Patents Examined by Sang H. Nguyen
  • Patent number: 10234393
    Abstract: Arrays of integrated analytical devices and their methods for production are provided. The arrays are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The devices allow the highly sensitive discrimination of optical signals using features such as spectra, amplitude, and time resolution, or combinations thereof. The devices include an integrated diffractive beam shaping element that provides for the spatial separation of light emitted from the optical reactions.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: March 19, 2019
    Assignee: Pacific Biosciences of California, Inc.
    Inventors: Annette Grot, Ravi Saxena, Paul Lundquist
  • Patent number: 10234275
    Abstract: The disclosure discloses a device for monitoring the thickness of a wheel valve hole on line, which is mainly composed of a frame, a base plate, a lifting cylinder, a first bracket, a bearing base, a linear bearing, a mounting plate, a guide shaft, a lifting shaft, a first servo motor, a first synchronous pulley, a connecting plate, a synchronous belt, a second synchronous pulley and the like, wherein the base plate, a third bracket and a second mounting rack are fixed on the frame, a visual sensor is mounted on the third bracket, the mounting plate is fixed on the base plate via the first bracket, the bearing base is fixed on the mounting plate, and the lifting shaft is mounted on the bearing base via the linear bearing.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: March 19, 2019
    Assignee: CITIC Dicastal CO., LTD.
    Inventors: Weidong Liu, Fengyan Liu, Jinling Yang
  • Patent number: 10234596
    Abstract: Certain aspects pertain to a cloud detector comprising a first detector module directed to a first region of the sky and a second detector module directed to a second region of the sky. Each detector module has a tube enclosing one or more sensing elements. The one or more sensing elements of the first detector module are configured to take weather condition readings from the first region of the sky. The one or more sensing elements of the second detector module are configured to take weather condition readings from the second region of the sky. In one aspect, the cloud detector is configured to detect cloud cover based on these weather condition readings. In some cases, the one or more sensing elements comprise an infrared radiation detector (e.g., thermopile) for measuring infrared radiation intensity and a photosensor element for measuring sunlight intensity.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: March 19, 2019
    Assignee: View, Inc.
    Inventors: Trevor Frank, Alexander Rumer, Brandon Tinianov, James Fox, Douglas S. Silkwood, Erich R. Klawuhn
  • Patent number: 10228324
    Abstract: Presented herein are systems and methods for quantifying trace and/or ultra-trace levels of a species—for example, H2S or H2O—in a natural gas line. The systems and methods employ a tunable laser, such as a tunable diode laser, vertical-cavity surface-emitting laser (VCSEL), external cavity diode laser or a vertical external-cavity surface-emitting laser (VECSEL) or a tunable quantum cascade laser (QCL). The laser produces an output beam over a set of one or more relatively narrow, high resolution wavelength bands at a scan rate from about 0.1 Hz to about 1000 Hz. A natural gas sample comprising a trace level of a species of interest passes through a flow cell into which the output beam from the laser is guided. An optical detector receives light from the flow cell, producing a signal indicative of the absorption attenuation from which the concentration of the trace species is determined.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: March 12, 2019
    Assignee: MKS Instruments, Inc.
    Inventors: Peter Zemek, Robert M. Carangelo, Hongke Ye, Andrew Wright
  • Patent number: 10222199
    Abstract: A displacement sensor includes: a projection unit projecting emitted light toward a detection target surface of a detection target object; an objective optical system converging the emitted light toward the detection target surface and admitting reflected light resulting from diffuse reflection of the emitted light by the detection target surface; a baffle plate having openings each allowing one of portions of transmitted light resulting from the admission by the objective optical system to pass therethrough; an image capture unit capturing an image; image forming optical systems allowing each of the portions of the transmitted light resulting from the admission by the objective optical system to form an image on the image capture unit; and a signal processing unit calculating a distance from the detection target surface based on a luminance centroid of each of spots captured by the image capture unit.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: March 5, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shigeru Takushima, Hiroyuki Kawano, Takashi Yuzawa, Makito Seki
  • Patent number: 10215954
    Abstract: A focus monitoring arrangement (1000) is provided for a scatterometer or other optical system. A first focus sensor (510) provides a first focus signal (S1-S2) indicating focus relative to a first reference distance (z1). A second focus sensor (1510) for providing a second focus signal (C1-C2) indicating focus relative to a second reference distance (z2). A processor (1530) calculates a third focus signal by combining the first focus signal and the second focus signal. By varying the proportions of the first and second focus signals in calculating the third focus signal, an effective focus offset can be varied electronically, without moving elements.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: February 26, 2019
    Assignee: ASML Netherlands B.V.
    Inventor: Gerbrand Van Der Zouw
  • Patent number: 10215687
    Abstract: Reusable network of spatially-multiplexed microfluidic channels each including an inlet, an outlet, and a cuvette in-between. Individual channels may operationally share a main or common output channel defining the network output and optionally leading to a disposable storage volume. Alternatively, multiple channels are structured to individually lead to the storage volume. An individual cuvette is dimensioned to substantially prevent the formation of air-bubbles during the fluid sample flow through the cuvette and, therefore, to be fully filled and fully emptied. The overall channel network is configured to spatially lock the fluidic sample by pressing such sample with a second fluid against a closed to substantially immobilize it to prevent drifting due to the change in ambient conditions during the measurement. Thereafter, the fluidic sample is flushed through the now-opened valve with continually-applied pressure of the second fluid.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: February 26, 2019
    Assignee: The General Hospital Corporation
    Inventors: Ramin Haghgooie, Kenneth T. Kotz, Robert Granier, Anne Celia Petrofsky
  • Patent number: 10197494
    Abstract: The flow cell of the present application simultaneously monitors and measures light absorbance and fluorescence of particles in a flowing liquid.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: February 5, 2019
    Assignee: Biocomp Instruments Inc.
    Inventor: David Coombs
  • Patent number: 10197492
    Abstract: Although a more accurate estimate of a person's risk of cardiovascular disease can be made on the basis of the number of lipoprotein particles per unit volume in the person's blood, current methods all rely on measuring the mass of lipoprotein cholesterol per unit volume. It has been discovered that a rapid and accurate lipoprotein particle count can be obtained by photometry. A method and apparatus are provided for measuring the number of lipoprotein particles in a sample using photometry.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 5, 2019
    Assignee: VAP Diagnostics Laboratory, Inc
    Inventor: Krishnaji R Kulkarni
  • Patent number: 10189137
    Abstract: There is provided a tool shape measuring apparatus that allows detection of shape abnormality in a tool having a plurality of cutting edges with a simple configuration. A light receiving section 6 includes a light receiving face 9 perpendicular to an optical axis 6b of a light receiving lens 6a. In the light receiving face 9, there are disposed a plurality of line sensors 8 arranged in different directions from each other, each line sensor having a plurality of sensor elements arranged in one direction. The line sensor 8 is disposed across a first area not reached by the irradiation light L as being completely blocked by the tool 4, a second area disposed adjacent the first area and reached by the irradiation light L with a portion thereof being blocked, and a third area disposed adjacent the second area and reached by the irradiation light L not blocked at all.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: January 29, 2019
    Assignee: Big Daishowa Co., Ltd.
    Inventors: Masataka Yauchi, Kouichi Uemura, Reina Oohashi, Shunsuke Kumasaki, Akihito Funashoku
  • Patent number: 10190974
    Abstract: An optical gas sensor (1), for quantitatively measuring a concentration of one or more gases, includes a radiation source (2) for emitting light waves (L), a cuvette (3) for holding a gas (G) to be measured, and a detector (4) for measuring light intensities. The light source (2) includes at least one emitter (5) of light waves (L) and is configured to emit light waves (L) of at least one first wavelength and of a second wavelength different from the first wavelength simultaneously or separately from each other. The emitter (5) is further configured to emit a spectrum the full half-life width of which is a maximum 50% of the effective wavelength, and to emit light waves (L) having a controlled beam path. The detector (4) is configured to quantitatively detect an intensity of emitted light waves (L) of the first wavelength and of the second wavelength.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: January 29, 2019
    Assignee: Dräger Safety AG & Co. KGaA
    Inventors: Andre Pape, Arne Tröllsch
  • Patent number: 10184889
    Abstract: A sensor device for optically detecting characteristics of a fluid. The device includes a housing with a base portion from which first and second appendages extend at least partially facing one another, and between which in use a fluid is present, and first and second optoelectronic devices adapted to transmit and receive radiation, respectively, mounted at the first and second appendages of the housing, respectively. The arrangement is such that in use a radiation beam transmitted by the first optoelectronic device propagates in an optical path which includes a portion crossing the fluid between said appendages and reaches the second optoelectronic device. This optical path includes at least one reflecting surface made integrally in an appendage of the housing and adapted to deflect the radiation beam between the associated optoelectronic device and the fluid crossing portion.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: January 22, 2019
    Assignee: BITRON S.P.A.
    Inventor: Fabio Arpino
  • Patent number: 10184875
    Abstract: A device (1) is described and represented for the determination of the particle size and/or the particle shape and/or optical properties, such as transparency, of particles (2) in a particle stream (3), with a feeding device (4) for the feeding of the particles (2) to a measuring zone (5), wherein the particles (2) flow through the measuring zone (5), with at least one illuminating device (6) for illuminating the measuring zone (5), with at least two camera devices (7, 8), each of which photographs a measurement region (9, 10) of the measuring zone (5) associated with the corresponding camera device (7, 8), wherein a first camera device (7) photographs a first, preferably larger, measurement region (10) with a first, preferably lesser, magnification and a second camera device (8) photographs a second, preferably smaller, measurement region (9) with a second, preferably stronger, magnification, with an imaging optics (11) for imaging the measurement regions (9, 10), and with an evaluating device for determinin
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: January 22, 2019
    Inventors: Sebastian Beil, Stephan Knop
  • Patent number: 10180352
    Abstract: A measuring light source includes a hollow body having a diffusely reflective inner surface. Formed in the hollow body are a concave, concave mirror-shaped illumination space, a tubular light shaping space, and a concave, concave mirror-shaped light exit space, which have a shared axis. A light source for generating light is at least partially situated in the illumination space. The light exit space has a light exit. The illumination space and the light exit space with their concave mirror shapes are situated opposite one another and are connected by the tubular light shaping space. A diffusely reflecting reflective disk for reflecting the light, reflected from the inner surface of the hollow body situated in the light exit space, through the light exit to outside the hollow body is situated in the hollow body.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: January 15, 2019
    Inventors: Joerg Margraf, Thomas Keune
  • Patent number: 10166637
    Abstract: A method and device for location of pipes is disclosed. The method can comprise mounting one or more centering tools, each having a reflector to a first pipe such that the reflectors are either aligned with, or can be used to determine the location of the center of the first pipe and mounting one or more centering tools, each having a reflector to a second pipe such that the reflectors are either aligned with, or can be used to determine the location of the center of the second pipe. The method can further comprise determining a first distance between the center of the first pipe and a light emitting source at an observation point disposed between the first pipe and the second pipe and determining a second distance between the center of the second pipe and the light emitting source at the observation point.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: January 1, 2019
    Assignee: Data Point Targets LLC
    Inventor: Toby Flaucher
  • Patent number: 10161868
    Abstract: A method for identifying particulates in the air, including drawing a predetermined volume of air into a housing defining an airway, flowing the predetermined volume of air over a first adhesive capture member positioned in the airway to yield a first test sample, generating a first optical image of the first test sample with a camera, storing the first optical image in a memory, analyzing the first optical image with the microprocessor to identify captured particulates, automatically counting the identified particulates, storing the first adhesive capture member to preserve the first test sample, and positioning a second adhesive capture member in the airway.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: December 25, 2018
    Inventor: Gregory Bertaux
  • Patent number: 10161744
    Abstract: A three-dimensional measurement device includes a light source and grid that irradiate a measurement object; a luminance controller that changes luminance levels of the light; a phase controller that changes phase levels of the light pattern; a camera that takes an image of the measurement object; and a processor that three-dimensionally measures a first measurement object area based on different image data taken by radiating a first light pattern in different phases; determines a relationship between a gain and offset determined according to an imaging condition based on the different image data; and three-dimensionally measures a second measurement object area based on two different image data taken by radiating a second light pattern in two different phases by using a gain and offset regarding each pixel determined according to a luminance value of each pixel in the two different image data and the determined relationship.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: December 25, 2018
    Assignee: CKD Corporation
    Inventors: Tsuyoshi Ohyama, Norihiko Sakaida, Takahiro Mamiya, Hiroyuki Ishigaki
  • Patent number: 10156436
    Abstract: An illumination apparatus includes a light source including a semiconductor laser that emits coherent light, a polarization splitter including rutile, a half-phase retardation film, and another rutile to split optical paths by the polarization direction of incident light, and a projection polarization switching mechanism including a half-wave plate unit, a quarter-wave plate unit, and a polarizing film to switch projected light emitted from the polarization splitter between polarization components of light transmitted over optical paths split by the polarization splitter and a polarization component of light transmitted over any one optical path. As a result, a compact illumination apparatus, and a measurement apparatus using the same, with a common light source and optical system for both observation light and measurement light can be provided.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: December 18, 2018
    Inventor: Daichi Watanabe
  • Patent number: 10152998
    Abstract: Provided herein is an apparatus including an imaging lens assembly configured to collect reflected light from a surface of an article; an image sensor configured to receive reflected light from the imaging lens assembly, wherein the imaging lens assembly and the image sensor are each arranged at different angles for focusing on substantially an entire surface of an article; and a processing means configured to process signals from the image sensor corresponding to polarized reflected light and subsequently generate one or more features maps.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: December 11, 2018
    Assignee: Seagate Technology LLC
    Inventors: David M. Tung, Joachim Walter Ahner
  • Patent number: 10151585
    Abstract: A non-contact and optical measuring automation system includes a base, a rotating chuck to clamp a disk cam, a moving stage module and an optical measuring module. The moving stage module includes a first linear motion stage movably disposed on the base, a second linear motion stage movably disposed on the first linear motion stage, and a rotary motion stage rotatably disposed on the second linear motion stage. The optical measuring module disposed on the rotary motion stage includes a laser-emitting unit and an image-capturing unit. The laser-emitting unit projects a light beam onto a cam surface of the disk cam, and the image-capturing unit receives scattering light to capture a grayscale measuring image including a profile speckle pattern. A computer calculates a profile speckle characteristic value according to the grayscale measuring image and the surface roughness value according to the profile speckle characteristic value.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: December 11, 2018
    Assignee: National Taiwan Ocean University
    Inventors: Wen-Tung Chang, Chun-Cheng Lu, Hsiang-Lun Kao