Abstract: A device for estimating a mechanical property of a sample is disclosed herein. The device may include a chamber configured to hold the sample; a transmitter configured to transmit a plurality of waveforms, including at least one forcing waveform; and a transducer assembly operatively connected to the transmitter and configured to transform the transmit waveforms into ultrasound waveforms. The transducer assembly can also transmit and receive ultrasound waveforms into and out of the chamber, as well as transform at least two received ultrasound waveforms into received electrical waveforms.

Abstract: A display apparatus includes a display module having a display panel configured to display an image, a sound generating device configured to vibrate the display panel, an adhesive member connected between a rear surface the display panel and the sound generating device, and a structure configured to support the sound generating device, wherein the structure is connected to at least a portion of the sound generating device and a portion of the rear surface the display panel.

Abstract: An ultrasonic testing apparatus structured to perform an ultrasonic inspection on a workpiece. The ultrasonic testing apparatus comprises an ultrasonic testing probe structured to generate an ultrasonic output directed toward the workpiece and to receive an ultrasonic input from the workpiece that is responsive to the output; a couplant delivery system comprising a couplant supply, the couplant delivery system further comprising an actuator which, when operated, is structured to apply from the couplant supply an amount of a couplant to at least one of the workpiece and the ultrasonic testing probe; and a control apparatus electrically connected with the ultrasonic testing probe and with the couplant delivery system, the control apparatus being structured to receive the ultrasonic input and being further structured to operate the actuator. A couplant delivery system that is operable with an ultrasonic testing apparatus that is structured to perform an ultrasonic inspection on a workpiece.

Abstract: A weight estimation apparatus 1 includes: an impulsive force calculation unit 2 calculating an impulsive force using an acceleration response indicating vibration generated in a structure by the moving object (vehicle 27) moving through the structure, and a weight estimation unit 3 estimating a weight of the moving object using the impulsive force.

Abstract: A wear monitoring method of a polymer thrust bearing based on an ultrasonic reflection coefficient amplitude spectrum (URCAS), includes: selecting a corresponding delay block probe based on a material of a to-be-tested bearing, and setting corresponding parameters of a pulse generator; after collecting a primary echo from a surface of the delay block probe as a reference signal, placing the delay block probe in a designated region on a back of the to-be-tested bearing, and collecting time-domain echo signals from upper and lower surfaces of the bearing; establishing a propagation model of an ultrasonic signal in a polymer bearing, and calculating a theoretical URCAS based on the propagation model; calculating a measured URCAS; and constructing an objective function, and solving the objective function by using a differential evolution algorithm. A plurality of parameters of the polymer bearing is solved to meet a requirement for wear monitoring by adopting the method.

Abstract: Method for ultrasonic characterization of a medium, including generating a series of incident ultrasonic waves, generating an experimental reflection matrix Rui(t) defined between the emission basis (i) as input and a reception basis (u) as output, and determining a focused reflection matrix RFoc(rin, rout, ?t) of the medium between an input virtual transducer (TVin) calculated based on a focusing as input to the experimental reflection matrix and an output virtual transducer (TVout) calculated based on a focusing as output from the experimental reflection matrix, the responses of the output virtual transducer (TVout) being obtained at a time instant that is shifted by an additional delay ?t relative to a time instant of the responses of the input virtual transducer (TVin).

Abstract: A load measuring hitch assembly is described. The assembly can include a body portion operable to facilitate coupling the load measuring hitch assembly to a tow vehicle. Additionally, the assembly can include a hitch ball coupled to the body portion. The hitch ball can include a ball operable to facilitate coupling the load measuring hitch assembly to a trailer. The hitch ball can also include a lower portion coupled to the body portion in a fixed relationship. The hitch ball can further include an instrument portion free to deflect due to at least one of a vertical or a horizontal force acting on the ball. In addition, the hitch ball can include one or more force sensors operably coupled to the instrument portion to measure a force on the instrument portion in at least one measurement axis, thereby facilitating determining a magnitude of the at least one of the vertical or the horizontal force acting on the ball.

Abstract: A method is provided for determining anomalies associated with a railcar wheel of a railcar wheelset, or a railcar bogie assembly that the railcar wheelset is part of, or a track, during motion of the railcar wheelset on a track. A wheel-mounted sensor ring is removably attached to a hub portion of a railcar wheel of a railcar wheelset. The sensor ring includes one or more sensors, such as inertial measurement units (IMU's), mounted thereto to measure parameters that are used for determining the anomalies during motion of the railcar wheel on the track. The railcar wheelset is moved on the track. The measured parameters are collected from the one or more sensors. The measured parameters are used for determining the anomalies during motion of the railcar wheel on the track.

Abstract: A device and method for non-destructive testing of an object, such as a pipe, well casing, plane wing, rail track, weldment, bridge or manufactured part. A phased array of ultrasonic transducers moves relative to the part in one direction, while transmitting a steered wave in another direction to capture the texture from the object's surface. Diffuse and specular components of the received reflection signals are separated and beamformed for visualization. The object is then viewable as a 3D image with a texture map of the object's surface.

Abstract: A windshield for a balance which has a door that can be automatically opened and closed or half opened and half closed is provided. The windshield includes doors to which air cylinders are joined as driving means, sensors for monitoring movements of the doors, pressure sensors configured to monitor a pressure of air to be supplied to the air cylinders of the driving means, and a control unit configured to stop an air supply to the air cylinders when a pressure of air monitored by the pressure sensor exceeds a predetermined value. Stoppers are disposed on movement paths of the doors to block movement, and when air pressure inside the air cylinder increases to the predetermined value due to contact with the stopper, the door stops. The door can be freely fully opened and half-opened according to the position of the stopper.

Abstract: A weight sensor unit, comprises a weight sensor configured to output weight sensor readings indicative of the weight being supported thereby. A transmission device is configured to transmit wireless signals, and a processor, is coupled to the weight sensor and to the transmission device. The weight sensor unit includes a battery. The weight sensor, transmission device and processor are powered by the battery. In use, the processor is configured to receive one or more weight sensor readings output by the weight sensor, and transmit the weight sensor readings wirelessly using the transmission device. The weight sensor unit may include a wireless transceiver configured to wirelessly interact with devices placed in proximity thereto. In an embodiment, all electronic components of the weight sensor unit are powered by the battery. A dispensing unit incorporating the weight sensor unit is also disclosed.

Abstract: A biometric information measuring device comprising a control part that determines a degree of matching with respect to a purpose of use that is set in measured data related to multiple body compositions, based on a purpose-of-use matching degree relationship in which a degree of matching with respect to a purpose of use is associated according to a combination relationship about change directions of data related to the multiple body compositions associated by a display order with respect to the purpose of use.

Abstract: A windshield for an electronic balance is provided which includes air cylinders incorporated inside as driving mechanisms, doors supported by a hanging manner by guide holes at least one end portion of which is open, and joint members interposed between the air cylinders and the doors. The joint members are also supported in a hanging manner in the guide holes, and upper portions of the joint members are joined to the air cylinders incorporated inside. The doors can be automatically opened and closed, and can be easily joined to and released from the driving mechanisms, and easily detached from the windshield by a simple structure.

Abstract: Load measuring hitch assemblies are disclosed and described. In one embodiment, the assembly can include a body portion operable to facilitate coupling the load measuring hitch assembly to a tow vehicle. The assembly can also include at least one load cell operable to measure force in at least one measurement axis. Additionally, the assembly can include a ball portion having a ball operable to facilitate coupling the load measuring hitch assembly to a trailer. The ball portion and the body portion can be coupled to one another via the at least one load cell and a pin slot joint. The pin slot joint can provide relative motion between the ball portion and the body portion in a rotational degree of freedom about a first axis and a translational degree of freedom along a second axis. The first and second axes can be orthogonal to one another.

Abstract: A monolithic weighing system (100) includes a plurality of levers (120), which are joined together by thin-section joints (110). The levers, on the one hand, and the thin-section joints, on the other hand, are made of different materials or material combinations; and the levers, adjoining one of the thin-section joints on both sides thereof, have a first material (21), and the thin-section joint has a second material (22) which is different from the first material. An associated method includes (i) an additive manufacturing process, in which different materials, including the first and second material (21, 22), are applied in layers and are joined to form a single-piece weighing system blank (10), wherein the weighing system blank (10) has prospective lever regions (12) and prospective thin-section joint regions (11), and (ii) subsequent subtractive finishing of the weighing system blank at least on the prospective thin-section joint regions to obtain the weighing system.

Abstract: A smart mat and scale to detect and communicate body weight of a user and other related data and a smart mat weight detection, calculation, and communication system configured to wirelessly communicate with nearby devices and over a network to a cloud application service and cloud database are disclosed smart mat (bathroom mat, shower mat, kitchen mat, work area mat, or other household mat or commonly used mat), that has circuitry to inconspicuously sense body weight and related data, transmit wirelessly to a phone or hub is disclosed. The smart mat presented herein incorporates technology to well-known household product and enables gathering of body weight data subconsciously and hence allowing gathering consistent data over period of time. It is also preferred to be flexible, light weight and withstand conventional cleaning practices.

Abstract: An apparatus includes an acquisition means for acquiring the displacement quantity in a time-series manner, the displacement quantity being generated at a measurement part of a structure by the weight of a vehicle that travels on the structure, a detection means for detecting the position and the clock time of the vehicle that travels a pre-passage area of the measurement part, an estimation means for estimating the arrival time that the vehicle arrives at the measurement part, from the position of the measurement part and the position and the clock time of the vehicle, and a control means for controlling the acquisition means on the basis of the estimated arrival time.

Abstract: A patient weighing system is disclosed. The system may include a set of overlays configured to cover a top face of a patient transport device. The system may further include a set of attachment sub-systems configured to couple each overlay to the top face of the patient transport device. The system may further include a set of sensor sub-systems including a load cell and a housing assembly. Each housing assembly may include at least a top dome housing portion. The top dome housing portion may have one degree of freedom along a z-axis and the load cell may be configured to compress and generate an electrical voltage when force is applied along the z-axis of the load cell. Each set of sensor sub-systems may be configured to measure a weight of a portion of a patient's body.

Abstract: A method for optimizing the running properties of a rotating belt of a weighing belt conveyor includes, for at least one rotation of the belt, determining a unique reference position on the belt. A force signal is determined in dependence on the movement of the belt with respect to the reference position during the at least one rotation. From this force signal, the course of a deviation of the force signal from a set value as a consequence of a disruptive force is determined. At least in correspondence with the direction of the determined deviation, the mass of the belt is increased or reduced at locations in dependence on the position of the belt with respect to the reference position.

Abstract: A combination weighing apparatus includes a dispersion table configured to convey an article from a received center to an outer side, the article being supplied from an outside, a plurality of conveying feeders disposed outside the dispersion table, the plurality of conveying feeders being configured to further convey the article conveyed from the dispersion table, a detector configured to detect a loading status information of the article in each of the plurality of conveying feeders, and a controller configured to receive a detection result of the detector. The controller is configured to generate a vector information based on the loading status information detected by the detector and a position information of the plurality of conveying feeders with respect to a center of the dispersion table, and generate a biased center of the article on the dispersion table obtained based on the vector information.