Patents Assigned to Fluke Corporation
  • Patent number: 12379491
    Abstract: Systems and methods directed toward acoustic analysis can include a plurality of acoustic sensor arrays, each including a plurality of acoustic sensor elements, and a processor in communication with the plurality of acoustic sensor arrays. The processor can be configured to select one or more of the plurality of acoustic sensor arrays based on one or more input parameters, and generate acoustic image data representative of an acoustic scene based on received acoustic data from the selected one or more acoustic sensor arrays. Such input parameters can include distance information and/or frequency information. Different acoustic sensor arrays can share acoustic sensor elements in common or can be entirely separate from one another. Acoustic image data can be combined with electromagnetic image data from an electromagnetic imaging tool to generate a display image.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: August 5, 2025
    Assignee: Fluke Corporation
    Inventor: Michael D. Stuart
  • Patent number: 12372646
    Abstract: Acoustic imaging systems can include an acoustic sensing array, an electromagnetic imaging tool, a display, and an audio device. A processor can receive data from the acoustic sensor array and the electromagnetic imaging tool to generate a display image combining acoustic image data and electromagnetic image data. Systems can include an audio device that receives an audio output from the processor and outputs audio feedback signals to a user. The audio feedback signals can represent acoustic signals from an acoustic scene. Systems can provide a display image to a user including acoustic image data, and a user can select an acoustic signal for which to provide a corresponding audio output to an audio device. Audio outputs and display images can change dynamically in response to a change in pointing of the acoustic sensing array, such as by changing a stereo audio output.
    Type: Grant
    Filed: September 15, 2023
    Date of Patent: July 29, 2025
    Assignee: Fluke Corporation
    Inventors: Michael D. Stuart, Henk Koppelmans, Dileepa Prabhakar, Scott M. Tsukamaki, Darwin C. Witt
  • Patent number: 12360241
    Abstract: Systems can include an acoustic sensor array configured to receive acoustic signals, an illuminator configured to emit electromagnetic radiation, an electromagnetic imaging tool configured to receive electromagnetic radiation, a distance measuring tool, and a processor. The processor can illuminate the target scene via the illuminator, receive electromagnetic image data from the electromagnetic imaging tool representative of the illuminated scene, receive acoustic data from the acoustic sensor array, and receive distance information from the distance measuring tool. The processor can be further configured to generate acoustic image data of the scene based on the received acoustic data and received distance information and generate a display image comprising combined acoustic image data and electromagnetic image data.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: July 15, 2025
    Assignee: Fluke Corporation
    Inventors: Michael D. Stuart, Dileepa Prabhakar, Joseph V. Ferrante, Scott M. Tsukamaki, Darwin C. Witt
  • Patent number: 12332049
    Abstract: A probe device for a rotating head has at least one support arm that is mounted so as to rotate around an axis of rotation, at least one probe that is joined to the support arm, and at least one spring element that can be supported on the rotating head and engages at the support arm and that is provided for exerting a force on the support arm, which, as a result of this force, experiences a torque with respect to the axis of rotation. The support arm has at least one mount, which is concentric with the axis of rotation, for the spring element, which, when arranged on the mount, is bent at least in part around the axis of rotation. As a consequence, centrifugal forces that act on the spring element when the rotating head is in operation have no influence on the tension of the spring element.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: June 17, 2025
    Assignee: Fluke Corporation
    Inventor: Jürgen Peters
  • Patent number: 12314552
    Abstract: A calibrator having an enhanced user interface (UI) is provided. The calibrator outputs, over an output terminal of the calibrator, an electrical signal. The calibrator presents, on a display of the calibrator, a graphical indication associated with an electrical quantity of the electrical signal. The calibrator or a controller thereof synchronizes a color of the graphical indication with a color emitted by a light indicator associated with the output terminal. The calibrator presents, together with the graphical indication, a signal property GUI element that is selectable and representative of a signal property associated with the electrical signal. In response to user selection of the signal property GUI element, the calibrator displays an editable GUI element permitting user modification of the signal property and the calibrator modifies the electrical signal according to user input.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: May 27, 2025
    Assignee: Fluke Corporation
    Inventors: Joseph V. Ferrante, Jennifer C. Bronson, David B. Bartley, William D. Gaviria, William J. Britz, Chester W. Hoster, Alexander J. Dorchak, Jr., Kevin L Johnson, Steven J. Zopfi
  • Patent number: 12293501
    Abstract: Systems and methods can be used for analyzing image data to determine an amount of vibration and/or misalignment in an object under analysis. In some instances, as operating equipment heats up during operation, temperature changes of various portions of the operating equipment leads to changes in dimensions of such portions, leading to misalignment. Multiple sets of data representative of the operating equipment in multiple operating conditions can be used to determine an amount of misalignment due to thermal offsets. Hot and cold temperatures of the equipment can be used to calculate thermal growth of various portions of the equipment, which can be used to determine an amount a misalignment due to thermal offsets. Additionally or alternatively, image data representing the equipment can be used to observe changes in alignment between states.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: May 6, 2025
    Assignee: Fluke Corporation
    Inventors: Michael D. Stuart, John C. Bernet
  • Patent number: 12270900
    Abstract: An acoustic analysis system includes an acoustic sensor array that receives acoustic signals from a target scene and outputs acoustic data based on the received acoustic signals. A processor receives a plurality of acoustic data sets from the acoustic sensor array, representative of the target scene at different points in time. The processor determines one or more locations within the target scene represented by the plurality of acoustic data sets, each being a location of an acoustic signal emitted from the target scene. For each acoustic signal, the processor classifies the acoustic signal as an intermittent acoustic signal or a continuous acoustic signal, generates accumulated-time acoustic image data based on the plurality of acoustic data sets, and generates an accumulated-time display image for presentation on a display.
    Type: Grant
    Filed: March 12, 2024
    Date of Patent: April 8, 2025
    Assignee: Fluke Corporation
    Inventors: Dileepa Prabhakar, Michael D. Stuart
  • Patent number: 12249179
    Abstract: A system for screening persons' temperatures comprises an imaging device configured to generate imagery data, including infrared image data, of a first scene and a second scene. The system receives imagery data from the first scene, identifies persons in the scene using the imagery data, and determines each person's temperature. The system further compares the persons' temperatures to a threshold and indicates a person should be directed to the second scene if the person's temperature is above a threshold. Subsequently, the system determines and compares the person's temperature in the second scene and provides an indication if the person's temperature exceeds a second threshold. Further, a confidence factor can be associated with determinations of persons' temperatures.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: March 11, 2025
    Assignee: Fluke Corporation
    Inventor: Matthew F. Schmidt
  • Patent number: 12247889
    Abstract: A temperature sensor includes a platinum member having a base portion and a plurality of prongs extending from the base portion. The platinum member is positioned within a housing that includes a first platform having a first support surface supporting the base portion, and a second platform having a second support surface spaced apart from the first support surface. The second support surface supports an end portion of at least one prong of the plurality of prongs, and medial portions of the plurality of prongs between the first and second support surfaces are suspended at a distance from an interior surface of the housing. In some cases, the housing further includes one or more support members between the first and second platforms that project from the interior surface of the housing toward the medial portion of one or more prongs to limit an amount of bending of the prongs.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: March 11, 2025
    Assignee: Fluke Corporation
    Inventors: Timothy B. Brown, Rong Ding, Donald D. Leach, David W. Farley
  • Patent number: 12117523
    Abstract: An acoustic analysis system includes an acoustic sensor array that receives acoustic signals from a target scene and outputs acoustic data based on the one or more acoustic signals. A processor receives a first set of acoustic data representing a first portion of the target scene and having a first field of view (FOV), generates a first acoustic image based on the first set of acoustic data, receives a second set of acoustic data representing a second portion of the target scene and having a second FOV, wherein the second FOV is different than the first FOV, generates a second acoustic image based on the second set of acoustic data, registers the first acoustic image and the second acoustic image to form an aligned first acoustic image and second acoustic image, and generate a panorama comprising the aligned first acoustic image and second acoustic image for presentation on a display.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: October 15, 2024
    Assignee: Fluke Corporation
    Inventors: Dileepa Prabhakar, Michael D. Stuart
  • Patent number: 12107751
    Abstract: Apparatus and methods for testing network cabling includes processing circuitry that receives an indication of a user-selected network test of a plurality of network tests. The respective network tests have respective sets of test requirements with different levels of rigor. The test circuitry conducts a wire map test to identify which network tests can be conducted. Thereafter, a common set of test results is produced based on measurement of a common set of parameters pertinent to the network tests that can be conducted. The processing circuitry evaluates the common set of test results with respect to the respective sets of test requirements to determine one or more passing network tests. A plurality of test reports corresponding to the plurality of network tests is graphically displayed along a curve having a common center, wherein each test report indicates whether the corresponding network test is a passing network test.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: October 1, 2024
    Assignee: Fluke Corporation
    Inventors: Wayne S. Hoofnagle, J. David Schell, Jamie M. Martin
  • Patent number: 12088910
    Abstract: Systems for guiding a user through a workflow routine can include an inspection tool, a user interface, memory, and a processor. The processor can provide instructions via the user interface to perform a workflow routine using the inspection tool and save acquiring inspection data to memory. Instructions can direct a user to which equipment to inspect and/or how to collect inspection data associated with one or more pieces of equipment. Systems can determine which equipment is available for inspection by the user, such as via image recognition or proximity detection, and instruct a user to acquire inspection data associated with such equipment. Workflow routine instructions can be provided to the user via various devices, such as an inspection tool, smartphone, or a tablet.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: September 10, 2024
    Assignee: Fluke Corporation
    Inventors: Peter A. Bergstrom, Brian Knight, Jamie Rhead
  • Patent number: 12085217
    Abstract: A holder secured to a vertical column by a cross support holds an object in a fixed position. The holder includes a tube that can be secured to the cross support. A movable clip at a first end of the tube is configured to hold the object, e.g., a probe held in a calibration bath. The movable clip includes an aperture. When the movable clip is in an extended position, an object can be inserted into the aperture. When the movable clip moves toward a retracted position, the object is held within the aperture. A cap at the second end of the tube is coupled to the movable clip by a spring inside the tube. The movable clip exerts an adjustable holding force on the object by adjusting a number of turns of the spring between the cap and the movable clip. A central holding device may support multiple holders.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: September 10, 2024
    Assignee: Fluke Corporation
    Inventor: David W. Farley
  • Patent number: 12085468
    Abstract: Methods and systems include a universal, device-agnostic calibration process in which measured indications output by a device under test (DUT) (or corrected or converted indications derived therefrom) may be compared with calibration thresholds for any type of DUT to be calibrated. A complete, universal, and extensible calibration process is thus achieved that is capable of accommodating routine and complex calibration scenarios alike. A common set of statistics may be generated for all devices to be calibrated, without regard to the particular device under test, and statistics of the common set of statistics may be evaluated to determine the calibration state of the DUT. Additionally, the methods and systems disclosed herein provide for generating a comprehensive set of measurement records that may include some or all original observations, calculations, corrections, conversions, environmental factors, and measurement results, e.g.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: September 10, 2024
    Assignee: Fluke Corporation
    Inventor: Michael J. Brown
  • Patent number: 12078660
    Abstract: A device for performing electrical measurements according to the present disclosure includes a first input post that is electrically conducting, a second input post that is electrically conducting, and a sleeve that is electrically insulating and at least partially surrounds the first input post and the second input post. The sleeve includes a first rib extending in a longitudinal direction of the sleeve and a second rib extending in the longitudinal direction of the sleeve. The first rib and the second rib are constructed to separate the first input post and the second input post.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: September 3, 2024
    Assignee: Fluke Corporation
    Inventors: Yinhong Yang, Hui Wang, Songnan Fan
  • Patent number: D1042589
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: September 17, 2024
    Assignee: Fluke Corporation
    Inventor: Wei Huang
  • Patent number: D1049890
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: November 5, 2024
    Assignee: Fluke Corporation
    Inventor: Wei Liu
  • Patent number: D1054406
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: December 17, 2024
    Assignee: Fluke Corporation
    Inventor: Min Jung Koo
  • Patent number: D1064874
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: March 4, 2025
    Assignee: Fluke Corporation
    Inventor: Ginger M. Woo
  • Patent number: D1079638
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: June 17, 2025
    Assignee: Fluke Corporation
    Inventors: William J. Britz, Christopher J. Gillette, Jr., Travis J. Tom