Abstract: A belt battery charger includes a belt having a first end, a second end and an elongated central portion extending between the first and second ends. A plurality of electrically connected rechargeable batteries are carried by the central portion of the belt. A belt buckle located at the first end of the belt includes a frame that is secured to the central portion of the belt. The buckle further includes a prong in the form of an electrical connector electrically connected to the batteries and pivotally secured to the frame. The second end of the belt includes a number of spaced apart eyelets passing therethrough. The prong is shaped so as to be able to enter one of the eyelets to secure the second end of the belt to the buckle in the conventional manner. A second electrical connector is located adjacent the second end of the belt and is also connected to the batteries. One of said connectors is adapted to be connected to a cell phone for charging the same.

Abstract: A protective case for an electronic device is provided. The protective case includes an interface for connecting to a rechargeable battery, a group of display elements, a device interface for electrically interfacing with the electronic device, and an external interface. The protective case also includes electrical circuitry configured to receive electrical power from an external power source through the external interface, exchange communications with the electronic device through the device interface, determine a charge rate for the rechargeable battery of the electronic device based on information received in the communications, and supply a portion of the received electrical power to the electronic device through the device interface if a condition is satisfied.

Abstract: A method and a device for equilibrating an accumulator battery including a battery including accumulators connected together in series and in which a charging current charges the accumulators, the accumulators exhibiting a maximum charge state. The accumulators are charged during a charging to increase the charge of the accumulators up to their maximum charge state. The charging includes in order: a) feeding the accumulators in series with the charge current at a charging value until one of the accumulators of the battery reaches the maximum charge state; b) meanwhile the one of the accumulators is coupled to terminals of a corresponding resistor, while the charge current is simultaneously reduced; and, then c) returning to a).

Abstract: A system and method for powering and monitoring use of battery powered automated dispensers is provided. In one embodiment, a pseudo battery assembly comprised of a pseudo battery and a plurality of battery spacers powers and monitors use of an automated hand hygiene dispenser. More specifically, the pseudo battery receives an external power supply from a control unit that is part of a hand hygiene compliance (HHC) system, wherein the pseudo battery is operable to distribute the power to the dispenser and detect use thereof with a sensor. Further, a feedback device associated with the control unit is operable to display an alarm or notification once the dispenser has been used a predetermined amount of times. In other embodiments, the pseudo battery assembly powers and monitors use of battery powered automated dispensers, such as an automated towel dispenser or an automated gloves dispenser.

Abstract: The present invention relates to a rechargeable accumulator comprising one or more metal-air cells, each cell comprising a first terminal (1) and a second terminal (2), a metallic negative electrode (3) for metal-air cell, connected to the first terminal (1), a first positive electrode (4) for releasing oxygen, a second positive electrode (5) which is a porous air electrode containing at least one oxygen reducing catalyst, an electrolyte, control means (6) suitable for continuously comparing the voltage measured between the terminal (2) and the terminal (1) with a setpoint value and for dispatching a switching signal to the switching means (7) when the measured voltage becomes smaller than the setpoint value, switching means (7) suitable for receiving a switching signal originating from the control means (6) and for connecting and disconnecting the air electrode (5) of the second terminal (2). The present invention also relates to a method using such an accumulator.

Abstract: The present invention relates to an electric energy storage device such as a capacitor, a secondary battery, or the like, and more particularly, to an electric energy storage device capable of improving high output characteristics by using a voltage terminal The electric energy storage device according to an exemplary embodiment of the present invention includes a positive electrode and a negative electrode storing electric energy and a positive current terminal and a negative current terminal connected to the positive electrode and the negative electrode to apply current; and a positive voltage terminal and a negative voltage terminal connected to the positive electrode and the negative electrode to detect voltage across the positive electrode and the negative electrode, wherein the charging or discharging operation is controlled by using the detected voltage across the positive electrode and the negative electrode as control voltage.

Abstract: A computer cart has removable electrical connector management system which may be removed from the computer cart to install portable electronic device electrical transformers, and then reinserted into the computer cart to enable multiple electrical transformers to be installed into the cart as a group. An electrical charging system uses a staggered round robin approach to control distribution of power within the computer cart without requiring the amount of power used from each power strip to be individually monitored.

Abstract: A system (1-2) for efficiently transferring harvested vibration energy to a battery (6) includes a piezo harvester (2) generating an AC output voltage (VP(t)) and current (IPZ(t)) and an active rectifier (3) to produce a harvested DC voltage (Vhrv) and current (Ihrv) which charge a capacitance (C0). An enable circuit (17) causes a DC-DC converter (4) to be enabled, thereby discharging the capacitance into the converter, when a comparator (A0,A1) of the rectifier which controls switches (S1-S4) thereof detects a direction reversal of the AC output current (IPZ(t)). Another comparator (13) causes the enable circuit (17) to disable the converter (4) when the DC voltage exceeds a threshold (VREF), thereby causing the capacitance be recharged.

Abstract: CCCV charging is applied to a lithium ion secondary battery. During CC charging, a transition point Ta appears in temperature rise gradient when battery temperature rises along with the charging, and with the transition point Ta being a border, a temperature rise gradient in an initial T1 period is steeper than a temperature rise gradient in a T2 period following the T1 period. Based on charging time tT corresponding to timing at which the transition point Ta appears after start of the CC charging from a condition of the SOC of 0%, changeover time ts is set in a range of tT?ts?(tT×1.2). The CC charging is performed at a first current value until changeover time tS elapses after its start, and after the changeover time ts elapses, the CC charging is performed with a second current value larger than the first current value.

Abstract: A bootstrap circuit includes: a charging voltage source; a charging diode, having an anode coupled to the charging voltage source; a high-voltage transistor, having a control terminal defined as a first connecting node and a channel coupled between a cathode of the charging diode and a bootstrap capacitor; a logic control circuit, having a first and a second logic outputs, and a logic input for receiving a charging command; a high-voltage control transistor, having a control terminal defined as a second connecting node and a channel coupled between charging voltage source and the first connecting node; a cut-off resistor, coupled between the first and the second connecting nodes; a charging control transistor, having a channel coupled between the second connecting node and a ground terminal, and a control terminal coupled to the second logic output; a control capacitor, coupled between the first connecting node and the first logic output.

Abstract: A fuel cell system for providing power to a load, and having a safety mode, is disclosed. The system includes a fuel cell configured to convert fuel to electrical power and coupled so as to provide electrical power at a fuel cell power output, a system power port having a power connection and a data connection, configured to be reversibly coupled to the load, a power connection controller, coupled to the fuel cell power output and to the system power port, and configured to enable and disable the power connection, and a fuel cell system controller coupled to the fuel cell, the data connection and the power connection controller. The fuel cell system controller has a normal mode and a safety mode. A user selection determines whether the fuel cell system controller is in the normal mode or the safety mode. If the load has a smart power port, the data connection is configured to communicate over the smart power port.

Abstract: Provided are a circuit control system and method for dynamically adjusting voltage and frequency. The circuit control system herein includes: a lookup table module configured to store a combined table of voltage-frequency corresponding relation curves of a target circuit under one or more working conditions; a converting module configured to make conversion between a working voltage and a working frequency of the target circuit according to the lookup table module; and a combined adjusting module configured to combinedly adjust the working frequency and the working voltage of the target circuit. With a high degree of automation, the circuit control system herein is safe and reliable for adjusting the working voltage and the working frequency of the target circuit, thereby achieving the effects of adjustment and optimization.

Abstract: Disclosed are methods, devices, and systems to digitally control a duty cycle of a switching mode power supply. In one embodiment, a method comprises calculating a base duty cycle using a power management unit of a high-speed processing unit, calculating a dynamic offset duty cycle using the power management unit to apply a transfer function to a sampled feedback voltage signal, and adding the base duty cycle to the dynamic offset duty cycle to obtain a duty cycle of the switching mode power supply. A system comprises a switching mode power supply, a power management unit, a voltage sensor, and an analog to digital converter all embedded within a high-speed processing unit, and a pulse-width modulator coupled between the switching mode power supply and the high-speed processing unit to modulate the duty cycle of the switching mode power supply.

Abstract: A first power transistor of a DC-DC converter is connected between a voltage supply node and a common node, a second power transistor is connected between a reference node and the common node, and an inductor is connected between the common node and the output node of the DC-DC converter. A controller switches the first transistor off and the second transistor off during a step-down event at the load if current in the inductor exceeds a positive threshold value.

Abstract: A power-supply apparatus according to an aspect includes an inductor, a transistor that supplies, in an on-state, a current to the input side of the inductor, a second transistor that becomes, when the first transistor is in an off-state, an on-state and thereby brings the input side of the inductor to a predetermined potential, a signal generation unit that generates voltage signals corresponding to a current flowing to the inductor, an amplifier that outputs a current according to the voltage signals, a converter that converts the current output from the amplifier into a voltage signal, and a control unit that controls the transistors based on a first feedback signal corresponding to the voltage on the output side of the inductor and the voltage signal, which is used as a second feedback signal.

Abstract: An embodiment of a power supply includes an output node, inductively coupled phase paths, and a sensor circuit. The output node is configured to provide a regulated output signal, and the inductively coupled phase paths are each configured to provide a respective phase current to the output node. And the sensor circuit is configured to generate a sense signal that represents the phase current flowing through one of the phase paths. For example, because the phase paths are inductively coupled to one another, the sensor circuit takes into account the portions of the phase currents induced by the inductive couplings to generate a sense signal that more accurately represents the phase current through a single phase path as compared to conventional sensor circuits.

Abstract: Exemplary embodiments disclose a low drop-out regulator including an error amplification unit which includes a zero compensation circuit configured to compensate a plurality of poles which are generated by an output terminal and a buffer, the error amplification unit is configured to generate a first comparison signal in response to a reference voltage and a feedback voltage, the buffer is configured to generate a second comparison signal in response to the first comparison signal and an input voltage, a pass unit configured to provide an output voltage and a load current to the output terminal in response to the second comparison signal and the input voltage, and a feedback unit configured to provide the feedback voltage to the error amplification unit in response to the output voltage. A driving current of the buffer is independently adjusted with respect to the load current.

Abstract: A Voltage Converting LED Circuit with Switched Capacitor Network contains a 2-way MOSFET switch that connects a capacitor network to the output of an error amplifier, thereby enabling the error amplifier to resume operation quickly after the off-time segment of a PWM cycle. The switch is controlled synchronously with current sinks controlling brightness and color levels. In a preferred embodiment, multiple serially connected strings of LED's can be controlled simultaneously via one switch.

Abstract: A power supply system includes a regulator circuit responsive to an input signal at the input node for producing an output signal at the output node at a desired level. The regulator circuit has a controller, an inductive element and a first switch coupled to the inductor element and controlled by the controller to produce the output signal. Also, the power supply system includes a Coulomb counter for producing a Coulomb count signal proportional to the number of Coulombs passing from the input node to the output node. The Coulomb counter is enabled by an enabling signal representing a predetermined time period, for determining the number of Coulombs passing from the input node to the output node during that predetermined time period.

Abstract: The present invention discloses a method for controlling a voltage regulator, including steps of: converting an input voltage to an output voltage and providing an output current; sensing the output current; reducing the output voltage; and when the reduction of the output voltage causes the output current to change, setting the output voltage back to a value which does not change the output current.

Abstract: Control circuitry for providing a control signal in a pulse width modulating regulating power converter wherein an output parameter delivered by the converter is regulated by pulse width modulation of current within the converter, including circuitry for receiving a sensed output parameter of the converter; circuitry for deriving therefrom an analog average current demand signal corresponding to a current that would bring the converter into regulation; circuitry for receiving a sensed present value of the current within the converter to provide an analog signal representative thereof; circuitry for differencing the average current demand signal and the analog signal to provide an error signal; a compensator arranged to average the error signal to provide a second error signal; a sawtooth generator providing an analog signal as a pulse width modulation ramp; and a comparator to which the ramp is applied to generate the control signal at the output thereof.

Abstract: Provided are a switching regulator and a comparator-based zero current detection method. The switching regulator comprises: a switch configured to connect to a switching node and control an inductor current flowing through the switching node; and a switch controller configured to control a turn-off time of the switch by detecting a change in a voltage of the switching node after the switch is turned off, wherein the switch controller comprises: a comparator configured to compare a first voltage applied to a first input terminal connected to the switching node with a second voltage applied to a second input terminal connected to a first terminal of the switch; and a control logic configured to receive a comparison signal of the comparator and control an offset of the comparator to adjust the turn-off time of the switch.

Abstract: A power converter includes a plurality of switches that interconnect first and second input terminals of the power converter with first and second output terminals of the power converter. The switches are switched to convert power from the input terminals to the output terminals. During the switching, voltage spikes are mitigated by a first RLC branch connected from the first input terminal to the first output terminal and by a second RLC branch connected from the second input terminal to the second output terminal.

Abstract: The present disclosure is directed to methods and apparatus for locating luminaires within a lighting system where multiple luminaires are located on a grid of DC power rails. The AC signal generator connects to each DC power rail and transmits an AC signal along each DC power rail in turn to luminaires that each compute their distance from the generator based upon the AC signal. The AC signal generator may similarly transmit and receive data communications with luminaires across DC power rails.

Abstract: The embodiments of the present disclosure disclose a dynamic power consumption real-time display device, which includes: a first power consumption determining module, according to a current PWM value of a backlight of an LCD panel as well as a corresponding relationship between PWM values of the backlight and the power consumption of the liquid crystal equipment in a mute state, for determining the power consumption of the liquid crystal equipment in the mute state corresponding to the current PWM value of the backlight, and a dynamic power consumption display module for displaying the power consumption of the liquid crystal equipment in the mute state corresponding to the current PWM value of the backlight in real time. The technical solution provided by the embodiments of the present disclosure can enhance the convenience for determining dynamic power consumption of the liquid crystal equipment and reduce the system cost.

Abstract: A signal test device includes a probe column, a probe pin, and a cable. The probe pin includes a first end contacted with an electronic device and a second end located inside the probe column. A first conductive piece set in the probe column is connected to a signal line of the cable. A second conductive piece is set apart from and below the first conductive piece in the probe column, and is connected to the second end of the probe pin. When the first end of the probe pin is pressed to the electronic device, the probe pin moves into the probe column and the second conductive piece contacts the first conductive piece. When the second conductive piece contacts with the first conductive piece, a snapshot of a waveform of the electronic device is captured and shown on the oscilloscope.

Abstract: A measuring system is provided that includes a magnetic field sensor array, an evaluation circuit for evaluating measurement signals of the magnetic field sensor array, and a rotatable encoder that has a mass element to change a magnetic field vector in the magnetic field sensor array. The encoder has a spring element in which the mass element is attached to the spring element. The encoder has a linear guide, and the mass element is guided in a radial direction in the linear guide such that during a rotation of the encoder the mass element can be moved by centrifugal force and the centrifugal force works against the spring force of the spring element. The magnetic field sensor array is arranged toward the encoder to measure a change, caused by the movement of the mass element, in the magnetic field vector.

Abstract: A sensor for locating metal objects has coils or coil parts which form at least one transmitting coil (5.1) and at least one receiving coil (7.1) which are inductively coupled to one another and are arranged such that said coils partially overlap for the purpose of interaction decoupling, wherein optimum cancellation of the interaction can be achieved. Sensor electronics are provided for energizing the transmitting coil and for evaluating a reception signal (10.6) from the receiving coil. As a result of the fact that the transmitting coil (5.1) and the receiving coil (7.1) substantially have an identical coil shape and are arranged such that said coils are rotated and/or offset with respect to one another, wherein a plurality of symmetrically arranged, overlapping regions (8.4) are formed, a sensor which provides a greater range and extended possibilities for installation in conventional industrial sensor housings is provided.

Abstract: A magnetic testing method and apparatus can accurately detect a flaw by magnetizing a test object to such a degree that the object becomes magnetically saturated while solving the problems of a large magnetizing device is required when only a DC magnetic field is applied and that the test object generates heat when only an AC magnetic field is applied. A magnetic testing apparatus comprises a first magnetizing device for applying a DC bias magnetic field to a test object P in substantially parallel to the direction in which a flaw F to be detected extends, a second magnetizing device for applying an AC magnetic field to the test object P substantially perpendicularly to the direction in which the flaw F to be detected extends, and a detecting device for detecting leakage flux produced by the magnetization of the test object P accomplished by the first and second magnetizing devices.

Abstract: Methods and systems are described for spectral decomposition of composite solid-state spin environments through quantum control of electronic spin impurities. ? sequence of spin-control modulation pulses are applied to the electronic spin impurities in the solid-state spin systems. The spectral content of the spin bath that surrounds the electronic spin impurities within the solid-state spin system is extracted, by measuring the coherent evolution and associated decoherence of the spin impurities as a function of number of the applied modulation pulses, and the time-spacing between the pulses. Using these methods, fundamental properties of the spin environment such as the correlation times and the coupling strengths for both electronic and nuclear spins in the spin bath, can be determined.

Abstract: An MRI method includes: defining image regions on an object; setting imaging conditions for the defined image regions; and acquiring MR images for the image regions according to the set imaging conditions. The imaging conditions may be set by displaying information about the defined image regions and setting the imaging conditions for the image regions based on the displayed information.

Abstract: In a method and magnetic resonance apparatus for determining at least one datum providing a measure for the effect of at least one medical device that is to be connected to, or is connected to, an examination subject in the scope of a magnetic resonance examination that is to be executed, or has been executed, on the image data that are to be obtained, or have been obtained, in the scope of a magnetic resonance examination that is to be executed, or has been executed, and/or on the examination subject that is to be examined, or has been examined, in the scope of the magnetic resonance examination that is to be executed, or has been executed, the at least one datum is determined by at least one magnetic resonance thermometric measurement.

Abstract: In a method and magnetic resonance apparatus for automating the analysis of MR raw data representing a spectrum, at least one post-processing procedure is applied to the raw data, so as to obtain a processed spectrum. The number of numerical values depicted by the processed spectrum is lowered to a feature vector. The feature vector is allocated to one of numerous groups of known feature vectors.

Abstract: A technique in a medical imaging apparatus being capable of setting any plane in three-dimensional space as an imaging slice is provided, allowing an automatically-set imaging slice to be configured to suit user's preferences, and determine a position of the imaging slice being configured, with respect to an imaging target subject automatically with a high degree of accuracy. Reference information for specifying the imaging slice, set by the user for each imaging site, is associated with the anatomical feature of the imaging site, so as to generate an imaging slice parameter. Upon actual imaging, the imaging slice parameter and the anatomical feature of the imaging target subject obtained by scout imaging are used to determine the imaging slice position of the imaging target subject.

Abstract: The present disclosure provides a method for producing a rigid, shaped, non-planar radiofrequency coil including: a) placing a number of coil elements selected from one and a desired plurality of coil elements on to a flexible substrate to make a coil; b) laying the coil flat and covering it with foam; c) and subsequently applying the foam covered coil to a first mechanical former capable of holding the coil rigid in a desired configuration.

Abstract: A transmit antenna selector includes a control circuit, a body coil signal output interface, a local coil signal output interface, a radio-frequency signal input interface, and a dummy load. The control circuit includes a plurality of diodes. The control circuit electrically connects, according to a control signal and via the plurality of diodes, the radio-frequency signal input interface with the body coil signal output interface, with the local coil signal output interface, or with the dummy load.

Abstract: Multi-frequency buried object location system transmitters and locators are disclosed. A transmitter may generate and provide output signals to a buried object at a plurality of frequencies, which may be selected based on a connection type. Corresponding locators may simultaneously receive a plurality of magnetic field signals emitted from the buried object and generate visual and/or audible output information based at least in part on the plurality of received magnetic field signals. The visual and/or audible output may be further based on signals received from a quad-gradient antenna array.

Abstract: The far zone “airwave” that arises when surveying subsea formations is greatly diminished by deployment of the transmitter combining mutually orthogonal horizontal electric and magnetic dipoles with the electric and magnetic dipole moments being locked in a special relationship. At each of the operating frequencies, the amplitude and phase characteristics of the transmitter electric and magnetic dipole moments are determined either from a supplementary measurement earned out using natural and/or controlled field sources, or by minimization of the vertical magnetic field at a remote receiver. Similar results can be obtained when data acquired in two independent surveys—one with the horizontal electric dipole transmitter pointing in one direction and another with a horizontal magnetic dipole transmitter pointing in the orthogonal direction and towed over the same or close positions—are linearly combined to minimize the vertical component of the combined magnetic field at remote receivers.

Abstract: A disclosed subsurface electromagnetic field monitoring system employs at least one fiberoptic cable to optically communicate measurements from an array of electromagnetic field sensors in a borehole. A data processing system that receives the measurements and responsively models the subsurface electromagnetic field, which in at least some cases is generated by a controlled source such as a downhole electric or magnetic dipole source or a casing that serves as an electrode for injecting a distributed current into the formation.

Abstract: A system and method for imaging properties of subterranean formations in a wellbore is provided. The system comprises a formation sensor for collecting currents injected into the subterranean formations, the formation sensor positionable on a downhole tool deployable into the wellbore. The system comprises a controller for controlling the formation sensor and a formation imaging unit. The formation imaging unit comprises a current management unit for collecting data from the currents injected into the subterranean formations, the currents having at least two different frequencies. The formation imaging unit comprises a drilling mud data unit for determining at least one drilling mud parameter, a formation data unit for determining at least one formation parameter from the collected data, and an inversion unit for determining at least one formation property by inverting the at least one formation parameter.

Abstract: The present disclosure provides a detection device for lithium-ion battery, which comprises an insulative housing having a receiving chamber; an insulative separator positioned between the positive electrode sheet and the negative electrode sheet when the positive electrode sheet and the negative electrode sheet are received in the receiving chamber; a positive electrode sheet conductive fastener passing through the insulative housing and fixedly connected to a positive electrode current collector at a positive electrode current collector non-film-coating region; a negative electrode sheet conductive fastener passing through the insulative housing and fixedly connected to a negative electrode current collector at a negative electrode current collector non-film-coating region; an insulative cover engaged with the insulative housing and the insulative separator; a positive electrode region detection hole communicated to the positive electrode sheet gas region; and a negative electrode region detection hole comm

Abstract: A method for determining response characteristics of a battery includes: pressurizing the battery in a direction to reduce a distance between electrode surfaces of the battery; and applying a voltage or a current to the pressurized battery to determine response characteristics of the battery.

Abstract: A battery monitoring system includes: plural battery monitoring devices that are serially connected to each other; and a control circuit connected to one battery monitoring device and that transmits a first activation signal to the one battery monitoring device, wherein each particular one of the plural battery monitoring devices includes: a constant voltage generation circuit that generates and outputs a constant voltage; a first activation circuit that outputs a second activation signal if the first activation circuit receives the first activation signal; and a second activation circuit that outputs a third activation signal in response to recognizing the constant voltage generated by the constant voltage generation of another of the battery monitoring devices that is connected to the particular battery monitoring device, and wherein the constant voltage generation circuit generates the constant voltage if the constant voltage generation circuit receives the second activation signal or the third activation

Abstract: In order to detect the current state of a system component, e.g. to display whether an electrical conductor, a cable or the like, is currently live, a field generator that generates a magnetic field in the environment of the system part is provided, which generator is connected to an organic magnetoresistive OMR semiconductor element that is arranged stationary in the environment of the system component to be monitored, and a voltage source for generating an electrical voltage between two electrodes of the OMR semiconductor element is provided. The device and the method can be fitted in a simple manner and cost-effectively to almost any system part, even at a later stage to already existing systems. A corresponding display shows the desired information locally limited and in the simplest manner: if the electric conductor is currently energized, an additional evaluation is not necessary.

Abstract: A method of detecting and locating a micro-interface abnormality within an electrical system having a plurality of conductors and a plurality of electrical connections includes identifying a subset of the plurality of electrical connections by detecting an acoustic signal within the electrical system and analyzing the detected acoustic signal and determining that the detected acoustic signal is indicative of an electrical fault, measuring a contact resistance of each of the subset of the plurality of electrical connections, and identifying at least one of the subset of the plurality of electrical connection points as having a micro-interface abnormality based on the measured contact resistances.

Abstract: Method and system for measuring the resistance of a resistive structure having at least three nodes. A first calibration signal is determined by measuring a voltage at an output of the resistance structure when no calibration current is injected into a third node between the first and second nodes of the structure. A calibration current is then injected into the third node and a second calibration signal is determined. The absolute value of the difference between the first calibration signal and the second calibration signal is determined, the absolute value being proportional to a product of the resistance of the resistive structure and the calibration current.

Abstract: The general field of the invention is that of touchscreen devices with projected capacitive detection comprising a matrix touchpad comprising a plurality of conducting rows and of conducting columns, the said pad being linked to electronic control means. The electronic control means generate two periodic emission voltages emitted at two different frequencies. The analysis of the reception voltages makes it possible to determine the positions of two simultaneous presses on the touchpad, including when the two presses are done on rows or columns that are close. The determination of the presses is performed essentially by calculating the barycentres of the troughs of the reception voltages.

Abstract: A capacitive sensing device including logic components and a capacitive sensor having at least one electrode, said logic components and capacitive sensor being arranged to form an oscillator, where the capacitive sensor includes a plurality of capacitive sensing electrodes, as well as a selector arranged to form an oscillator selectively from a plurality of possible oscillators, by connecting the logic components with respectively, in the case of each oscillator formed, a given combination from the plurality of electrodes of the capacitive sensor including at least an emission electrode and a reception electrode forming a capacitor formed by means of mutual electrostatic coupling.

Abstract: A touch panel sensor for sensing a contact position of a target object may include an insulating substrate, electrode patterns formed on the bottom surface of the insulating substrate and for sensing the target object accessing thereto, a window decoration provided on the bottom surface of the insulating substrate in order to block light and including penetration regions through which the respective ends of the electrode patterns are exposed, coloration conduction layers provided in the respective penetration regions in order to block light and electrically connected to the electrode patterns, and wire members electrically connected to the ends of the electrode patterns disposed in the penetration regions through a medium of the coloration conduction layers.

Abstract: The invention relates to a differential current sensor for measuring a differential current (?I) between an electric current (IH) through a delivery conductor (H) and an electric current (IR) through a return conductor (R), with two low-ohmic current-measuring resistors (RH, RL) for measuring the currents (IH, IR) in the delivery conductor (H) and return conductor (R) and two measuring devices (MEH, MEL) with a measuring transducer for measuring the voltage drops (UH, UL) over the two current-sense resistors (RH, RL) in each case, and also with two voltage references (UREFH, UREFL) for calibrating the measuring devices (MEH, MEL). It is suggested that the two measuring transducers successively measure both the voltage drop (UH) over the respective current-sense resistor (RH) and the associated voltage reference (UREFH, UREFL).