Abstract: The present invention provides a methodology and system for formation boundary detection ahead and around of a drilling bit. By setting symmetrical design of receivers/transmitters around a transmitter/receiver and the direction of the receivers/transmitters, the system can measure the signals reflected by a formation boundary ahead of and around the drilling bit. The measured signals can be used to determine formation boundary positions.

Abstract: A probe system configured to receive a radio-frequency (RF) signal from a radio-frequency (RF) antenna includes a heater and a control circuit. The heater includes a resistive heating element routed through the probe system. An operational voltage is provided to the resistive heating element to provide heating for the probe system and the resistive heating element has an element capacitance. The control circuit is configured to determine an antenna response of the resistive heating element and determine a remaining useful life of the probe system based on the antenna response over time.

Abstract: A mobile tester is provided for “Very Low Frequency” (VLF) testing of a measurement object, which has means for generating an AC voltage which has an effective amplitude of greater than or equal to 1 kV and a frequency in the range of between 0.01 and 1 Hz, a connection element for connecting the measurement object, and means for measuring and evaluating the test voltage applied to the measurement object and the test current caused thereby. In a first operating mode, the tester autonomously carries out a VLF test using the test voltage generated. The tester also has a communication interface for emitting a synchronization signal or for receiving an externally generated synchronization signal, and the tester is set up, in a second operating mode, to synchronize the generated test voltage with the test voltage generated by at least one further tester of the same type.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a temperature sensor and a processing circuit. The temperature sensor acquires a temperature. The processing circuit calculates, based on information on an imaging sequence in which magnetic resonance imaging is to be performed, an estimated value of consumption energy of a gradient coil in a case when the imaging sequence is executed and calculates, based on the temperature acquired by the temperature sensor and the estimated value of the consumption energy, an estimated value of a temperature of the gradient coil, the temperature of the gradient coil undergoing changes as the imaging sequence is executed.

Abstract: An embedded magnetic identification assembly includes a base component formed of a material. Also included is a plurality of elements formed in an array at a surface of the base component, wherein the plurality of elements is formed of a magnetic material.

Abstract: Crosstalk between probes in a vertical probe array is reduced by providing a grounded metal carrier disposed between the guide plates of the probe array. The metal carrier includes pockets that are laterally separated from each other by the metal carrier. Probes in different pockets are thereby electrically shielded from each other.

Abstract: A display substrate, a display panel including the display substrate and a display device including the display panel are provided. The display substrate comprises a flexible circuit board and test pads, wherein the flexible circuit board covers an area of the test pads. In the aforesaid display substrate, the flexible circuit board covers the area of the test pads, so that test points on the test pads can be prevented from contacting the outside, and corrosion of the test points and signal abnormity in signal lines resulting therefrom during testing are prevented; compared with the prior art, the process of coating the test pads with UV adhesive is omitted, thus the process flow is reduced, and the production efficiency and the productivity are improved; moreover, the thickness of the display substrate can be reduced, which is conducive for the display panel including the display substrate to be lighter and thinner.

Abstract: Aspects and embodiments are generally directed to magnetic field detector systems and methods. In one example, a magnetic field detector system includes a proof-mass including a magnetic dipole source, a plurality of supports, each individual support of the plurality supports being coupled to the proof-mass, a plurality of sensors, each individual sensor of the plurality of sensors positioned to measure a resonant frequency of a corresponding support of the plurality of supports, and a controller coupled to each individual sensor of the plurality of sensors, the controller configured to measure a characteristic of a magnetic field imparted on the proof-mass based on at least a first resonant frequency of the measured resonant frequencies.

Abstract: A single-ended traveling wave fault location estimation is calculated using this disclosure, and a confidence level is determined based on available independent fault location estimations. Hypothesis are calculated based on traveling wave times and values, wherein the values indicate a polarity that is the same as the first received traveling wave. Hypothesis are then compared against results of other fault location estimations, and confidence levels assigned accordingly. The fault location is then calculated and displayed based on the hypothesis and confidence levels.

Abstract: A radio frequency (RF) imaging device comprises a position sensor, an optical sensor, a processor, and an output. The position sensor determines a position of the RF imaging device relative to a surface. The optical sensor captures optical image data representing an optical image of an area of the surface. The optical image data is associated with position data representing a position relative to the surface derived from the determined position of the RF imaging device. The derived position data corresponds to the area of the surface imaged by the optical sensor. The processor produces a composite image in which one or more portions of the optical image data are simultaneously viewable with RF image data representing an RF image of a space behind the surface at the same position as the optical image data. The output displays the composite image. The output may be a projector.

Abstract: Vertical probe heads having a space transformer laterally tiled into several sections are provided. This change relative to conventional approaches improves manufacturing yield. These probe heads can include metal ground planes, and in embodiments where the ground planes are provided as separate metal plates parallel to the guide plates, the metal plates can also be laterally tiled into several sections. Such tiling of metal plates improves manufacturing yield and alleviates thermal mismatch issues. Probes are not mechanically connected to the space transformer, which facilitates replacement of individual probes of an array.

Abstract: A Hall sensor device includes a Hall effect region of a first conductivity type, electrical contact regions configured to provide electrical signals to/from the Hall effect region, and circuitry. Each electrical contact region is formed in a respective well of a second conductivity type that adjoins the Hall effect region. Circuitry includes control terminals, wherein each control terminal is configured to control a conductance in an associated well of the second conductivity type. The circuitry is configured to selectively apply control signals to a first subset of the control terminals to form channels conducting majority carriers of the first conductivity type in the associated wells during a first operating phase, and to selectively apply control signals to a second subset of the control terminals to form channels conducting majority carriers of the first conductivity type in the associated wells during a second operating phase.

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

Abstract: A system for managing grid interaction with an energy storage device includes an energy exchange server, a plurality of energy storage devices, a plurality of interconnect socket adapters, and a plurality of energy exchange controllers, each energy exchange controller coupling to one of the plurality of interconnect socket adapters and dictating energy consumption based on energy pricing data received from the energy exchange server.

Abstract: Provided is an electrical measuring cartridge including at least: a biological sample holding section that accommodates a liquid biological sample containing a sedimenting component; a measuring electrode unit that is fixed to the biological sample holding section and composed of a pair of electrodes for electrically measuring a state of the biological sample; and a sedimentation measuring electrode unit that is fixed to a position at a different height from the measuring electrode unit of the biological sample holding section and composed of a pair of electrodes for electrically measuring a degree of sedimentation of the sedimenting component.

Abstract: A solar bioelectrical impedance spectrometer includes a microprocessor module, a radio module connected with the microprocessor module, a spectrometer module connected with the microprocessor module, a battery management module, a battery module connected with the battery management module, a solar power supply management module separately connected with the battery management module and the microprocessor module and a wearable solar cell module connected with the solar power supply management module. The battery management module is configured for receiving current output from the solar power supply management module under a preset condition and charging the battery module by the current. The spectrometer module includes an impedance network analyzer, a differential amplifier connected with the impedance network analyzer, and a wide-band current source connected with the impedance network analyzer.

Abstract: A radio frequency (RF) imaging device comprises an optical position sensor, an RF sensor assembly, a processor, and a memory. The optical position sensor captures an optical image of a field of view and outputs data representing the optical image. The RF sensor assembly is disposed at a first position and receives an RF signal for capturing an RF image of a portion of a space disposed behind a surface at the first position and outputs data representing the RF signal. The processor receives the data representing the optical image and the RF signal, and determines that an optical signature of a reference marker is present in the optical image. If the optical signature is present in the optical image, the processor defines the first position of the RF assembly as a reference position. The memory stores the data representing the RF signal in association with the reference position.

Abstract: Aspects and embodiments are generally directed to electric field detector systems and methods. In one example, an electric field detector system includes a proof-mass including a source of concentrated charge, a plurality of supports, each individual support of the plurality supports being coupled to the proof-mass, a plurality of sensors, each individual sensor of the plurality of sensors positioned to measure a resonant frequency of a corresponding support of the plurality of supports, and a controller coupled to each individual sensor of the plurality of sensors, the controller configured to measure a characteristic of an electric field imparted on the proof-mass based on at least a first resonant frequency of the measured resonant frequencies.

Abstract: An inspection apparatus comprises a light output unit configured to output first light having a first wavelength and second light having a second wavelength, a magneto-optical crystal arranged so that a reflection film faces a measurement target, a light detection unit configured to detect the first light and the second light, and a light guide optical system configured to guide the first light and the second light toward the magneto-optical crystal and the measurement target, and guide the first light reflected by the magneto-optical crystal and the second light reflected by the measurement target toward the light detection unit. The light guide optical system comprises an optical path switching element configured to perform switching between optical paths of a plurality of optical elements so that the first light and the second light are selectively incident on the light detection unit.

Abstract: A radio frequency (RF) imaging device comprises a position sensor, an RF sensor assembly, an optical sensor, a processor, and a memory. The position sensor determines a position of the RF imaging device relative to a surface. The RF sensor assembly captures RF image data representing an RF image of a portion of a space behind the surface at the determined position. The optical sensor captures optical image data representing an optical image of the surface at the determined position. The processor produces a composite image in which at least one or more portions of the RF image and one or more portions of the optical image that correspond to the same position relative to the surface are simultaneously viewable. The RF image data and the optical image data are stored in the memory in association with position data derived from the determined position of the RF imaging device.