Abstract: A current detection element includes a laminate where multiple insulator layers are laminated, a main line conductor formed in the laminate, extending in one direction, a coil-shaped current detection conductor that is formed in the laminate and that is magnetically coupled with the main line conductor, and electrostatic shielding conductors that are formed in the laminate, and that are grounded. The electrostatic shielding conductors overlap at least one of the main line conductor and the current detection conductor in plan view from a winding axis direction along a winding axis of the current detection conductor. Accordingly, a current detection element that accurately detects high-frequency AC current flowing through a line, and a transmission device and electric power transmission system having the same, are provided.

Abstract: The invention, which relates to an arrangement for current measurement at a current lead-through, addresses the problem of specifying an arrangement for current measurement by means of which a reliable, galvanically isolated measurement of motor phase currents can be carried out, wherein the space requirement of the arrangement is reduced. This problem is resolved thereby that the sensor is a measuring coil and that the measuring coil is disposed on the lead-through contact such that it is galvanically isolated from the same.

Abstract: A circuit comprises a CLVS, a LEA coupled to the CLVS, and a peak detector coupled to the CLVS and the LEA, wherein the peak detector is a switch-based peak detector. A method comprises closing a first switch for a period of time to provide a current to an actuator, opening the first switch after the period, measuring, after the opening, a voltage associated with the actuator, and determining, based on the measuring and using an ADC, whether a diode is present in the actuator and coupled with a correct polarity, is missing, or is present in the actuator and coupled with an incorrect polarity.

Abstract: A system of sensors associated with a branched conductor of an AC power line using the conductor as the communication medium between different sensors. The communication is carried out at frequencies higher than the powerline frequency. At least one sensor is provided in every branch in the vicinity of every branching point of the conductor. Synchronous measurements are carried out of the root mean square current passing through every branch of the conductor and the direction of energy flow in the branch. Results of the measurements are regularly reported throughout the system. An arrangement is provided for analyzing the results of the measurements to determine the graph topology of the branched conductor and ascertain the distribution of the root mean square current passing through every branch of the graph.

Abstract: According to one embodiment, an oscillation device includes a resonator, an electromagnetic wave application portion, a filter, and a conductive portion. The resonator includes a Josephson junction. The electromagnetic wave application portion applies a first electromagnetic wave and a second electromagnetic wave to the resonator. The first electromagnetic wave has a component of a first frequency. The second electromagnetic wave has a component of the first frequency and a component of a second frequency. The conductive portion transmits an electromagnetic wave passing through the filter. The resonator oscillates at a third frequency due to the first electromagnetic wave and oscillates at the third frequency and a fourth frequency due to the second electromagnetic wave. A transmittance of the filter for the fourth frequency is higher than a transmittance of the filter for the third frequency.

Abstract: A method for recursively estimating at least one parameter of a first oscillating component represented by one or more sampled noisy input signal waveforms, the method comprising, recursively generating from the one or more sampled noisy input signals an estimate of a Z-transform component corresponding to the first oscillating component, forming, from the estimated Z-transform component, one or more signals providing an indication of one or more of a frequency and an amplitude of the Z-transform component; and estimating, from the one or more signals, one or more of a frequency, a relative phase and an amplitude parameter of the first oscillating component.

Abstract: A C/N ratio detection circuit includes a voltage detector, an averaging section, a time variation range calculator, and a C/N ratio calculator. The voltage detector measures an input voltage of a signal. The averaging section calculates an average of the input voltage over a predetermined time. The time variation range calculator calculates a time variation range of the input voltage over the predetermined time. The C/N ratio calculator calculates a C/N ratio of the signal by using the average and time variation range of the input voltage.

Abstract: Disclosed are an ESD detection apparatus and method applied to digital integrated circuit, and an integrated circuit. The apparatus includes: a check read control module, configured to initiate a read operation for a flip-flop set module; and a check calculation module, configured to receive a data value sent by the flip-flop set module according to the read operation, perform check calculation according to the data value, and determine, according to comparison of a result of the check calculation and a history check calculation result, whether an ESD overrun is present. According to the present application, a simple circuit structure is employed to detect the ESC overrun, without occupying resources of an external main controller. As such, other operations may not be affected, the efficiency is improved, and the ESD overrun may be detected in real time.

Abstract: A sensor system having a current interface includes a supply and current interface, an electronic control unit and an enhanced initialization sensor. The supply and current interface is configured to receive a supply voltage. The electronic control unit is coupled to the supply and current interface. The enhanced initialization sensor is coupled to the supply and current interface. The enhanced initialization sensor is configured to initialize the supply and current interface at a suitable current level to mitigate erroneous information. measurement system.

Abstract: A tester apparatus includes a wireless network interface and a device-under-test interface; and a processor, in communication with the network interface and the device-under-test interface. The processor is programmed to identify parameters of an electrical test from a remote server via the wireless network interface, perform the electrical test to an assembly electrically connected to the device-under-test interface, and report results of the electrical test to the remote server via the wireless network interface. A server may be in wireless communication with the tester apparatus and a station of an assembly line via a network access point. The server is programmed to send parameters of an electrical test of an assembly to the tester apparatus; receive test results from the tester apparatus, the test results indicating a wiring connection fault; and graphically display a fault indication overlaid on an image of the assembly to indicate location of the wiring fault.

Abstract: An electrical leakage detection apparatus includes a microcomputer and a relay. The microcomputer is configured to perform an electrical leakage diagnosis to determine whether or not a direct-current leakage exists from a secondary battery that provides and receives electricity to/from an alternating-current power system that includes an electrical leakage detector that detects an alternating-current leakage of alternating-current power supplied from a utility power source. The relay disconnectably connects the secondary battery with the microcomputer.

Abstract: A sensor to monitor health of surge arresters such as metal oxide arresters is disclosed. The sensor including a housing; a sensor assembly contained in the housing, and a voltage measurement strap extending around a periphery of the housing. The voltage measurement strap being electrically connected to the electronics board and configured to measure voltage using electric field. The sensor assembly including: an electronics board to receive, transmit, process, and store signals; a Rogowski coil electrically connected to the electronics board to measure surge currents diverted by the surge arrestor; and a current transformer electrically connected to the electronics board to measure leakage current.

Abstract: An electrical fault detecting system (10) for a circuit includes a conductor (20) delivering an electrical signal from a source (12) to a destination (14), a sheath (22) encircling the conductor, and a fault detection circuit (18). The sheath further includes an electrical insulator layer (24) and a conductive shield (26) encircling the conductor. The fault detection circuit is configured to detect a change in the electrical characteristics of the conductor and/or conductor sheath.

Abstract: The present disclosure relates to power semiconductor modules. The teachings thereof may be embodied in modules with a power semiconductor component and methods, as well as a circuit arrangement. For example, a method may include: developing a thermal model of the power semiconductor module at a reference time point; establishing a reference temperature based on the thermal model; measuring a temperature-sensitive electrical parameter of the power semiconductor module during operation of the power semiconductor module; determining a current temperature from the measured temperature-sensitive electrical parameter of the power semiconductor module; calculating a temperature difference between the current temperature and the reference temperature; and determining a deterioration of the power semiconductor module based on the calculated temperature difference.

Abstract: The aging of an electronic component in an electronic power converter can be monitored based on two or more case temperature measurements. A power electronic device is enclosed in a package having a baseplate, in which the power electronic device generates heat during operation and the baseplate transfers heat to a heat dissipating device or a cooling device. Sensors measure temperatures at first and second locations on a surface of the baseplate. A data processor calculates a value for a first parameter based on the temperatures at the first and second locations, in which the first parameter is indicative of an aging process of the power electronic device, and generates a first signal based on a comparison of the calculated value and a first predetermined threshold.

Abstract: The Configurable Vertical Integration [CVI] invention pertains to methods and apparatus for the enhancement of yields of 3D or stacked integrated circuits and herein referred to as a CVI Integrated Circuit [CVI IC]. The CVI methods require no testing of circuit layer components prior to their fabrication as part of a 3D integrated circuit. The CVI invention uses active circuitry to configure the CVI IC as a means to isolate or prevent the use of defective circuitry. CVI circuit configuration method can be predominately described as a large grain method.

Abstract: In one aspect, an integrated circuit (IC) includes an output port enabling measurement of a performance characteristic of the IC at a first temperature. The performance characteristic of the IC is a minimum value at the first temperature with respect to any other temperature. The first temperature may be room temperature.

Abstract: Methods and apparatus for processing a signal comprise at least one circuit configured to generate a measured signal during a measured time period and a reference signal during a reference time period. Also included is at least one dual- or multi-path analog-to-digital converter comprising at least a first processing circuit configured to process the measured signal, at least a second processing circuit configured to process the reference signal, and a third processing circuit configured to process both the measured signal and the reference signal.

Abstract: The present invention provides a method and a fault isolation system for detecting errors in an integrated circuit. One feature of the present invention is using a movable second probe to scan and acquire an output signal through the vias or metal line structure of a diagnostic area along a detecting line, so as to find the fault location precisely, and another feature of the present invention is using a cutter in conjunction with the above method to narrow down the fault range. The cutter is used to electrically isolate the portion of diagnostic area step by step for approaching the fault location. This method can help to save a lot of analysis time and also makes the minor fault localization possible.

Abstract: Apparatus and methods for testing electronic devices. In some embodiments, a fixture for testing an electronic device can include a support frame including a base and a pair of side supports implemented on respective sides of the base, with at least one of the side supports including a plurality of features for mounting of a test hardware, and the base being configured to support a first test board. The fixture can further include an upper support positioned above the support frame and configured to support a second test board. The fixture can further include a suspension mechanism implemented to couple the upper support to the side supports such that the upper support is movable relative to the support frame to accommodate a misalignment between the upper support and the base.

Abstract: A chip package assembly testing system and method for testing a chip package assembly are provided herein. In one example, the testing system includes a robot disposed in an enclosure and having a range of motion operable to transfer a chip package assembly between any of a first queuing station, a second queuing station and a plurality of test stations. The system also includes an automatic identification and data capture (AIDC) device operable to read an identification tag affixed to a carrier disposed in the first and second queuing stations, and a controller configured to control placement of chip package assemblies by the robot in response information obtained from a carrier disposed in at least one of the first and second queuing stations, the predefined test routine of the test processor of the first test station, and the predefined test routine of the test processor of the second test station.

Abstract: A method for operating a test apparatus including a plurality of shared resources is shown, wherein the plurality of shared resources can be used in different instruments. The method includes blocking a first set of resource blockers when a first instrument, which requires a first subset of the shared resources, is to be executed. Furthermore, the method tries to block a second set of resource blockers, when a second instrument, which requires a second subset of the shared resources, is to be executed. Therefore, the first set of resource blockers is different from the second set of resource blockers and a plurality of resource blockers are assigned to a shared resource, which is involved in a conflicting combination of instruments and in a non-conflicting combination of instruments.

Abstract: A method, apparatus, and computer program product for measuring a slew rate of a digital high speed repeating signal on-chip comprising, transforming the rising and the falling edges of the signal into a digital pulse signal each; and selecting the digital pulse signals corresponding either to the rising edge or to the falling edge of the signal. Further the method comprises converting the selected digital pulse signals into an average DC voltage equivalent to the pulse width of the respective digital pulse signal; as well as converting each DC voltage into a binary value.

Abstract: A method for applying test patterns to scan chains in a circuit-under-test. The method includes providing a compressed test pattern of bits; decompressing the compressed test pattern into a decompressed test pattern of bits as the compressed test pattern is being provided; and applying the decompressed test pattern to scan chains of the circuit-under-test. The actions of providing the compressed test pattern, decompressing the compressed test pattern, and applying the decompressed pattern are performed synchronously at the same or different clock rates, depending on the way in which the decompressed bits are to be generated. A circuit that performs the decompression includes a decompressor such as a linear finite state machine adapted to receive a compressed test pattern of bits. The decompressor decompresses the test pattern into a decompressed test pattern of bits as the compressed test pattern is being received.

Abstract: A pump monitoring system is provided, the pump including a rotor, and stator, the system including a magnetic field sensor to measure a magnetic field generated by a magnet positioned on a rod above the rotor; and a computer system configured to use the magnetic field to determine the rotor position. The magnetic field generated by the magnet can be used to determine characteristics of the pump including slipping and sticking, twist and twist differential, togging and wobble.

Abstract: Method for detecting short-circuits in a coil in an electric machine, includes: a) arranging a coil in an air gap between the rotor and stator; c) recording signal curves generated by the coil; d) determining zero crossings of the curve and storing the times thereof; e) determining zero crossings of the curve corrected by an offset c, identifying a pair of immediately consecutive zero crossings, the time separation of which is longer than the minimum duration; f) in no pair is identified, repeating step e) until identified, wherein the offset c is varied from the zero point to a global extreme value of the curve; g) identifying at least one of the two stored times, which lies between and closest in time to the pair and; h) extracting two half-waves from the curve using times identified in step g), wherein each half-wave corresponds to half a revolution of the rotor.

Abstract: A voltage detecting device according to an aspect of embodiments includes a detecting unit and a mode switching unit. The detecting unit detects voltages of battery cells of a battery stack in which the battery cells are connected to each other. The mode switching unit switches between an active mode in which the detecting unit detects the voltages and a standby mode in which a current flowing into the detecting unit is less than a predetermined value. Moreover, the detecting unit includes a voltage detecting unit that detects the voltages of the battery cells and/or a voltage of a power supply of the detecting unit in a predetermined interval. The mode switching unit switches between the active mode and the standby mode in accordance with a timing at which the voltage detecting unit detects the voltage (s).

Abstract: A method and an apparatus for determining at least one state variable of a storage element for electrical energy having at least one control device, at least one storage element for electrical energy, and at least one temperature sensor, wherein the temperature sensor detects the temperature of the storage element continuously or periodically, wherein the control device determines the state variable of the storage element at least based on the detected temperature, wherein the control device fills measurement gaps of the temperature sensor using data of a weather service, the data then is used in the determination of the at least one state variable.

Abstract: A battery monitoring system monitors a storage battery.

Abstract: Provided is a battery state estimation device configured to: calculate a first state of charge and a first open circuit voltage corresponding to the first state of charge by using a detection current output from a current detection unit and state-of-charge estimation parameters; calculate a second open circuit voltage and a second state of charge corresponding to the second open circuit voltage by using a detection voltage output from a voltage detection unit and equivalent circuit parameters; recursively estimate and update the state-of-charge estimation parameters by using a state-of-charge error, which is a value obtained by subtracting the first state of charge from the second state of charge; and recursively estimate and update the equivalent circuit parameters by using an open circuit voltage error, which is a value obtained by subtracting the first open circuit voltage from the second open circuit voltage.

Abstract: A method and apparatus for outputting a supplementary content in a WFD is disclosed.

Abstract: According to the invention, in an energy accumulator emulation the accuracy of energy accumulator emulation is increased in that a load current demand on the energy accumulator (20) is converted to a cell tester load current (IZ) of a real reference cell (6) based on the configuration of the energy accumulator (20) and the cell tester load current (IZ) is applied to the reference cell (6), and thereby the cell voltage (UZ) of the reference cell (6) is measured and the cell voltage (UZ) of the reference cell (6) is converted to a first energy accumulator voltage (UB) based on the configuration of the energy accumulator (20), a second energy accumulator voltage (UB_Mod) is calculated from the energy accumulator model (10) and the load current demand and the first energy accumulator voltage (UB) is compared to the second energy accumulator voltage (UB_Mod) and the energy accumulator model (10) is adjusted if the first energy accumulator voltage (UB) deviates by a specified tolerance range (TB) from the second en

Abstract: An object is to achieve management control of an assembled battery using an accurate measured value of a cell voltage. A battery system monitoring apparatus 10 that monitors and controls a battery system includes battery monitoring circuits 100 provided for respective cell groups 120. Each of the battery monitoring circuits 100 includes a cell voltage measurement module 6 that is connected with two electrodes of respective single battery cells 110 of a corresponding cell group 120 via voltage detection lines 2 and that measures a cell voltage of each of the single battery cells 110 at each of predetermined timings. An RC filter 4 is connected with the voltage detection lines 2. The RC filter 4 includes resistors and capacitors. The cell voltage measurement module 6 extends intervals at which the cell voltage is to be measured when a stored charge amount in the capacitor in the RC filter 4 changes.

Abstract: One or more embodiments are directed to charge pump overload detection circuits which may be employed in imaging devices including one or more SPAD arrays, such as proximity sensors and time of flight sensors. One embodiment is directed to a charge pump overload detection circuit that includes a charge pump, a charge pump supply regulation device, a charge pump voltage regulation feedback loop and a charge pump overload detection comparator. The charge pump supplies an output voltage to a load, and the charge pump supply regulation device supplies a regulated voltage to an input of the charge pump. The charge pump voltage regulation feedback loop includes a feedback voltage generator that generates a feedback voltage based on the charge pump output voltage, and an amplifier that generates and provides a charge pump regulation control signal to the charge pump supply regulation device based on a difference between the feedback voltage and a reference voltage.

Abstract: A dummy battery device for testing an electronic device having a battery cavity, which includes a connector, comprises: a main structure shaped and dimensioned so as to fit in the battery cavity of the electronic device; and a head structure configured to be detachably and moveably connected to the main structure, the head structure having contacts for electrically connecting the connector of the battery cavity once the main structure is received in the battery cavity of the of the electronic device, and cables extending therefrom, the cables being electrically connected to the contacts of the head structure.

Abstract: This sensor unit includes a base having a substantially-rectangular planar shape including a first side and a second side that are substantially orthogonal to each other, and a plurality of first sensors provided on the base and arranged on a first axis. The first axis is substantially parallel to the first side and passes through a center position of the base.

Abstract: A high dynamic range magnetometer architecture and method are disclosed. In an embodiment, a magnetometer sensor comprises: a variable magnetic gain stage including a plurality of selectable signal gain paths, each signal gain path including a magnetic sensor and a magnetic flux concentrator, and for each signal gain path the magnetic flux concentrator being positioned a different distance from the magnetic flux concentrator to provide a different magnetic gain for the signal gain path; a variable magnetic sensing stage coupled to the variable magnetic gain stage, the variable magnetic sensing stage operable to provide variable magnetic sensing to each signal gain path; and a gain control stage coupled to the variable magnetic sensing stage, the gain control stage operable to select one of the signal gain paths and to provide signal conditioning to the selected signal gain path.

Abstract: A vertical Hall sensor circuit comprises an arrangement comprising a vertical Hall effect region of a first doping type, formed within a semiconductor substrate and having a stress dependency with respect to a Hall effect-related electrical characteristic. The vertical Hall sensor circuit further comprises a stress compensation circuit which comprises at least one of a lateral resistor arrangement and a vertical resistor arrangement. The lateral resistor arrangement has a first resistive element and a second resistive element, which are parallel to a surface of the semiconductor substrate and orthogonal to each other, for generating a stress-dependent lateral resistor arrangement signal on the basis of a reference signal inputted to the stress compensation circuit.

Abstract: The systems and methods described can reduce high order temperature coefficients on the Hall plate sensitivity. A temperature coefficient circuit may include a first amplifier to receive a first reference voltage generated in conjunction with a proportional to absolute temperature (PTAT) device and a second amplifier to receive a second reference voltage generated in conjunction with a complementary to absolute temperature (CTAT) device, the second amplifier having a second output node. A plurality of resistors may be disposed in a signal path between output node of the first amplifier and an output node of the second amplifier. The plurality of resistors may be coupled to at least one voltage-to-current converter through one or more resistors taps. The voltage-to-current converter may generate at least one current signal that can be operable to apply a multiplication factor or a division divisor to an amplifier coupled to the voltage-to-current converter.

Abstract: In one aspect, an integrated circuit (IC) includes a sensor that includes a first magnetoresistive (MR) element and a second MR element less active to a presence of a magnetic field than the first MR element. The second MR element includes a metal layer diffused into other layers of the second MR element.

Abstract: A Magnetic Particle Imaging (MPI) system with a magnet configured to generate a magnetic field with a field free line, the magnet integrated with a flux return designed so that a flux path at approximately the center of the field-free line has a first reluctance and a second flux path distal from the center of the field-free line has a second reluctance, and the second reluctance is lower than the first reluctance to facilitate a high fidelity magnetic field and high fidelity field free line.

Abstract: A Magnetic Particle Imaging (MPI) system with a magnet configured to generate a magnetic field having a field free line, the system including at least one shim magnet configured to modify the magnetic field in a manner to maintain desired magnetic flux distributions during imaging.

Abstract: A Magnetic Particle Imaging (MPI) system including a mechanically-rotatable magnet generating a field-free line, where the system is capable of acquiring a plurality of projections at a plurality of rotation angles, and where the projection acquisition includes positioning the field free line at a plurality of positions at the plurality of angles.

Abstract: A radio frequency coil (34), for use in a medical modality including at least a magnetic resonance examination system (10), comprises: a right hollow cylinder-shaped patient bore lining (36), an inner carrier member (40) that is fixedly attached to an outwardly directed surface of the patient bore lining (36), a radio frequency antenna (42), fixedly attached to an antenna carrier member (44) made from a composite material, which in turn is fixedly attached to an outwardly directed surface of the inner carrier member (40), at least one outer carrier spacer member (48), arranged on at least one out of the at least one radio frequency antenna (42) or an outwardly directed surface of the antenna carrier member (44), and providing a free end-to-end space (50) in a direction parallel to the center axis (38) of the patient bore lining (36), a right hollow cylinder-shaped outer carrier member (52) with a center axis (54), which in an operational state is arranged in parallel to the center axis (38) of the patient bor

Abstract: A local coil matrix for a magnetic resonance tomograph and a magnetic resonance tomograph with a local coil matrix are provided. The local coil matrix has a first coil with two detachable coil segments. The two coil segments have electrical connecting elements. The electrical connecting elements are configured to produce an electrical connection between the coil segments in different relative positions of the two coil segments to each other.

Abstract: A magnetic resonance imaging (MRI) system is provided. The system includes a main field magnet generating a main magnetic field B0. Moreover, the system further includes an integrated magnet device. The integrated magnet device has field-shift shield coils and gradient coils. The MRI system further includes a removable insert comprising field-shift shield coils. At least one substrate layer is included in the integrated magnet device to provide mechanical support for the field-shift coils and the gradient coils. Moreover, a cooling mechanism is provided to cool at least some of the magnets.

Abstract: In accordance with disclosed embodiments, very high magnetic gradients and magnetic slew are applied to magnetizable particle imaging in order to realize high spatial resolution.

Abstract: In a method and apparatus for magnetic resonance (MR) fingerprinting, an MR signal is acquired from a subject by radiating radio-frequency (RF) energy that produces an RF transmission field that has a localized amplitude in the subject. The RF energy is radiated with an RF pulse configuration that maps the localized RF field amplitude in the phase of the MR signal from the subject. The detected MR signal is compared to a source of stored MR signal physical or theoretical models that respectively map different localized RF transmission field information in the respective phase thereof, the stored models being respectively for different substances. A substance in the subject from which the detected MR signal curve originated is identified by comparing the detected MR signal curve to the stored models to identify a best match.

Abstract: Methods of obtaining quantitative MRI images of a subject that includes fitting a theoretical model that accounts for tissue-specific relaxation properties and magnetization transfer effects to MRI measured data is disclosed.

Abstract: The present invention describes a method for magnetic resonance (MR) and/or MR imaging, comprising acquisition of signals and MR images originating from a RE and gradient sequence causing isotropic diffusion weighting of signal attenuation, wherein the isotropic diffusion weighting is achieved by one time-dependent dephasing vector q(t) having an orientation, wherein the isotropic diffusion weighting is proportional to the trace of a diffusion tensor D, and wherein the orientation of the time-dependent dephasing vector q(t) is either varied discretely in more than three directions in total, or changed continuously, or changed in a combination of discretely and continuously during the gradient pulse sequence, 0?t?echo time, where t represents the time. The method may be performed during a single shot (single MR excitation).