Abstract: A strain transmitter for detecting strain of a structure includes a strain body, which has a strain axis with fastening devices for fastening the strain body on a structure, and a measurement element, which is arranged centrally between the fastening devices on the strain axis. The measurement element includes a metal sheet. The entire surface of a statically measuring, piezo-resistant silicon chip, which is connected to a full bridge and emits a voltage in the strained state proportional to the level of strain, is applied to the metal sheet. The measurement element includes a printed circuit board, and electric contacts are guided from the silicon chip along the printed circuit board.

Abstract: A cable for connecting to a connector of a high-voltage device includes an integral yield sensor. The yield sensor may be a pressure or force sensor, or a displacement sensor, including a stator part and a mobile part, and a spring for maintaining a compression force on the end portion of the cable towards the connector of the high-voltage device. The displacement sensor can include a Hall effect sensor and a linear array of magnetic elements arranged such that the Hall effect sensor moves relative to the linear array if there is any movement between the stator and mobile parts of the sensor, The magnetic field readings are interpreted in order to determine the amount of movement. A system for controlling a high voltage device in response to pressure and other information received from sensors in the cable is also provided.

Abstract: A force-sensitive resistor (FSR) assembly includes first and second electrically insulative substrates. The first substrate includes a first top surface and a first bottom surface. The second substrate includes a second top surface and a second bottom surface. The first substrate is positioned such that the first bottom surface is disposed facing the second top surface. The FSR assembly also includes thermoset ink disposed between the first substrate and the second substrate.

Abstract: A package includes a MEMS die and a cap element coupled to and stacked with the MEMS die. The MEMS die includes at least two physically isolated pressure sensors, each of which resides on its individual cantilevered platform structure. A first pressure sensor is vented to a first external environment via a first vent extending through the bottom of the MEMS die and is adapted to detect a first pressure of the first external environment. The MEMS die can be coupled to a lead frame having an opening that is aligned with the first vent. A second sensor is vented to a second external environment via a second vent extending through the cap element and is adapted to detect a second pressure of the second external environment. A difference between the first and second pressures is the differential pressure.

Abstract: A capacitance-type sensor sheet used for measuring an amount of stretch deformation and strain and/or distribution of stretch deformation and strain may include a dielectric layer made of an elastomer, an obverse-side electrode layer laminated on the obverse surface of the dielectric layer, and a reverse-side electrode layer laminated on the reverse surface of the dielectric layer. The obverse-side electrode layer and the reverse-side electrode layer may each contain carbon nanotubes and the average thickness of the each of obverse-side electrode layer and the reverse-side electrode layer may be 0.1 ?m or more and 10 ?m or less. The obverse-side electrode layer and the reverse-side electrode layer may be formed by applying a coating solution containing carbon nanotubes. The obverse-side electrode layer and the reverse-side electrode layer may each include a plurality of band-shaped bodies.

Abstract: A measurement pigment composition including pigment particles may be coated on a surrounding area of a display panel to form a strain measuring part. A strain of the display device may be measured by using 3D images of the strain measuring part.

Abstract: According to one embodiment, a strain sensing element provided on a deformable substrate includes: a first magnetic layer; a second magnetic layer; a spacer layer; and a bias layer. Magnetization of the second magnetic layer changes according to deformation of the substrate. The spacer layer is provided between the first magnetic layer and the second magnetic layer. The second magnetic layer is provided between the spacer layer and the bias layer. The bias layer is configured to apply a bias to the second magnetic layer.

Abstract: According to one embodiment, a strain sensing element to be provided on a deformable substrate, the element includes: a reference layer; a magnetization free layer; and a spacer layer. Magnetization of the magnetization free layer changes in accordance with deformation of the substrate. The spacer layer is provided between the reference layer and the magnetization free layer. The magnetization free layer has: a first magnetic layer; a second magnetic layer; and a magnetic coupling layer. The first magnetic layer is provided in contact with the spacer layer. The second magnetic layer is provided to be separated from the first magnetic layer. The magnetic coupling layer is provided between the first magnetic layer and the second magnetic layer. Magnetization of the first magnetic layer is anti-parallel to magnetization of the second magnetic layer.

Abstract: A pressure sensor for sensing pressure of a fluid includes a diaphragm separator having a protrusion. The pressure sensor further includes a resonator, where the protrusion is in contact with the resonator on a first side of the resonator. The protrusion is positioned to exert an imparted force onto the resonator. The pressure sensor also includes a backing diaphragm positioned on a second side of the resonator. The backing diaphragm exerts a counter force onto the resonator in response to the imparted force.

Abstract: A capacitive sensor for detecting the movement of an object, such as actuation of a key of an operating unit, includes first and second electrodes that are provided for connection or mechanical coupling to or arrangement on the object, the distance of which second electrode from the first electrode changes when the object moves. The electrodes form a first capacitor with a volume between the electrodes, the size of which changes when the object moves. An evaluation unit determines a change of capacitance between the two electrodes resulting from a change of their spacing and volume. A deformable, non-gaseous first dielectric is arranged between the electrodes and defines at least one gas volume that is filled by a gaseous second dielectric that can escape from the gas volume when the two electrodes approach one another.

Abstract: A method and corresponding system are provided for determining a three-dimensional stress field of an object having a flat surface. At least four flat resistors are placed on the flat surface of the object, with at least one of the resistors having a geometry different from that of the others. A variation of resistance of the resistors is measured. The three-dimensional stress field is determined from a system of equations involving the stress field, values of variations of the measured resistive values and sensitivity parameters of the resistors.

Abstract: A ceramic product includes a first ceramic part and a second ceramic part, wherein the first ceramic part is connected with the second ceramic part via a joint, wherein the joint comprises an active hard solder, or braze, characterized in that the joint has an inhomogeneous distribution of the components of the active hard solder, or braze, wherein at least at an interface between the active hard solder, or braze, and the ceramic, the at least one active component of the active hard solder, or braze, is enriched. For manufacture of the product, the active hard solder, or braze, material is provided in such a manner, that at least one surface section of at least one of the ceramic parts is first coated with at least one active component of the active hard solder, or braze, and that on the coated section, an alloy is provided, which, by melting of the alloy during the heating, alloys with the coating and forms a metal joint between the two ceramic parts.

Abstract: A fastener strain measurement system employs a probe incorporating a laser emitter to provide a laser beam and an acoustic detection device. A system controller is configured to detect an acoustic wave resulting from the ablation created by the laser beam and calculate fastener strain based on the detected acoustic wave.

Abstract: A device includes: a sensor module; a housing that houses the sensor module; a connector provided to the housing; a terminal provided to the connector; and an elastic electrically conductive member provided in a space between the sensor module and the connector and interposed between the terminal and a pad. The sensor module includes: a ceramic module body including a diaphragm and a cylindrical portion integral with a periphery of the diaphragm; a detector provided on a flat surface of the diaphragm; and the pad and an electronic component provided on a flat surface of the cylindrical portion radially outwardly adjacent to the flat surface of the diaphragm. The pad is electrically connected to the electrically conductive member.

Abstract: A pressure sensor for sensing pressure of a fluid includes a diaphragm flexure and a crystal retaining flexure. The diaphragm flexure is designed to exert imparted force on the crystal retaining flexure. The imparted force is proportional to fluid pressure exerted on the diaphragm flexure. The pressure sensor further includes a resonator having opposing curved end portions connected to each other by a bridge section. A portion of the crystal retaining flexure is positioned between the diaphragm flexure and the resonator. The crystal retaining flexure is designed to exert a load on the resonator. The load results from the imparted force exerted on the crystal retaining flexure by the diaphragm flexure.

Abstract: A pressure sensor for sensing pressure of a fluid includes a diaphragm flexure and a crystal retaining flexure. The diaphragm flexure is designed to exert imparted force on the crystal retaining flexure. The imparted force is proportional to fluid pressure exerted on the diaphragm flexure. The pressure sensor further includes a resonator having a round outer perimeter. A portion of the crystal retaining flexure is positioned between the diaphragm flexure and the resonator. The crystal retaining flexure is designed to exert a load on the resonator. The load results from the imparted force exerted on the crystal retaining flexure by the diaphragm flexure.

Abstract: A system and methods are provided for evaluating a bond between structures. The system includes an assembly of at least two bonded structures. The assembly has a front surface, a back surface, a thickness, and a bond disposed between the front surface and the back surface. At least one delay component is attached to the front surface of the assembly having a body having a front face, a back face, and a thickness. The system further includes a laser source capable of depositing laser energy onto a front face of the delay component, where a first portion of the laser energy is absorbed by the front face of the delay component to generate a first compression wave that propagates through the body of the delay component. A second portion of the laser energy is absorbed by the back face of the component to generate a second compression wave that reflects off of the back surface of the assembly to produce a tensile wave that stresses the bond.

Abstract: A golf swing analysis device includes a joint force calculation section and a torque extraction section. The joint force calculation section generates a double pendulum model that includes a first link that corresponds to an upper part of a body of a golfer, a second link that corresponds to a golf club, and a joint that links the first link and the second link, and calculates a joint force applied to the joint along with a swing motion using an acceleration measured by an inertial sensor attached to the golf club. The torque extraction section extracts a torque that causes the second link to make a rotational motion around a first axis from the joint force.

Abstract: A flexible tactile imager includes an array of sensing cells that measure shear force and normal force. The sensing cells include a first sub-cell and a second sub-cell. Each sub-cell includes multi-fingered capacitors configured to measure shear force in a first or second direction and to measure the normal force. The multi-fingered capacitors include a flexible printed circuit board, a comb-like fingered sense electrode and drive electrode patterned on a layer of the flexible printed circuit board, a deformable dielectric material positioned above the comb-like fingered sense and drive electrodes, the comb-like fingered floating electrode patterned above the deformable dielectric material, a first capacitance formed between the comb-like fingered sense electrode and the comb-like fingered floating electrode, and a second capacitance formed between the comb-like fingered drive electrode and the comb-like fingered floating electrode.

Abstract: A stress monitoring device of elasto-magneto-electric (EME) effect type, for monitoring stress of a structural component of ferromagnetic materials, includes a magnetic field generating unit, a magneto-electric (ME) sensing unit, a support skeleton, and a signal controlling and conditioning instrument. Under the control of the signal controlling and conditioning instrument, the magnetic field generating unit generates a magnetic field for magnetizing the structural component. The ME sensing unit outputs an electrical signal VME characterizing the magnetic field without a need of external power supply. This electrical signal VME is analyzed and processed by the signal controlling and conditioning instrument to output a magnetic characteristic value Vst corresponding to the changes of the external forces that are exerted on the component. This stress monitoring device realizes on-line, real-time, and nondestructive monitoring, as well as off-line nondestructive monitoring.