Entries |
Document | Title | Date |
20080258739 | Position Sensor - A compact position sensor with high operational reliability is provided. This sensor has a tubular detection coil, a magnetic core movable in the detection coil, a drive circuit for the detection coil, a signal processing circuit for converting a change in impedance of the detection coil into an electric signal, and a guide means for guiding a movement of the magnetic core in the detection coil. The guide means has a guide portion connected to the magnetic core and a support portion for slidably supporting the guide portion. The magnetic core can be smoothly displaced in the detection coil without contacting an inner surface of the detection coil by a sliding movement of the guide portion relative to the support portion. | 10-23-2008 |
20090243630 | METHOD TO QUICKLY ESTIMATE INDUCTANCE FOR TIMING MODELS - A method of estimating an inductance delay includes determining a resistance-capacitance (RC) delay with resistances and capacitances of a network and estimating an inductance delay of the network by determining a propagation delay of an electromagnetic (EM) field across wires of the network. Additionally, the method includes determining if the RC delay is below a specified threshold and adding the estimated inductance delay to the RC delay to determine a total time to propagate voltage swings through the network if the RC delay is below the specified threshold. | 10-01-2009 |
20090256580 | ORTHOGONAL RADIO FREQUENCY VOLTAGE/CURRENT SENSOR WITH HIGH DYNAMIC RANGE - A radio frequency (RF) sensor that measures RF current includes a substrate that has an inner perimeter that defines an aperture. A conductor extends through the aperture. Sensor pads are arranged on the aperture and are connected to form two sensor loops. The loops generate an electrical signal that represents RF current flow through the center conductor. Additionally, a plurality of circular conductive rings may be included in the RF sensor to generate a signal representing the voltage of the conductor. | 10-15-2009 |
20090302868 | Analysis and Compensation Circuit for an Inductive Displacement Sensor - A circuit arrangement for analysis and compensation of the signals for an inductive displacement sensor is provided. The circuit includes a first operating amplifier, a second operating amplifier and a coil for a displacement measurement, in parallel with the second operating amplifier output and the second operating amplifier first input and connected to a capacitance in series with the coil inductance and coil resistance to form an RLC series tuned circuit. In order to improve the accuracy of a measured resonance frequency, the circuit arrangement can be extended with a second coil for a temperature compensation, by connecting a first of the ends of the coil winding to a second end of the coil winding of the first coil and a second of the ends of the coil winding to the second input of the first operating amplifier. | 12-10-2009 |
20100026318 | Coupling Loop - A coupling loop or antenna is provided that can be used with a system that determines the resonant frequency of a sensor by adjusting the phase and frequency of an energizing signal until the frequency of the energizing signal matches the resonant frequency of the sensor. In one embodiment multiple energizing loops energize an implanted sensor and a sensor coupling loop connected to an input impedance that is at least two times greater than the inductance of the sensor coupling loop receives the sensor signal. | 02-04-2010 |
20100141272 | Read-out line - It is disclosed to measure the impedance of a read-out line. The read-out line includes at least two cascaded electrical circuit segments, each electrical circuit segment including two longitudinal arms, wherein one of the longitudinal arms includes an electrical component, and a lateral arm including a switch configured to close in the presence of an object in the vicinity of the switch. The measured impedance of the read-out line can be compared to a preset value corresponding to an allowable value of the impedance of the read-out line. | 06-10-2010 |
20100148799 | INDUCTIVE PROXIMITY SENSOR AND RELATED METHODS - An inductive proximity sensor or switch and a method of using same. The sensor or switch includes an Application Specific Integrated Circuit (“ASIC”) and a plurality of external components. The ASIC is implemented in CMOS technology and has an oscillator. A switch point of the sensor or switch is predetermined by selection of a bias voltage to a potential node of the oscillator. | 06-17-2010 |
20100207643 | INDUCTIVE CONDUCTIVITY MEASUREMENT CELL - An inductive conductivity measurement cell of the invention includes: sending coil, a receiving coil, and a coil support body having an annular, sending coil chamber and an annular, receiving coil chamber, wherein there extends through the coil support body at least one section of a closed media path, which passes through the sending coil chamber and through the receiving coil chamber, characterized in that the coil support body has first connection bores, which extend from a surface of the coil support body to the sending coil chamber and through which the connection lines of the sending coil extend, and second connection bores, which extend from a surface of the coil support body to the receiving coil chamber and through which the connection lines of the receiving coil extend. The connection lines of the sending coil in the first connection bores are shielded from the connection lines of the receiving coil in the second connection bores by the coil support body. | 08-19-2010 |
20100253367 | ELECTROMAGNETIC WAVE GENERATION SOURCE SEARCHING METHOD AND CURRENT PROBE USED THEREFOR - A junction-current probe is provided which can measure a current flowing in a junction port adapted to connect a circuit board or an electronic apparatus to a chassis under the condition that the circuit board or electronic apparatus is packaged to the chassis. Structurally, the current probe has a circular or rectangular insulator having a hole in the center, a coiled conductor wire for converting linkage flux into voltage, an insulating member for preventing the insulator from making electrical contact with surroundings, an extraction lead for connecting opposite ends of the conductor wire to a cable and the cable for connection to a measurement unit. The current probe is reduced in thickness within in a range in which the condition of packaging to the chassis can remain unchanged. | 10-07-2010 |
20100264939 | Inductive sensor module and inductive proximity sensor - Inductive sensor module comprising a coil arrangement and a carrier, on which electronic components are arranged, wherein the coil arrangement is arranged on a first side of the carrier and the electronic components are arranged on a second side of the carrier directed away from the first side. | 10-21-2010 |
20100295557 | METHOD AND CIRCUIT ARRANGEMENT FOR MEASUREMENT OF THE CURRENT THROUGH AN INDUCTIVE LOAD - The invention provides a method and a circuit arrangement for measurement of the current through an inductive load L wherein the current is fed into the inductive load L with the aid of a full-bridge circuit. By way of example, full-bridge circuits such as these are used to feed a current in a pulse-width-modulated form into a winding of a direct-current, stepping or plunger coil motor. A respective measurement device (Ra, Rb) is provided for each half-bridge. In this case, a respective measurement device (Ra, Rb) is arranged between in each case one series circuit of switching elements and ground (VSS) or the supply voltage (VDD), respectively, at which a respective voltage is tapped off, which is a measure of the current through the respective measurement device. The device for measurement of the current has at least one switching device (S), by means of which one of the two inputs (e | 11-25-2010 |
20100295558 | Inductive conductivity-measuring cell and method for operating such - A method for operating an inductive conductivity-measuring cell having a primary circuit with a sending coil, a secondary circuit with a receiver coil, and a short-circuit path, which passes through the sending coil and the receiver coil. The sending coil couples via the short-circuit path inductively with the receiver coil, wherein, in the case of closed short-circuit path, a first electrical signal present in the primary circuit is measured, and wherein the first signal is compared with, and/or weighed against, values, which are furnished or stored. | 11-25-2010 |
20100308842 | IN SITU MEMBRANE MONITORING - A method for in situ monitoring of a membrane of a membrane separation system comprises measuring a complex impedance of the membrane at a plurality of frequencies to provide an indication of the electrical conduction and electrical polarization properties of the membrane. The membrane based separation system for removing or reducing the concentration of materials carried in a fluid including a separation membrane has a first pair of electrodes separated by the membrane and arranged for measurement of the complex impedance of the membrane at a plurality of frequencies to provide the indication of the membrane properties. There may also be a second pair of electrodes separated by the membrane for injecting the stimulus current such that the injecting and monitoring functions are separated. | 12-09-2010 |
20110001490 | Conductivity sensor with switching between transmitting and recieving coil - An inductively working sensor for determining the conductivity of a liquid medium. The sensor includes: at least one transmitting circuit, which is designed to deliver an input signal for a transmitting coil, in order to produce in the transmitting coil an alternating electromagnetic field, which causes a ring-shaped electrical current in the liquid medium; at least one receiving circuit, which is designed to evaluate a received signal produced by the ring-shaped electrical current in a receiving coil; a first coil; a second coil, which is arranged at a distance from the first coil; a switching means for switching between a first switch state and a second switch state, wherein, in the first switch state, the first coil, serving as transmitting coil, is coupled with one of the transmitting circuits; and the second coil, serving as receiving coil, is coupled with one of the receiving circuits, and wherein, in the second switch state, the second coil, serving as transmitting coil, is coupled with one of the transmitting circuits, and the first coil, serving as receiving coil, is coupled with one of the receiving circuits. | 01-06-2011 |
20110018556 | PRESSURE AND TOUCH SENSORS ON FLEXIBLE SUBSTRATES FOR TOYS - A capacitive sensor comprises patterned electrodes and printed wires of conductive material integrated with sensing circuits on flexible circuit substrates. The flexible circuit substrates are fingered or otherwise elongated to distribute sensing points to the limbs in a toy doll or animal, or squares on a board game. Such sensing points can detect the presence of a finger even though actual contact is not made by measuring the proportions and changes in stray capacitance attaching to the various electrodes. Touch sensors are therefore possible even when the capacitor sensor's sensing points are covered by a doll's plastic skin or a plush animal's fur. Including an interlayer of open cell foam under the flexible circuit substrate further implements a pressure sensor because applied pressures will deform the geometries of the capacitor electrodes and dielectrics enough to produce a measurable change in capacitance. | 01-27-2011 |
20110050250 | ELECTRONIC DEVICE AND METHOD FOR INDUCTOR CURRENT MEASUREMENT - An electronic device includes a circuit for measuring a current in an inductor, wherein the current in the inductor is controlled by alternately switching a first power transistor and a second power transistor each having a first electrode, a second electrode and a control gate. The measuring circuit includes a first sense transistor having a first electrode, a second electrode and a control gate, the first sense transistor having the control gate coupled to the control gate of the first power transistor. A second electrode is coupled to the second electrode of the first power transistor. A second sense transistor has a first electrode, a second electrode and a control gate, the second sense transistor having the control gate coupled to the control gate of the second power transistor and having the second electrode coupled to the second electrode of the second power transistor. An amplifier is operable in a first configuration for providing an output current that is a function of a first current though the first sense transistor during a first period of time or in a second configuration for providing the output current as a function of a second current through the second sense transistor during a second period of time, so as to alternately sense a current through the first power transistor with the first sense transistor and through the second power transistor with the second sense transistor. | 03-03-2011 |
20110062968 | ROTATING ELECTRIC-FIELD SENSOR - A compact instrument package consisting of a rotating sensor and supporting signal-processing electronics is capable of measuring two-dimensional electric-field vectors, ranging from DC to an arbitrary upper AC frequency not limited by the rotation rate, with highly improved accuracy and sensitivity when compared with previous art. In addition, contrary to previous art, the sensor can measure the electric field gradient at its location. This is achieved by the use of a combination of quadrature modulation and phase-sensitive quadrature demodulation digital signal processing in a generic rotating electric-field sensor. Ground isolated versions of the instrument can be used singly or in arrays when precise measurements of the electric fields are necessary. Either grounded or isolated versions of the instrument can operate continuously without the need for internal batteries, making it extremely attractive for a wide-range of industrial and space applications. Operational modes have been developed to distinguish the effects of ion currents and charged particles impacting the sensor from the local ambient electric field. Moreover, particular versions of the instrument can be operated in corrosive environments and conducting fluids. | 03-17-2011 |
20110140716 | INPUT CIRCUIT FOR INDUCTIVE MEASUREMENTS OF THE CONDUCTIVITY OF A FLUID MEDIUM - Exemplary embodiments of the invention include an input circuit for electromagnetic (inductive) measurements of the conductivity of liquids. The input circuit and the induction coil are directly coupled, and the arrangement includes a current-voltage converting circuit which accomplishes the transformation from current to voltage in the induction coil, and ensures the terminal voltage to be zero. Also there is an anti-saturation circuit which is composed of an integrating circuit and a voltage dividing circuit and serves to prevent saturation in the operational amplifier which is used for the current-voltage transformation. The circuit further includes features for the detection of an open-circuit failure of the sensor coil or cable. | 06-16-2011 |
20110140717 | METHOD AND DEVICE FOR INDUCTIVE CONDUCTIVITY MEASUREMENTS OF A FLUID MEDIUM - Exemplary embodiments of the present invention include methods and devices for the electromagnetic (inductive) measurement of the conductivity of liquids by immersing a sensor into the liquid, wherein the sensor includes at least 2 toroidal cores, one of said cores carrying an excitation coil and the other core carrying an induction coil. Exemplary methods include converting the induced current at the induction coil into an alternating square-wave voltage, followed by rectification. A sample-hold circuit may be employed to avoid the transition time of the alternating square-wave current conversion. The demodulated DC voltage is proportional to the conductivity of the measured liquid. | 06-16-2011 |
20110140718 | Inductive Conductivity Sensor - A conductivity sensor for measuring conductivity of a medium surrounding the conductivity sensor, including: a first toroidal coil, which surrounds a first traversing opening for accommodating the medium and which serves for inducing an electrical current in the medium, a second toroidal coil, which surrounds a second traversing opening for accommodating the medium and which serves for registering a magnetic field produced by the induced electrical current. At least one of the toroidal coils has a plurality of first conductor sections, which extend in a plane of a multi-ply circuit card, a plurality of second conductor sections, which extend in a second plane of the circuit card, and a plurality of first vias, which connect the first conductor sections with the second conductor sections. The first conductor sections, the second conductor sections and the vias together form the windings of a toroidal coil, wherein at least one toroidal coil is surrounded by a plurality of internally metallized bores, which are arranged in such a manner, that they act as electrical shielding of the toroidal coil. | 06-16-2011 |
20110169508 | Inductive sensor - The invention relates to an inductive sensor in which static damping of the sensor is suppressed. | 07-14-2011 |
20110181302 | INDUCTIVE POSITION SENSOR - A rotary position sensor having a transmitter coil energized by a high frequency current source. A first receiver coil includes an even number N of loops wherein adjacent loops of the first receiver coil are oppositely wound. A second receiver coil also includes N loops where adjacent loops are oppositely wound. Furthermore, the second receiver coil is angularly offset from the first receiver coil by 180/N degrees. A noncircular coupler constructed of an electrically conductive material is rotatably mounted relative to the coils so that the coupler element overlies at least a portion of the first and second receiver coils. A circuit processes the output signals from the first and second receiver coils and generates an output signal representative of the rotational position of the coupler. | 07-28-2011 |
20110193570 | Systems and methods for characterizing a molecule - Techniques for characterizing a molecule are described herein. In one example, a portion of the molecule is trapped in a nanopore, a variable voltage is applied across the nanopore until the trapped portion of molecule is moved within the nanopore, and the molecule is characterized based on the electrical stimulus required to affect movement of at least a portion of the trapped portion of the molecule within the nanopore. | 08-11-2011 |
20110199101 | ANGLE MEASUREMENT DEVICE AND METHOD - The present invention relates to a sensor device for determining an absolute angle of a prosthetic joint, and which is resistant to environmental elements and has a reduced power draw. The sensor device includes an inductive sensor and a rotatable member including a metal material. The metal material can include a non-ferrous metal material. The inductive sensor detects an amount of the metal material in a proximate location to the inductive sensor. Rotation of the rotatable member increases or decreases an amount of metal material in the proximate location of the inductive sensor. The amount of metal material in the proximate location corresponds to an angle of the rotatable member and the prosthetic joint based on a monotonic function. Thus, the inductive sensor detects the amount of metal material in the proximate location to determine the angle of the rotatable member and subsequently the angle of the prosthetic device. | 08-18-2011 |
20110221451 | METHOD FOR DETECTING THE POSITION OF AN ARMATURE OF AN ELECTROMAGNETIC ACTUATOR - A method of detecting the position of the armature ( | 09-15-2011 |
20110227588 | LAYOUT FOR ANTENNA LOOPS HAVING BOTH FUNCTIONS OF CAPACITANCE INDUCTION AND ELECTROMAGNETIC INDUCTION - The present invention relates to a layout for antenna loops having both functions of capacitance induction and electromagnetic induction, and particularly relates to the layout for antenna loops having both functions of capacitance induction and electromagnetic induction, wherein the capacitance detection elements are integrated with the antenna loops. In this layout for antenna loops, each of the antenna loops therein is separated into three sections, and there are several geometric structures fabricated in two of these sections. These geometric structures are capacitance detection elements. Therefore, the two sections are directly fabricated to be the capacitance detection elements because of these geometric structures. By this way, the antenna loops can be integrated with the capacitance detection elements and the capacitance detection elements do not prevent the antenna loops from receiving the electromagnetic signals. | 09-22-2011 |
20110234242 | FORKLIFT TRUCK WITH A DEVICE FOR DETECTING A WEIGHT LOAD - A forklift includes a chassis component having an opening in the form of one of a recess and a cutout; and a measuring element disposed in the opening and configured to record and translate changes in at least one of the geometric shape and size of the opening into electrical measurement signals dependent on a magnitude of the changes. | 09-29-2011 |
20110267076 | Method for energy-saving operation of a magneto-inductive flow measuring device - A method for operating a magneto-inductive flow measuring device having a measuring tube, wherein an at least partially electrically-conductive measured material flows through the measuring tube. For determining flow, there is produced by means of at least one coil arrangement a clocked magnetic field, which at least partially passes through the measured material, wherein the magnetic field is produced by an exciter current, which flows through the coil arrangement. The magnetic field is operated with at least a first clocking, wherein, in a case in which the coil arrangement is free of exciter current, an electrical potential difference is sensed between the measured material and a reference potential by means of at least a first measuring electrode communicating with the measured material. The potential difference is compared with a predetermined reference value, and, in the case of a deviation of the potential difference from the reference value which lies within a predetermined threshold value, the magnetic field for determining flow is operated with at least a second clocking, reduced compared to the first clocking. | 11-03-2011 |
20110285406 | INDUCTIVE SENSOR AND METHOD OF ASSEMBLY - A sensor includes a coil arranged in a housing. The coil is electrically connected to a printed circuit board, which is likewise arranged in the housing. Sensor terminals are arranged at the printed circuit board on a side of the housing opposite the coil. The coil has at least two contacts running asymmetrically to a coil axis, which are connected to the printed circuit board. A method of assembling the sensor is also provided. | 11-24-2011 |
20110298478 | METHOD FOR DETERMINING RESIDUAL COUPLING OF AN INDUCTIVE CONDUCTIVITY SENSOR - A method for determining residual coupling of an inductive, conductivity sensor, in which the conductivity sensor is surrounded by a measured medium and an equivalent impedance of the medium is calibrated with a variable compensation impedance. The variable compensation impedance and the equivalent impedance of the medium act on a measuring coil of the conductivity sensor with a phase shift of 180°. In order to be able to perform a measuring of the residual coupling with a high accuracy of measurement at any time during operation of the conductivity sensor, the variable compensation impedance is varied until an output voltage of the measuring coil of the conductivity sensor assumes a minimum voltage; wherein the minimum voltage corresponds to the residual coupling of the inductive, conductivity sensor. | 12-08-2011 |
20120007613 | CURRENT SENSING ON A MOSFET - A device having a switch with a voltage applied across the switch. A current sensing circuit is connected to one terminal of the switch. The current sensing circuit receives power independently of the voltage applied across the switch. The power supply shares the other terminal of the switch with the current sensing circuit. The switch is adapted for opening and closing. When the switch closes, the current sensing circuit senses current through the switch and upon opening the switch the high voltage of the switch is blocked from the current sensing circuit. The sense current is caused to flow from the current sensing circuit to the other terminal when the switch is closed. The flow of the sense current produces a voltage which is compared differentially to another voltage referenced by the other terminal. | 01-12-2012 |
20120068723 | Conductivity Detector For Fluids - A conductivity detector detects the electrical conductivity of a fluid under analysis for determining chemical or physical properties of the fluid that are related its electrical properties. Such conductivity detectors may find use in, for example, hemodialysis systems for analyzing the effectiveness of the hemodialysis treatment. In an aspect, to improve accuracy of the conductivity measurements, the detector utilizes four-wire resistance measurement methods. In another aspect, to avoid fouling or contamination of the electrodes, the detector utilizes capacitively-coupled contactless conductivity detection (C4D) methods so that the electrodes are physically unconnected to the fluid contained in a fluid chamber. In a possible further aspect, the fluid chamber may be a disposable component removable from the electrodes. The conductivity detector can include other features such as calibration circuits and features for electrically isolating the fluid under detection from the fluid in the rest of the system. | 03-22-2012 |
20120081131 | DETECTION OF A CONTACTLESS DATA STORAGE DEVICE - For detecting within a communication range of an antenna a contactless data storage device which is configured for inductive coupling with an electromagnetic field emitted by the antenna, a return signal is detected (S | 04-05-2012 |
20120098550 | Method for manufacture of an inductive sensor - A method for manufacture of an inductive sensor, wherein coils are placed on both sides of a support plate surrounding an opening of the support plate, and the support plate with the coils is inserted into a housing. A sleeve is inserted through a first cavity of the housing through the opening of the support plate into the housing. In order to achieve a secure and temperature independent joint between the sleeve and the housing, the sleeve ( | 04-26-2012 |
20120105078 | METHOD AND SYSTEM FOR DETERMINING AN OPERATING CHARACTERISTIC ASSOCIATED WITH AN INDUCTOR IN A POWER CONVERTER SYSTEM - A method and system is provided for determining at least one operating characteristic associated with an inductor in a power converter system. The operating characteristic may be current through the inductor. The power converter system may be of the type used in a hybrid electric vehicle (HEV) to convert electric power from a high-voltage traction battery to drive an electric motor and/or a generator in the HEV. | 05-03-2012 |
20120112769 | Method and system for inductive sensing of blades in a turbine engine - A method is provided for determining timing points indicative of the passage of a blade in a turbine engine. The method comprises the steps of: providing a s first sensing coil proximate to a path of the blade, providing a second sensing coil proximate to the path of the blade, the second sensing coil spaced from the first sensing coil in a direction parallel to the path of the blade, and comparing a signal generated in the first sensing coil with a signal generated in the second sensing coil to derive a timing point indicative of the passage of the blade. | 05-10-2012 |
20120139559 | POSITIONING SYSTEM FOR A TRAVELING TRANSFER SYSTEM - The invention relates to a positioning system ( | 06-07-2012 |
20120161788 | MAGNETIC EFFECTS SENSOR, A RESISTOR AND METHOD OF IMPLEMENTING SAME - A system of having a circuit having an electrical coil configured to generate a magnetic field based on properties of a surrounding space and an object presented to the electrical coil and a sensor configured to sense inductance and resistance of the electrical coil and to discriminate the object presented to the electrical coil in accordance with the sensing. A precision variable resistor to control resistance of an in-loop photoresistor with an out-loop photoresistor that are located parallel to each other. | 06-28-2012 |
20120182027 | MEASURING ARRANGEMENT FOR DETERMINING ELECTRICAL CONDUCTIVITY OF A MEASURED LIQUID - A measuring arrangement for determining electrical conductivity of a measured liquid, comprising: a container, in which the measured liquid is accommodated, a gradiometer arrangement, comprising an exciter coil, a first receiving coil and a second receiving coil, wherein the first and the second receiving coils are arranged symmetrically relative to the exciter coil, and a measurement circuit embodied to excite the exciter coil for producing an alternating magnetic field passing through the first receiving coil, the second receiving coil and the measured liquid. The receiving coils are influenced in different manner by the magnetic field induced by the alternating magnetic field in the measured liquid and directed counter to the alternating magnetic field. The measurement circuit is furthermore embodied to register an electrical signal of the receiving coils and to derive from such the electrical conductivity of the liquid. | 07-19-2012 |
20120223724 | INDUCTIVE MEASURING DEVICE FOR DETECTING LENGTHS AND ANGLES - The invention relates to a measuring device for detecting absolution positions, comprising a sensor unit (N, M) as a planar coil structure and a scale having alternating areas of variable reluctance or conductivity along the measuring line. The invention is characterized in that the measuring device has at least two divisions (T | 09-06-2012 |
20120249166 | METHOD FOR MONITORING THE ELECTRICAL PROPERTIES OF A LOAD CIRCUIT CONTROLLED IN A CLOCKED MANNER AND CIRCUIT SYSTEM FOR PERFORMING THE METHOD - A method and a circuit system for monitoring the electrical properties of a load circuit controlled in a clocked manner, the load circuit having at least one ohmic component and at least one inductive component, having the following steps: establishing at least one first control signal and one second control signal, the control signals being established in such a way that, in the case of activation of the load circuit using the first control signal, the inductive behavior of the load circuit predominates and, in the case of activation of the load circuit using the second control signal, the ohmic behavior of the load circuit predominates, acquiring at least one measured variable, which is a function of the control signal and the ohmic and/or inductive components, in the case of activation of the load circuit using the first control signal and in the case of activation of the load circuit using the second control signal, ascertaining the deviations of the measured variables from measured variables which are expected on the basis of the nominal values of the inductive and ohmic components, classifying the state of the load circuit on the basis of the ascertained deviations. | 10-04-2012 |
20120326732 | NANOSENSOR AND METHOD OF DETECTING TARGET MOLECULE BY USING THE SAME - The present disclosure includes a sensor and method for detecting a target molecule. In one instance, a sensor comprises a substrate including a hole, a first insulating layer located on the substrate and including a first nanopore corresponding to the hole, a first electrode, a second electrode, wherein the first electrode and the second electrode are located on a surface of the first insulating layer and are spaced apart by the first nanopore forming a nanogap, and a modulation unit configured to apply a unit input signal between the first electrode and the second electrode, wherein at least one unit input signal is applied as a target molecule passes through the nanogap. | 12-27-2012 |
20130021042 | GRADIOMETER FOR DETERMINING THE ELECTRICAL CONDUCTIVITY OF A MEDIUM CONTAINED IN A CONTAINMENT - A gradiometer for determining electrical conductivity of a medium contained in a containment, comprising: at least a first electrical coil, a second electrical coil and a third electrical coil, wherein the first coil is embodied as a transmitting coil, wherein the second and third coil are embodied as receiving coils; and a holding apparatus. The first, second and third coils are wound on the holding apparatus. The holding apparatus is arranged through a containment opening in a containment wall in such a manner that the first coil is positioned centrally with respect to the containment wall. The second and third coils are arranged mirror symmetrically to the first coil and are inductively coupled with the first coil. | 01-24-2013 |
20130033273 | INDUCTIVE PROXIMITY SENSOR - An inductive proximity sensor and a method comprising a transmitter coil, a receiver coil, an excitation device which is connected to the transmitter coil and an evaluation device, wherein the evaluation device is designed to generate an output signal which depends on a voltage ratio between a transmission voltage of the transmitter coil and/or of the excitation device and a reception voltage of the receiver coil, wherein the excitation device is designed to generate a sinusoidal radio frequency transmission voltage. An inductive proximity sensor and a method comprising a transmitter coil, a receiver coil, an excitation device which is connected to the transmitter coil and an evaluation device, wherein the evaluation device is designed to generate an output signal which is dependent on a reception voltage of the receiver coil, wherein the excitation device is designed to generate a sinusoidal radio frequency transmission voltage with a constant amplitude. | 02-07-2013 |
20130063161 | SENSOR DEVICES AND METHODS FOR USE IN SENSING CURRENT THROUGH A CONDUCTOR - Sensor devices and related methods disclosed. One example sensor device includes a Rogowski coil defining an aperture and a dielectric material at least partially enclosing the Rogowski coil. The dielectric material has a dielectric constant of at least about 3.5. The dielectric material is configured such that, when a conductor is at least partially inserted within the aperture, at least a portion of the dielectric material is positioned between the Rogowski coil and the conductor. | 03-14-2013 |
20130063162 | METHOD FOR EVALUATING AN ANALOG SIGNAL - In a method is provided for evaluating an analog signal, which carries data on a rotational motion, the analog signal is read in by an A-D converter for evaluation and zero crossings of the analog signal are determined. | 03-14-2013 |
20130099801 | DIAGNOSTIC METHODS AND APPARATUS FOR AN ACCELERATOR USING INDUCTION TO GENERATE AN ELECTRIC FIELD WITH A LOCALIZED CURL - Methods and apparatus are described wherein a charged beam in an enclosed conducting cavity in an accelerator is monitored for position, current, and energy. One method uses induced electric signals on non-intercepting conducting electrodes. Another method uses an intercepting and moving electrode than can be moved into the beam to different degrees to monitor the beam current and vertical profile at different radial positions. Non-intercepting electrodes are also used as part of a moving diagnostic probe to monitor properties of the beam at different radial positions. Another method uses the current in the leads to a power supply, a portion of this current being equal to the beam current. Another method uses the magnetic and electric fields from the beam that penetrates a non-conducting portion of the conducting cavity. Yet another method uses the radiation emitted during acceleration of the beam by the deflecting magnets that guide the beam. | 04-25-2013 |
20130113503 | METHOD AND DEVICE FOR MEASURING THE LOCATION OF A PARTICLE BEAM PRESENT IN PACKETS IN A LINEAR ACCELERATOR - The invention relates to a method and device for measuring the location of a particle beam ( | 05-09-2013 |
20130141116 | Conductivity Sensor - A conductivity sensor is disclosed. The conductivity sensor includes an oscillator for providing an input signal and a reactive circuit having an induction coil, a capacitive element, and a resistive element connected in parallel. The induction coil is adapted to be placed adjacent to a specimen. The conductivity sensor further includes a control circuit for driving the reactive circuit to resonance when the induction coil is placed adjacent to the specimen. The reactive coil is configured to provide an output signal having a parameter representative of the conductivity of the specimen when the reactive circuit is at resonance. The induction coil may include a first conductive element that spirals outward to an external perimeter and a second conductive element operably connected to the first conductive element. The second conductive element spirals inward from the external perimeter staggered relative to the first conductive element. | 06-06-2013 |
20130154669 | Housings for inductive proximity sensors - Inductive Proximity Sensors are non-contact sensing devices used in manufacturing processes to sense metal targets. In practice, it is common for objects to contact the sensor causing the sensor to malfunction. An inductive sensor with improved durability is required. An inductive proximity sensor includes an exterior housing, an interior sensing coil and electronic circuit, and a connector. The Exterior housing is produced from one piece of metal bar, bored from one end to the tip of the other end, leaving the cylindrical tube open only on one end. The Exterior Housing is produced with an Inside Dimension that is smaller than previous proximity sensors and places the coil and electronic circuit further away from the Outside Dimension of the Exterior Housing. The interior sensing coil and electronic circuit are protected by the thick casing of the Exterior housing to improve structural rigidity and the longevity of operation in manufacturing processes. | 06-20-2013 |
20130162268 | Measurement Transmitter with at least one Inductive Interface - A measurement transmitter for receiving and processing measurement data, comprising: a transmitter housing with at least one circuit chamber within the transmitter housing, an electronic circuit, which is arranged in the circuit chamber, for the supply of a sensor and for receiving and processing of measurement data of the sensor via at least one inductively coupling interface, wherein, the inductively coupling interface comprises a plug-in connecting coupling with a first plug-in coupling element on a primary side and a complimentary second plug-in connection element on a secondary side, wherein, the second plug-in connection element is detachably connectable to the first plug-in connection element, and wherein, the first plug-in connection element comprises at least a first inductive coupler in a coupling housing, which is formed hermetically sealed, in particular substance-to-substance bonded to, or formed integrally with, the transmitter housing. | 06-27-2013 |
20130187666 | VOLUMETRIC INDUCTION PHASE SHIFT DETECTION SYSTEM FOR DETERMINING TISSUE WATER CONTENT PROPERTIES - A method and apparatus of determining the condition of a bulk tissue sample, by: positioning a bulk tissue sample between a pair of induction coils (or antennae); passing a spectrum of alternating current (or voltage) through a first of the induction coils (or antennae); measuring spectrum of alternating current (or voltage) produced in the second of the induction coils (or antennae); and comparing the phase shift between the spectrum of alternating currents (or voltages) in the first and second induction coils (or antennae), thereby determining the condition of the bulk tissue sample. | 07-25-2013 |
20130193987 | DEVICE FOR MEASURING ELECTRICAL CURRENT AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are embodiments of devices for measuring electrical current and related systems and methods for forming and using such devices. According to certain embodiments, devices according to the present disclosure may comprise Rogowski coils. Also disclosed are systems and methods for forming a current measuring device using a bobbin that may allow for the use of a continuous length of wire for all windings associated with the current measuring device. Automated manufacturing techniques may be utilized to facilitate the manufacture of devices for measuring electrical current and/or may reduce the cost of such devices. Various embodiments disclosed herein include the use of a bobbin that may be selectively configured between a linear configuration and a closed configuration. One or more current sensors disclosed herein may be utilized in connection with a motor management relay or other type of intelligent electronic device. | 08-01-2013 |
20130207672 | INDUCTIVE SENSOR ACTUATOR WITH RECIPROCATING CONTACT POST - A sensor assembly comprises a housing, a bushing, a contact post, and a sensor. The housing has a hollow interior and the bushing is disposed within the hollow interior of the housing at a distal end of the housing. The bushing has a hollow interior, and the contact post is configured to slide within the hollow interior of the bushing as a tip of the contact post comes into contact with a surface. The contact post has a partial bore and the sensor is configured to slide into the partial bore if necessary. The sensor is also configured to measure a distance between the bottom of the contact post and a tip of the sensor. The sensor may communicate the measurement to a data processor. | 08-15-2013 |
20130221990 | DETECTING A CONNECTION TYPE OF A PIN - The subject matter discloses an apparatus configured for detecting type of a connection of an electrical module to an electrical node of an electrical circuit, the apparatus comprising a pulse generator configured for generating a first pulse; and a sampling circuit configured for applying a reaction of the electrical circuit on the first pulse to provide a sampled pulse and for detecting the type of connection from the sampled pulse. The electrical module comprising a capacitor or an inductor. | 08-29-2013 |
20130234730 | SENSOR OF ELECTROMAGNETIC INDUCTION TYPE COORDINATE INPUT DEVICE - In an electromagnetic induction type coordinate input device, on a substrate, plural first loop coils including loop portions are disposed in a first direction, and plural second loop are disposed in a second direction. The first and second loop coils include extraction line portions, each composed of a first line and a second line that are in parallel and are continuously connected to corresponding ones of the first and second loop coils. One of the first line or the second line of the first loop coil is connected to at least one of: (i) the first line or the second line of another one of the first loop coils, and (ii) a line of the loop portion of a second loop coil, within a position detection area, to form a common extraction line with (i) and/or (ii), to thereby reduce the overall number of extraction lines disposed on the substrate. | 09-12-2013 |
20130271158 | INDUCTIVE PROXIMITY SENSOR - The invention relates to an inductive proximity sensor for determining the presence and/or the distance of an electrically conductive object which is designed to evaluate an oscillation in the form of an analog signal whose amplitude depends on the presence or absence and/or on the distance of an electrically conductive object. In accordance with the invention, the inductive proximity sensor includes at least one A/D converter which converts this analog signal into a digital input signal and includes at least one mixer which multiplies the digital input signal by a digital reference signal to form a digital output signal, wherein the digital reference signal is identical to the digital input signal or only differs from the digital input signal by a constant factor. The invention further relates to a method for determining the presence and/or the distance of an electrically conductive object with the aid of a proximity sensor. | 10-17-2013 |
20130335105 | DETECTING DEVICE AND DETECTING METHOD - The present technology relates to a detecting device and a detecting method that enable a state change of power lines to be detected with a simple circuit configuration. For example, when electronic devices | 12-19-2013 |
20130342218 | Cable Detector - A measuring device for detecting a conductor that carries alternating voltage, includes a voltage source configured to produce two phase-shifted alternating voltages, two complex impedance elements having first connections, which are connected to the alternating voltages, and second connections, which are connected to each other and to which a differential voltage is applied, and a control device configured to control the alternating voltages in such a way that a component of the differential voltage synchronous with the alternating voltages is minimized in magnitude. The control device is configured to detect the conductor if a ratio of the alternating voltages does not correspond to a ratio of the complex impedance elements in the absence of the conductor. The second complex impedance element is changeable with a control voltage. A probe is configured to provide the control voltage as a function of an alternating electromagnetic field induced by the conductor. | 12-26-2013 |
20140002110 | INDUCTANCE MEASURING DEVICE AND MEASURING METHOD FORSYNCHRONOUS MOTOR | 01-02-2014 |
20140028331 | INDUCTANCE MEASUREMENT CIRCUIT - An inductance measurement circuit includes a control circuit, a constant current supply circuit, a voltage detecting circuit, and a display circuit. The control circuit controls the constant current supply circuit to supply a first current for a first inductor. The control circuit controls the voltage detecting circuit to detect a voltage on the first inductor. The control circuit obtains an internal resistance of the first inductor by dividing the first voltage by the first constant current. The display circuit displays the internal resistance of the first inductor. | 01-30-2014 |
20140028332 | ARRANGEMENT FOR IDENTIFYING A SWITCHING POSITION OF A SWITCH ON AN INTERNAL COMBUSTION ENGINE IN A HANDHELD WORK APPARATUS - The invention relates to an arrangement for identifying a switching position of a switch (on an internal combustion engine in a handheld work apparatus. An energy source for supplying power to an inductive electrical load is provided, it being possible to connect the load to the energy source in order to be switched on and off via a controller. The switch is arranged in a voltage branch which is connected in parallel with the inductive load and in which a zener diode is also connected. The zener diode is activated or inactivated via the switch as a function of the switching position of the switch. The amplitude of the switch-off voltage, which is induced when the inductive load is disconnected, is limited by the zener diode, so that it is possible to read from the magnitude of the amplitude whether the switch is closed or open. | 01-30-2014 |
20140035597 | Vehicle With Inductive Measuring Unit For Detecting Position Of Vehicle Part - The invention relates to a vehicle with an inductive measuring unit for detecting the distance between a measuring point P | 02-06-2014 |
20140043047 | OCCUPANT DETECTION SYSTEM AND METHOD - An occupant detection system and method that uses an isolation assembly to isolate electrically a power supply providing power to a heater element for heating a vehicle seat from a sensing circuit that uses the heater element as an electrode for electric field or capacitance type occupant detection. The isolation assembly includes a common mode choke that by itself provides sufficient isolation when the sensing circuit excitation signal frequency is high enough, and provides switches that infrequently interrupt electrical power to the heater element so a humidity level can be determined using a relatively low excitation signal frequency. Knowing the humidity level is desirable to adjust a threshold use to determine if the sensing circuit indicates that the seat is empty, or is occupied. | 02-13-2014 |
20140084946 | System And Method For Wireless Power And Data Transmission In A Rotary Steerable System - Various embodiments for wireless power and data communications transmissions between a cartridge in a rotary steering system and components within a drill collar are disclosed. In a certain embodiment, magnetic fields are used to transfer power and data between the cartridge of a rotary steering system and electronics and/or sensors mounted in the drill collar. A first coil is attached to the pressure housing of the cartridge by a shaft containing wires. The turbine in the pressure housing provides an alternating current to the first coil, which is attached to the shaft. Consequently, the first coil generates an alternating magnetic field that passes through the ferrite surrounding a second coil that is attached by wires to an annular pressure housing that is attached to the drill collar. The alternating magnetic field generates an emf in the second coil, which provides power for electronics and sensors mounted in the drill collar. | 03-27-2014 |
20140103940 | SENSOR FOR WEAR MEASUREMENT, METHOD OF MAKING, AND METHOD OF OPERATING SAME - A wear sensor comprising:
| 04-17-2014 |
20140125356 | ROUTE EXAMINING SYSTEM AND METHOD - A system includes at least one examining module configured to be disposed onboard a vehicle system and a mitigation module. The at least one examining module is configured to identify an identified section of a route being traversed by the vehicle system, with the identified section corresponding to at least one of a potentially damaged section of the route or an actually damaged section of the route. The mitigation module is configured to, responsive to an identification by the at least one examining module of the identified section of the route, automatically perform a mitigation action corresponding to the identified section of the route. | 05-08-2014 |
20140145730 | DEVICE FOR THE CONTACTLESS DETERMINATION OF AN ELECTRICAL POTENTIAL OF AN OBJECT, CURRENT PROBE, AND METHOD - A device for the contactless determination of an electrical potential of an object, has an electrode and a potential controller which is electrically connected to the electrode. The potential controller changes a reference potential applied to the electrode to a final value in such a way that an electric field between the object and the electrode disappears at the final value if the electrode is located at a distance from the object. The electrical potential is determined from the final value. | 05-29-2014 |
20140159744 | ELECTRICAL DEVICE - An exemplary electrical device for measuring alternating current or current pulses includes at least one coil of electrically conductive wire being wound around a non-magnetic carrier, where the non-magnetic carrier is made of glass. | 06-12-2014 |
20140167785 | Method and apparatus to detect and measure current and transfer charge - A passive electrical circuit element is disclosed that comprises an inductor surrounded by an electrically conductive sheet, wherein the electrically conductive sheet is electrically insulated from the inductor, and wherein the electrically conductive sheet is configured to transfer charge from the inductor to the conductive sheet in proportion to the current in the inductor. | 06-19-2014 |
20140167786 | Current Sensor For Power Measurement Applications - An electrical system with a power distribution system has a current sensor for directly monitoring electrical power in a current conductor, the current sensor including a printed circuit board (PCB), a current transducer, and integrated conditioning electronics. The PCB has a non-ferromagnetic core through which the current conductor is inserted. The current transducer is for sensing the electrical power in the current conductor and is in the form of a sensing coil printed around the non-ferromagnetic core. The conditioning electronics are embedded into the PCB for processing a data signal based on the monitored electrical power of the current conductor. | 06-19-2014 |
20140167787 | Branch Circuit Current Monitor - An electrical system includes a power distribution system having a plurality of branched electrical circuits and current conductors, each of the plurality of branched electrical circuits being coupled to and receiving electrical power from the power distribution system via an associated current conductor of the current conductors. The electrical system also includes a printed circuit board having an array of multiple sensors for monitoring branched power in the plurality of branched electrical circuits. Each individual sensor is in the form of a sensing coil, is mounted to measure electrical power in a respective current conductor of the current conductors, and has its own individual on-board processing circuitry for monitoring the branched power received in the respective current conductor. | 06-19-2014 |
20140184244 | INDUCTIVE SENSOR - An inductive sensor comprises a window-less full metal housing which is designed as a single-piece injection molded component and is completely produced from amorphous metal. | 07-03-2014 |
20140197849 | CONTROL SYSTEM AND METHOD FOR SENSOR MANAGEMENT - The invention relates to a measuring circuit comprising a control block for controlling said circuit, a time base for providing a clock signal (f | 07-17-2014 |
20140203821 | TEST APPARATUS AND PLASMA PROCESSING APPARATUS - Disclosed is a test apparatus for efficiently and accurately testing a high frequency voltage dependency of an impedance of a test object without damaging the test object. The test apparatus includes a high frequency power source unit, a reference waveform generator, a matching device, an oscilloscope, a control panel, and a main control unit. The test apparatus may boost a high frequency pulse output at a relatively low power from the high frequency power source unit to a voltage required for a high frequency withstand voltage test to be applied to a test object in a state where impedance matching is performed between the high frequency power source unit and the test by the matching device, that is, under a tuned state. Whether the waveform of the voltage applied to the test object is a defined waveform may be concisely monitored and observed by the oscilloscope. | 07-24-2014 |
20140203822 | CURRENT SIGNAL SENSING METHOD FOR SUPPLYING-END MODULE OF INDUCTION TYPE POWER SUPPLY SYSTEM - A current signal sensing method for a supplying-end module of an induction type power supply system, wherein the supplying-end module includes a supplying-end coil and a resonant capacitor, includes serially connecting a current sensing element between the supplying-end coil and the resonant capacitor to obtain a current signal corresponding to a current of the supplying-end coil; and interpreting the current signal to retrieve data of a receiving-end module of the induction type power supply system. | 07-24-2014 |
20140218051 | Method for determining the piston position of a piston cylinder unit and a piston cylinder unit - The invention relates to a method for determining the piston position of a hydraulic or pneumatic piston cylinder unit, wherein the cylinder jacket and the piston form an electrical conducting path and the piston position is determined with the aid of the inductive and/or resistive properties of the conducting path that is formed. In addition, the invention relates to a piston cylinder unit having a measuring device for carrying out such a method. | 08-07-2014 |
20140340099 | METAL DETECTOR FOR PRODUCTION AND PACKAGING LINES - A metal detector ( | 11-20-2014 |
20140354300 | DISTORSION FINGERPRINTING FOR EM TRACKING COMPENSATION, DETECTION AND ERROR CORRECTION - A system for accounting for electromagnetic (EM) distortion with an EM tracking system includes a sensor array ( | 12-04-2014 |
20140368219 | In-Situ Determination of Rod Control System Coil and Cable Impedances for Nuclear Power Plants - Systems and methods of monitoring a rod control system of a nuclear power plant, including calculating impedance of at least one coil of a rod movement mechanism non-intrusively while the system is operating, comparing a measured impedance to a reference impedance, and determining if the measured impedance deviates from the reference impedance value by a predetermined amount to indicate degradation of the rod control system. | 12-18-2014 |
20150028892 | DIGITAL MULTI-METER WITH LCR FUNCTION - A Data acquisition apparatus for measuring purpose can be used as a Digital Multi-Meter (DMM) as well as a LCR meter, and this apparatus can be implemented in semiconductor chip adopted in a handheld case, it includes a DMM and a LCR meter. The LCR meter includes a LCR measuring circuit implemented with integrated circuit. The LCR measuring circuit includes an impedance measuring circuit and an auto-zero amplifier which bias the input offset voltage and amplify the input signal that has passed a big resistor (PTC) to make the signal have a predetermined SNR suitable for the process by the LCR measuring circuit. | 01-29-2015 |
20150028893 | SYSTEM AND METHOD FOR LOOSE NUT DETECTION - One illustrative embodiment includes an apparatus for detecting if a fastener moves from a first position to a different second position. The apparatus includes a first connector for connecting a first side of a contact bridge to the fastener for movement in response to movement of the fastener, and a second connector for connecting a second side of the contact bridge to an object to remain stationary relative to the object. One of the first and second sides of the contact bridge includes first and second spaced apart electrical conductors; the other side includes a third electrical conductor. The third electrical conductor is positionable to contact the first and second electrical conductors when the fastener is in the first position, and the third electrical conductor may be spaced apart from at least one of the first and second electrical conductors when the fastener is in the second position. | 01-29-2015 |
20150070030 | Device and method for measuring static charge on flying insects - A device and method of use for measuring the electrical charge of flying insects. The inventive device comprises measuring the charge induced by a flying insect and measuring the average of charge deposited on a metal screen due to the impact of multiple of insects on the screen. | 03-12-2015 |
20150084646 | LOW POWER INDUCTIVE PROXIMITY SENSING SYSTEM - A low power inductive proximity sensing system in which a DC voltage to the inductors is only applied for a short time period needed to detect the presence or absence of an appropriate object. After the detection time period is over, DC voltage is no longer applied to the inductors. | 03-26-2015 |
20150084647 | VESSEL COMPRISING A SPUD | 03-26-2015 |
20150123680 | Inductive sensor and method of manufacturing an inductive sensor - An inductive sensor and to a method for manufacturing an inductive sensor is provided. The inductive sensor comprises a winding body, an induction coil made of a high-temperature resistant metal alloy and wound onto the winding body, and a metal casing at least partially surrounding the induction coil. Here, the induction coil is compressed with metal oxide powder inside the metal casing. | 05-07-2015 |
20150337984 | APPARATUS AND METHOD OF MEASURING COIL CURRENT OF HYDRAULIC VALVE - Disclosed herein are an apparatus and method of measuring a coil current of a hydraulic valve. The apparatus includes a first coil current measurement unit configured to receive a first coil current control signal from a coil current control device during an ON operating section of the hydraulic valve in operating sections of the hydraulic valve operated by receiving power of a battery, and measure a first coil current value flowing through a coil of the hydraulic valve using a first switching element to be switched ON, and a second coil current measurement unit configured to receive a second coil current control signal from the coil current control device during an OFF operating section of the hydraulic valve in the operating sections of the hydraulic valve operated by receiving power of the battery, and measure a second coil current value flowing through the coil of the hydraulic valve using a second switching element to be switched ON. | 11-26-2015 |
20150355121 | IMPEDANCE-BASED MEASUREMENT DEVICE WITH A TWO-DIMENSIONAL ARRAY OF COILS - The device for the impedance-based probing of materials described herein comprises a two-dimensional array of coils ( | 12-10-2015 |
20150377940 | COIL ARCHITECTURE FOR INDUCTIVE SENSORS - A bobbin and coil architecture is provided for use in an inductive sensor. The architecture eliminates the need for coil shielding and reduces the sensor's sensitivity to temperature and proximate mounting hardware. In one or more embodiments, all or portions of separate coils are located in a common slot on the bobbin, rather than being segregated into separate slots. In an example configuration, two receiver coils may be located in respective two slots on the bobbin, and a transmitter coil may divided into two substantially equal subsets of windings, with each subset wound together with one of the receiver coils in a common slot. This yields a symmetrical and balanced winding architecture that requires fewer slots relative to designs that segregate all coils into separate slots. | 12-31-2015 |
20160047676 | Position Measurement System Having Receiver Coils Which Are Differentially Interconnectable Via Switching Means - A position measurement system including a material measure and a scanning device movable relative to one another with respect to a measurement direction. The material measure has a plurality of markings which are arranged in a row with respect to the measurement direction, wherein the scanning device includes a transmitter winding arrangement. Multiple receiver coils are provided which are arranged in a row with respect to the measurement direction. The inductive coupling between the transmitter winding arrangement and the receiver coils is a function of the position of the scanning device with respect to the material measure. The transmitter winding arrangement defines multiple separate transmitter areas which are arranged in a row with respect to the measurement direction. A maximum of one single receiver coil is situated in each of the transmitter areas. At least one switching means is provided via which the two adjacent receiver coils are differentially interconnectable. | 02-18-2016 |
20160061632 | NON-CONTACT SENSING MODULE AND METHOD OF MANUFACTURING THE SAME - A non-contact sensing module includes a coil printed circuit board in which a reference pattern coil may be formed at an upper surface and in which a sensing pattern coil may be formed at a lower surface and that has a mounting hole at the center, and a main printed circuit board that may be coupled to the mounting hole and that may be vertically disposed at an upper surface of the coil printed circuit board and that may be electrically connected to the reference pattern coil and the sensing pattern coil. | 03-03-2016 |
20160061759 | METHOD FOR MANUFACTURING AN INDUCTIVE CONDUCTIVITY SENSOR AND INDUCTIVE CONDUCTIVITY SENSOR - A method for manufacturing an inductive conductivity sensor, wherein on both sides of a circuit board coils are placed surrounding an opening of the circuit board, and the circuit board with the coils is inserted into a housing. A sleeve is inserted through a first opening of the housing through the opening of the circuit board into the housing. The sleeve includes a first end section and a second end section and the sleeve is inserted with the first end section first into the housing, and wherein the sleeve is welded with the housing by means of a sonotrode by ultrasonic welding. Both the first end section as well as also the second end section of the sleeve are welded with the housing, wherein the sonotrode is applied exclusively on the sleeve on the side of the second end section. The invention relates further to an inductive conductivity sensor. | 03-03-2016 |
20160061760 | METHOD FOR MANUFACTURING AN INDUCTIVE CONDUCTIVITY SENSOR AND AN INDUCTIVE CONDUCTIVITY SENSOR - A method for manufacturing an inductive conductivity sensor, with coils on both sides of a circuit board are placed surrounding an opening of the circuit board. The circuit board with the coils is inserted into a housing, wherein a sleeve is inserted in the housing through a second opening of the housing through the opening of the circuit board out to a first opening. The first opening, the second opening and the opening of the circuit board are aligned with one another, wherein the sleeve includes a first end section and a second end section and the sleeve is inserted with the first end section first in the housing, and wherein the sleeve is welded with the housing by means of a sonotrode by ultrasonic welding. The first end section of the sleeve is welded with the housing and with a counterpart inserted into the first opening. The invention relates further to an inductive conductivity sensor. | 03-03-2016 |
20160074786 | FILTERS, FILTER ASSEMBLIES, FILTER SYSTEMS AND METHODS FOR IDENTIFYING INSTALLATION OF QUALIFIED FILTER ELEMENTS - A filter assembly has a qualified filter element that filters fuel, a filter housing for the qualified filter element and a water-in-fuel sensor that senses presence of water in the filter housing. An electrical resistance of the water-in-fuel sensor changes based upon whether the qualified filter element is installed in the housing. A filter assembly can also have a plurality of magnetic elements disposed on at least one of the filter housing and the qualified filter element. A plurality of wires are disposed on at least the other of the filter housing and the qualified filter element. The control circuit determines that the qualified filter element is installed in the filter housing based on a change in the electrical current in the plurality of wires. | 03-17-2016 |
20160077027 | UTILIZATION OF AIRCRAFT BONDLINE EMBEDDED CURRENT SENSORS IN THE DETERMINATION OF A LIGHTNING DAMAGE INDEX - Systems, methods, and apparatus for using aircraft bondline embedded current sensors to determine a lightning damage index are disclosed. A method of predicting lightning strike damage to at least one type of aircraft involves sensing, with at least one current sensor node embedded in at least one type of aircraft, induced current. The method further involves generating, with at least one current sensor node, at least one current signal representative of the induced current. Also, the method involves determining, electromagnetic density data associated with at least one region of at least one type of aircraft by using at least one current signal. Further, the method involves creating an index that provides a numeric representation for predicted lightning strike damage to at least one type of aircraft based on the electromagnetic density data, dimensions of at least one type of aircraft, and design features of at least one type of aircraft. | 03-17-2016 |
20160091296 | METHOD FOR DETECTING A STRAND GAP IN FIBER FABRIC AND A DEVICE FOR ITS IMPLEMENTATION - A method for detecting a spacing defect between two adjacent strands of a layer of a fiber fabric includes displacement of an inductive sensor relative to the fiber fabric, and identification of a defect based on a signal generated by the inductive sensor. The invention also relates to a device for its implementation. | 03-31-2016 |
20160091343 | ROBUST ROTARY ENCODER FOR POWER TOOL - A displacement sensor for a power tool includes: a stator element, having a first conductive pattern, and a rotor element, having a second conductive pattern, for relative movement along a measurement path, wherein the first and second conductive patterns are mutually inductively coupled so that the first conductive pattern receives an excitation signal and the second conductive pattern generates an intermediate signal. The intermediate signal indicates relative displacement between the stator and rotor elements, wherein the excitation signal is a constant amplitude high-frequency signal. A signal processor circuit receives and processes a single phase receive signal corresponding to the intermediate signal to provide an output signal indicating relative displacement between the rotor and stator elements. A phase detector circuit processes the single phase receive signal to detect a phase difference between the receive signal and a reference signal corresponding to the excitation signal to provide the output signal. | 03-31-2016 |
20160091448 | APPARATUS AND METHOD FOR MEASURING ELECTROMAGNETIC PROPERTIES - At least one of apparatus ( | 03-31-2016 |
20160380487 | SYSTEMS, METHODS AND APPARATUSES FOR GUIDANCE AND ALIGNMENT IN ELECTRIC VEHICLES WIRELESS INDUCTIVE CHARGING SYSTEMS - An apparatus for determining a relative position of a wireless power transmitter from a wireless power receiver is provided. The apparatus comprises a plurality of sense coils, each configured to generate a respective voltage signal under influence of a first alternating magnetic field oscillating at two frequencies and a second alternating magnetic field oscillating at at least one frequency. The apparatus further comprises a processor configured to determine the relative position of the wireless power transmitter from the wireless power receiver based on the respective voltage signal from each of the plurality of sense coils. | 12-29-2016 |