bonding semi-finished product and ending the test if the result fails and proceeding to the next step if the result passes; (4) conveying the tray and the panel-bonding semi-finished product to a final visual check station; (5) proceeding with final visual check for the panel-bonding semi-finished product that passes the final display test and if the result fails, ending the inspection and if the result passes, then proceeding to the next step; (6) conveying the tray and the panel-bonding semi-finished product to a quality inspection station; (7) proceeding with quality inspection on the panel-bonding semi-finished product; (8) conveying the
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: November 10, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Fangfu Chen, Tao Ding, Guodong Zhao, Ming Liu
  • Patent number: 9175947
    Abstract: A device for determining a position of an object (25) in a spatial region (28) comprises a light source (3), a light directing device (4-9), at least one reference signal detector (11, 12) and a detector arrangement (13, 14). The light source (3) generates a sequence of light pulses with a repetition rate. The light directing device (4-9) directs the sequence of light pulses into the spatial region (28) and, as a reference signal (20), to the at least one reference signal detector (11, 12). The detector arrangement (13, 14) detects a plurality of light signals (23, 24) which are reflected and/or scattered by the object (25) in the spatial region (28) into a plurality of different directions by reflection and/or scattering of the sequence of light pulses.
    Type: Grant
    Filed: August 22, 2009
    Date of Patent: November 3, 2015
    Assignee: Carl Zeiss AG
    Inventors: Cristina Alvarez Diez, Frank Hoeller, Bernd Spruck, Marc Tremont
  • Patent number: 9176060
    Abstract: The present invention provides apparatus and methods for measuring the optical density of a fluid by measuring the light transmission through a reconfigurable optical path. The optical path is reconfigured by the deflection of an elastic membrane wherein the optical path length through the fluid is determined by the position of the membrane relative to a fixed surface. The optical density can be determined from two measurements with different optical path lengths through the fluid.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: November 3, 2015
    Assignee: Pharyx, Inc.
    Inventors: Harry Lee, Kevin Shao-Kwan Lee
  • Patent number: 9151707
    Abstract: A method for checking an inspection device for a product flow, where the proper functioning of the inspection device can be checked even without using test containers specially provided for such checking, and having a radiation detector for measuring an inspection radiation after interacting with the products in order to detect a characteristic test radiation, and a further check is made as to whether the detected test radiation fulfills a target requirement characteristic of proper functioning of the inspection device.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: October 6, 2015
    Assignee: KRONES AG
    Inventor: Peter Lindner
  • Patent number: 9146190
    Abstract: Apparatus for inspecting product pieces in a product stream comprising a system for creating a stream of product pieces for delivery in free flight at a viewing station, first light means for illuminating the viewing station from one side with light for reflection from product therein, second light means for illuminating the viewing station from the other side with light for reflection from product therein, a scanning system for receiving light from the first and second illuminating means reflected from product pieces in the viewing station and transmitted across the viewing station, and means for activating the first and second light means alternately in first and second scanning phases to successively illuminate a product stream at the viewing station.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: September 29, 2015
    Assignee: Buhler Sortex Ltd.
    Inventor: Anthony Hug
  • Patent number: 9134339
    Abstract: A laser scanner measures 3D coordinates from a first position and a second position and uses a sensor unit that includes at least an accelerometer and gyroscope to register the 3D coordinates, the registration based at least in part on comparison to a measured sensor displacement to a preferred displacement value.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: September 15, 2015
    Assignee: FARO TECHNOLOGIES, INC.
    Inventors: Reinhard Becker, Martin Ossig, Bernd-Dietmar Becker
  • Patent number: 9121789
    Abstract: A laser based lens analysis device comprising of a laser for emitting a laser beam, a beam expander for increasing the diameter of the laser beam, a beam collimator for collimating the increased diameter laser beam, an aperture for controlling the collimated laser beam and rendering the collimated laser beam to be substantially symmetrical, and a beam profiler for analyzing the laser beam characteristics after the controlled-symmetrical laser beam passes through the lens being tested. A method for lens analysis comprising the steps of emitting a laser beam, increasing the diameter of the laser beam, collimating the increased diameter laser beam, rendering the collimated laser beam substantially symmetrical, directing the symmetrical laser beam towards the lens being tested, and analyzing characteristics of the directed laser beam after the directed laser beam passes through the lens being tested.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: September 1, 2015
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Christine Stanley, Adam Carlisle
  • Patent number: 9101433
    Abstract: A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: August 11, 2015
    Assignee: Align Technology, Inc.
    Inventor: Noam Babayoff
  • Patent number: 9091525
    Abstract: A method for focusing an object plane (42) through an objective (30) and an optical assembly (10), with which the method can be carried out, are disclosed. A geometric reference structure (21) is positioned in a plane (36) conjugate to a field plane (34) of the objective (30) and is imaged onto the object plane (42). The geometric reference structure (21) is illuminated with a light beam (24), which encloses a non-zero angle (?) with a normal direction (38) of the conjugate plane (36). Therefore a position (Y) of an image (22) of the geometric reference structure (21) in the object plane (42) depends on the signed distance (37) between the object plane (42) and the field plane (34), and correspondingly is evaluated for the determination of the focus position. The optical assembly (10) preferentially may be a metrology tool (100) for measuring structures (120) on masks (100), wherein the objective (30) is the measurement objective of the metrology tool (100).
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: July 28, 2015
    Assignee: KLA-Tencor MIE GmbH
    Inventors: Wolfgang Sulik, Lambert Danner, Alexander Buettner
  • Patent number: 9080991
    Abstract: Illumination subsystems of a metrology or inspection system, metrology systems, inspection systems, and methods for illuminating a specimen for metrology measurements or for inspection are provided. One illumination subsystem includes a light source configured to generate coherent pulses of light and a dispersive element positioned in the path of the coherent pulses of light, which is configured to reduce coherence of the pulses of light by mixing spatial and temporal characteristics of light distribution in the pulses of light. The illumination subsystem also includes an electro-optic modulator positioned in the path of the pulses of light exiting the dispersive element and which is configured to reduce the coherence of the pulses of light by temporally modulating the light distribution in the pulses of light. The illumination subsystem is configured to direct the pulses of light from the electro-optic modulator to a specimen.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: July 14, 2015
    Assignee: KLA-Tencor Corp.
    Inventors: Yung-Ho (Alex) Chuang, Vladimir Levinski, Xuefeng Liu, John Fielden
  • Patent number: 9074874
    Abstract: A method and device are provided for detecting and determining a type of a coating on either surface of a transparent sheet, measuring a thickness of the transparent sheet and measuring a spacing between at least two transparent sheets. The method and device include at least three discrete light sources, a 2D image generating device, a lens, and a processor. A reflected image area from the surfaces of the transparent sheet from each of the at least three discrete light sources produces a sparse spectrometer profile used to detect the coating and to determine the type of coating on either surface of the transparent sheet. A distance between the reflected image position from the at least three discrete light sources from both surfaces of the transparent sheet is used to calculate the thickness of the transparent sheet and the spacing between at least two transparent sheets.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: July 7, 2015
    Assignee: LiteSentry Corporation
    Inventor: Alan Blair
  • Patent number: 9068883
    Abstract: Apparatus for performing Raman spectroscopy may include a first laser source having a first emission wavelength and a second laser source having a second emission wavelength. A separation between the first and second emission wavelengths may correspond to a width of a Raman band of a substance of interest. A switch may provide switching between the first and second laser sources. An ensemble of individually addressable laser emitters may be provided. A Bragg grating element may receive laser light from the ensemble. An optical system may direct light from the Bragg grating element into an optical fiber. A combined beam through the optical fiber may contain light from each of the emitters.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: June 30, 2015
    Assignee: PD-LD, Inc.
    Inventors: Boris Leonidovich Volodin, Vladimir Sinisa Ban
  • Patent number: 9057708
    Abstract: Inspection equipment for mouth section of bottle-can, including: a rotating device which holds and rotates the bottle-can around a can-axis; a first illumination device which irradiates a first illumination light toward the curl portion in an imaging area; a second illumination device which irradiates a second illumination light having a different light color from that of the first illumination light toward the curl portion from an opposite side to the first illumination light with the imaging area therebetween; a third illumination device which irradiates a third illumination light having a different light color along an intersecting direction with the first and second illumination lights; an imaging device which is disposed toward the imaging area and obtains an inspection image including reflected lights at the curl portion; and an asperity-recognition device which detects an edge position of the curl portion based on the reflected light of the third illumination light.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: June 16, 2015
    Assignees: Kurashiki Boseki Kabushiki Kaisha, Universal Can Corporation
    Inventors: Akio Kurosawa, Tadayuki Sota
  • Patent number: 9052494
    Abstract: An optical system may include an objective having at least four mirrors including an outermost mirror with aspect ratio <20:1 and focusing optics including a refractive optical element. The objective provides imaging at numerical aperture >0.7, central obscuration <35% in pupil. An objective may have two or more mirrors, one with a refractive module that seals off an outermost mirror's central opening. A broad band imaging system may include one objective and two or more imaging paths that provide imaging at numerical aperture >0.7 and field of view >0.8 mm. An optical imaging system may comprise an objective and two or more imaging paths. The imaging paths may provide two or more simultaneous broadband images of a sample in two or more modes. The modes may have different illumination and/or collection pupil apertures or different pixel sizes at the sample.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: June 9, 2015
    Assignee: KLA-Tencor Technologies Corporation
    Inventors: Shiow-Hwei Hwang, Gregory L. Kirk, Hwan J. Jeong, David Shafer, Russel Hudyma
  • Patent number: 9046485
    Abstract: This disclosure relates generally to a sampling device, and more particularly, a sampling device that facilitates spectroscopic measurements with a variable path length and the necessary software controlled algorithms and methods for such a device.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: June 2, 2015
    Assignee: C Technologies Inc.
    Inventors: Mark Salerno, I-Tsung Shih, Craig Harrison
  • Patent number: 9030674
    Abstract: A device according to the invention (1) for monitoring the safety of at least one robot (2), having a non-contact detection apparatus (3A, 3B) for monitoring a working space (A) of at least one robot (2) in a monitoring mode (FIG. 1), is characterized by a switching means (1) for switching the detection apparatus into a measuring mode (FIG. 2) to measure at least one robot (2).
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: May 12, 2015
    Assignee: KUKA Roboter GmbH
    Inventor: Uwe Bonin
  • Patent number: 9013692
    Abstract: A flow cytometer assembly includes a fluid controller configured to form a hydrodynamically focused flow stream including an outer sheath fluid and an inner core fluid. A coherent light source is configured to illuminate a particle in the inner core fluid. A detector is configured to detect a spatially coherent distribution of elastically scattered light from the particle excited by the coherent light source. An analyzing module configured to extract a three-dimensional morphology parameter of the particle from a spatially coherent distribution of the elastically scattered light.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: April 21, 2015
    Assignee: East Carolina University
    Inventors: Xin-Hua Hu, Kenneth M. Jacobs, Jun O. Lu
  • Patent number: 8976347
    Abstract: Light that is scattered by a defect on a wafer is very weak, and a PMT and an MPPC are used as detection methods for measuring the weak light with high speed and sensitivity. The methods have a function of photoelectronically converting the weak light and multiplying an electron, but have a problem in that a signal light is lost and an S/N ratio is reduced because the quantum efficiency of the photoelectron conversion is as low as 50% or less. Direct light is amplified prior to the photoelectron conversion. The optical amplification is an amplification method in which the signal light and light of pump light are introduced into a rare-earth doped fiber, a stimulated emission is caused, and the signal light is amplified. In the present invention, the optical amplification is used. The amplification factor is changed according to various conditions.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: March 10, 2015
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Mizuki Oku, Kei Shimura
  • Patent number: RE45691
    Abstract: The present invention is directed to a fast, nondestructive measurement method for determining the contents of solid, liquid and/or suspended flowing organic compounds. The arrangement according to the invention comprises a sample vessel, a pump, and a measurement cell which form a unit together with a spectroscopic measurement head. The measurement cell is connected to the pump, which can be regulated to vary the flow rate, and to the sample vessel by a pipe, and the spectroscopic measurement head and the regulatable pump have electrical connections to a controlling and evaluating unit. Due to its compact construction, the solution which makes use of the principle of transflection is also particularly suited to mobile use, for example, to determine the components of liquid manure while the latter is being dispensed. In principle, the solution can be transferred to any applications with suspensions or pumpable, homogeneous and inhomogeneous materials.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: September 29, 2015
    Assignees: Carl Zeiss Microscopy GmbH, Christian-Albrechs-Universitaet Zu Kiel
    Inventors: Michael Rode, Helga Andree, Diane F Malley