Patents Examined by Jamil Ahmed
  • Patent number: 10598601
    Abstract: A gas concentration measuring device including a light emitter and a light receiver which are disposed so as to be opposed to each other with a hollow tube-like measurement pipe interposed therebetween. The device is configured to measure concentration of target gas passing through the measurement pipe using light applied from the light emitter, transmitted through the inside of the measurement pipe, and received by the light receiver. Purge gas guide pipes through which purge gas is introduced into optical systems of the light emitter and the light receiver are connected to a side wall of the measurement pipe. The measurement pipe includes a gas entrance portion having a tapered shape widening from a gas supply port toward a downstream side thereof.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: March 24, 2020
    Inventors: Yoshinori Fukui, Ryota Kobayashi, Tetsuya Yokoyama, Tsuyoshi Inoue, Yusuke Oda, Michiyasu Okada, Kozo Akao, Ryouichi Higashi
  • Patent number: 10598790
    Abstract: The disclosed embodiments include a light detection and ranging (LIDAR) system. The LIDAR system includes a modular LIDAR device, which includes a scanner component and a structurally separate base component. The scanner component is mountable on an external surface of a vehicle, and includes a light source and detector to capture LIDAR data including a measure of a distance to an object relative to the vehicle. The scanner component also includes a communications transmitter to transmit LIDAR data indicative of the distance, and a power receiver to wirelessly power the scanner component. The base component is at least partially mountable on an interior surface of the vehicle, and includes a power transmitter to wirelessly power the scanner component, a communications receiver to wirelessly receive the LIDAR data, and a processor to enable autonomous or semi-autonomous navigation of the vehicle based on processed LIDAR data.
    Type: Grant
    Filed: February 17, 2018
    Date of Patent: March 24, 2020
    Inventor: Andrew E. Rubin
  • Patent number: 10591414
    Abstract: Systems and methods for determining the osmolarity of a sample are provided. Aspects of the subject methods include contacting a sensing surface of a surface plasmon resonance based sensor with a sample, and generating one or more data sets at at least two wavelengths over a time interval, wherein the data sets are used to determine the osmolarity of the sample. The subject methods find use in determining the osmolarity of a sample, such as a biological sample (e.g., a tear fluid), and in the diagnosis and/or monitoring of various diseases and disorders, such as, e.g., dry eye disease.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: March 17, 2020
    Inventors: Paul T. Gavaris, Chris D. Geddes, Ali H. Ghovanlou
  • Patent number: 10578484
    Abstract: The present disclosure provides a backlight source monitoring device and a pattern generator. The backlight source monitoring device includes a base, a fixing structure arranged on the base and configured to fix a backlight source to be monitored, a monitoring element fixed on the base and configured to monitor a brightness value of the backlight source to obtain brightness data, and a display element connected with the monitoring element and configured to receive and display the brightness data obtained by the monitoring element.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: March 3, 2020
    Inventors: Tuan Liang, Zhaolei Li, Shuanghui Zhao, Yuan Liu, Yubing Zhang, Gang Luo, Jun Wang, Yi Qu
  • Patent number: 10571336
    Abstract: A system for analyzing and processing user input and providing a result based on a predetermined set of color identifiers, the system comprising a first user input, wherein the first user input comprises of one or more digital images, a second user input, wherein the second user input comprises of responses to queries, a white balancing method for removing color casts from the first user input to create a final corrected image of the first user input, a first database for storing a predetermined set of color identifiers, a second database for storing product profiles, and a processor for analyzing the final corrected image of the first user input and the second user input collectively, comparing the final corrected image of the first user input and the second user input collectively to the predetermined set of color identifiers, and providing a color output.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: February 25, 2020
    Inventors: Atima Lui, Nyalia Lui, Mahmoud Afifi, Ariadne Bazigos
  • Patent number: 10571334
    Abstract: An optical system includes a spectrograph having a concave diffraction grating and a detector. An aperture is selectively positioned by an associated actuator or positioning mechanism either into, or out of, an optical path of the input light beam downstream of a sample and prior to entering the spectrograph. A slit plate having a plurality of different size entrance slits is positioned downstream of the aperture and movable by an associated actuator or positioning mechanism to position one of the plurality of entrance slits in the optical path of the input light beam. A controller coupled to the detector and the actuators is configured to control the actuators to selectively position the aperture and the slit plate to provide a selectable resolution of the spectrograph. The aperture setting and slit plate setting may be determined from a lookup table in response to a request for finer or coarser spectral resolution.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 25, 2020
    Inventors: Harry Jerome Oana, Xiaomei Tong, Ronald Joseph Kovach
  • Patent number: 10571812
    Abstract: Focus performance of a lithographic apparatus is measured using pairs of targets that have been exposed (1110) with an aberration setting (e.g. astigmatism) that induces a relative best focus offset between them. A calibration curve (904) is obtained in advance by exposing similar targets on FEM wafers (1174, 1172). In a set-up phase, calibration curves are obtained using multiple aberration settings, and an anchor point (910) is recorded, where all the calibration curves intersect. When a new calibration curve is measured (1192), the anchor point is used to produce an adjusted updated calibration curve (1004?) to cancel focus drift and optionally to measure drift of astigmatism. Another aspect of the disclosure (FIGS. 13-15) uses two aberration settings (+AST, ?AST) in each measurement, reducing sensitivity to astigmatism drift. Another aspect (FIGS. 16-17) uses pairs of targets printed with relative focus offsets, by double exposure in one resist layer.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: February 25, 2020
    Assignee: ASML Netherlands B.V.
    Inventors: Fahong Li, Miguel Garcia Granda, Carlo Cornelis Maria Luijten, Bart Peter Bert Segers, Cornelis Andreas Franciscus Johannes Van Der Poel, Frank Staals, Anton Bernhard Van Oosten, Mohamed Ridane
  • Patent number: 10571250
    Abstract: Problem: To provide a device, system, method, and program able to easily measure retroreflective coefficients using a commercially available mobile terminal having an imaging unit. Resolution Means: A device is provided that has an imaging unit for capturing an image of a target object, an observation angle acquiring unit for acquiring an observation angle determined by a positional relationship between the imaging unit, a light source for emitting light for capture and the target object, an entrance angle acquiring unit for acquiring an entrance angle of light emitted for capture incident on the target object, a converting unit for converting image data of an image to a luminance value of the target object using capture information of the image, and a calculating unit for calculating a value of a retroreflective coefficient of the target object based on an illuminance value and the luminance value of the target object.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: February 25, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Fumio Karasawa, Andreas M. Geldmacher, Guruprasad Somasundaram
  • Patent number: 10563986
    Abstract: A waveguide optical gyroscope (WOG) is disclosed. One WOG may comprise an amplified spontaneous emission (ASE) source, a sensor comprising a waveguide loop disposed in a first cladding material interposed between layers of at least a second cladding material having an index of refraction lower than an index of refraction of the first cladding material, wherein the sensor is configured to receive an output signal of the ASE source, and a pump source configured to pump the first cladding material with an in-plane pump signal.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: February 18, 2020
    Assignee: LGS Innovations LLC
    Inventor: Inuk Kang
  • Patent number: 10564037
    Abstract: A method and apparatus for combining colorants using a camera. The method of combining colorants using a camera includes extracting color data from an image of an object captured using a camera, converting the color data into spectral reflection factor data of the object on the basis of a pre-constructed camera color model, acquiring spectral reflection factor data for an estimated colorant combination obtained by simulating a combination of colorant samples obtained from a colorant database, and selecting an optimal colorant combination by comparing errors between the spectral reflection factor data of the object and the spectral reflection factor data for the estimated colorant combination. Therefore, it is possible to use a highly accessible and inexpensive camera, such as a smartphone camera, and thus an ordinary user can easily find an optimal colorant combination.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: February 18, 2020
    Inventors: In Su Jang, Soon Chul Jung, Yoon Seok Choi, Jin Seo Kim
  • Patent number: 10557793
    Abstract: Variations in a translucent medium are imaged by detecting deflections and/or polarization shifts in a probe beam transmitted through the translucent medium. Deflections and polarization shifts may be detected using a first polarizing filter positioned between a probe beam generator and the translucent medium to polarize the probe beam in a first direction, a beam splitter positioned to receive the probe beam after it has been transmitted through the medium, and a probe beam deflection detector that receives a first split beam and provides a deflection signal associated with refractive index variations in the medium. A second polarizing filter receives a second split beam and polarizes it in a second direction, perpendicular to the first direction. An intensity sensor receives the second split beam, after it has passed through the second polarizing filter, and provides an intensity signal associated with a polarization shift in the medium.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: February 11, 2020
    Assignee: United States of America as represented by the Secretary of the Air Force
    Inventors: Ronald A. Barnes, Hope T. Beier, Bennett L. Ibey, Caleb C Roth, Joel N Bixler, Christopher M Valdez
  • Patent number: 10551174
    Abstract: The present invention includes a preparatory step of providing a calibration work piece having a flat reflecting surface as a work piece, and arranging the reflecting surface to be parallel to a standard optical axis and orthogonal or parallel to pixel array directions of an image capture element; a rotation step of rotating a prism centered on the standard optical axis; a brightness detection step of detecting the brightness of an image captured by the image capture element at each of a plurality of rotation positions of the prism; and a positioning step of aligning the prism at a rotation position where the brightness detected by the brightness detection step is greatest.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: February 4, 2020
    Inventor: Yasuhiro Takahama
  • Patent number: 10551299
    Abstract: To provide a multipass cell permitting a reduction in a volume of an inner space into which sample gas is introduced, there are provided: a cell main body with the inner space into which the sample gas is introduced; and a pair of mirrors provided oppositely to each other in the inner space, wherein light incident from an incidence window of the cell main body is subjected to multireflection between the pair of mirrors and is emitted from an emission window of the cell main body, wherein: each of the mirrors is shaped such that light spots formed on a reflecting surface of each of the mirrors are scattered in an elongated region of a predetermined width through the light multireflection; and each of the mirrors is formed into an elongated shape along a longitudinal direction of the elongated region.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: February 4, 2020
    Assignee: HORIBA, LTD.
    Inventors: Kyoji Shibuya, Masahiro Nakane
  • Patent number: 10551248
    Abstract: In one aspect, a hyperspectral image measurement device is provided to include: a main body; an illumination module disposed in the main body and including LEDs having different peak wavelengths to irradiate light to a subject; a camera disposed on the main body and receiving light reflected from the subject to acquire an image of the subject; a barrel having a contact surface contacting the subject, the contact surface located to be spaced apart from the illumination module and the camera module by a predetermined distance; and a reference cover located on the contact surface and including a standard reflection layer for reflecting light irradiated from the illumination module toward the camera module.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: February 4, 2020
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Seong Tae Jang, Stella Park, Sung Il Park, Ji Ye Song, Woong Ki Jeong
  • Patent number: 10551284
    Abstract: An apparatus includes a sampling probe having a first portion and a second portion. The first portion is configured to penetrate inside a wall of a duct having an inner chamber that is configured to carry a gas stream containing particulate matter therethrough. The first portion is further configured to divert a sample of the gas stream from the inner chamber of the duet to the second portion that extends from the wall of the duct opposite the inner chamber. The second portion of the sampling probe is configured to direct the sample of the gas stream in a first direction with a second direction corresponding to a direction of the gravitational force of the earth. A first ray corresponding to the first direction forms an angle ? with a second ray corresponding to the second direction. The angle ? is less than 90 degrees.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: February 4, 2020
    Assignee: Dust Company, Inc.
    Inventors: Robert Wyatt Baxter, Derrick James Hinkle
  • Patent number: 10539456
    Abstract: Certain aspects pertain to a combination sensor comprising a set of physical sensors facing different directions proximate a structure, and configured to measure solar radiation in different directions. The combination sensor also comprises a virtual facade-aligned sensor configured to determine a combi-sensor value at a facade of the structure based on solar radiation readings from the set of physical sensors.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: January 21, 2020
    Assignee: VIEW, Inc.
    Inventors: Erich R. Klawuhn, Douglas S. Silkwood, Jason Zedlitz, Stephen Clark Brown, Dhairya Shrivastava
  • Patent number: 10529209
    Abstract: The present invention provides a dust sensor comprising an impactor assembly for passing only relatively small particles among particles contained in air; a light emitting unit for radiating light in a path through which the air introduced through the impact assembly passes; and a light receiving unit for receiving light scattered from particles included in the air passing through the path. The impact assembly may comprise an upper case, a first impactor, and a second impactor. The upper case may include an inlet and an outer downward protruding portion. The first impactor may include a central downward depression and a plurality of slots. The second impactor may include an outlet, a central upward protruding portion, a double-bent portion, an outer upward protruding portion and a guide portion.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: January 7, 2020
    Inventor: Inwoo Lee
  • Patent number: 10527410
    Abstract: [Object] To provide a shape measurement apparatus that is capable of detecting minute roughness irregularity at high speed across the entire width on the entire surface of a measurement object. [Solution] Provided is a shape measurement apparatus including: a light source configured to irradiate a surface of a moving strip-shaped body with linear light diagonally from an upstream side in a movement direction of the strip-shaped body; a screen configured such that reflected light of the linear light on the surface of the strip-shaped body is projected on the screen; an imaging unit configured to image the reflected light of the linear light projected on the screen; and an arithmetic processing unit configured to acquire surface roughness distribution of the strip-shaped body on the basis of width distribution of a light strip of the reflected light of the linear light projected on the screen.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: January 7, 2020
    Inventors: Toshio Akagi, Yusuke Konno, Atsuhiro Hibi, Nobuhiro Furuya, Takayuki Sonoda, Akihito Nakazaki
  • Patent number: 10530992
    Abstract: The present invention provides a detection method, a detection system, and a detection device for flexible substrate; and the detection method comprises: obtaining the light intensity distribution by parallel light with the same intensity transmitted through the flexible substrate; finding a difference point of light intensity from the light intensity distribution; obtaining a position of the difference point of light intensity corresponding to the flexible substrate, and the position is treated as an abnormal position in the flexible substrate. Wherein the difference point of light intensity is a point where the light intensity is different from the light intensity of the surrounding area. The abnormal positions can be obtained by the detection method of the present invention.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: January 7, 2020
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Chun Zhang
  • Patent number: 10514247
    Abstract: A wafer alignment apparatus includes a light source, a light detection device, and a rotation device configured to rotate a wafer. The light source is configured to provide a light directed to the wafer. The light detection device is configured to detect reflected light intensity from the wafer to locate at least one wafer alignment mark of wafer alignment marks separated by a plurality of angles. At least two of those angles are equal.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: December 24, 2019
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Hsiang Tseng, Chin-Hsiang Lin, Heng-Hsin Liu, Jui-Chun Peng, Ho-Ping Chen