Abstract: A force detector includes a layered structure including a first layer and a second layer. The first layer includes a detection face that receives a force to be detected and the second layer is disposed on a face opposite to the detection face. A Young's modulus of the first layer is different from a Young's modulus of the second layer. The force detector further includes a stress generator formed in the layered structure and that receives the force acting in a tangential direction of the detection face and generates a stress with a distribution that is asymmetric with respect to a normal direction of the detection face around the stress generator. The force detector further includes a plurality of sensors disposed around the stress generator.

Abstract: A module, including at least one first component in the form of a semiconductor component including multiple stress measuring cells situated in a distributed manner for detecting stress measured values at different measuring positions of the semiconductor component, at least one second component which is mechanically coupled to the semiconductor component, and an evaluation unit, which is designed to ascertain at least one location-dependent stress distribution in the semiconductor component based on the stress measured values detected at one measuring point in time, and to ascertain a deformation state of the at least one second component at the measuring point in time on the basis of the at least one ascertained location-dependent stress distribution in the semiconductor component. A corresponding method for monitoring environmental influences on a module is also described.

Abstract: The outer housing for a pressure monitoring system includes a sidewall shell comprising an annular inner sidewall projection extending from a top end thereof; a cap mounted to the sidewall shell, the cap defining an inner cap surface, an outer cap surface, a cap bottom end, and an annular cap recess extending into the cap bottom end between the outer cap surface and the inner cap surface, wherein the annular inner sidewall projection is configured to engage the annular cap recess; and an antenna assembly directly mounted to the inner cap surface, the antenna assembly comprising an antenna.

Abstract: A stress and/or strain measurement cell for a stress and/or strain measurement system. The cell includes a reference contact, a sensor contact and a first current mirror circuit which is integrated into a semiconductor material and has a first conduction path connectable or connected to the reference contact and a second conduction path connectable or connected to the sensor contact. The first conduction path includes a first transistor and the second conduction path includes a second transistor. A first crystal direction of the semiconductor material oriented perpendicular to a first inversion channel of the first transistor is definable for the first inversion channel and a second crystal direction of the semiconductor material oriented perpendicular to a second inversion channel of the second transistor is definable for the second inversion channel. The first crystal direction of the semiconductor material is inclined relative to the second crystal direction of the semiconductor material.

Abstract: Provided is a pressure-sensitive element having more sufficient expandability, a relatively wide measurement range of pressure force, and a relatively simple structure, and an electronic device using the pressure-sensitive element. The pressure-sensitive element includes a plurality of first electrodes being elongated in first direction, arranged in a first plane, and including a conductive elastic body, a plurality of second electrodes being elongated in second direction intersecting the first direction, arranged in a second plane facing the first plane, and including a conductor wire, and a plurality of dielectrics covering a surface of the plurality of second electrodes. The plurality of second electrodes have bent parts K arranged periodically, and capacitance at intersections of the plurality of first electrodes and the plurality of second electrodes changes in accordance with pressure force applied between the plurality of first electrodes and the plurality of second electrodes.

Abstract: Methods and systems for diagnosing a sensor can involve detecting a group of sensor signals output from a sensor, and differentiating from among the sensor signals to distinguish inequalities in the sensor signals for an indication of a potential fault in the sensor. A small sensor signal can be identified from a larger sensor signal among the sensor signals for the indication of the potential fault in the sensor. The sensor can include a group of piezo-resistive Wheatstone bridge elements, and in some embodiments, the sensor may be a pressure transmitter.

Abstract: There is provided a capacitive pressure sensor comprising: a dielectric layer; a first electrode disposed on a first surface of the dielectric layer and to which a pressure is applied; a second electrode disposed on a second surface of the dielectric layer opposite to the first surface and including a plurality of unit electrodes having a predetermined shape; and a measuring device configured to detect a measurement value of a capacitance of the dielectric layer for each unit electrode by causing a potential difference between the first electrode and the second electrode.

Abstract: An electromagnetic ultrasonic double wave transducer, comprising a shell (1), and a permanent magnet assembly, a coil (4), a shielding layer (5), and a wire (6) which are provided in the shell (1). The permanent magnet assembly comprises a first permanent magnet (2) and a second permanent magnet (3) sleeved on the first permanent magnet (2). The magnetizing directions of the first permanent magnet (2) and the second permanent magnet (3) are perpendicular to the bottom of the shell (1), and the magnetic field directions of the first permanent magnet (2) and the second permanent magnet (3) are opposite. A non-conducting non-magnetic bushing material (9) is provided between the first permanent magnet (2) and the second permanent magnet (3), and upper end faces of the first permanent magnet (2) and the second permanent magnet (3) realize magnetic circuit closing by means of a magnetic circuit closing element (8).

Abstract: Provided is a strain sensor. The strain sensor according to embodiments of the inventive concept includes a flexible substrate, rigid patterns on the flexible substrate, the rigid patterns including a first pattern and a second pattern spaced apart from the first pattern in a first direction, a first electrode on the first pattern, a second electrode on the second pattern, the second electrode being spaced apart from the first electrode, and a piezoresistive layer connecting the first electrode and the second electrode. Here, each of the rigid patterns may have a stiffness greater than that of the flexible substrate.

Abstract: The pressure sensing device includes a substrate and a pressure sensor. The pressure sensor used is a thin-film piezoresistive sensor with a certain area, and a power wire, a ground wire, and two differential wires are led out from ends of the pressure sensor respectively, and the pressure sensor is arranged on the substrate. The substrate is simply attached to the object being tested that is to be subjected to pressure, the pressure sensor is connected to a pressure sensing detection circuit, the object being tested deforms under pressure, and the thin-film piezoresistive sensor deforms as the substrate deforms. The deformation of the substrate is detected through detecting the voltage drop between the two differential wires, which is converted to obtain the pressure on the object being tested, thereby realizing a pressure-sensitive touch function. A pressure sensing method and an electronic terminal with the pressure sensing device are also provided.

Abstract: A system for detecting the watertightness or flooding of an annulus of flexible lines from a connector. The system includes: an assembly of plunger and cylinder that are connected by a rod to a chamber that acts as a pilot valve. The assembly is connected directly to the outlet of a safety valve of a connector of the flexible line, in which same are fitted using a sealing system. The system is operated by commands sent to a ROV that has an arm and that controls the system using a handle.

Abstract: A capacitive pressure transducer includes a shielded spacer positioned between the capacitor electrodes and driven with a separate voltage source.

Abstract: A comprehensive two-dimensional gas chromatograph, comprising a sample injector, a primary dimension column, a two-position three-way valve, a secondary dimension column, a three-way tube, a heating oven and a detector, wherein an inlet end(s) of the sample injector is connected to a carrier gas line and as well to a sample line, and an outlet end thereof is connected to a first end of the primary dimension column, a second end of the primary dimension column is connected to a first branch of the three-way tube, a second branch of the T-union is connected to a first end of the secondary dimension column, a second end of the secondary dimension column is connected to an inlet of the detector, a third branch of the three-way tube is connected to a gas inlet of the two-position three-way valve, and a first gas outlet of the two-position three-way valve is connected to the carrier gas line.

Abstract: A pressure sensitive sensor includes: a first conductive member formed into a long shape, the first conductive member having conductivity and elasticity; a second conductive member internally including a long space to arrange the first conductive member, the second conductive member having conductivity and elasticity; and an insulating member having an insulating property and elasticity, the insulating member holding the first conductive member to separate the first conductive member from the second conductive member, the insulating member being movable relative to one or both of the first conductive member and the second conductive member.

Abstract: The present application provides a magnetostrictive liquid level meter and a liquid level measurement method thereof and belongs to the technical field of a liquid level meter. The meter comprises a holder; several measurement units configured to be fixed sequentially to the holder along a lengthwise direction of the holder; several waveguide wires configured to be connected with the several measurement units in a one-to-one correspondence mode, wherein each waveguide wire is arranged along the lengthwise direction of the holder, and a tail end of a upper waveguide wire is at least extended to a head end of a lower waveguide wire; and the magnetic float configured to be sheathed outside the holder, wherein the magnetic float moves up and down along the holder when a liquid level is changed, and one or more waveguide wires are located in a magnetic field formed by the magnetic float.

Abstract: In order to be able to carry out an accurate and simple contactless load measurement on test objects made from materials which are optimized with respect to the intended purpose thereof, the test object (14) and a load measuring apparatus for measuring a load on the test object, wherein the load measuring apparatus (12) has a magnetic field generating device (18) for generating a magnetic field in a measuring region (11) of the test object (14) and a first and a second magnetic field capturing device (20, 22) for capturing a magnetic field parameter which changes on account of the load, characterized in that the measuring region (11) has a layer (13) made of a ferromagnetic amorphous or nanocrystalline metal alloy with maximum particle sizes of less than 1 ?m.

Abstract: Embodiments provide a fluid metering device, including: a first fluid supply port for receiving a first fluid; a first fluid dispense port for dispensing the first fluid; a second fluid supply port for receiving a second fluid; a second fluid dispense port for dispensing the second fluid; a waste discharge port for discharging a mixture of the first fluid and the second fluid; a valve assembly including a plurality of valves; a manifold connected to the metering pump, wherein the manifold includes a plurality of fluid channels, and the manifold is used for communicating between the valve assembly and each port; a first tube connected between the second valve and the third valve for accommodating the mixture or the first fluid; and a second tube connected between the third valve and the fourth valve for accommodating the second fluid.

Abstract: Sensors having a deformable layer and an outer cover layer and robots incorporating the same are disclosed. In one embodiment, a sensor includes an inflatable diaphragm operable to be disposed on a member, wherein the inflatable diaphragm includes a port. The sensor further includes an outer cover layer disposed around the inflatable diaphragm, wherein the outer cover layer is fabricated from a material having a strength of greater than or equal to 35 cN/dtex, and a pressure sensor fluidly coupled to the port and operable to detect a pressure within the inflatable diaphragm.

Abstract: A measurement system includes a vessel for containing a fluid and at least one solid material and a probe assembly for disposing partially into the fluid within the vessel. The probe assembly includes a hollow tube having an open lower longitudinal end and at least one pressure sensor within the hollow tube, the at least one pressure sensor configured to measure pressures of the fluid within the hollow tube at at least two different elevations. A method of measuring a mass of suspended solids within a fluid, the method includes receiving pressure measurements representing two different elevations of the fluid within a hollow tube and substantially free of the suspended solids and based at least partially on the received pressure measurements, determining a mass of the suspended solids.

Abstract: A force torque sensor device includes a sensor chip that detects a displacement in a predetermined axis direction, a strain body that transmits an applied force to the sensor chip, and an adhesive that bonds the sensor chip to the strain body. The Young's modulus of the adhesive is greater than or equal to 130 MPa and less than or equal to 1.5 GPa.