Abstract: A sensor device for detecting a number of objects, has a number of electrode configurations forming a sensor surface, each electrode configuration having a number of measurement electrodes and each electrode configuration being associated with at least one transmitter electrode, and an evaluation device coupled to the measurement electrodes and the transmitter electrodes, which is adapted for using a time multiplexing method for applying an alternating signal to one of the transmitter electrodes, and to apply a predetermined constant electrical potential to the remaining transmitter electrodes, and tapping an electrical signal indicating the position of the object relative to the sensor surface at the measurement electrodes associated with the transmitter electrode having the electrical alternating signal applied.

Abstract: A rotation angle sensing device is provided with a magnet that has a component with a magnetization vector in a direction orthogonal to a rotary shaft, a magnetic sensor part that outputs a sensor signal, and a rotation angle sensing part that detects a rotation angle of a rotating body based upon the sensor signal; the magnet has first and second surfaces substantially orthogonal to the rotary shaft, and a concave side surface that is continuous throughout all circumferences in the circumferential direction; the magnetic sensor part is placed within the space surrounded by the concave side surface, and at a position where an amplitude of a magnetic field intensity Hr and an amplitude of a magnetic field intensity H? on the virtual plane are substantially identical to each other, and outputs either the magnetic field intensity Hr or the magnetic field intensity H? as the sensor signal.

Abstract: A sensor unit for use in measurements on a subject is presented. The sensor unit includes a near field electromagnetic sensor and a flexible signal transmission structure, which are integral with one another by means of at least one common continuous surface. The flexible signal transmission structure is constructed from a first layer including signal connection lines associated with sensor cells near field electromagnetic sensor and a second electrically conductive layer electrically coupled to the electrically conductive material of the sensor.

Abstract: A tachometer system for an aircraft landing gear. The tachometer system includes a tachometer arranged to generate a variable voltage signal in response to the rotation of a wheel of the aircraft landing gear, and a processing system arranged to output a speed signal indicative of the rotation speed of the wheel of the aircraft landing gear. The speed signal is determined from the variable voltage signal from the tachometer using a set of determined parameters. The determined parameters of the processing system are determined from the voltage levels of the variable voltage signal.

Abstract: An automatic transfer switch (ATS) detection system is configured to detect an ATS. The ATS detection system includes an AC source configured to transfer a power signal to the ATS, a power switch, and an electronic load. The power switch includes a first input terminal coupled to a first signal lamp, a second input terminal coupled to a second signal lamp, and an output terminal. The AC source is coupled to the ATS and the second input terminal of the power switch, and the ATS is coupled to the first input terminal of the power switch. The electronic load is coupled to the output terminal of the power switch. The power signal is transferred through the ATS and the power switch, and is received by the electronic load.

Abstract: An electricity meter for metering an amount of energy in accordance with a primary AC current and an AC supply voltage. The electricity meter comprises a current transformer comprising the primary conductor, a secondary winding, an auxiliary winding, and a magnetic core arranged to be magnetically coupled with the three windings. The electricity meter further comprises a circuit configured to provide the auxiliary winding with a test signal modulated in accordance with at least one of a first and a second modulation state. The test signal has the same frequency as the AC supply voltage.

Abstract: A Hall sensor (HS) comprises at least four sensor terminals (EXT_A, EXT_B, EXT_C, EXT_D) for connecting the Hall sensor (HS) in at least two Hall sensing elements (11, 12, . . . , 44) connected together, element terminals (A, B, C, D) of the Hall sensing elements (11, 12, . . . , 44) are connected in between the sensor terminals (EXT_A, EXT_B, EXT_C, EXT_D). Each of the Hall sensing elements (11, 12, . . . , 44) is configured to provide an individual sensor value between two of its element terminals (A, B, C, D). The at least two Hall sensing elements (11, 12, . . . , 44) are distributed basically equally into two halves (B1, B2) and are connected such that a difference value is electrically formed between two of the sensor terminals (EXT_A, EXT_B, EXT_C, EXT_D) resulting from the respective individual sensor values.

Abstract: A disclosed electrical cell enables experimental measurements of dielectric properties of an electrochromic material in the radio-frequency range of the electromagnetic spectrum. In an example embodiment, the electrical cell includes a layer of the electrochromic material under test that is sandwiched between a conducting base plane and a microstrip line. The conducting base plane and the microstrip line are electrically connected to a co-planar waveguide configured for application of superimposed DC-bias and RF-probe signals using a conventional probe station and a vector network analyzer. The S-parameters of the electrical cell measured in this manner can then be used, e.g., to obtain the complex dielectric constant of the electrochromic material under test as a function of frequency.

Abstract: A substrate manufacturing apparatus includes a test apparatus including a test handler module for performing a test process on a substrate. The test handler module may include a conveyor unit to transfer a substrate, a handler unit for performing a test process on the substrate, and a transfer unit for transferring the substrate between the conveyor unit and the handler unit. The conveyor unit may include a feed conveyor and a discharge conveyor spaced apart from the feed conveyor.

Abstract: There is provided an apparatus for monitoring a condition of an elongated ferrous object having a longitudinal axis, said apparatus including at least one magnetizing circuit including magnetic poles separated along the longitudinal axis, and magnetic field sensors arranged at the poles, said poles including pole shoes for directing magnetic flux between the poles and the monitored object. The pole shoes include openings between the monitored object and the poles, an opening including two ends separated in a direction perpendicular to the longitudinal axis by a mid-section defining a smaller opening than the ends for concentrating the magnetic flux at the mid-section. There is further provided an arrangement including one or more elongated objects for hoisting payload, wherein the monitoring apparatus is attached to the elongated objects.

Abstract: A transparency, e.g. an aircraft laminated windshield, includes one or more moisture sensors to monitor moisture penetration to monitor performance of the moisture barrier. At least one of the moisture sensors includes a dielectric between and in electrical contact with two electrically conductive electrodes. Alternating electrical current is applied to the electrodes to measure the complex impedance (ohms) of the dielectric to determine the amount of moisture within the laminated windshield in the area of the moisture sensor. With the information provided by the moisture sensors performance of the windshield is available to schedule timely repair or replacement of the windshield that is performing outside of acceptable limits.

Abstract: A transparency, e.g. an aircraft laminated windshield, includes one or more moisture sensors to monitor moisture penetration to monitor performance of the moisture barrier. At least one of the moisture sensors includes an electrolyte between and in ionic contact with two electrically conductive electrodes. Measuring the potential between the first and second electrode and/or the current through the electrodes to determine the amount of moisture within the laminated windshield in the area of the moisture sensor. With the information provided by the moisture sensors performance of the windshield is available to schedule timely repair or replacement of the windshield that is performing outside of acceptable limits.

Abstract: A grip sensor includes: a plurality of capacitive detectors which are disposed in a grip of a steering wheel of a vehicle, and output values which vary according to whether a human body is in contact; and a controller which determines, at a preset timing, a reference value to be subtracted from the values output from the plurality of capacitive detectors, to determine whether the human body is in contact, wherein the controller identifies, from among values output from the plurality of capacitive detectors at the preset timing, one or more values each having an absolute value smaller than a first threshold, and determines, as the reference value, one of the one or more values identified or an average of the one or more values identified.

Abstract: A sampling circuit monitors a high voltage level in an electric vehicle drive. A resistor ladder receives a drive voltage to be sampled and provides sufficient isolation to allow use of low cost switching devices. An N-channel MOSFET is connected between the ladder and a reference resistance. A junction between the source terminal of the MOSFET and the reference resistance provides a sampled voltage output adapted to be input to an analog-to-digital converter. A discrete optocoupler has an output side with a collector and an emitter. The collector is coupled to the resistor ladder, and the emitter is connected to a gate terminal of the MOSFET and coupled to the ground reference by a load resistor.

Abstract: A magnetic sensor array is presented for a well apparatus for determining the position of at least one movable component with respect to a fixed component of a downhole tool. The array comprises at least one conductor member having a plurality of contact regions spaced apart at first intervals of at least a first length along a longitudinal axis of said at least one conductor member and a plurality of magnetic sensors, each one of which is operably coupled to one of said plurality of contact regions and actuatable by a magnetic field from a magnetic actuator.

Abstract: A temperature compensated current measurement device comprises a Rogowski coil having a terminating impedance arranged to adjust the attenuation of the coil to balance changes in coil sensitivity so that the output voltage indicative of measured current remains substantially unchanged, the terminating impedance having different values above and below a threshold frequency.

Abstract: An antenna checking circuit includes an antenna-connection-input terminal, a check-request-input terminal, a check-result-output terminal, a switching element having a control end connected to the check-request-input terminal, an input end connected to the antenna-connection-input terminal, and an output end connected to the check-result-output terminal, and a first resistance connected between the check-request-input terminal and the check-result-output terminal. A DC impedance of an antenna between a power supplying point and a ground point is 0?, and when a high-level check-request signal is applied to the check-request-input terminal, in a case where the antenna is connected to an antenna-connection terminal, the switching element turns on, and in a case where the antenna is not connected to the antenna-connection terminal, the switching element turns off. Check-result signals that are output to the check-result-output terminal in these cases are different from each other.

Abstract: The invention discloses a receiver section towed by an airborne electromagnetic survey system, comprising a plurality of receivers, each receiver comprising at least one receiver coil. The invention further discloses an airborne electromagnetic survey system, comprising: (a) a transmitter section for generating a primary electromagnetic field that induces a secondary electromagnetic field; and (b) a receiver section for detecting the secondary electromagnetic field, wherein the receiver section comprises a plurality of receivers, each receiver further comprising at least one receiver coil; and a tow assembly for an airborne electromagnetic surveying system, comprising a means for suspending a receiver section from an aircraft, the receiver section comprising a plurality of receivers each receiver comprising at least one receiver coil.

Abstract: Probe card transfer units and probe card management apparatuses including the same may be provided. The transfer unit includes a hand part including grippers holding a package and a moving part moving the hand part. Each of the grippers includes at least one locking pin protruding from a holding bar, which extends in a direction perpendicular to the holding bar, to securely hold the package.

Abstract: A voltage sensor housing includes a top portion including a conductive top portion composed of conductive material and non-conductive top portions composed of non-conductive material, a bottom portion composed of non-conductive material, side portions composed of non-conductive material, wherein the top portion the bottom portion and the side portions define an interior area structured to hold a voltage sensor, and conductive side portions composed of conductive material and being disposed adjacent to the side portions. The conductive top portion is electrically floating and the conductive side portions are electrically grounded.