Patents Examined by Maurice C Smith
  • Patent number: 11397151
    Abstract: A device for detection of a substance by Raman spectroscopy comprises a holder (40) with an area (41) adapted for receiving a sample of the substance and a vibration engine (42). The vibration engine (42) is configured to move the holder (40) in a three-dimensional motion when the area (41) with the substance is arranged in front of a focusing lens (FL) of the spectrometer to provide a large actual sampling area and hence to achieve a strong signal at detection. The device comprises a SERS surface (30) arranged at the area (41) of the holder (40) for adsorption of the sample of the substance. A method for detection of a substance by use of the device is also presented.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: July 26, 2022
    Assignee: SERSTECH AB
    Inventors: Katja Szybek, Peter Billsten, Johan Diedrichs
  • Patent number: 11397149
    Abstract: A laser radar system apparatus for the multi-wavelength measurement of the atmospheric carbon dioxide concentration and a vertical aerosol profile, including: a laser transmitting unit; a dual-pulse laser capable of simultaneously transmitting laser having three wavelengths, i.e., 1572 nm, 1064 nm, and 532 nm; a transmitting beam expander; a receiving telescope system; a visual axis monitoring module; a photoelectric detection unit; and a data acquisition and processing unit. The laser that simultaneously outputs laser having three wavelengths is used in a laser radar system, and an optical differential absorption method and a high spectral resolution detection method are used, such that the atmospheric carbon dioxide concentration and the vertical aerosol profile can be measured simultaneously and high-precision aerosol monitoring is implemented during the high-precision obtaining of the concentration of the greenhouse gas carbon dioxide.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: July 26, 2022
    Inventors: Weibiao Chen, Yadan Zhu, Jiqiao Liu, Xia Hou, Xiaolei Zhu, Xiuhua Ma, Huaguo Zang, Rui Li
  • Patent number: 11391659
    Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: July 19, 2022
    Assignee: THE WAVE TALK, INC.
    Inventors: Young Dug Kim, Seung Bum Yang, Kyoung Man Cho, Dong Jun Jeong, Nam Kyun Kim
  • Patent number: 11378457
    Abstract: A hair colorant selection and formulation system including one or more of a hair color analyzer operable to determine hair color of a hair sample and match the determined hair color to a color in a color space, a hair color selector operable in combination with a fiber optic hair sample to generate the color selected in a color space in the optical fibers of a fiber optic hair sample, and a hair colorant mixer which operates to mix a hair colorant, which can be individually, or in various combinations, operably coupled to one or more computing devices through one or more server computers via a network which supports a hair colorant selection and hair colorant formulation program accessible by the one or more computing devices.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: July 5, 2022
    Assignee: Innovative Beauty LLC
    Inventor: Jesse A. Kloberdanz
  • Patent number: 11378456
    Abstract: A method and an ambient light color sensor adapted to determine color of ambient light comprising a memory, a processor, and a light color sensor with a plurality of channels that detect light at different wavelengths. Wherein the memory comprises a calibration matrix determined by calibrating a test light color sensing device under at least one ambient lighting condition, and a normalized gain value for each channel determined by calibrating the ambient light color sensing device to an artificial light source. Wherein the processor receives the sensor readings from the light color sensor, normalizes each received sensor reading using the normalized gain value of a respective channel, determines at least one measured light color value that quantifies color of light from the normalized sensor readings, and determines at least one calibrated light color value by correlating the at least one measured light color value through the calibration matrix.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: July 5, 2022
    Assignee: Crestron Electronics, Inc.
    Inventor: Dennis Hromin
  • Patent number: 11378455
    Abstract: In an example of the disclosure, a device (38) includes: an acquiring unit to obtain first reflectance output values acquired from reference samples (52) by a reference color measuring device and to obtain second reflectance output values acquired from the reference samples (52) by a second color measuring device (2); a processing unit to determine, for a plurality of wavelength values, correspondences between a first reflectance output value acquired by the reference color measuring device and a second reflectance output value acquired by the second color measuring device, and to perform, for each wavelength value, an interpolation based on the correspondences to obtain interpolation data; and a correcting unit to correct, based on the interpolation data, third reflectance output values acquired by the second color measuring device (2) from a sample of interest (12).
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: July 5, 2022
    Assignee: HP Indigo B.V.
    Inventors: Nir Guttman, Ziv Berkovich, Gil Arie Uner
  • Patent number: 11360023
    Abstract: A device, a system and a method for homodyne solid-state biased coherent detection of terahertz pulses in a range between 0.1 and 11 THz, the device comprising a metallic slit between, and parallel to, two longitudinal metallic electrodes, deposited on a surface of a substrate, and covered with a layer of nonlinear material, wherein a width of the metallic slit and a thickness of the nonlinear material layer are selected in relation to a central wavelength of the THz pulses. The method comprises focusing a THz beam and a pulsed laser beam of pulse energies in a range between 10 and 100 nJ onto the metallic slit, the metallic electrodes being biased by a static DC voltage bias selected in a range between 20 VPP and 200 VPP; and retrieving a terahertz pulse waveform using the terahertz pulse repetition rate as synchronism.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: June 14, 2022
    Inventors: Alessandro Tomasino, Riccardo Piccoli, Roberto Morandotti, Luca Razzari, Yoann Jestin
  • Patent number: 11346719
    Abstract: A Fourier-transform hyperspectral imaging system may include an optical imaging system configured to produce an image of an object, and an adjustable birefringent common-path interferometer module comprising a movable birefringent element and configured to produce interfering replicas of an input radiation which are delayed from each other by a phase delay adjustable by the moving birefringent element. The interferometer module may be configured to produce collinear replicas for entering optical rays parallel to said optical axis. The hyperspectral imaging system further comprises a two-dimensional light detector configured to receive the replicas and provide digital images of the object depending on said adjustable phase delay. The system also includes an analysis device configured to perform a Fourier Transform of the digital images to obtain a hyperspectral representation of the object.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: May 31, 2022
    Inventors: Cristian Angelo Manzoni, Giulio Cerullo, Dario Polli, Antonio Perri, Fabrizio Preda, Gianluca Valentini, Andrea Bassi
  • Patent number: 11348773
    Abstract: Systems and methods are described for calibrating an analytical instrument analyzing a plurality of sample matrices in series. A system embodiment can include, but is not limited to, a sample analysis device configured to receive a plurality of samples from a plurality of remote sampling systems and to determine an intensity of one or more species of interest contained in each of the plurality of samples; and a controller configured to generate a primary calibration curve based on analysis of a first standard solution having a first sample matrix by the sample analysis device and generate at least one secondary calibration curve based on analysis of a second standard solution having a second sample matrix by the sample analysis device, the controller configured to associate the at least one secondary calibration curve with the primary calibration curve according to a matrix correction factor.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: May 31, 2022
    Assignee: Elemental Scientific, Inc.
    Inventors: Daniel R. Wiederin, Kyle W. Uhlmeyer, Michael P. Field, Jae Seok Lee
  • Patent number: 11340113
    Abstract: A freeform concave grating imaging spectrometer includes a slit, a freeform concave grating, and an image surface. The lights incident from the slit is irradiated on the freeform concave grating to be dispersed and reflected, to form a reflected light beam. The reflected light beam is irradiated on the image surface, so that the lights of different wavelengths incident from the slit are separated and imaged on the image surface.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: May 24, 2022
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jun Zhu, Ben-Qi Zhang, Yi-Lin Tan, Guo-Fan Jin, Shou-Shan Fan
  • Patent number: 11340157
    Abstract: A method of selecting wavelengths of radiation for discriminating a first cell or tissue type from a different cell or tissue type is described. First and second sets of absorption spectra are obtained, each set comprising spectra obtained at a plurality of different spatial regions of the first cell or tissue type and of the different cell or tissue type, respectively. Sets of corresponding metrics are defined for the first and second sets of absorption spectra for each spatial region. Each metric comprises information corresponding to the absorption for at least two different wavelengths. The metrics in each set comprise different combinations of wavelengths. A characteristic value is generated for each metric. Distributions are generated for each metric using corresponding characteristic values for the first cell or tissue type and for the different cell or tissue type and compared to determine an extent of similarity.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: May 24, 2022
    Assignee: The University of Liverpool
    Inventors: James Joseph Ingham, Stephen David Barrett, Peter Weightman
  • Patent number: 11340110
    Abstract: A method for assessing spectroscopic sensor accuracy, includes building an a priori simulation of generalized etalon drift. A spectroscopic sensor is tested to determine use parameters. A specific drift model is generated by applying the determined use parameters to the built a priori simulation of generalized etalon drift. The specific drift model is analyzed to determine whether the spectroscopic sensor is satisfactory.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: May 24, 2022
    Inventors: William Green, Eric Zhang
  • Patent number: 11340112
    Abstract: A reflective relay spectrometer design based on reflective optical relay systems, which is more compact in physical size and superior in spectral imaging quality than previous designs, is disclosed.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: May 24, 2022
    Assignee: Wavefront Research, Inc.
    Inventor: Thomas A. Mitchell
  • Patent number: 11340114
    Abstract: A spectrum measurement system includes a laser light source system, an optical signal receiving system and a beam splitting system. The laser light source system is configured to emit a laser output light beam to the object. The laser output light beam includes at least one of a first and a second peak-wavelength laser. After the object is radiated by the laser output light beam, the object generates a conversion beam. The conversion beam includes at least one of a first and a second spectral signals. The optical signal receiving system includes at least a first and a second signal receivers being respectively configured to receive the first and the second spectral signals. The beam splitting system provides a plurality of light exiting paths being configured to respectively transmit the first and the second spectral signals to the first and the second signal receivers.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: May 24, 2022
    Assignee: PROTRUSTECH CO., LTD
    Inventors: Chun-Ta Huang, Wei-Hsin Wang, Chien-Chung Chang
  • Patent number: 11330983
    Abstract: According to an embodiment of the disclosure, there is provided an electronic device including: an optical element that is fixed and is configured to split incident light reflected from an object into two or more incident light beams traveling along two or more light paths; an optical sensor that is spaced a separation distance from the optical element such that the split incident light beams form an interference area on a light receiving surface and is configured to detect the incident light; and at least one processor configured to determine state information about the object based on similarity between a first spectrum acquired from the detected incident light and at least one reference spectrum.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: May 17, 2022
    Inventors: Vladislav Valerievich Lychagov, Mikhail Vyacheslavovich Popov
  • Patent number: 11333554
    Abstract: A spectrometry method used by a spectrometry apparatus including a spectrometry section including a spectrometer and an imaging device that captures a spectroscopic image, a spectroscopic controller that controls the action of the spectrometer, and an image generator that generates the spectroscopic image, the method including generating the spectroscopic image, dividing the range of the spectroscopic image into a plurality of regions including at least a first region, determining a reference value of a color value, generating a first region spectrum based on the spectroscopic image of the first region, calculating first region tristimulus values based on the first region spectrum, calculating a first region color value based on the first region tristimulus values, and calculating a first region color difference that is the color difference between the first region color value and the reference value by using a color difference formula.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: May 17, 2022
    Inventors: Ryohei Kuri, Seiji Aiso
  • Patent number: 11333608
    Abstract: The present invention relates to a target gene-detecting device and a method for detecting a target gene. According to an aspect, a target gene-detecting device can be conveniently fabricated at low cost by employing a porous substrate or a method for detecting a target gene allows the pretreatment of a sample, the extraction of a nucleic acid, the amplification of a nucleic acid, and the detection of a target gene to be conducted at high accuracy and specificity in an integral system, with no contamination plausibility and can be thus useful for gene inspection.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: May 17, 2022
    Assignee: Samsung Life Public Welfare Foundation
    Inventors: Min Young Lee, Min Hee Kang, Hyun Ju Park, Dong Ho Kim, Sung Gyu Park, Ho Sang Jung
  • Patent number: 11326953
    Abstract: An optical characteristic measurement device has a measurement opening, includes a first optical measurement unit and a second optical measurement unit that measure different optical characteristics with different geometries with respect to a measurement target facing the measurement opening, and further includes a processing unit that corrects a measurement value obtained in the second optical measurement unit based on a measurement value obtained in the first optical measurement unit.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: May 10, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventor: Takashi Kawasaki
  • Patent number: 11317812
    Abstract: An optical scanning device includes: an optical scanning unit configured to repeatedly scan an irradiation destination of irradiation light to a predetermined trajectory; a light emission control unit configured to control light emission of the irradiation light to irradiate irradiation points to the predetermined trajectory; and a driving signal generation unit configured to generate a driving signal for driving the optical scanning unit, wherein the light emission control unit irradiates the irradiation points to the predetermined trajectory so that the irradiation points are substantially uniformly dispersed in a region in which a density of the irradiation points is relatively low in a region in which the irradiation light is irradiated.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 3, 2022
    Assignee: HITACHI, LTD.
    Inventors: Shinsuke Onoe, Takahiro Matsuda, Yoshiho Seo, Satoshi Ouchi, Tomohiko Tanaka, Taiichi Takezaki, Ryo Imai
  • Patent number: 11320418
    Abstract: A hand-held point of care monitoring system that includes a plurality of assay modules configured to receive different assay devices that perform assays on one or more samples. At least two of the assay modules or at least two of the assay devices have different identifiers that identify the assays. The system also includes an apparatus having a portable frame configured to interchangeably receive the plurality of assay modules in a same port; a means for decoding the different identifiers when received by the frame; and a means for reading assay results.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: May 3, 2022
    Assignee: iAssay, Inc.
    Inventor: Lonnie W. Adelman