Abstract: An apparatus for estimating a direction of a vehicle includes: a vehicle position calculator calculating a current position of the vehicle and a current time using a received satellite signal; a satellite candidate predictor predicting satellite candidates that are observable at the calculated current position of the vehicle using ALMANAC data in which information about positions and azimuths of satellites is included and using the calculated current position of the vehicle and current time; a road candidate searcher searching road candidates positioned around the vehicle based on the calculated current position of the vehicle; and a direction estimator estimating the direction of the vehicle using information about the predicted satellite candidates and the searched road candidates.

Abstract: A rotary sensor includes a rotor and a housing. A support structure includes a shaft, a housing portion, a first member, and a second member. A first end of the shaft is coupled to the rotor, and the shaft is supported for rotation about a shaft axis. The housing portion includes a first bore extending along a first axis, and a second bore extending along a second axis oriented at a non-zero angle relative to the first axis. The first member is received in the first bore and is movable relative to the housing portion in a direction parallel to the first axis. The first member is coupled to the second end of the shaft. The second member is received in the second bore. At least one of the housing portion and the second member is movable relative to the other of the housing portion and the second member in a direction parallel to the second axis.

Abstract: An optical sensor and a deformation detection system in which the optical sensor is used. The optical sensor includes an optical fiber, an elongated hollow housing having an interior portion, and a material disposed on an inner surface of the housing that produces a persistent change in an optical signal transmission property of the optical fiber when the optical fiber contacts the material. The optical fiber elastically extends between opposing ends of the housing such that a bending deformation of the housing beyond a threshold radius of curvature causes a contact to occur between the material and the optical fiber. The contact results in persistent change in the optical signal transmission property of the optical fiber, which can be detected to determine whether deformation of the device occurred beyond a predetermined threshold value. The deformation detection system can use one or more of the optical sensors attached to the device.

Abstract: An optical sensor and a deformation detection system in which the optical sensor is used. The optical sensor includes an optical fiber, an elongated hollow housing having an interior portion, and a material disposed on an inner surface of the housing that produces a persistent change in an optical signal transmission property of the optical fiber when the optical fiber contacts the material. The optical fiber elastically extends between opposing ends of the housing such that a bending deformation of the housing beyond a threshold radius of curvature causes a contact to occur between the material and the optical fiber. The contact results in persistent change in the optical signal transmission property of the optical fiber, which can be detected to determine whether deformation of the device occurred beyond a predetermined threshold value. The deformation detection system can use one or more of the optical sensors attached to the device.

Abstract: A system learns to automatically identify, and detect, contextual conditions that may serve as action triggers to help please a user (or avoid annoying a user). Among other features, a simple sensor arrangement is detailed which, in addition to producing a customary stream of high bandwidth sensor data, provides an output of low bandwidth data. This low-bandwidth data serves to identify a particular reference pattern with which the high-bandwidth sensor data is found to correspond. Such a sensor can employ reference patterns discovered through pseudo-random trials. A great number of other advantageous features and arrangements are also detailed.

Abstract: Various aspects of this disclosure comprise systems and methods for synchronizing sensor data acquisition and/or output. For example, various aspects of this disclosure provide for achieving a desired level of timing accuracy in a MEMS sensor system, even in an implementation in which timer drift is substantial.

Abstract: A multi-layer wireless sensor construct is provided. The construct includes a first dielectric layer adapted to be attached to a portion of a first surface of an electrically-conductive material. A layer of mu metal is provided on the first dielectric layer. A second dielectric layer is provided on the layer of mu metal. An electrical conductor is provided on the second dielectric layer wherein the second dielectric layer separates the electrical conductor from the layer of mu metal. The electrical conductor has first and second ends and is shaped to form an unconnected open-circuit that, in the presence of a time-varying magnetic field, resonates to generate a harmonic magnetic field response having a frequency, amplitude and bandwidth.

Abstract: A method of level finding includes providing characteristics of a shape of a transmitted pulse in time domain launched onto a waveguide into a tank having at least one material therein, physical properties of the waveguide and real and imaginary dielectric characteristics of the material at a frequency of the pulse. A level finding algorithm having a coarse search and a fine search is implemented, where the coarse search minimizes a prediction error between an echo signal (echo curve y(k)) and a sampled pulse model echo p(k) to obtain an objective function J(k) in a vicinity of a minimum prediction error (k*). The fine search calculates at least one minimum or maximum using J(k) in the vicinity of k*. The minimum or the maximum corresponds to a level of the material or an interface involving the material.

Abstract: The invention relates to a filling level measuring device (10) for measuring the filling level in a container (2) through the wall (9) thereof by means of ultrasound, having an ultrasonic measuring head (12), a controller (20), and a fastening device (24) by means of which the filling level measuring device (10) can be fastened to the container (2) such that the ultrasonic measuring head (12) is pressed against the wall (9) of the container (2). The invention further relates to a method of operating such a filling level measuring device (10), wherein a sampling rate is used which is situation-dependent. The invention finally relates to an assembly made up of such a filling level measuring device and at least one spacer (50) which can be attached to the lower edge of a container (2) to be provided with the filling level measuring device (10).

Abstract: A machining liquid is supplied to a predetermined level when a workpiece is on a table. A volume of the workpiece is obtained from a difference between the machining liquid amount at the predetermined level when a previous workpiece is not on the table, and the machining liquid amount when the workpiece is on the table. A weight of the workpiece is obtained from the obtained volume and a previously stored density of the workpiece. A weight of a mounting jig is obtained in the same procedure. A total volume of the jig and workpiece is obtained when the jig is on the table and the workpiece is fixed to the jig. The volume of the workpiece is obtained by a difference with respect to the volume of the jig. The weight of the workpiece fixed to the jig is obtained from the obtained volume and the previously stored density.

Abstract: The invention is a weighing and feeding system for accurate weighing of small quantities of material in pelletized form and feeding the weighed material to processing machines. In particular the invention, is suitable for the preparation of weighed quantities of masterbatch to be added with resin directly into injection molding or extrusion machines for the manufacture of plastic products.

Abstract: A weight measurement system and a weight measurement method using a robot, by which a weight greater than a weight capacity of the robot can be measured. The system has a robot, a robot controller for controlling the motion of the robot, and an arithmetic processing unit for calculating the weight of an article to be measured. The robot is configured to apply a force to a working point connected to a tank so that at least one of support points or a part of a support surface of the tank is lifted, and simultaneously, the remaining support point or the remaining part of the support surface of the tank is grounded. The weight of the tank containing processing fluid can be measured based on a relationship between the force applied to the working point by the robot and a lever ratio.

Abstract: An acoustic wave acquiring apparatus is used that includes: an array light source including a plurality of elements emitting measurement light; a controller controlling the wavelength of the measurement light, for each of or the plurality of elements; a Fabry-Perot interferometer including a first mirror upon which the measurement light is incident and a second mirror upon which an acoustic wave from a subject is incident; an optical sensor measuring a light quantity of reflected light by the first and the second mirror; and a processor acquiring an intensity of the acoustic wave on the basis of a change of the light quantity of the reflected light, which is a distance between the first mirror and the second mirror, occurring due to the incidence of the acoustic wave.

Abstract: A method and an apparatus for detecting infrasound that determines the direction and position of an infrasound source. The detection method includes a container exposed to an infrasound source and partially filled with a mist (N) which is embedded in a carrier medium so that the resulting pressure change over time results in the formation of a directed front at the mist surface that can be optically detected.

Abstract: The invention relates to a gonioradiometer for the direction-dependent measurement of at least one lighting or radiometric characteristic variable of an optical radiation source (2), having: an apparatus for moving a radiation source (2) during a measurement operation about a first axis (31) and about a second axis (32) that is perpendicular to the first axis (31); a measuring wall (5) exhibiting homogeneous reflection, on which the light from the radiation source (2) is reflected; and a locationally fixed and immovably arranged camera (7) having an optical unit (8) and a two-dimensional sensor chip (100).

Abstract: A device including: a processor being configured to: instruct an image sensor to capture first image data of a patch applied to a user's skin unprotected against an ultraviolent spectrum of radiation, the patch having a reflection coefficient in the ultraviolent spectrum; measure a first reflectance from the patch based on the reflection coefficient; determine a second reflectance from the unprotected skin adjacent to the patch based on the measured first reflectance; instruct the image sensor to capture second image data of the user's skin after application of a sunscreen; determine a third reflectance from the skin adjacent to the applied patch for the skin having the applied sunscreen based on the measured first reflectance; and determine a time extending factor for the applied sunscreen based on the second and third reflectance.

Abstract: A circuit includes a charge sensitive amplifier (CSA) that includes an input to receive current from a photon sensor and generates an output signal that represents photons received by the sensor and dark current of the sensor. A control circuit generates a compensation signal to offset the dark current from the photon sensor at the input of the CSA. The control circuit couples feedback from the CSA to enable the compensation signal if the photon current received from the sensor is below a predetermined threshold. The control circuit decouples the feedback from the CSA to disable the compensation signal if the photon current received from the sensor is above the predetermined threshold.

Abstract: A measuring light source includes a hollow body having a diffusely reflective inner surface. Formed in the hollow body are a concave, concave mirror-shaped illumination space, a tubular light shaping space, and a concave, concave mirror-shaped light exit space, which have a shared axis. A light source for generating light is at least partially situated in the illumination space. The light exit space has a light exit. The illumination space and the light exit space with their concave mirror shapes are situated opposite one another and are connected by the tubular light shaping space. A diffusely reflecting reflective disk for reflecting the light, reflected from the inner surface of the hollow body situated in the light exit space, through the light exit to outside the hollow body is situated in the hollow body.

Abstract: A frequency registration deviation is quantified for a field spectrum collected during analysis by a spectroscopic analysis system of a sample fluid when the spectroscopic analysis system has deviated from a standard calibration state. The field spectrum is corrected based on the frequency registration deviation using at least one spectral shift technique, and a concentration is calculated for at least one analyte represented by the field spectrum using the corrected field spectrum. Related systems, methods, and articles are described.

Abstract: An imaging device which does not include a color filter and does not need arithmetic processing using an external processing circuit is provided. A first circuit includes a first photoelectric conversion element, a first transistor, and a second transistor; a second circuit includes a second photoelectric conversion element, a third transistor, and a fourth transistor; a third circuit includes a fifth transistor, a sixth transistor, a seventh transistor, and a second capacitor; the spectroscopic element is provided over the first photoelectric conversion element or the second photoelectric conversion element; and the first circuit and the second circuit is connected to the third circuit through a first capacitor.

Abstract: Provided are a multi-wavelength photoelectric measurement device, a confocal measurement device, an interference measurement device, and a color measurement device capable of measuring the characteristic amount of a measurement object such as the thickness, distance, displacement, or color with high accuracy using multi-wavelength light such as white light. The multi-wavelength photoelectric measurement device includes a laser light source, a light source optical member for concentrating light from the laser light source, a phosphor excited by light concentrated by the light source optical member, an optical fiber unit that includes one or a plurality of optical fibers and the phosphor disposed on a first end, receives light emitted by the phosphor from the first end, and transmits the received light toward a second end, and a head optical member that concentrates light emitted from the second end of the optical fiber unit toward a measurement object.

Abstract: Devices, methods, systems, and computer-readable media for a multispectral band system are described herein. One or more embodiments include a filter comprising a first designated transmittance value for a first wavelength range and a second designated transmittance value for a second wavelength range, a sensor to receive transmitted radiation from the filter, and a computing device coupled to the sensor to detect any radiation within the first and second wavelength ranges from the received transmitted radiation from the filter and wherein the detected radiation in the first wavelength indicates a particular type of radiation source and detected radiation in the second wavelength range indicates one or more other items within a field of view of the received radiation.

Abstract: A method for photothermal investigation of a sample (P), including: irradiating a first side of the sample (P) with an electromagnetic excitation pulse; detecting a result of the excitation pulse of one of the first side opposite second side of the sample (P) emitted thermal radiation (26); evaluating the detected thermal radiation based on a range defined by the following equations model: ?2T/?x2=1/?×?T/?t for 0<x<L, t>0 k×?T/?x?h×T=E(t)+??×(T(0,t)?T(L,t)) for x=0, t>0 k×?T/?x+h×d=???×(T(0,t)?T(L,t)) for x=L, t>0 T(x,0)=0 for t=0.

Abstract: A method for determining change in temperature of different parts of an electronic or optoelectronic device between un-energized and energized states without contacting the device. The method includes establishing a reference image form an unexcited device by illuminating the device with an optical signal and capturing the reference image from the device in an un-energized state, illuminating the device with an optical signal during an energization pulse having a predetermined pulse width and pulse magnitude and capturing a plurality of on images from the device at different time delays, determining a transient temperature profile, calibrating the temperature profile for one or more regions of the device with unknown thermoreflectance coefficient based on the determined transient temperature profile for the one or more regions of the device with known thermoreflectance coefficient.

Abstract: A distributed temperature sensor probe for measuring temperature at multiple depths. The probe includes a plurality of temperature sensors connected in series inside a sensor housing. The temperature sensors are distributed at various points along the length of the sensor housing. Each temperature sensor has an internal storage and an internal battery. A probe head is connected to a top of the sensor housing, and a probe tip is connected to a bottom of the sensor housing.

Abstract: A charging controller (25) acquires the power loss of a power transmission coil (31) from a power supply device (100) via wireless communication. A temperature estimation unit (33) estimates the ambient temperature of a power reception coil on the basis of a preset amount of heat generation of a power reception device (200) and the power loss of the power transmission coil (31). In this case, when the positional relationship between the power transmission coil (31) and the power reception coil (41) is shifted from a normal positional relationship, the temperature estimation unit (33) increases, in accordance with the magnitude of positional shift amount, the contribution to a temperature rise due to the power loss of the power transmission coil (31). Accordingly, an abnormal increase in the ambient temperature of the power reception coil (41) can be prevented.

Abstract: Systems, methods and computer-accessible mediums for determining a specific absorption rate (SAR) of a radio frequency (RF) radiation on an object(s) can be provided, which can, for example hardware arrangement configured to receive thermal information for a portion(s) of the at least one object, and determine the SAR based on the thermal information.

Abstract: The present application discloses a pressure detection structure and a terminal device. The pressure detection structure includes a cover, a display screen, a pressure sensor and a middle frame, the display screen and the cover being sequentially stacked in the middle frame from bottom to top; wherein: the pressure sensor is fixed to the display screen; the display screen includes a lower glass layer, an LED light emitting layer and an upper glass layer which are sequentially stacked from bottom to top; and the pressure sensor is positioned beneath the lower glass layer. Thus, the tolerance to be controlled mainly lies in the thickness of the gap layer inside the display screen, and the flatness of the pressure sensor. Hence, the assembling tolerance is reduced, and the stability, reliability and consistency of pressure detection by the terminal device are improved.

Abstract: A load sensor includes: a substrate; a rib on the substrate; and two vertical transistors. Each vertical transistor includes: a gate electrode, a gate insulation film, and a semiconductor thin film on the side surface of the rib; a bottom electrode layer on a bottom of the substrate, on which the rib is not arranged, with contacting the semiconductor thin film; and a top electrode layer on a top of the rib with contacting the semiconductor thin film. Each vertical transistor flows current between the bottom electrode layer and the top electrode layer when a channel region is provided in the semiconductor thin film. Each straight line along normal line directions of the channel regions in the vertical transistors is arranged on a different side surface of the rib from each other, and has a predetermined angle between the straight lines.

Abstract: In various embodiments, the present disclosure provides a probe seating and locking device comprising a main body and a sleeve disposed at least partially concentrically about a probe. In various embodiments, the main body comprises a relief cut, a probe channel in communication with the relief cut, and a probe housing extending from the main body, wherein the probe housing has a probe passage in communication with the probe channel. In various embodiments, the probe passage comprises a first end, a second end, and a sensing aperture, wherein the probe housing is coupled to the main body at the first end. In various embodiments, the probe is disposed in the probe channel and is in contact with the seating step.

Abstract: A torque detection device including a multipolar ring-shaped magnet fixed to a first shaft, a yoke holder configured to be fixed to a second shaft coaxially linked to the first shaft via a torsion bar and have a cylindrical portion surrounding the magnet, a pair of magnetic yokes each having a plurality of claw portions opposing the magnet and are fixed to the yoke holder, and a sensor part that detects a difference in rotational phase between the first shaft and the second shaft, wherein the pair of magnetic yokes are each provided with a plurality of swaging pieces swaged on the cylindrical portion, the swaging piece disposed at a position that overlaps in a radial direction of the cylindrical portion a specific claw portion selected from the plurality of claw portions and being formed so as to have a smaller width than a width of the claw portion.

Abstract: Proposed is a method of determining optimal operation conditions for treating holes with a rotary tool by performing a hole treatment operation on a tester under various treatment conditions which are similar to the use of the tool in the industrial production on a real manufacturing equipment. The method consists of changing the treatment conditions and determining those operation parameters at which the treated hole is most optimally satisfies the given technical requirements. A criterion for evaluation of these optimal conditions is equality of pair forces acting on the rotary tool in the X- and Y-axis directions since such a situation prevents sidewise deviation of the tool from the direction of the thrust force applied in the Z-axis direction. The above condition is provided by the specific structure of the tester used for carrying out the method.

Abstract: A method and apparatus for determining a bicyclist's bodily position, such as sitting or standing, while riding a bicycle. Sensors measure a force applied by the bicyclist to the pedals. The measurement data is analyzed to identify a feature, such as whether a radial force is higher or lower than a tangential force or whether a total vertical force is high or low, which is indicative of the bicyclist's bodily position. A series of changes in the bicyclist's bodily position during the ride is recorded. A series of changes in the geographic location of the bicyclist and/or a series of changes in one or more performance metrics while riding the bicycle may also be recorded. The series of changes in the bicyclist's bodily position, the geographic location, and the performance metrics may be correlated, graphically communicated in real-time or post-ride, and used to improve the bicyclist's performance.

Abstract: The present invention relates to a fault diagnosis apparatus for a brake of a train, an automatic train operation system operated due to degradation of braking performance using the same, and a fault diagnosis method for the brake of the train. In particular, the present invention is directed to determining that a fault has occurred in the brake when the difference between the current acceleration of the train and the required acceleration is greater than or equal to a reference value and safely moving the train to a stopping point through a powering operation or coasting operation such that emergency braking is not applied by an automatic train protection (ATP) system if the fault has occurred in the brake. When a fault occurs in the brake of the train, the train is automatically operated such that emergency braking is not triggered by an ATP system.

Abstract: A pressure sensor has a substrate and a transistor structure. The substrate has a cavity formed in the substrate. The transistor structure is arranged above the cavity. The transistor structure has a flexible heterostructure and at least one source contact, drain contact, and gate contact each connected to the heterostructure in an electrically conductive manner. The heterostructure is configured to assume a position corresponding to a pressure ratio between a first pressure in the cavity and a second pressure on a side of the heterostructure opposite the cavity. The transistor structure is configured to provide an electrical signal corresponding to the position.

Abstract: An ultrasonic detector has a housing containing a transducer, a battery or other power supply, and any other necessary electronics. At a front end of the housing is a socket into which one of a plurality of interchangeable probes can be inserted. At the rear end of the housing, there is a handle by which an operative can hold the detector in use. On the inside of the housing, extending at least partially into the handle, is an elongate chamber within which at least one probe can be stored. A cover of the handle closes a rear end of the probe storage chamber and can be removed to expose a portion of the probe storage chamber and allow a probe to be inserted or removed.

Abstract: A portable aeroacoustic wind tunnel includes a modular building structure. The wind tunnel is assembled together on-site at an assembly plant outdoors and on the ground and disassembled into sub-assemblies for transportation. A separate control building includes fan controls, acoustic measurement controls and windows for visual observation. A portable generator provides power to the wind tunnel that is equipped with acoustic dampening features. The modular building structure and control building can be shipped in a cost-effective manner.

Abstract: An optical testing circuit on a wafer includes an optical input configured to receive an optical test signal and photodetectors configured to generate corresponding electrical signals in response to optical processing of the optical test signal through the optical testing circuit. The electrical signals are simultaneously sensed by a probe circuit and then processed. In one process, test data from the electrical signals is simultaneously generated at each step of a sweep in wavelength of the optical test signal and output in response to a step change. In another process, the electrical signals are sequentially selected and the sweep in wavelength of the optical test signal is performed for each selected electrical signal to generate the test data.

Abstract: A test device for testing a first contact lens classified as a specific type of contact lens is disclosed. The test device includes a light emitting unit and a detection unit. The light emitting unit emits a first incident light to the first contact lens to generate a first reflected light having a first light intensity, and the detection unit receives the first reflected light, in response to the first light intensity generates a first light intensity value, and implements a specific water content algorithm based on the first light intensity value to estimate an actual water content associated with the first contact lens, wherein the specific water content algorithm is constructed based on a water content reference data associated with the specific type of contact lens and a corresponding light intensity measurement data associated with the water content reference data.

Abstract: Embodiments of the present invention generally relate to the field of fiber optics, and more specifically to apparatuses, methods, and/or systems associated with testing fiber optic transmitters. In an embodiment, the present invention is an apparatus comprising a laser optimized multimode fiber having near minimally compliant effective modal bandwidth, near maximum channel length, and ?-profile that produces an R-MMF DMD slope.

Abstract: A ball bearing inspection device includes: an arbor supporting an inner ring on the outer circumferential surface; a rotary drive unit driving the arbor; a first pressing unit applying a preload to a ball bearing; a second pressing unit applying a preload in an opposite direction of the pressing direction; and a vibration detection unit detecting vibration from the ball bearing. The arbor includes an abutting section that protrudes outward from the outer circumferential surface, a movable flange arranged apart from the abutting section, and a flange drive mechanism switching the movable flange between a first state in which the movable flange protrudes from the outer circumferential surface and a second state in which the movable flange is accommodated within the arbor. The flange drive mechanism is additionally provided with a drive force supply unit that applies drive force for switching to the first or the second state.

Abstract: A test bed for electric wheel comprehensive performance is characterized in that the test bed comprises a foundation, a portal frame set on the foundation and including a cross beam and two columns supporting both ends of the cross beam individually, a main pin arm movably connected to the portal frame, and a main rotation shaft revolvably and perpendicularly mounted on the top of the main pin arm, wherein the electric wheel is mounted on the main pin arm and is located inside of the portal frame and right below the main rotation shaft. The test bed further comprises at least one of a road simulation mechanism, an inertia simulation mechanism, a driving power mechanism, a perpendicular loading mechanism, and a steering mechanism which take the simulation test on the electric wheel.

Abstract: A method for evaluating the frictions in a power steering mechanism, the method including a step of acquiring a series of characterization points, during which are measured, for several different values taken successively by the assistance force during the operation of the steering mechanism, the corresponding friction values, so as to empirically obtain a series of distinct characterization points each associating a measured friction value to a measured value representative of the assistance force, then a step of constructing an empirical friction model, during which a correlation law is established between the characterization points constitutive of the series of characterization points, from the scatter chart formed by the series of the characterization points.

Abstract: An environmental chamber includes an enclosure having opposed walls each wall having an aperture of size to receive a test specimen support therethrough. The apertures are aligned with each other along on a reference axis. A forced air source is configured to supply forced air in a direction to intersect with the reference axis within the enclosure. A diverter is positioned between the forced air source and the reference axis. The diverter is configured to receive the forced air and control the air flow past different portions of the reference axis. The environmental chamber is used with a load frame having test specimen supports extending into the opposed apertures. A method of directing more force air at the test specimen supports than at at least a portion of the test specimen to maintain a selected temperature gradient in the test specimen is also provided.

Abstract: This true density measurement device is a device for measuring the true density of a sample by a gas phase substitution method, and is provided with a sample chamber for housing the sample, and a lid for providing closure to an opening of the sample chamber. The lid is a non-rotating lid that is pressed against the rim of the opening to hermetically seal the sample chamber.

Abstract: A rotary rheometer has two measurement parts which delimit a measurement gap and can be moved relative to one another in a predetermined movement direction by an adjustment device. At least one switching unit is provided, which responds to changes in a force flow in a force circuit of the rotary rheometer delimited by the measurement parts and has switching contacts for the activation of an adjustment device, which stops the adjustment device when a predetermined limit force value is exceeded for the force flow in the positive or negative direction, optionally without relative movement of the measurement parts, or with the measurement parts remaining in the same position.

Abstract: A linear elastic modulus measurement method and a linear elastic modulus measurement device can reduce external disturbances such as oscillation and electrical noise, and accurately and stably measure the linear elastic modulus of a linear elastic body even in the case where damping due to viscous stress is large. The measurement device computes the oscillation velocity (dx/dt) of an oscillator from the displacement of the oscillator brought into contact with the linear elastic body, and multiplies dx/dt by a linear velocity feedback gain to generate a feedback control signal. The measurement device applies, to the oscillator, a force proportional to the oscillation velocity of the oscillator by the feedback control signal, to cause the oscillator to self-oscillate. The measurement device computes the linear elastic modulus of the linear elastic body from the frequency when the self-oscillation of the oscillator is detected and the mass of the oscillator.

Abstract: An apparatus for trapping and sensing nanoparticles using plasmonic nanopores, comprising a conductive transparent layer, a conductive film layer mounted to a substrate, the film layer comprising a plurality of nanopores for trapping nanoparticles contained in a fluid situated between the conductive transparent layer and the conductive film layer, and an electric field source connected between the transparent layer and the film layer.

Abstract: HEPA filter integrity testing apparatus including an automated mover, a scan module connected to the automated mover, and scan probes disposed along the length of the scan module. Assemblies also include HEPA filters and the filter integrity testing apparatus. A method of determining the integrity of HEPA filters with the filter integrity apparatus is disclosed.

Abstract: Disclosed is a system and method for characterizing optical filters in a flow cytometer and optionally checking the operation of detectors in the flow cytometer. In some embodiments, the system may utilize an LED board having an opening through which the fluorescence and side scatter beams, rays, or images pass and light emitting diodes around the opening that emit light having different spectral profiles. The different spectral profiles allow the system to identify the optical filters that are placed in the flow cytometer, to verify detector operation, to assist in instrumentation troubleshooting, and to provide a quantitative reference for detector comparison.