G01N2291/028

MULTI-FOCUS OPTICAL-RESOLUTION PHOTOACOUSTIC MICROSCOPY WITH ULTRASONIC ARRAY DETECTION

A probe for use with an imaging system, including a scanning device configured to receive a first light beam from a light source, a beam-divider configured to split the first light beam into a plurality of second light beams, and a focusing device configured to focus each of the second light beams on respective locations in an object of interest is disclosed.

Determining non-plastic state shrinkage in a cement slurry

A system and method to determine a non-plastic state shrinkage (NPSS) characteristic of a cement slurry. The system and method can include operations of transmitting an ultrasonic signal through the slurry, recording a transit time of the ultrasonic signal as the slurry cures, plotting the transit time, measuring and plotting a shrinkage of the slurry, determining a transition of the transit time from an increased rate of change to a decreased rate of change, determining a first curing time at the transition, determining the detected volume at the first curing time based on the second plot; and determining a change in the detected volume from the first curing time to a second curing time, wherein the second curing time is after the first curing time.

Method and apparatus for non-audible sensing of a defibrillator status indicator
11103719 · 2021-08-31 · ·

A monitoring device for monitoring the readiness state of an automated external defibrillator (AED) and communicating the state to a remote receiver is described. An associated method is described as well. The monitoring device captures a non-acoustic parameter related to the activation of the AED readiness state beeper.

MOLECULAR SENSOR, MOLECULAR DETECTION DEVICE, AND MOLECULAR DETECTION METHOD

According to one embodiment, a molecular sensor contains a sensitive film in which a porous member and an ionic liquid coexist. The molecular sensor is capable of detecting a target molecule by measuring a change in physical quantity of the sensitive film due to adsorption of the target molecule to the sensitive film.

METHOD FOR EVALUATING CORRODED PART
20210181155 · 2021-06-17 ·

To provide a method for evaluating a corroded part, the method making it possible to specify only a waveform reflected by a corroded part and to evaluate the waveform. When a transmission unit (2) is moved on the surface of a metal pipe (60) and the distance between a corroded part (5) and the transmission unit (2) is changed, only a waveform portion A of ultrasonic waves reflected by the corroded part (5) moves toward the left or right along an X axis, and only the intensity of a noise waveform portion B included in a received wave changes upward or downward along a Y axis, which makes it possible to separate the waveform portion A and the noise waveform portion B of a longitudinal-wave surface wave reflected by the corroded part (5) and evaluate the waveform portion A in detail.

Systems and methods for curing, testing, validating, rating, and monitoring the integrity of composite structures
11119071 · 2021-09-14 · ·

Systems and methods relate to testing and/or monitoring acoustic emissions detected at composite structures, such as carbon fiber structures, intended for use in extreme conditions, such as in high pressure conditions, high or low temperature conditions, conditions in which the composite structure is subjected to mechanical impacts, or the like. The systems and protocols are suitable for use with composite structures comprising, e.g., carbon fiber structures, such as hollow or partially hollow structures used in submersible vehicles, spacecraft, gas-fillable storage containers, pressure vessels, and the like, that are subjected to extreme conditions during use. Systems and methods disclosed herein are directed to collecting and analyzing data, determining background conditions, differentiating and classifying signals, conditioning or curing a material or structure, assessing, rating and/or validating the “health” of a material or structure in real-time, determining alarm conditions, predicting failure conditions, and the like.

Multi-focus optical-resolution photoacoustic microscopy with ultrasonic array detection

A probe for use with an imaging system, including a scanning device configured to receive a first light beam from a light source, a beam-divider configured to split the first light beam into a plurality of second light beams, and a focusing device configured to focus each of the second light beams on respective locations in an object of interest is disclosed.

APPARATUS AND METHOD FOR DETECTING OBJECTS IN WATER BODIES
20210116554 · 2021-04-22 · ·

An apparatus and a method are provided for detecting one or more objects under a surface of a water body. The method includes transmitting one or more ultrasonic waves into the water body according to a transmit beam pattern. The method further includes determining a bottom characteristic of a bottom of the water body and dynamically adjusting the transmit beam pattern, based on the bottom characteristic of the water body.

Systems and methods for detection of surface and near-surface porosity

A method of detecting porosity at and near a composite surface is disclosed, including projecting polarized light on a surface of a composite component and filtering out light reflected off of the surface. The method further includes imaging light scattered from inhomogeneities in the composite component, and generating a map of absence of composite material near the composite surface based on scatter intensity detected in the imaging step.

Method of analyzing, displaying, organizing and responding to vital signals
10877655 · 2020-12-29 · ·

A system for monitoring vital signs includes: an imaging device for acquiring video image files of a living individual; a data analysis system including a processor and memory; a computer program running in the data analysis system to automatically analyze the video images, autonomously identify an area in the images where periodic movements associated with a selected vital sign may be detected and quantified; and, an interface that outputs an electrical signal corresponding to the waveform of the selected vital sign. The system may include a Graphical User Interface, which may display a visual graph of the waveform and a single video frame or a video stream of the individual.