# US 10,945,705 B2 · Portable ultrasonic facilities diagnosis device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,945,705 B2 - Document ID: US10945705B2 - Status: Granted - Kind: B2 - Application number: 15/807,981 - Filed: 2017-11-09 - Published: 2018-11-22 - Granted: 2021-03-16 - Earliest claimed: 2017-05-16 - Assignees: Sm Instrument Co., Ltd. - Applicants: Sm Instrument Co., Ltd. - Inventors: Young Ki Kim; YoungMin Kim; JeaSun Lee; Kwang Hyun Lee; Seong Joo Han; Jung Hyun Lim - Web page: https://patentgrep.com/patent/US10945705B2 ## CPC - A61B 8/4427: {Device being portable or laptop-like} - G01N 29/0609: {Display arrangements, e.g. colour displays (indicating or recording in connection with measuring in general G01D)} - A61B 8/4411: {Device being modular} - A61B 8/462: {characterised by constructional features of the display} - A61B 8/54: {Control of the diagnostic device} - G01H 9/002: {for representing acoustic field distribution (sonar systems for imaging G01S7/56, G01S15/89; acoustic holography G03H3/00)} - G01H 9/008: {by using ultrasonic waves (measuring position using ultrasonic waves G01S15/02)} - G01M 3/243: {for pipes} - G01N 29/0645: {Display representation or displayed parameters, e.g. A-, B- or C-Scan} - G01N 29/069: {Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique} - G01N 29/075: {by measuring or comparing phase angle (measuring frequencies or phase angles per se G01R23/00, G01R25/00)} - G01N 29/226: {Handheld or portable devices} - G01N 29/348: {with frequency characteristics, e.g. single frequency signals, chirp signals (measuring frequency of mechanical vibrations or acoustic waves in general G01H1/06, G01H3/04; measuring frequency or analysing frequency spectra G01R23/00)} - G01S 3/8086: {determining other position line of source} - G01S 5/22: Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements (G01S5/28 takes precedence) - G01S 15/899: {Combination of imaging systems with ancillary equipment} - G01N 2291/106: one or more transducer arrays - G01N 2291/2634: cylindrical from outside - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - G01H: MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES - G01M: TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ## Abstract A portable facility failure diagnosis device using detection of radiation ultrasonic waves, comprising: an ultrasonic sensor array; a data acquisition board (DAQ board) in which an electronic circuit for acquiring ultrasonic signals at a sampling frequency of the ultrasonic signals sensed by the ultrasonic sensor array is mounted on a substrate of the data acquisition board (DAQ board); a main board in which an operation processing device that processes the ultrasonic signals received from the DAQ board is mounted on the substrate and the processed ultrasonic sound source information to a display device; a data storage medium storing data processed in the operation processing device of the main board; a display device visually displaying the data processed; and an optical camera picking up an image of a direction. ## Claims ### Claim 1 A portable device for diagnosing failure of a target instrument by detecting ultrasonic waves from the target instrument and by visualizing the ultrasonic waves on a display of the portable device, wherein the target instrument is a failing machine, a failed facility or a leaking gas pipe, which generates the ultrasonic waves, the portable device comprises: an ultrasonic sensor array having ultrasonic sensors each sensing ultrasonic signals radiated in form of the ultrasonic waves from the target instrument which serves as an ultrasonic sound source; a data acquisition board (DAQ board) for acquiring the ultrasonic signals at a sampling frequency; a main board having an operation processor that processes the ultrasonic signals received from the DAQ board into a visualized image on the display, wherein the DAQ board and the main board are adjacent and engaged to each other in the portable device; a non-transitory data storage medium for storing the visualized image from the operation processor; an optical camera for detecting and transmitting an optical image of the ultrasonic sound source to the main board, wherein the optical camera is disposed in the portable device; and the display for displaying the visualized image and the optical image from the main board, wherein the optical image and the visualized image are displayed in overlap with each other on the display, wherein the visualized image is implemented by an operation program embedded and executed in the operation processor, wherein the operation program performs a distance delay calculation by calculating respective distances between the ultrasonic sensors and virtual plane points of the radiation sound source, applies time delay corrections to each of the ultrasonic signals using the distance delay calculation, and generates sound source values serving as the visualized image for each of the virtual plane points by summing the time delay corrections and by calculating beam power levels of the sound source values. ### Claim 2 (depends on 1) The portable device of claim 1, further comprising: an infrared (IR) camera for picking up a thermal image from the radiation sound source and transmitting the thermal image to the main board, wherein the IR camera is provided adjacent to the optical camera, wherein the thermal image, the optical image and the visualized image are displayed in overlap with each other on the display. ### Claim 3 (depends on 1) The portable device of claim 1, wherein the processor of the main board processes the ultrasonic signals utilizing a band pass filter in predetermined frequency bands. ### Claim 4 (depends on 3) The portable device of claim 3, wherein the band pass filter filters in a range between 10 KHz and 100 KHz. ### Claim 5 (depends on 1) The portable device of claim 1, wherein the ultrasonic sensor array has a shape in which the plurality of ultrasonic sensors are positioned on a single plane. ### Claim 6 (depends on 1) The portable device of claim 1, wherein the sampling frequency is in a range of 20 KHz to 200 KHz. ### Claim 7 (depends on 1) The portable device of claim 1, further comprising: a charging battery for supplying power to the data acquisition board, the main board, and the display device; and a plastic body case for housing_the ultrasonic sensor array, the data acquisition board, the main board, and the data storage medium. ### Claim 8 (depends on 1) The portable device of claim 1, further comprising a speaker, wherein the processor of the main board performs Heterodyne conversion of the sound source values into an audible sound signal, and wherein the processor of the main board transmits the audible sound signal to the speaker to allow a user to perceive the ultrasonic waves from the sound source by an auditory sense. ### Claim 9 (depends on 1) The portable device of claim 1, wherein the ultrasonic sensors are arranged on a sphere at regular intervals.