|Electricity: measuring and testing patents - Monitor Patents|
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Electricity: measuring and testing October categorized by USPTO classification 10/09Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 10/30/2009 > patent applications in patent subcategories.
10/23/2009 > patent applications in patent subcategories.
10/15/2009 > patent applications in patent subcategories.
20090256548 - Electronic identification device and method: An electronic identification device for identifying, among conductors of a wiring system including multiple conductors, at least one conductor that is series-connected to a magnetically controlled switch The device comprises a test connector having pins that are connected to respective conductors to be tested, a microcontroller commanding, in a predetermined... Agent: Leydig Voit & Mayer, Ltd
20090256549 - Controlling method of calibrating the air-core pointer assembly and device thereof: A controlling method and a device are disclosed to calibrate a pointer assembly of an air-core meter. The pointer assembly of the instrument includes a calibrating magnet, a cosine coil, a sine coil and a pointer. According to the polarity of the return-to-zero magnetic field established by the calibrating magnet,... Agent: Hershkovitz & Associates, LLC
20090256550 - Wheel speed detecting apparatus and a wheel bearing apparatus incorporated with a wheel speed detecting apparatus: A wheel speed detecting apparatus incorporated with a wheel bearing apparatus. The wheel speed detecting apparatus has an encoder, and an annular sensor holder arranged opposite to the encoder. The sensor holder has an annular fitting member formed from a steel plate. A holding portion is integrally molded with the... Agent: Harness, Dickey & Pierce, P.L.C
20090256551 - Rolling bearing with rotational speed sensor: The magnetic member 12 of the magnetic encoder 11 is made of a magnetic material bound by rubber. The magnetic member 12 is bonded to an annular presser member 8 which also serves as a metal core by means of an adhesive 13, thus eliminating the need for a mold... Agent: Wenderoth, Lind & Ponack, L.L.P.
20090256552 - Gear tooth sensor with single magnetoresistive bridge: The invention discloses a rotation sensor suitable for gear wheels. MR (magneto-resistive) sensors are placed inside a zero field region generated by at least two permanent magnets. Said sensors are divided into two groups that are immersed in different locally generated magnetic environments. A differential signal taken between the two... Agent: Saile Ackerman LLC
20090256553 - Magnetoresistive array design for improved sensor-to-magnet carrier tolerances: An AMR array magnetic position sensing method and system for improving sensor-to-magnet carrier misposition. A magnetic carrier can be provided, which maintains two or more magnets with angled magnetic vectors position above an array of AMR array sensors. The magnet carrier can then be passed over the AMR array sensors... Agent: Honeywell International Inc. Patent Services
20090256555 - Linear inductive position sensor: A linear position sensor having a transmitter coil which generates electromagnetic radiation when excited by a source of electrical energy and wound in a first direction. A receiver coil is contained within the transmitter coil and the receiver coil includes both a first loop wound in a first direction and... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c
20090256554 - Position measuring apparatus: A position measuring apparatus includes (a) a sleeve that has an open first end and a second end opposite the first end, (b) a guide pin guided at least partly in the sleeve, (c) a spring, (d) a linear magnetic field sensor and (e) a magnet disposed adjacent to the... Agent: Kramer Levin Naftalis & Frankel LLP Intellectual Property Department
20090256556 - Measuring arrangement for detecting a 1/rotary momentum of an engine rotor, and associated method: A measurement system for detecting a rotary movement of a rotor that is situated in particular in rotatable fashion in a compressor housing of a jet engine, includes the rotor having vane elements that are preferably situated equidistant from one another on its periphery, and in addition at least one... Agent: Greer, Burns & Crain
20090256557 - Testing method of magnetic head by using inductance: It is an object of the present invention to provide a method for investigating magnetic domains, the method capable of easily grasping behavior of the magnetic domains in a head manufacturing process, and further to provide a testing method of a magnetic head capable of evaluating whether the writing performance... Agent: Oliff & Berridge, PLC
20090256558 - Film thickness measuring apparatus and film thickness measuring method: Coil is made to be disposed with gap opposed to the surface of wafer, and wafer stage is made to move in X and Y direction and R and θ direction. When supplying an alternating current to coil with the frequency swept by impedance analyzer, the magnetic field made to... Agent: Paul A. Fattibene Fattibene & Fattibene
20090256559 - Hall effect device and method: A semiconductor device including a Hall effect sensor and related method. The Hall effect device includes a substrate having a first conductivity type and an epitaxial layer having a second conductivity type defining a Hall effect portion. A conductive buried layer having the second conductivity type is situated between the... Agent: Dicke, Billig & Czaja
20090256560 - Sensor system embedded in metal: A sensor system, which can be embedded in a metal bed or metal face and has a good performance, has been demanded. A sensor system arranged in the following manner fulfills the above-mentioned demand. When the sensor system employs a square bracket shaped magnetic substance core, a magnetic path is... Agent: James C. Wray
20090256561 - Integrated microchip incorporating atomic magnetometer and microfluidic channel for nmr and mri: An integral microfluidic device includes an alkali vapor cell and microfluidic channel, which can be used to detect magnetism for nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI). Small magnetic fields in the vicinity of the vapor cell can be measured by optically polarizing and probing the spin precession... Agent: Lawrence Berkeley National Laboratory
20090256562 - Nmr method of detecting precipitants in a hydrocarbon stream: A method for detecting the presence of precipitants in a hydrocarbon stream, the method comprising introducing at least a portion of the hydrocarbon stream into a measurement chamber of an NMR measuring device, assaying the fluids in the chamber with proton nuclear magnetic resonance to obtain NMR signals, and processing... Agent: Conley Rose, P.C.
20090256564 - Magnetic resonance radio frequency system and operating method therefor: In a method for processing radio frequency signals of a magnetic resonance imaging system in which the coil portion of the magnetic resonance imaging system includes a body coil and a local coil, radio frequency signals are supplied to the body coil, and these radio frequency signals are coupled to... Agent: Schiff Hardin, LLP Patent Department
20090256566 - Medical imaging method and system with automated association of images with measurement sequences: A medical imaging system is operated corresponding to a measurement sequence to acquire data of an examination subject. A control device associates a reference to the measurement sequence with the acquired data and stores the acquired data including the associated reference. The control device determines an image of the examination... Agent: Schiff Hardin, LLP Patent Department
20090256565 - Method and system for reconstructing images: A method for reconstructing an image in a magnetic resonance imaging system is provided. The method includes steps of acquiring magnetic resonance signals from a plurality of receiver coils placed about a subject, each receiver coil having a coil sensitivity, iteratively polling each acquired magnetic resonance signal for determining one... Agent: General Electric Company Global Research
20090256563 - Preparing the magnetization state of a sample for alternating repetition time steady state free precession magnetic resonance imaging: Techniques and systems for magnetic resonance imaging. In one aspect, preparatory pulse sequences precede alternating repetition time steady state free precession (ATR SSFP) pulse sequences to enable image acquisition before reaching a steady-state equilibrium. The design of the preparatory sequences is based on a two step process: First an oscillatory... Agent: Fish & Richardson, PC
20090256568 - System and method for correcting flow velocity measurements in phase contrast imaging using magnetic field monitoring: A system and method of phase contrast imaging includes a system control programmed to acquire a first set of data and a second set of data via the RF coil assembly during a scan and acquire a third set of data and a fourth set of data via the plurality... Agent: General Electric Company Global Research
20090256567 - Three-point method and system for fast and robust field mapping for epi geometric distortion correction: A system and method for MR magnetic field mapping includes a computer programmed to acquire a first data point at a first location in a first phase image data set, a second data point at the first location in a second phase image data set, a third data point at... Agent: Ziolkowski Patent Solutions Group, Sc (gems)
20090256570 - Method for joint sparsity-enforced k-space trajectory and radiofrequency pulse design: A system and method is provided for simultaneously designing a radiofrequency (“RF”) pulse waveform and a magnetic field gradient waveform in a magnetic resonance imaging (“MRI”) system. The method includes determining a desired pattern of RF excitation and determining, from the desired pattern of RF excitation, a plurality of k-space... Agent: Quarles & Brady LLP
20090256569 - Multi-frequency rf coil: A multi-frequency imaging radio frequency (RF) coil operational at three or more different frequencies, with a shifting frequency loop structure proximate the coil and switchably coupled to provide different frequencies when the loop structure is coupled to the coil. In one embodiment one of the frequencies is a proton frequency,... Agent: General Electric Company Global Research
20090256571 - Magnetic resonance apparatus with rf amplifier(s) disposed within the spaced distance between the primary and secondary gradient coil windings: An arrangement for controlling an antenna arrangement in a magnetic resonance device has an antenna arrangement that surrounds an examination region and that has at least one antenna element for emitting an amplified transmit signal. At least one amplifier is provided, at the input of which a high-frequency transmit signal... Agent: Schiff Hardin, LLP Patent Department
20090256572 - Tuning low-inductance coils at low frequencies: A method and apparatus for tuning and matching extremely small sample coils with very low inductance for use in magnetic resonance experiments conducted at low frequencies. A circuit is disclosed that is appropriate for performing measurements in fields where magnetic resonance is beneficially utilized. The circuit has a microcoil, an... Agent: Davis Wright Tremaine LLP - San Francisco
20090256573 - Magnetic resonance imaging system, apparatus and associated methods: In one aspect, a magnet comprising a pair of pole supports spaced apart from one another and extending in a generally horizontal direction. The magnet includes a pair of flux return members extending between the pole supports so as to define a frame, each of the flux return members including... Agent: Lerner, David, Littenberg, Krumholz & Mentlik
20090256574 - Transmission path for use in rf fields providing reduced rf heating: A transmission path (2) comprising an electrically conductive link or connection lead or line or cable (21) is disclosed, which path is or can be made RF safe (especially with respect to heating due to standing waves) when guided through RF electrical and/or magnetic fields especially of a MR imaging... Agent: Philips Intellectual Property & Standards
20090256575 - Electrolocation apparatus and methods for mapping from a subterranean well: In some embodiments, apparatus useful for determining at least one dimension of at least one geological feature of an earthen formation from a subterranean well bore includes at least two emitting electrodes and at least one sensing electrode disposed in the well bore. The emitting electrodes are configured to create... Agent: Jones & Smith , LLP
20090256576 - Apparatus and method for ground fault detection and location in electrical systems: The present invention is implemented by deploying an enhanced ground fault detection and location apparatus and by using the apparatus in conjunction with specific circuit analysis methods, using the information generated by the ground fault detection and location apparatus. The ground fault detection and location apparatus comprises the functionality of... Agent: Wright Law Group, PLLC
20090256577 - Delay lock loop circuit, timing generator, semiconductor test device, semiconductor integrated circuit, and delay amount calibration method: A method replaces a delay amount measurement in which an initially set value of a counter is determined by a technique which replaces measurement of a delay amount, whereby a time required for calibration of a delay circuit can be reduced. One counter set value of a plurality of counter... Agent: Muramatsu & Associates
20090256578 - Anti-pinch sensor: An anti-pinch sensor, particularly for detecting an obstacle in the path of an actuating element of a motor vehicle is provided, having a sensor body, a measuring electrode, which is disposed in the sensor body and to which a measuring potential can be applied, a calibrating electrode, which is electrically... Agent: Muncy, Geissler, Olds & Lowe, PLLC
20090256579 - Self-checking analyzer method and system using reflected power/insertion loss: A self-checking analyzer system is provided according to an embodiment of this disclosure. The analyzer system includes a pipeline for receiving a multi-phase fluid flow. The analyzer system also includes a first measuring device configured to provide a first reflected power/insertion loss measurement corresponding to the multi-phase fluid flow, and... Agent: Docket Clerk
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... Agent: Harness, Dickey & Pierce, P.L.C
20090256581 - Solar parametric testing module and processes: Embodiments of the present invention generally relate to a module that can test and analyze various regions of a solar cell device in an automated or manual fashion after one or more steps have been completed in the solar cell formation process. The module used to perform the automated testing... Agent: Patterson & Sheridan, LLP - - Appm/tx
20090256582 - Test circuit board: A test circuit board used for disposing at least one device under test is disclosed. The circuit board transmits a plurality of testing signals generated by a tester to test the device under test. The test circuit board includes a circuit board, a plurality of transforming slots, a plurality of... Agent: Muncy, Geissler, Olds & Lowe, PLLC
20090256583 - Vertical microprobes for contacting electronic components and method for making such probes: Multilayer probe structures for testing or otherwise making electrical contact with semiconductor die or other electronic components are electrochemically fabricated via depositions of one or more materials in a plurality of overlaying and adhered layers. In some embodiments the structures may include configurations intended to enhance functionality, buildability, or both.... Agent: Microfabrica Inc. Att: Dennis R. Smalley
20090256584 - Gap inspection apparatus: An apparatus for inspection of a gap between two surfaces, at least one of which is ferromagnetic, for example in a generator, includes a sensor platform (26) for one or more sensors (26a) and an elongated mount (23), which can be moved out, for the sensor platform (26). The mount... Agent: Cermak Kenealy Vaidya & Nakajima LLP10/08/2009 > patent applications in patent subcategories.
20090251126 - Liquid concentration measuring device: A liquid concentration measuring device has first and second switches, which are turned on and off at two frequencies. When the first switch is turned on and the second switch is turned off, a detection electrode pair is charged. When the first switch is turned off and the second switch... Agent: Nixon & Vanderhye, PC
20090251128 - Method and system for measuring the zeta potential of the cylinder's outer surface and the inside surface of the tube: The present invention discloses methods and systems for measuring the zeta potential of the cylinder's outer surface and the inside surface of the tube. In the measuring cell for measuring the zeta potential of the cylinder's outer surface, the cylinder is placed coaxially inside the reference tube, and the channel... Agent: Wpat, PC
20090251127 - Power management connection devices and related methods: Embodiments of power management connection devices and related methods are described herein. Other embodiments and related methods are also disclosed herein... Agent: Bryan Cave LLP
20090251129 - Frequency measurement device and measurement method: A frequency measurement device includes: a short gate time counter section that continuously measures a pulse stream signal supplied, and outputs a series of count values that behave like a pulse stream corresponding to a frequency of the pulse stream signal; and a low-pass filter that removes high frequency components... Agent: Oliff & Berridge, PLC
20090251130 - Multimeter having communications via measurement terminals and communication system for same: A multimeter having measurement terminals and configured to receive measurement signals applied to the measurement terminals and a measurement value and also configured to receive communication signals applied to the measurement terminals and extract encoded information from the communication signals. The multimeter can be included in a multimeter communication system... Agent: Dorsey & Whitney LLP Intellectual Property Department
20090251131 - Inverted magnetic isolator: A current determiner comprising a first input conductor and a first current sensor, formed of a plurality of magnetoresistive, anisotropic, ferromagnetic thin-film layers at least two of which are separated from one another by a nonmagnetic layer positioned therebetween, and both supported on a substrate adjacent to but electrically isolated... Agent: Kinney & Lange, P.A.
20090251132 - Rotor for rotation sensor: A rotor for a rotation sensor may be mounted on a bearing that supports a wheel on an automotive vehicle so that it can detect the number of revolutions for the wheel. The rotor for a rotation sensor 1 includes a reinforcing ring 2 formed like an L-shape in cross... Agent: Wenderoth, Lind & Ponack, L.L.P.
20090251133 - A sensor holder and a wheel bearing apparatus incorporated with a wheel speed detecting apparatus: A sensor holder has an encoder and a wheel speed sensor arranged opposite to the encoder, via a predetermined air gap. An annular fitting member is formed by pressing an anti-corrosive steel plate. A holding portion is formed of injection moldable synthetic resin and is integrally formed with the annular... Agent: Harness, Dickey & Pierce, P.L.C
20090251134 - Rotation detection apparatus: A rotation detection apparatus for detecting a rotation state of a gear is disclosed. The rotation detection apparatus includes a magnetic sensor, a magnetic filed generation unit, and a self-diagnosis unit. The sensor includes: a bias magnet for generating a bias magnetic field extending toward the gear; and a magnetic-electric... Agent: Posz Law Group, PLC
20090251135 - Method for evaluating soi wafer: The present invention relates to a method for evaluating the SOI wafer in a method for evaluating an SOI wafer in which a sheet resistance of a buried diffusion layer of an SOI wafer that has at least an SOI layer on an insulator layer and has a buried diffusion... Agent: Oliff & Berridge, PLC
20090251136 - Attraction and repulsion of magnetic of magnetizable objects to and from a sensor surface: The present invention provides a magnetic sensor device a first magnetic field generating means (21a, 21b) for attracting magnetic or magnetizable objects (22), e.g. magnetic particles, to a sensor surface (23) and a second magnetic field generating means (25) for, in combination with the first magnetic field, repelling magnetic or... Agent: Philips Intellectual Property & Standards
20090251137 - Method for determining the layer thickness of an electrically conductive coating on an electrically conductive substrate: An embodiment of the present invention discloses a method for determining the layer thickness of an electrically conductive coating which is applied on an electrically conductive substrate of a test object. First, the induced voltage of an eddy current sensor is collected in the air as a function of the... Agent: Harness, Dickey & Pierce, P.L.C
20090251138 - Metal detector: An exemplary metal detector includes a detecting circuit, a SCM, a converting circuit, and a cymometer. The SCM cooperates with the detecting circuit to generate a current signal with a specific frequency, the converting circuit transforms the current signal received from the SCM to a voltage signal, and the cymometer... Agent: PCe Industry, Inc. Att. Steven Reiss
20090251139 - Magnetic field-sensitive component comprising a diluted magnetic semiconductor, devices incorporating same and use method: The invention concerns a magnetic field-sensitive component, a magnetic field sensing device and a memory structure each incorporating said component, and a method for detecting a magnetic field using said component. A component according to the invention comprises: at least one diluted magnetic semiconductor, first means for generating an electric... Agent: Alston & Bird LLP
20090251141 - Magnetic resonance system and operating method therefor: A magnetic resonance system has a number of components including a basic magnetic field generation unit, gradient coils as well as a radio-frequency coil arrangement. The components are respectively controllable according to a control sequence via at least one digital module and at least one analog module. The analog modules... Agent: Schiff Hardin, LLP Patent Department
20090251140 - Method and apparatus for generating t2* weighted magnetic resonance images: A method for generating a susceptibility (or T2*) weighted magnetic resonance (MR) image includes defining a pulse sequence having a plurality of gradient echoes and acquiring MR data for each of the plurality of gradient echoes. A weighting function is applied to image data for each gradient echo such as... Agent: Peter Vogel Ge Healthcare
20090251142 - Magnetic resonance imaging apparatus: The MRI apparatus of the present invention executes a non-imaging mode 501 for obtaining a steady state of magnetization and an imaging mode 502 for measuring echoes for images. In the non-imaging mode 501 and the imaging mode 502, imaging is performed by using a GrE type pulse sequence. In... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090251143 - Magnetic resonance imaging apparatus and magnetic resonance imaging method: A magnetic resonance imaging apparatus includes a data acquisition unit and an image data generating unit. The data acquisition unit acquires data according to a sequence derived by adding a coherent control pulse on a Steady-State Free Precession pulse sequence for repeating plural radio frequency excitations with a constant interval.... Agent: Nixon & Vanderhye, PC
20090251145 - High frequency magnetic field coil and magnetic resonance imaging apparatus with the same: An RF coil for MR Imaging that can change a resonance frequency easily and instantaneously in response to a nuclide to be imaged without exchange and adjustment and that also causes only small lowering of sensitivity. The RF coil has a sub coil for changing a resonance frequency of the... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090251144 - Magnetic resonance imaging system and method: The present invention relates to a magnetic resonance imaging system (1) comprising a plurality of RF coils (4) forming a multi-coil array and furthermore to a magnetic resonance imaging method for such a system. In order to provide an MR imaging system and method in which a desired excitation pattern... Agent: Philips Intellectual Property & Standards
20090251146 - Detection of porphyry copper deposit using natural electromagnetic fields: A method for identifying a possible porphyry copper deposit which includes flying an airborne sensor over a survey area measuring natural electromagnetic fields in the survey area, and then determining, in dependence on the measured natural electromagnetic fields, if one or more sub-areas in the survey area have a resistivity... Agent: Faegre & Benson LLP Patent Docketing - Intellectual Property
20090251147 - Apparatus for testing performance of car audio system: An apparatus for testing switches of a vehicle audio system includes contact bars. In use, a front end of each contact bar contacts either one of the switches, or a portion of the surface of the audio system. A front end of an extension bar is connected to a rear... Agent: Morgan, Lewis & Bockius LLP (sf)
20090251148 - Protective device with end-of-life indication before power denial: The present invention is directed to an electrical wiring device that includes an automatic self-test assembly coupled to the plurality of line terminals or the plurality of load terminals, the detection circuit, the fault detection circuit and the circuit interrupter assembly. The automatic self-test assembly is configured to cause the... Agent: Bond, Schoeneck & King, PLLC
20090251149 - Battery tester: A battery tester engages a power tool battery and includes a housing having a cavity for receiving a stem of the power tool battery. The battery tester has a plurality of electrically conductive contacts disposed in the cavity and is configured to engage corresponding battery electrodes on the stem. A... Agent: Michael, Best & Friedrich LLP
20090251150 - Method and apparatus for measuring electrochemical properties: Apparatus for measuring electrochemical properties of materials, and methods of measuring electrochemical properties of materials, are provided.... Agent: Fish & Richardson P.C.
20090251151 - Method for evaluating battery, and evaluation apparatus therefor: A battery evaluation method includes: determining a weighting coefficient to be assigned to each of performance capabilities of a battery for each field of application where the battery is used; making amendments to results of measurement of the respective performance capabilities acquired from the battery by means of the weighting... Agent: Birch Stewart Kolasch & Birch
20090251152 - Method and device for monitoring and/or determining the condition of a measuring probe: The condition of an electrochemical measuring probe (1) such as for example a pH-measuring probe, an oxygen-measuring probe, or a CO2-measuring probe is monitored and/or controlled. The measuring probe (1) has at least one electrode (EL) and is suitable for measuring the ion concentration of a process material (6). A... Agent: Standley Law Group LLP
20090251153 - Mimo tester: A multiple input multiple output (MIMO) tester tests various communication parameters of a MIMO device. The MIMO tester includes a first attenuation circuit, a switch circuit, a controlling circuit, and a divider circuit. The first attenuation circuit adjusts an equivalent resistance of the MIMO tester, wherein the first attenuation circuit... Agent: PCe Industry, Inc. Att. Steven Reiss
20090251154 - System and method for testing winding insulation resistance: A power electronics system configured to determine a condition of a winding insulation is disclosed. The system may include at least one capacitor, and a first resistance coupled to the at least one capacitor. The system may further include a plurality of electronic switching devices coupled to at least the... Agent: Caterpillar/finnegan, Henderson, L.L.P.
20090251155 - On-chip cell migration detection: Techniques, systems and apparatus are disclosed for detecting impedance. In one aspect, a microelectrode sensing device includes a substrate and an array of microelectrode sensors formed on the substrate. Each sensor includes at least one conductive layer formed above the substrate and patterned to include a counter electrode and multiple... Agent: Fish & Richardson, PC
20090251156 - Method and system that determines the value of a resistor in linear and non-linear resistor sets: The present invention employs identically sized mirror transistors arrange in groups that may be preferentially addressed and activated to determine the value of a resistor. Known current are directed through the resistor, and the voltage developed is measured by comparing against a reference voltage. The current is increased or decreased... Agent: Cesari And Mckenna, LLP
20090251157 - Methods for measurement and characterization of interferometric modulators: Various methods are described to characterize interferometric modulators or similar devices. Measured voltages across interferometric modulators may be used to characterize transition voltages of the interferometric modulators. Measured currents may be analyzed by integration of measured current to provide an indication of a dynamic response of the interferometric modulator. Frequency... Agent: Knobbe, Martens, Olson & Bear, LLP
20090251158 - System and method for quality assurance of a biosensor test strip: The present invention provides a test strip for measuring a signal of interest in a biological fluid when the test strip is mated to an appropriate test meter, wherein the test strip and the test meter include structures to verify the integrity of the test strip traces, to measure the... Agent: Woodard, Emhardt, Moriarty, Mcnett & Henry LLP
20090251159 - Device and method for analyzing defects, particularly for items made of plastics: A device for analyzing defects, particularly for items made of plastics, such as battery casings and the like, comprising at least one probe, which is adapted to be moved closer to, or to come into contact with, the item made of plastics to be tested, the probe being provided with... Agent: Modiano & Associati
20090251161 - Module for test device for testing circuit boards: A module for a tester for the testing of circuit boards is described. Such testers have a basic grid on which an adapter and/or a translator may be arranged in order to connect contact points of the basic grid with circuit board test points of a circuit board to be... Agent: Houston Eliseeva
20090251160 - Semiconductor integrated circuit wafer, semiconductor integrated circuit chip, and method of testing semiconductor integrated circuit wafer: A semiconductor integrated circuit wafer includes: a plurality of semiconductor integrated circuit regions each of which includes a semiconductor integrated circuit formed thereon; a scribe region which separates the semiconductor integrated circuit regions adjacent to each other; a build in self test (BIST) circuit which is provided in the scribe... Agent: Sughrue Mion, PLLC
20090251162 - Wireless test cassette: A base controller disposed in a test cassette receives test data for testing a plurality of electronic devices. The base controller wirelessly transmits the test data to a plurality of wireless test control chips, which write the test data to each of the electronic devices. The wireless test control chips... Agent: N. Kenneth Burraston Kirton & Mcconkie
20090251163 - Alignment method, tip position detecting device and probe apparatus: An alignment method is used in implementation of electric characteristic inspection of an object to be inspected via electric contact between the object disposed on a movable mounting table and probes. The alignment method includes detecting tip positions of the probes by using the tip position detecting device, detecting the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090251164 - Process and temperature insensitive flicker noise monitor circuit: In an apparatus and method for monitoring defects in wafers, a monitoring circuit is fabricated on an area of each one of the wafers. The monitoring circuit includes representative devices that replicate similar devices located in a die area of the wafers. Defects if present in the representative devices contribute... Agent: Texas Instruments Incorporated
20090251166 - Ball grid array connection monitoring system and method: A system for monitoring the connection on an integrated circuit ball grid array (BGA) comprises a connection indicator circuit coupled to at least one monitor pin of the BGA and configured to detect a pin connection failure of the BGA based on a signal change associated with the at least... Agent: Hewlett-packard Company Intellectual Property Administration
20090251165 - Method for continuity test of integrated circuit: The present invention provides a method for continuity test of integrated circuit. By using both pins of integrated circuit to measure a current of an electrostatic discharge device, the contact resistance of the integrated circuit can be obtained by calculating. The method comprises the steps: First, a DUT (device under... Agent: Stout, Uxa, Buyan & Mullins LLP
20090251167 - Array-based early threshold voltage recovery characterization measurement: A method and test circuit provide measurements to aid in the understanding of time-varying threshold voltage changes such as negative bias temperature instability and positive bias temperature instability. In order to provide accurate measurements during an early stage in the threshold variation, a current generating circuit is integrated on a... Agent: Ibm Corporation (mh) C/o Mitch Harris, Attorney At Law, L.L.C.10/01/2009 > patent applications in patent subcategories.
20090243583 - Compact line illuminator for locating buried pipes and cables: A compact line illuminator for applying an oscillating signal to buried or otherwise inaccessible pipes, cables and conductors so that their location can be traced by detecting an electromagnetic signal emitted by these buried objects. The illuminator includes a circuit for generating a signal suitable for tracing a buried conductor... Agent: Michael H Jester
20090243584 - Fabrication of microstructures integrated with nanopillars along with their applications as electrodes in sensors: This invention presents microstructures enhanced with nanopillars. The invention also provides a novel way for manufacturing nanopillar-enhanced microstructures, using conventional microfabrication techniques. In some embodiments, the invention also provides methods of use for the nanopillar-enhanced microstructures.... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.
20090243585 - Systems for inspection of shrouds: A system to measure thickness of a shroud is provided. The system includes at least one resistive element embedded within the shroud. The system also includes an impedance measurement device that measures a total resistance associated with the at least one resistive element.... Agent: General Electric Company Global Research
20090243586 - Apparatus for testing a protective meausring or metering device as a constituent part of a high or medium voltage installation, more specifically of a utility protective relay, of a generator protective device, of a current meter, and so on, in a high or: The subject matter of the invention is an apparatus for testing a protective, measuring or metering device as a constituent part of a high or medium voltage installation, more specifically of a utility protective relay, of a generator protective device, of a current meter and so on in a high... Agent: Pyle & Piontek, LLC
20090243587 - Method and apparatus for measuring ac voltages: A method and apparatus for providing AC voltage measurements. The apparatus comprises an AC voltage monitor for determining at least a first and a second voltage representing an AC voltage of an AC circuit, generating a serial data stream frame comprising data representing the at least a first and a... Agent: Raymond R. Moser Jr., Esq. MoserIPLaw Group
20090243588 - Semiconductor device: A device includes a measurement target circuit including a first circuit, a switch provided to a measurement node of the first circuit and a second circuit connected to the measurement node of the first circuit through the switch; and a current measuring circuit including a reference current source group connected... Agent: Arent Fox LLP
20090243589 - Surface-plasmon detector based on a field-effect transistor: According to one embodiment, a surface-plasmon (SP) beam generated by an SP source and directed via an SP waveguide is applied to a gate node of a field-effect transistor (FET). The FET also has a source node and a drain node. In a representative configuration, the gate, source, and drain... Agent: Mendelsohn, Drucker, & Associates, P.C.
20090243590 - System and method for monitoring current in a conductor: The present disclosure describes a system for measuring current amplitude in a conductor, comprising at least one Rogowski coil, an integration circuit directly connected to the at least one Rogowski coil, a microprocessor circuit in communication with the integration circuit and configured to receive output from the integration circuit and... Agent: General Electric Company Ge Global Patent Operation
20090243591 - Power meter having complex quadrature output current and voltage filters: A power meter having complex quadrature output current and voltage filters provides power measurements in high amplitude and frequency variation and/or high jitter environments without requiring high computational overhead. A pair of filters, one for voltage and one for current each have a response determined by complex non-conjugate poles. The... Agent: Mitch Harris, LLC - Cirrus
20090243592 - Measuring device with negative-feedback dc voltage amplifier: A measuring device having a detector with at least one detector element and, connected downstream of the detector, a DC voltage amplifier with at least one input (and at least one output. The DC voltage amplifier provides at least one negative-feedback path, which extends from its at least one output... Agent: Ditthavong Mori & Steiner, P.C.
20090243593 - Electrical metering device: An electrical metering device (1) include a housing (2) with a back face (20), a front face (21) and lateral faces forming a closed box, and heat generating parts (5) internal to said housing (2) in close proximity to said back face. The electrical metering device (1) is adapted to... Agent: Sofer & Haroun LLP.
20090243594 - Method and device for characterization of a magnetic field applied to a magnetic sensor: The present invention provides a magnetic sensor device comprising a plurality of magnetic sensor elements having a sensitive direction. At least one of the magnetic sensor elements (43) is provided with a flux-guide (44) for concentrating onto the sensor element in its sensitive direction a magnetic field applied to the... Agent: Philips Intellectual Property & Standards
20090243595 - Sensor module with mold encapsulation for applying a bias magnetic field: A method of manufacturing a sensor module includes providing a substrate comprising a magnetically sensitive sensor element. The sensor element and the substrate are encapsulated with at least one mold material that is configured to apply a bias magnetic field to the sensor element.... Agent: Dicke, Billig & Czaja
20090243596 - Position-measuring device and method for its operation: A position-measuring device includes a measuring standard, on which at least one graduation track is applied, and a support member. Disposed on the support member is at least one exciter winding through which an excitation current is able to be conducted in order to generate an electromagnetic field, as well... Agent: Kenyon & Kenyon LLP
20090243597 - Methods and apparatus for security device portal sensing: A security device, according to various aspects of the present invention, secures an area accessible through a portal (e.g., doorway, window opening, hatch, vent) against unreported ingress or egress (e.g., access). A security device monitors a portal or a portal cover (e.g., door, window, screen, flap) to provide reports of... Agent: Letham Law Firm, LLC
20090243598 - Position measurement using magnetic fields: A position sensing system includes a member movable along a path, the member having an elongated magnet extending along the path, the magnetic field orientation of the elongated magnet being at an angle with respect to the path. A sensor determines a position of the member along the path based... Agent: Fish & Richardson PC
20090243599 - Multiple-rotation absolute encoder: A multiple-rotation absolute encoder attached to an actuator provided with a motor and a reduction gear comprises a multiple-rotation value counter for counting a multiple-rotation value representing a number of rotations of a rotating shaft of the motor from a predetermined origin; a memory part for storing a reduction ratio... Agent: Buchanan, Ingersoll & Rooney PC
20090243600 - Rotation sensor unit: A rotation sensor unit includes an encoder, a holder radially positioning the encoder, and a rolling bearing having an inner race. The rolling bearing is fitted around the shaft so that one end of the inner diameter surface of the inner race protrudes from the end of the outer diameter... Agent: Wenderoth, Lind & Ponack, L.L.P.
20090243601 - Inductive proximity switch: Embodiments of the invention relate to a proximity switch device, a system, and methods for operating and manufacturing a proximity switch device. According to an aspect, an inductive proximity switch device includes a plurality of inductive elements.... Agent: Slater & Matsil LLP
20090243602 - Method and apparatus for testing characteristic of magnetic head: The method for testing a characteristic of a magnetic head is performed in the form of a wafer, especially in a heating state and a cooling state. The method for testing a characteristic of a magnetic head, in which a wafer including a dummy read-element having a size equal to... Agent: Greer, Burns & Crain
20090243603 - Device for measuring magnetic particles and corresponding method: The invention concerns a device for the qualitative or quantitative measurement of a magnetically labelled analyte. The device includes a coil arrangement for measuring the analyte from a sample absorbed in a test base. The coil arrangement includes at least one measuring coil and a reference coil arranged in connection... Agent: Fildes & Outland, P.C.
20090243604 - Measurement of pipe wall thickness using magnetic flux leakage signals: An apparatus comprising a processor configured to implement a method comprising obtaining a pipe profile comprising a diameter, a nominal thickness, and a material, receiving a magnetic flux leakage (MFL) indication for a pipe associated with the pipe profile, and determining a wall thickness for the pipe using the pipe... Agent: Conley Rose, P.C.
20090243605 - Intelligent eddy current array probe with embedded firing sequence memory: An intelligent eddy current array probe comprising a plurality of coil elements and an embedded non-volatile memory element is disclosed. Prior to coupling the intelligent eddy current array probe to an NDI system, a data table describing a desired firing sequence for the array probe within a given inspection operation... Agent: Ostrolenk Faber Gerb & Soffen
20090243606 - Sensor arrangement, integrated chip component with the sensor arrangement, and measurement method: A sensor arrangement has a sensor array (SA) with a first, a second, and a third sensor focus (SSP1, SSP2, SSP3), which are located along a main linear direction (L) and in which the third sensor focus (SSP3) is located in the middle between the first and second sensor foci... Agent: Cohen, Pontani, Lieberman & Pavane LLP
20090243607 - Magnetic sensor design for suppression of barkhausen noise: A semiconductor process and apparatus provide a high-performance magnetic field sensor from two differential sensor configurations (201, 211) which require only two distinct pinning axes (206, 216), where each differential sensor (e.g., 201) is formed from a Wheatstone bridge structure with four unshielded MTJ sensors (202-205), each of which includes... Agent: Ingrassia Fisher & Lorenz, P.C.
20090243608 - Magnetic field measurement method and magnetic sensor: The magnetic field measurement method has: a step of preparing a magnetic sensor which includes: a magneto-resistive effect element having a magnetization-free layer and a magnetization fixed layer, and having a longitudinal direction; and magnetic field application means, wherein the magnetization direction of the magnetization fixed layer is fixed in... Agent: Oliff & Berridge, PLC
20090243609 - Magnetic sensor element and magnetic sensor using the same: The present invention provides a fluxgate magnetic sensor element which includes: a substrate; an exciting pattern which is disposed on the substrate to generate a magnetic field; a magnetic thin film pattern for detection which is disposed adjacent to the exciting pattern; and a detection coil pattern which is disposed... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw
20090243610 - Atomic magnetometer and magnetic force measuring method: An atomic magnetometer includes a cell containing an atomic group, a pump light source, a probe light source, a mirror, and a detector. The cell is disposed between the pump light source and the mirror and between the probe light source and the detector. A pump beam emitted from the... Agent: Fitzpatrick Cella Harper & Scinto
20090243611 - Radio frequency coil with transmission line end-rings: A radio frequency coil for transmitting or receiving signals at a magnetic resonance frequency includes an arrangement of substantially parallel rungs (70, 70′, 70″) and one or more generally annular strip-type end-rings (78, 78′, 78″, 80) disposed generally transverse to the parallel rungs and connected with the rungs. Each generally... Agent: Philips Intellectual Property & Standards
20090243612 - volume coil for mri system: A volume coil for a magnetic resonance imaging system is composed of a number of coil units. In the coil, there are overlapped parts between two adjacent ones of the coil units for eliminating coupling between these two adjacent coil units. Two next-adjacent ones of the coil units, which are... Agent: Schiff Hardin, LLP Patent Department
20090243613 - Method and apparatus for utilizing time division multiple waveform transmitting: A method and apparatus of constructing a signal for a controlled source electromagnetic survey is described. In one embodiment, a method is described that includes determining a first waveform and a second waveform, the first waveform and second waveform related to a combined frequency spectrum and bandwidth associated with a... Agent: Exxon Mobil Upstream Research Company
20090243614 - Signal generator for electromagnetic surveying that produces a signal having an analog continuous waveform: To perform an electromagnetic (EM) surveying of a subterranean structure, a signal generator produces a signal having an analog continuous waveform without steps in the waveform. An antenna is responsive to the signal having the analog continuous waveform to emit an EM field to produce the EM surveying of the... Agent: Westerngeco L.L.C. Jeffrey E. Griffin
20090243615 - Inductive proximity switch and method for its operation: The invention relates to an inductive proximity switch which has a resonant circuit (Ls, C) comprising a resonant circuit transmission coil (Ls) and a capacitance (C), wherein the resonant circuit transmission coil (Ls) generates an alternating magnetic field which induces a mutual induction voltage in at least one receiving coil... Agent: Hoffman Warnick LLC
20090243616 - Multi-component marine electromagnetic signal acquisition method: A method for determining a component of electric field response of the Earth's subsurface to a time-varying electromagnetic field induced in the Earth's subsurface is provided. The method includes measuring electric field response along a nonlinear pattern on at least one of the Earth's surface and the bottom of a... Agent: Dewipat Incorporated
20090243617 - Method for electromagnetic geophysical surveying of subsea rock formations: A method for electromagnetic geophysical surveying of rock formations (1) under a sea-floor (3) comprising the following steps: * —towing first and second alternating field (E1, E2) emitting sources (s1, S2) in first and second depths below the sea surface, said first field (E1) having a first phase (Φ1); —said... Agent: Wenderoth, Lind & Ponack, L.L.P.
20090243618 - Method for compensating drill pipe and near-borehole effect on and electronic noise in transient resistivity measurements: Transient measurements made at two spaced apart receivers responsive to separate activation of two transmitters symmetrically disposed about the two receivers. The transmitters and receivers are on an instrument having a conductive body induces currents in the earth formation. The effect of the conductive body is removed by using deconvolving... Agent: Madan & Sriram, P.C.
20090243619 - Four-terminal electric imager for resistive muds with localized current control: An apparatus for imaging a subsurface material traversed by a borehole, the apparatus including an imaging pad deployed by a logging instrument, the pad including a plurality of measuring sets, each measuring set including a first current injector electrode, a second current injector electrode, a pair of sensor electrodes disposed... Agent: Cantor Colburn LLP- Baker Atlas
20090243620 - Method for testing circuit breakers: A method for testing low voltage power circuit breakers having an electronic trip unit which includes a display and a microprocessor for controlling various protective functions and storing settings for such functions which can be selected and performed. Entering into the test mode disables functions not necessary for the testing... Agent: Pepe & Hazard, LLP
20090243621 - Assembled battery total voltage detection circuit: An assembled battery total voltage detection circuit includes a main control circuit, a divider resistor connected between a plus terminal and a minus terminal of an assembled battery insulated from the main control circuit, and a differential amplifier circuit that amplifies voltage divided by the divider resistor. A constant electric... Agent: Crowell & Moring LLP Intellectual Property Group
20090243622 - Battery sensor unit: A battery sensor unit including a pole terminal, the terminal being electrically conductively connected to a plate-shaped carrier element and a planar measuring shunt, the shunt including a resistor element and adjoining resistor connections on both sides thereof. The carrier element is connected in an electrically conducting manner to the... Agent: Cohen, Pontani, Lieberman & Pavane LLP
20090243623 - System and method for determining a position of a single phase fault to ground in a feeder line: A system and a method for determining a position of a single phase fault to ground in a feeder line are provided. The feeder line is electrically connected to an electrical substation via a substation bus. The system includes first and second sensors electrically coupled to a transformer in the... Agent: Cantor Colburn, LLP
20090243624 - Signal measuring device: Small-scale measuring circuits (111-1qum) are arranged in m columns×q rows. The small-scale measuring circuits of each row (111-11m, 121-12m, 1q1-1qm) are connected in series. The respective rows are connected in parallel. Supplying reference signals B having different parameter values to the small-scale measuring circuits (111-11m, . . . ) connected... Agent: Sughrue Mion, PLLC
20090243626 - Amplification apparatus and amplifier failure detecting method: An amplification apparatus including a plurality of amplifiers includes a carrier amplifier, a peak amplifier including a gate bias circuit including a resistor for supplying a gate bias voltage, a comparator for outputting a resultant signal determined by comparison of a predetermined threshold voltage with a voltage across the resistor... Agent: Katten Muchin Rosenman LLP
20090243627 - Semiconductor device and operation monitoring method for semiconductor device: A semiconductor device includes a monitor including a first element coupled between a first power supply line and a second power supply line, and a load for increasing a load value between the first element and the first power supply line or the second power supply line, and a determination... Agent: Arent Fox LLP
20090243625 - Test structure to monitor the release step in a micromachining process: Electrical and visual test structures monitor the degree of removal of conductive sacrificial layers used in micromachining processes that fabricate micro-electromechanical systems (MEMS).... Agent: Brosemer, Kolefas & Associates, LLC (alu)
20090243628 - Systems and methods for online phase calibration: A system for online relative phase calibration is provided. The system includes at least one excitation source configured to generate multiple excitation signals. The system also includes at least two sensors coupled to respective ones of the at least one excitation source via a transmission line, wherein the two sensors... Agent: General Electric Company Global Research
20090243629 - Method and apparatus for mini module emi shielding evaluation: A method for mini module EMI shielding effectiveness evaluation comprises providing a test vehicle including at least one test platform. The test platform includes at least one mini emitter, a mini receiver with a reference shield, and a mini receiver with a shield under test. EMI shielding effectiveness transmission signals... Agent: Freescale Semiconductor, Inc. Law Department
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... Agent: Greenblum & Bernstein, P.L.C
20090243631 - Circuit for capacitance measurement and method therefor: A measurement method for capacitance includes the following steps. First, a voltage on at least one end of a to-be-measured capacitor is switched in response to a first set of clock signals such that a level of an integrated voltage is adjusted from a start voltage level to an end... Agent: Bacon & Thomas, PLLC
20090243632 - Capacitive sensing device and method: In a capacitive sensing device for detecting a change in capacitance of an electrode which is caused by contact with a human body, the improvement of determination speed may be enabled. M (m is an integer satisfying n≧m≧2) electrodes are selected from n (n is an integer equal to or... Agent: Mcginn Intellectual Property Law Group, PLLC
20090243633 - Capacitance sensor: A capacitance sensor, having at least one electrode is disclosed. A frequency spread signal generation circuit is coupled to the at least one electrode to apply a frequency spread signal based on a spread sequence. A periodic signal with a frequency is coupled to the at least one electrode. A... Agent: Slater & Matsil LLP
20090243634 - Capacitive sensing in an automotive mirror: An automotive mirror assembly includes a mirror and transparent substrate adjacent to the mirror. The patterned coating is attached to transparent substrate and defines at least part of capacitive element. A capacitance sensor is in communication with the patterned coating thereby allowing capacitance changes induced in the patterned coating to... Agent: Brooks Kushman P.C. / Lear Corporation
20090243635 - Analysis of thin liquid films: A novel microfluidic device has been developed to measure stability of thin liquid films of water in oil emulsions using electrochemical perturbation of interfaces. This new device can be utilized in rapid classification of de-emulsifiers used in petroleum industries. Although water/crude oil emulsions have been the primary focus of this... Agent: Christensen, O'connor, Johnson, Kindness, PLLC
20090243636 - Programmable gain trans-impedance amplifier overload recovery circuit: Embodiments of an apparatus for measuring the leakage current of capacitive components is taught. One embodiment includes a first stage amplifier configured to receive an input from a serially-connected capacitive component at an inverting input and a feedback resistor in a feedback path of the first stage amplifier. A resistance... Agent: Young Basile
20090243637 - Measuring apparatus having nanotube probe: In order to solve the above-mentioned problem, there is provided a conduction characteristics evaluation apparatus having a nanotube probe made of a nanotube coated by tiny fragments of graphene sheets to improve the wettability with respect to metal materials and then coated by a metal layer, or a conduction characteristics... Agent: Miles & Stockbridge PC
20090243638 - Receiver for recovering and retiming electromagnetically coupled data: In one embodiment, the present invention includes a system having an electromagnetic coupler probe to electromagnetically sample signals from a device under test or a link under test and a receiver, e.g., configured as an integrated circuit that is to receive the sampled electromagnetic signals from the probe and output... Agent: Trop, Pruner & Hu, P.C.
20090243639 - Circuit for multi-pads test: The present invention relates to a circuit for multi-pads test, which is used for testing a plurality of pads. The circuit comprises one or more testing circuits, a plurality of testing switches, and a plurality of pad switches. The plurality of testing switches is coupled between the testing circuits and... Agent: Sinorica, LLC
20090243640 - Conductive contact pin and semiconductor testing equipment: In a conductive contact pin brought into contact with the external electrode of a semiconductor device to conduct a test on the electrical characteristics of the semiconductor device, an upper plunger 13 which is a contact pin coming in and out of a cylindrical body is made up of a... Agent: Steptoe & Johnson LLP
20090243641 - Display device: An array substrate is provided with thereon a display area in which plural pixels are arranged in a matrix shape. Output-side mounting terminals for a source driving circuit chip, which is COG-mounted on a frame area on the outside of the display area, have a plural-row zigzag arrangement. Inspection terminals... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090243642 - Electronic device testing system and method: The invention provides a testing system and method suitable for determining whether the pins of the socket are properly connected to a printed circuit board. The testing system includes a testing signal source, a socket, a signal sensing unit, a fixing element, and an analysis unit. The signal sensing unit... Agent: Baker & Mckenzie LLP
20090243643 - Testing system module: A testing system module for testing printed circuit board (PCB) includes at least one robot having a pogo pin for moving to a testing point of the PCB; a pressure detecting unit for detecting a current pressure value on the printed circuit board; and a control system for keeping the... Agent: Nixon Peabody LLP
20090243644 - socket, test device and test method for testing electronic element packages with leads: The present invention relates to a socket, test device and test method for testing electronic element packages with leads, and particularly relates to a socket, test device and test method for testing image sensors with leads. The test device comprises a socket, a plurality of test probes and a test... Agent: Stout, Uxa, Buyan & Mullins LLP
20090243645 - Manufacturing method of a semiconductor device, a semiconductor wafer, and a test method: The present invention aims to increase the number of test elements of a TEG without increasing the area of each of slice areas. Test electrode pads are disposed in alignment in one row in each of areas separated from semiconductor chips provided over a semiconductor wafer. Test elements are formed... Agent: Miles & Stockbridge PC
20090243646 - Detecting circuit: A detecting circuit for detecting a battery having a first and second electrode, includes a contacting portion electrically connecting to the first electrode of the battery, a seesaw electrically connected to the second electrode of the battery, and an actuator electrically connecting to the second electrode of the battery. One... Agent: PCe Industry, Inc. Att. Steven Reiss
20090243647 - Non-invasive monitoring and diagnosis of electric machines by measuring external flux density: System and methods for monitoring electric machines are provided. A magnetic field associated with the electric machine is measured at one or more points external to the electric machine, wherein a respective magnetic field value is associated with each of the one or more points. The one or more measured... Agent: Sutherland Asbill & Brennan LLPPrevious industry: Electricity: power supply or regulation systems
Next industry: Electronic digital logic circuitry
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