With Photocell Detection Patents (Class 356/338)
  • Patent number: 11215557
    Abstract: Provided are methods of assessing the cleanliness of a flow cell of a flow cytometric system. The provided methods include computing a ratio of post-flow cell and pre-flow cell light beam intensities and using such a ratio to assess the cleanliness of the flow cell. Flow cytometric systems capable of monitoring the cleanliness of a flow cell contained within the system are also provided.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: January 4, 2022
    Assignee: Abbott Laboratories
    Inventors: Svitlana Y. Berezhna, JrHung T. Tsai, David Spalding, Mahesh R. Junnarkar, Chia-Fa Hsu
  • Patent number: 11209347
    Abstract: The invention refers to an optical measurement apparatus (10) with an optical device (18,20,22) and a liquid sample vessel (12) for measuring an optical parameter of a liquid sample (13) in the liquid sample vessel (12), comprising a drying circuit circulating drying air for venting the sample vessel (12), wherein the drying circuit comprises a mechanical water stop means (100) in the course of the drying circuit, the water stop means (100) comprising a conduit body (102) with a water-absorbing swelling element (120) arranged within the conduit body (102). The water stop means is simple and inexpensive and reliably protects all elements downstream of the water stop means from a water ingress upstream of the water stop means.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: December 28, 2021
    Assignee: HACH LANGE GMBH
    Inventors: Michael Kussman, Aurelia Stellmach, Markus Hahn, Markus Lenhard, Sebastian Minke, Andreas Jonak, Volker Baar, Heinz Rudde
  • Patent number: 11169077
    Abstract: An airborne, gas, or liquid particle sensor with multiple particle sensor blocks in a single particle counter. Each sensor would sample a portion of the incoming airstream, or possibly a separate airstream. The various counters could be used separately or in concert.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: November 9, 2021
    Assignee: Particles Plus, Inc.
    Inventors: David Pariseau, Adam Giandomenico
  • Patent number: 11147481
    Abstract: A system, wearable device, and method include a light emitter configured to emit light at a first wavelength of between approximately 900 and 1000 nanometers and at a second wavelength of approximately 1350 nanometers, a first light detector spaced at a first distance from the light emitter, and a second light detector spaced at a second distance from the light emitter, the second distance approximately twice the first distance. At least one of hydration and glycogen of muscle tissue is determinable based on a relationship between backscatter light from the muscle tissue as detected by the second light detector and backscatter light from non-muscle tissue as detected by the first light detector.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 19, 2021
    Assignee: NIKE, Inc.
    Inventors: Brett S. Kirby, Vikram Malhotra, Roger Schmitz
  • Patent number: 11141705
    Abstract: A Fenton apparatus of the present disclosure includes a reactor vessel, gas injection inlets that allow ejection of aeration coolant perpendicular to axis of the reactor vessel to agitate a reaction composition present in the reactor vessel under vortex conditions, a jacket cooling loop encasing the reactor vessel to allow circulation of a jacket coolant selected from a group consisting of forced air, nitrogen gas, and water, a coil cooling loop coiling around the reactor vessel to allow circulation of a coil coolant selected from a group consisting of forced air, nitrogen gas, water, and carbon dioxide. Multiple programmable solenoid valves are provided to individually control injection of the aeration coolant, the jacket coolant, and the coil coolant. A controller is provided to communicate with a temperature sensor and each programmable solenoid valve.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: October 12, 2021
    Assignee: King Abdulaziz University
    Inventors: Sherif Shawki Zaki Hindi, Uthman Mohammed Ahmed Dawoud
  • Patent number: 11119029
    Abstract: An optical excitation system comprises a substrate (105) comprising at least one delivery means (104), for delivering analytes (109) into at least one region of interest (103), at least one radiation carrier (101) for directing at least one radiation beam from the at least one radiation carrier (101) into the at least one region of interest (103). The substrate (105) includes a thin lens system (120) comprising at least a first thin lens (121), for collimating radiation from the at least one region of interest (103) to a remote detection system (130). A particle sensor and sensing system comprising the excitation system are also provided, for example a modular particle sensor and modular sensing system, wherein the optical excitation system may be single use and disposable.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: September 14, 2021
    Assignee: IMEC VZW
    Inventor: Dries Vercruysse
  • Patent number: 11091314
    Abstract: A handheld aerosol-generating device may include an emitter configured to emit light, a sensor configured to receive light, and an aerosol chamber configured to hold an aerosol. The emitter may emit light into the aerosol chamber. The sensor may receive light from the aerosol chamber and measure at least one wavelength of the spectrum of the received light. Direct measurement of parameters, and/or the presence, of the aerosol in the aerosol chamber may be enabled, where the direct measurement of parameters of the aerosol in the aerosol chamber may enable optimal operation of an aerosol-generating system that may be the handheld aerosol-generating device.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: August 17, 2021
    Assignee: Altria Client Services LLC
    Inventor: Michel Bessant
  • Patent number: 11079585
    Abstract: A system and method for automated analysis of a membrane filter obtained from an air quality monitoring apparatus used for sampling airborne respirable fibres such as asbestos and synthetic mineral fibres is described. The system comprises capturing a macroscale image a membrane filter and analysing macroscale image using a computer vision method to determine a countable area of the membrane filter and one or more excluded regions within the countable area of the membrane filter. These excluded regions comprise membrane filter grid lines, air bubbles and large particulate matter. The slide is then placed on a robotic XY stage of a digital phase contrast microscope which is used to capture at least one magnified phase contrast image at each of 20 or more sample locations located across the filter member. The sample locations are selected such that a field of view at each sample location does not contain an excluded region.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: August 3, 2021
    Assignee: First Frontier Pty Ltd
    Inventors: Jordan Gallagher-Gruber, Gabor Szijarto
  • Patent number: 11079325
    Abstract: This invention relates to an optical system and method for performing turbidity assay, e.g. coagulation of blood or plasma, comprising a standard optical reference, a sample handling structure, a light source and an optical detection unit. The standard optical reference, such as a fluorophore-doped glass, provides constant optical signal under controlled optical conditions. The sample handling structure, such as a microfluidic system with reaction chamber, can be placed beneath or above the standard optical reference. During operation, the coagulating plasma/blood changes its optical absorbance and reflection properties, which results in changes in optical signal that reaches the optical reading unit. The variation of the optical signal, such as fluorescence signal indicates the kinetics of the turbidity varying process, such as plasma/blood coagulation process.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: August 3, 2021
    Assignee: INSTRUMENTATION LABORATORY COMPANY
    Inventors: Josef Kerimo, Hansong Zeng, Ron Scharlack, Gert Blankenstein
  • Patent number: 11047786
    Abstract: The particle size distribution measuring apparatus includes a centrifugal sedimentation measuring mechanism and a dynamic light scattering measuring mechanism. The centrifugal sedimentation measuring mechanism causes particles to settle out by rotating a measurement cell accommodating particles dispersed in a dispersion medium and detects transmitted light by irradiating light to the measurement cell to measure a first particle size distribution on a basis of a change of transmitted light intensity of the transmitted light. The dynamic light scattering measuring mechanism detects scattered light occurred upon irradiation of light to particles so as to measure a second particle size distribution based on a change of scattered light intensity of the scattered light occurred due to Brownian motion of particles.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: June 29, 2021
    Assignee: HORIBA, LTD.
    Inventor: Tetsuji Yamaguchi
  • Patent number: 11041645
    Abstract: A radiation receiving sensor includes an infrared receiver including a plurality of infrared receiving devices that receive infrared radiation, a lens that allows infrared radiation to enter the infrared receiver, a rotator that rotates the infrared receiver and the lens about a part of the lens, and a cover member that faces the infrared receiver through the lens and that has translucency.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: June 22, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Koichi Kusukame, Nawatt Silawan, Shinichi Shikii, Aki Yoneda, Kazuki Funase, Takahiro Fukunishi, Toshimitsu Koda, Norimasa Ishikawa, Hiroshi Yamanaka, Takanori Sugiyama
  • Patent number: 11027911
    Abstract: A handheld aerosol-generating device may include an emitter configured to emit light, a sensor configured to receive light, and an aerosol chamber configured to hold an aerosol. The emitter may emit light into the aerosol chamber. The sensor may receive light from the aerosol chamber and measure at least one wavelength of the spectrum of the received light. Direct measurement of parameters, and/or the presence, of the aerosol in the aerosol chamber may be enabled, where the direct measurement of parameters of the aerosol in the aerosol chamber may enable optimal operation of an aerosol-generating system that may be the handheld aerosol-generating device.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: June 8, 2021
    Assignee: Altria Client Services LLC
    Inventor: Michel Bessant
  • Patent number: 11016024
    Abstract: An inspection system utilizing an air scatter standard includes one or more illumination sources to generate a beam of illumination, illumination optics configured to focus the beam of illumination into a volume of air contained within a chamber of an inspection chamber, one or more collection optics configured to collect a portion of illumination scattered from the volume of air, a detector configured to receive the collected portion of illumination from the one or more collection optics, a controller including one or more processors, communicatively coupled to the detector, configured to execute a set of program instructions to receive one or more signals from the detector and determine a state of the beam of illumination at one or more times based on a comparison between at least one of the intensity or polarization of the illumination scattered from the volume of air and a predetermine air scatter standard.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: May 25, 2021
    Assignee: KLA Corporation
    Inventors: Frank Li, Qing Li, Zhiwei Xu
  • Patent number: 11002673
    Abstract: A method for measuring a concentration of a gas in a container having a wall with at least one deformable portion, the gas absorbing electromagnetic radiation at least in a specific spectral range, wherein the method includes the steps of biasing deformable portion and a further portion of wall opposite deformable portion between opposite positioning surfaces, thereby forming a biased volume of the container between the opposite positioning surfaces, during a measuring time, transmitting electromagnetic radiation into biased volume and receiving transmitted or reflected radiation of transmitted radiation from biased volume along respective radiation paths, relatively moving, during measuring time, at least one of deformable portion and of further portion and at least one of radiation paths, and determining concentration of said gas from the radiation received.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: May 11, 2021
    Assignee: WILCO AG
    Inventor: Sandro Kundert
  • Patent number: 10988392
    Abstract: Methods and systems are disclosed for optimization of coagulation and/or flocculation in a water treatment process. According to exemplary embodiments, samples are taken from an aqueous liquid and the samples are monitored with an imaging device to capture visual data of particles dispersed or suspended in the liquid. The particles are classified into particle types based on the visual data and a particle size distribution indication is computed for each classified particle type. The particle size distribution indication is then compared to a predetermined particle size distribution value, and in response to a difference detected, dosage of at least one coagulation and/or flocculation agent in the water treatment process can be adjusted.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: April 27, 2021
    Assignee: KEMIRA OYJ
    Inventors: Marjatta Piironen, Iiris Joensuu, Mehrdad Hesampour
  • Patent number: 10945648
    Abstract: The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: March 16, 2021
    Assignee: Masimo Corporation
    Inventors: Jeroen Poeze, Marcelo Lamego, Sean Merritt, Cristiano Dalvi, Hung Vo, Johannes Bruinsma, Ferdyan Lesmana, Massi Joe E. Kiani, Greg Olsen
  • Patent number: 10921229
    Abstract: The present invention provides a system and method of particle size and concentration measurement that comprises the steps of: providing a focused, synthesized, structured laser beam, causing the beam to interact with the particles, measuring the interaction signal and the number of interactions per unit time of the beam with the particles, and using algorithms to map the interaction signals to the particle size and the number of interactions per unit time to the concentration.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: February 16, 2021
    Assignee: PARTICLE MEASURING SYSTEMS, INC.
    Inventor: Joseph Shamir
  • Patent number: 10912502
    Abstract: The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: February 9, 2021
    Assignee: Masimo Corporation
    Inventors: Jeroen Poeze, Marcelo Lamego, Sean Merritt, Cristiano Dalvi, Hung Vo, Johannes Bruinsma, Ferdyan Lesmana, Massi Joe E. Kiani, Greg Olsen
  • Patent number: 10901292
    Abstract: Provided are a beam steering apparatus, a method of driving the beam steering apparatus, and a light detection and ranging (LiDAR) system including the beam steering apparatus. The beam steering apparatus includes: a phase modulation device configured to modulate a phase of incident light and emit at least first emitted light and second emitted light; and a beam reflection device configured to reflect, to an object, at least one from among the first emitted light and the second emitted light. The phase modulation device includes a plurality of channels configured to independently modulate the phase of the incident light, and a binary phase profile is formed when one of first and second phase values ?1 and ?2 is applied to each of the plurality of channels.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Byunggil Jeong
  • Patent number: 10898898
    Abstract: A microfluidic device and multi-stage target cell enrichment using the microfluidic device are disclosed herewith.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: January 26, 2021
    Assignee: CLEARBRIDGE BIOMEDICS PTE LTD
    Inventors: Ali Asgar S. Bhagat, Guofeng Guan
  • Patent number: 10895732
    Abstract: A microscopy method, and a microscope for carrying out the method, in which an illumination radiation is directed through an object arranged in an object plane of a microscope, in order to image the object, image data of a first image of the object being acquired with a first configuration of the microscope and image data of a second image of the object being acquired with a second configuration of the microscope. Differences between the image data of the first image and the second image are determined and, in dependence on the determined differences, image data of a contrast image of the object is provided.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: January 19, 2021
    Assignee: Carl Zeiss Microscopy GmbH
    Inventor: Thomas Kalkbrenner
  • Patent number: 10883915
    Abstract: A sample analyzer with an optical detection device and a sample analysis method of the sample analyzer are disclosed. The optical detection device includes a fluid chamber, a light source and a light detector. The fluid chamber includes an illumination zone. An analyte flows through the illumination zone so as to form a sample stream. The light source illuminates the illumination zone to excite cell articles, reacted with a reagent, of the sample stream to emit a light signal. The light detector detects the fluorescent lights and transforms it into an electric signal. The light detector can include a silicon photomultiplier.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: January 5, 2021
    Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
    Inventors: Xiansuan Du, Yong Dai
  • Patent number: 10816454
    Abstract: The invention relates to a method for observing a sample (15), comprising the illumination of the sample using a light source (11) and the acquisition of an image (Io) of the sample using an image sensor (16), the sample being disposed between the image sensor and the light source. Iterative steps are applied to the acquired image (Io), also referred to as a hologram, comprising: a single iterative numerical propagation (h), such as to estimate a complex image (A) of the sample in a reconstruction plane (P10) or in a detection plane (P0), in which the image sensor extends. The complex image can be used for the characterisation of the sample.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: October 27, 2020
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Lionel Herve, Cedric Allier
  • Patent number: 10802262
    Abstract: Provided herein is a method and system for imaging a biological sample. The method may include scanning a biological sample using one or more light sheets, where the biological sample is in a field of view of a microscope that includes an objective and a direction of observation of the objective defines a z-axis, where a point spread function of the microscope is elongated in the z-axial direction, and the biological sample is at a z-axial distance from the objective, thereby illuminating a plurality of z-axial slices of the biological sample, and recording a plurality of images corresponding to a plurality of z-axial slices of the sample, where the images are generated by light patterns emitted from the scanned biological sample, thereby generating an image stack that includes a plurality of images of the biological sample.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: October 13, 2020
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Raju Tomer, Karl A. Deisseroth
  • Patent number: 10761004
    Abstract: An example forward scatter sensor comprises: a transmitter to emit a light sheet; a receiver to observe light scattered from particles that fall through a measurement volume; and a control entity comprising an analyzer to record a measurement signal descriptive of intensity of light captured by the receiver as a function of time and to: carry out a precipitation analysis on basis of a time segment of the measurement signal; carry out a verification of analysis performance based on magnitudes of first peaks of at least one identified double peak and on respective residence times for said at least one identified double peak; and invoke a predefined maintenance action responsive to said verification indicating a threshold-exceeding difference between respective size estimates derived based on magnitudes of the first peak of said at least one identified double peak and based on residence times of said at least one identified double peak.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: September 1, 2020
    Assignee: Vaisala Oyj
    Inventors: Jan Lönnqvist, Seppo Mäkinen
  • Patent number: 10749597
    Abstract: A method of conducting wireless fiber inspection includes obtaining a video stream from an inspection probe and transmitting the video stream over a Wi-Fi network. The method further includes creating the Wi-Fi network using a Wi-Fi hotspot, performing image analysis on the obtained video stream, and transmitting the image analysis along with the video stream over the Wi-Fi network.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: August 18, 2020
    Assignee: AFL Telecommunications LLC
    Inventors: Sean Patrick Adam, Joseph Fitzgerald
  • Patent number: 10732013
    Abstract: A system and method for optimizing a fiber optic sensor by properly clocking or rotationally orienting a window with a fiber optic focuser. This method may include shining light through the focuser into the window and receiving with a reflectometer a first reflection from a first surface of the window and a second reflection from a second surface of the window. Next, the method may include calculating a delta of intensities between the first and second reflections, and then rotating an orientation of the window to a next rotational orientation. The steps of rotating the orientation of the window, receiving reflections, and calculating their delta may be repeated any plurality of times to solve for a plurality of deltas. Then, the method may include the steps of determining which one of the deltas is the largest and fixing the window to the focuser at a rotational orientation associated therewith.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: August 4, 2020
    Assignee: Honeywell Federal Manufacturing & Technologies, LLC
    Inventor: Ryand Jeremy Ferguson Tucker
  • Patent number: 10732437
    Abstract: Complex wavefront engineering is realized through a random metasurface phase mask backed by a phase-only spatial light modulator. The metasurface consists of an array of subwavelength nanoscatterers which give the metasurface a pre-arranged disorder. Since the transmission matrix of the disordered metasurface is known, there is no need for extensive characterization measurements which are instead required in standard disordered optical devices.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: August 4, 2020
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Mooseok Jang, Yu Horie, Atsushi Shibukawa, Andrei Faraon, Changhuei Yang
  • Patent number: 10620104
    Abstract: The disclosure provides for a novel optical chopper that can rapidly change the intensity of light incident on a colloid under investigation. This helps record images of various sizes of nanoparticles that scatter light with very different efficiencies (effective cross-sections), typically orders of magnitude different.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: April 14, 2020
    Assignee: HORIBA INSTRUMENTS INCORPORATED
    Inventor: Jan J. Tatarkiewicz
  • Patent number: 10620103
    Abstract: Devices (herein “powder spreadability inspection tools”) and methods are provided for evaluating the spreadability of powders utilized in additive manufacturing (AM) processes. In embodiments, the powder spreadability inspection tool includes a powder support surface on which a visual inspection area is provided, a spreader system including a spreader implement, and a powder dispenser. The spreader implement is movable relative to the powder support surface along a path, which extends or passes over the visual inspection area. The powder dispenser is operable to dispense a premeasured or metered volume of an AM powder sample onto the powder support surface ahead of the spreader implement. As the spreader implement moves along the path relative to the powder support surface, the spreader implement spreads a layer of the metered powder sample across the visual inspection area to allow a visual evaluation of the spreadability of the AM powder.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: April 14, 2020
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Donald G. Godfrey, Brian G. Baughman, Mark McNair, Henry A. Lastre, Derrick Guthrie, Justin Schnepf, Robert Kielbus, John Dolan, Ethanial Harms, Matthew Figueroa
  • Patent number: 10591588
    Abstract: An imaging system may include a modulation component to provide a modulation signal. The imaging system may include an illumination component to receive the modulation signal and emit a modulated optical signal based on the modulation signal, and provide an electrical illumination signal. The electrical illumination signal may be an electrical representation of the modulated optical signal emitted by the illumination component. The imaging system may include an electrical mixer to receive the electrical illumination signal and the modulation signal, multiply the electrical illumination signal and the modulation signal in order to form a mixed signal, filter the mixed signal in order to form a filtered mixed signal, and output, based on the filtered mixed signal, a calibration signal associated with calibrating the imaging system.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: March 17, 2020
    Assignee: Infineon Technologies AG
    Inventors: Markus Dielacher, Martin Flatscher, Stefan Gansinger, Alexander Venus
  • Patent number: 10583410
    Abstract: Disclosed herein are aerosol particle growth systems including polymer electrolyte membranes and related methods of increasing the size of aerosol particles. In some embodiments, an outer housing contains a reservoir of a working fluid, and a PEM conduit extends through the outer housing, the reservoir, and the working fluid so that the working fluid is in contact with an outer surface of the PEM conduit. The conduit can be generally helical or coiled, for example. In some embodiments, the working fluid is molecularly transported across the PEM and disperses into an aerosol flowing through the PEM conduit. As the aerosol flows through the PEM conduit, the aerosol particles act as nucleation sites for the gaseous working fluid, which condenses on the particles, causing the particles to grow in size and making them easier to detect, collect, measure, count, study, or otherwise investigate.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: March 10, 2020
    Assignees: The United States of America, as Represented by the Secretary, Department of Health and Human Services, Regents of the University of Minnesota
    Inventors: Pramod S. Kulkarni, Jikku Moolamkunnam Thomas, Christopher J. Hogan, Jr.
  • Patent number: 10578539
    Abstract: Various embodiments include methods and apparatuses to reduce false-particle counts in a water-based condensation particle counter (CPC). In one embodiment, a cleanroom CPC has three parallel growth tube assemblies. A detector is coupled to an outlet of each of the three parallel growth tube assemblies, and is used to compare the particle concentrations measured from each of the three growth tube assemblies. An algorithm compares the counts from the three detectors and determines when the particles counted are real and when they are false counts. Any real particle event shows up in all three detectors, while false counts will only be detected by one detector. Statistics are used to determine at which particle count levels the measured counts are considered to be real versus false. Other methods and apparatuses are disclosed.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: March 3, 2020
    Assignee: TSI Incorporated
    Inventors: Richard Remiarz, Kenneth Farmer
  • Patent number: 10578585
    Abstract: An apparatus and method is disclosed to monitor the condition of a fluid flow including particulate matter and air or gas content fluid in the fluid flow as well as fluid quality. The apparatus includes a sensor array with an ultrasonic transducer, inductive sensor and fluid quality sensor. It also includes a cyclonic separator. The method includes sensing and sizing particulate matter, distinguishing air bubbles from the particle matter and assessing the quality of the fluid.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: March 3, 2020
    Assignee: Innovative Dynamics, Inc.
    Inventors: Joseph Gerardi, Richard Ingram, Gail Hickman
  • Patent number: 10494283
    Abstract: A module for preventing barnacle formation in a marine air-conditioning system. The module comprises: i) a housing; ii) a source of irradiating light disposed in the housing, the irradiating light suitable for killing or stunning barnacle larvae; iii) a circuit assembly disposed in the housing and configured to receive electrical power from an external power supply and to provide electrical power to the source of irradiating light; and iv) a transparent window disposed in the housing to permit the irradiating light to pass therethrough. The housing is adapted to be coupled to a water filter supplying raw water to the marine air-conditioning system such that the irradiating light is transmitted into the raw water in the water filter.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: December 3, 2019
    Inventor: Bentley N. Scott
  • Patent number: 10481062
    Abstract: The present invention provides a method for improving an identification degree of low-luminosity dispersed-phase particles in a multiphase system. The method comprises: adding additive particles into a multiphase system containing low-luminosity dispersed-phase particles before photographing the multiphase system to obtain an image including the low-luminosity dispersed-phase particles, wherein the refractivity of the additive particles is greater than that of the low-luminosity dispersed-phase particles.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: November 19, 2019
    Assignee: INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Xiangyang Li, Chao Yang, Yiting Xiao, Zaisha Mao
  • Patent number: 10471457
    Abstract: A substrate treating apparatus includes a treatment unit including a container, and a support member in the interior of the container to support a substrate, the treatment unit being configured to treat the substrate a nozzle unit having a treatment liquid nozzle for supplying a treatment liquid to the substrate provided in the treatment unit and an inspection unit that inspects whether the treatment liquid is normally discharged from the treatment liquid nozzle. The nozzle further includes a nozzle driver that moves the treatment liquid nozzle from a process position at which the substrate is treated by the treatment unit and an inspection position at which the treatment liquid nozzle is inspected by the inspection unit.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 12, 2019
    Assignee: Semes Co., Ltd.
    Inventors: Keunhwa Yang, Yoon Jong Ju, Kihoon Choi, Kwangsup Kim
  • Patent number: 10466165
    Abstract: An improved optical flow cell adapted for use in a flow cytometer for differentiating formed bodies (e.g., blood cells) in liquid suspensions. Preferably manufactured by assembling, aligning, and optically joining at least two elements made from transparent material, the improved flow cell has a seamless internal flow channel of preferably non-circular cross-section in a cylindrical first element through which prepared samples can be metered and an independent second element having an external envelope suited to acquisition of optical parameters from formed bodies in such suspensions, the second element being conforming and alignable to the first element so that non-axisymmetric refractive effects on optical characterizing parameters of formed bodies passing through the flow channel in the first element may be minimized before the two elements are optically joined and fixed in working spatial relationship.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: November 5, 2019
    Assignee: Beckman Coulter, Inc.
    Inventors: Marshall Donnie Graham, William Gerry Graham, James P. Clarkin, Mark A. Wells, Jose M. Cano, Carlos Alberto Arboleda, Armando J. Sanchez
  • Patent number: 10458846
    Abstract: In one implementation, a spectral microscope may comprise a substrate with a planar lens, the planar lens including a phase profile including an axial focus and an oblique focus, a light source to excite a signal of a particle among a plurality of particles, and a detector to receive light generated from the light source from the axial focus of the planar lens and a spectral color component of the excited signal of the particle from the oblique focus of the planar lens.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: October 29, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Francesco Aieta, Charles M. Santori, Anita Rogacs
  • Patent number: 10429312
    Abstract: A drip chamber for an infusion tube that includes a first end arranged to receive a drip tube, a second end including an exit port, at least one wall connecting the first and second ends, a space enclosed by the first and second ends and the at least one wall, and first and second lenses each directly fixed to said at least one wall.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: October 1, 2019
    Assignees: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.
    Inventors: Peter Hammond, James F. Munro, Luke Postema, Tuan Bui
  • Patent number: 10416067
    Abstract: A method for detecting a separation gas in a fluid flow stream is provided herein. In one example, a voltage output signal is generated by a scatter detector of a flow cytometer as a flow stream of a plurality of gas-separated samples passes through the flow cytometer. The voltage output signal is sampled, and a timestamp and a voltage value are recorded for each sampled voltage of the voltage output signal that is greater than a separation gap threshold. In some examples the separation gap threshold is at least two times greater than a maximum voltage output of the samples. Flow cytometry systems including software configured to perform these method steps are also described.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: September 17, 2019
    Assignee: Essen Instruments, Inc.
    Inventor: Aaron Bryce Kennington
  • Patent number: 10416470
    Abstract: Systems and methods for characterizing an obscurant and imaging a target are disclosed. In one embodiment, a method of imaging a target includes characterizing at least one obscurant present in an environment, and determining, based on the at least one characterized obscurant, one or more of the following: one or more wavelengths corresponding to the at least one obscurant, a polarization state corresponding to the at least one obscurant, and a sensor exposure time corresponding to the at least one obscurant. The method further includes adjusting one or more parameters of an imagining system based at least in part on a characterization of the at least one obscurant.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: September 17, 2019
    Assignee: L3 CINCINNATI ELECTRONICS CORPORATION
    Inventors: Harish P. Hiriyannaiah, Nansheng Tang
  • Patent number: 10407655
    Abstract: Systems and methods for improved flow properties in fluidic and microfluidic systems are disclosed. The system includes a microfluidic device having a first microchannel, a fluid reservoir having a working fluid and a pressurized gas, a pump in communication with the fluid reservoir to maintain a desired pressure of the pressurized gas, and a fluid-resistance element located within a fluid path between the fluid reservoir and the first microchannel. The fluid-resistance element includes a first fluidic resistance that is substantially larger than a second fluidic resistance associated with the first microchannel.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: September 10, 2019
    Assignee: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
    Inventors: Christopher David Hinojosa, Josiah Sliz, Daniel Levner, Guy Thompson, Hubert Geisler, Jose Fernandez-Alcon, Donald E. Ingber
  • Patent number: 10393654
    Abstract: Provided are turbidometers and fluorometers having a unique form-factor to accommodate a number of optical components in a confined geometry. This provides the ability to compensate for change in light intensity from an optical source even in a closed-loop manner. The ability to package reference and signal detectors, along with a relatively large diameter LED light source in a confined geometry is particularly suited for applications requiring small-diameter sensors, such as multi-parameter sonde devices having a total diameter that is in the sub-two inch range.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: August 27, 2019
    Assignee: IN-SITU, INC.
    Inventors: Nathan T. Baltz, Steven Collin Sewell
  • Patent number: 10365161
    Abstract: A method for aligning a projected beam on a reflector in a reflective-type beam detector, the method including adjusting the projected beam so as to: project on to substantially all, if not all, of a reflective surface of the reflector; or project on to at least a portion of a reflective surface of the reflector until a constant, or within a predetermined threshold of a constant, signal is received from the reflector; and detecting one or more edges of the reflective surface of the reflector and thereby: centering the projected beam, so as to align an approximate center of the projected beam on, or within a predetermined threshold of, an approximate center of the reflective surface of the reflector; and/or determining a shape or profile of the reflector.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: July 30, 2019
    Assignee: FFE LIMITED
    Inventors: Jacob Andelin, Gareth Dibden, Marcus Perch
  • Patent number: 10334228
    Abstract: An in-flight 3D inspector includes a sample input funnel, a sample chute, a trigger, a plurality of cameras, a light source and storage device. A sample is placed in the sample input funnel and is caused to travel down the sample chute. The trigger is located on the sample chute and detects when the sample passes the trigger. In response to detecting the passing of the sample, the trigger outputs a trigger signal that indicates when the sample will pass through a focal plane on which all the plurality of cameras are focused. In response to the trigger signal, the sample is illuminated by the light source and the plurality of cameras capture an image of the sample as the sample passes through the focal plane. The captured images are stored on the storage device and used to generate a 3D image of the sample.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: June 25, 2019
    Assignee: Qcify Inc.
    Inventors: Raf Peeters, Bert Peelaers
  • Patent number: 10261008
    Abstract: The present invention relates to a method for manufacturing a device for holding a light guide, for use in a flow cell, with the steps of providing a light guide holder having a first end and a second end connected by a longitudinal through hole with a narrow portion at the first end having a first diameter and a wide portion at the second end having a second diameter, the first diameter being smaller than the second diameter, and the narrow portion and wide portion being connected by a tapering portion, inserting a light guide into the through hole so that a first end of the light guide extends from the first end to the second end of the light guide holder, inserting a substance into at least part of the wide portion of the through hole, Inserting a tube between the light guide and the light guide holder, and fix the light guide in relation to the holder by means of the substance. The invention also relates to a device for holding a light guide.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: April 16, 2019
    Assignee: GE Healthcare Bio-Sciences AB
    Inventors: Henrik Svanberg, Bjorn A. Johansson
  • Patent number: 10241032
    Abstract: In some examples, an apparatus can include a light transmitter, a light sensor aligned along a light transmittance axis of the light transmitter, an impeller positioned between the light transmitter and the light sensor. The impeller can in some examples include a blade to pass through the light transmittance axis during rotation of the impeller. The blade can in some examples be translucent to permit calibration of the light sensor based on a comparison of a first light sensor reading when the blade intersects the light transmittance axis and a second light sensor reading when the blade does not intersect the light transmittance axis.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: March 26, 2019
    Assignee: HP Indigo B.V.
    Inventor: Gil Fisher
  • Patent number: 10209198
    Abstract: A particle sensing device and an air conditioner including a sensor has a sensing path through which air passes, a flow path housing which accommodates the sensor and guides air, and a flow path switching device to all air suctioned from the outside is guided to the sensing path, or some of the air suctioned from the outside and moving flows back in an obliquely upward direction and flows into the sensing path.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: February 19, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Won Oh, Kwon Jin Kim, Jin-Gyun Kim, Hyeong Joon Seo, Sun-Hee Son, Woo Seog Song, Kang Ho Choi, Nak Hyun Kim, Young-Jae Kim, Ji Hong Kim, Hyun Ah Kim, Se Kwan Jeong
  • Patent number: 10203274
    Abstract: A method for irradiating scattering medium, including modifying a particle's response to electromagnetic radiation irradiating the particle in a scattering medium, wherein the electromagnetic radiation is scattered by the scattering medium, and modulated by the modifying, into scattered electromagnetic radiation comprising a scattered field; forming a phase conjugate field, wherein the phase conjugate field is a phase conjugate of the scattered field; and irradiating the scattering medium with the phase conjugate field, wherein the phase conjugate field forms a focus at a target defined by the particle.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: February 12, 2019
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Haowen Ruan, Mooseok Jang, Changhuei Yang, Daifa Wang