43rd week of 2017 patent applcation highlights part 43 |
Patent application number | Title | Published |
20170307674 | Circuit Apparatus And Method For Detecting A State Of An Interlock Loop - The present disclosure relates to high-voltage circuits. The teachings thereof may be embodied in a circuit apparatus for detecting a state of an interlock loop monitoring a high-voltage component. The apparatus may include a power connection to a voltage source; a ground connection; a positive connection to a line end of the electrical interlock loop; a negative connection to a second line end of the interlock loop; a measuring arrangement for a voltage potential at the negative connection when two mutually different currents flow from the power connection via the negative connection to the ground connection; and a detector arrangement comparing the two potential measurements at the two respective currents with two predefined potential reference values and ascertaining, based on the comparison results of the comparison unit, whether the negative connection is electrically short-circuited with the positive connection, the power connection, or the ground connection, or with none of these connections. | 2017-10-26 |
20170307675 | LEAKAGE CURRENT CALCULATION DEVICE AND LEAKAGE CURRENT CALCULATION METHOD - Provided is a leakage current value calculation device which precisely calculates a leakage current I | 2017-10-26 |
20170307676 | SMART FAULT DETECTION DEVICE - Certain embodiments may generally relate to a smart fault detection device for power grids, and a method of fault detection for power grids. A method may include receiving raw data samples of currents in grounding conductors and line conductors. The method may also include processing the raw data samples under at least one of a plurality of system operating modes. The method may also include monitoring normal operation and anticipating an impending fault while operating under at least one of the system operating modes. The method may further include extracting fault information based on the monitoring. The method may also include reporting the fault information to a supervisory control and data acquisition system human-machine interface. The method may further include anticipating faults based on an analysis of the raw data samples. | 2017-10-26 |
20170307677 | FIXED IMPEDANCE CABLING FOR HIGH VOLTAGE SURGE PULSE - Described herein is a system. The system comprises an output cabling comprising an output wire and a return wire. The system also comprises a surge generator configured to provide a voltage pulse at a first rise time down the output cabling to a device under test. The output wire causes a ring at an initiation of the voltage pulse being provided by the surge generator to the device under test. The return wire is a return leg of the output cabling that is in a parallel path to the output wire and is configured to reduce or eliminate the ring. | 2017-10-26 |
20170307678 | Measurement arrangement - A measurement arrangement and method for providing at least one combined measurement dataset, said measurement arrangement comprising at least one measurement device configured to generate measurement data in a measurement session, and a mobile device configured to generate measurement session context data of said measurement session, said measurement device and said mobile device being connected via at least one wireless link for data transfer, wherein the measurement data generated by said measurement device and associated measurement session context data generated by said mobile device are linked to provide a combined measurement dataset. | 2017-10-26 |
20170307679 | METHOD AND APPARATUS FOR OFFLINE SUPPORTED ADAPTIVE TESTING - In various embodiments, the disclosure relates to a hardware test generation environment for developing test tool analysis workflows. Configurable flow files direct the steps, procedures, and data acquisitions associated with device testing and can be flexibly deployed and updated in connection with a variety of electronic test tools. The hardware test generation environment may operate separately from the hardware test execution environment allowing device test protocols and methodologies to be independently developed, improved, and validated. | 2017-10-26 |
20170307680 | CHIP AND READING CIRCUIT FOR DIE ID IN CHIP - A reading circuit for a die ID in a chip is provided. The reading circuit includes a chip damage detection circuit, a switch selector, a fuse controller, and a fuse device, where the fuse device stores the die ID; the fuse controller reads the die ID from the fuse device; the chip damage detection circuit detects whether a processor in the chip is capable of operating properly, so as to obtain a detection result, and notify the switch selector of the detection result; and when the detection result is that the processor is capable of operating properly, the switch selector connects the processor and the fuse controller; and when the detection result is that the processor is not capable of operating properly, the switch selector connects the fuse controller and a maintenance device that is located outside the chip. | 2017-10-26 |
20170307681 | I/O CONTROL CIRCUIT FOR REDUCED PIN COUNT (RPC) DEVICE TESTING - An I/O control circuit includes a plurality of IO cells including an input section for stimulating a plurality of (n) pins of a device under test (DUT) and an output section for processing data output by the pins. The input section of each cell includes a latched driver each including a driver input, a first driver output, a next state driver output, and a current source. The next state driver output and current source are for coupling to drive the pins, and the latched drivers are serially connected with the first driver output of an earlier IO cell connected to the driver input of a next IO cell. The output section of each cell includes an analog to digital converter (ADC) for coupling to the n pins, and a memory element coupled to an output of the ADC. | 2017-10-26 |
20170307682 | ANALYSIS SYSTEM AND ANALYSIS METHOD - A system and a method capable of identifying a heat source position corresponding to a failure portion are provided. An analysis system according to the present invention is an analysis system that identifies a heat source position inside a semiconductor device, and includes a tester that applies an AC signal to the semiconductor device, an infrared camera that detects light from the semiconductor device according to the AC signal and outputs a detection signal, and a data analysis unit that identifies the heat source position based on the detection signal. | 2017-10-26 |
20170307683 | BIDIRECTIONAL SCAN CHAIN STRUCTURE AND METHOD - A bi-directional scan chain includes a plurality of cell structures, each cell structure having a storage device and at least one multiplexer, the plurality of cell structures coupled to one another in a series configuration, wherein an output of a (K-1)-th cell structure is provided as input to the K-th cell structure to provide a forward data shifting operation, and an output of the K-th cell structure is provided as an input to the (K-1)-th cell structure to provide a backward data shifting operation, where K is an integer greater than 1. | 2017-10-26 |
20170307684 | SCAN FRAME BASED TEST ACCESS MECHANISMS - Testing of an electrical device is achieved by providing a test access mechanism within the device that can receive scan frames from an external tester. The received scan frames contain stimulus data to be applied to circuitry within the device to be tested, a command for enabling a test control operation, and a frame marker bit to indicate the end of the scan frame pattern. The inputting of scan frames can occur continuously and simultaneous with a commanded test control operation. | 2017-10-26 |
20170307685 | TESTING MECHANISM FOR A PROXIMITY FAIL PROBABILITY OF DEFECTS ACROSS INTEGRATED CHIPS - According to an embodiment, a testing mechanism determines a status of circuits within a chip by analyzing fail signatures on a by-level basis to identify a high probability defect area within the chip. The testing mechanism further determines a whether functionally needed circuitry of the chip intersects with the high probability defect area within the chip and determines the status of the circuits in response to the determining of whether the functionally needed circuitry intersects with the high probability defect area. | 2017-10-26 |
20170307686 | MODULATED TEST MESSAGING FROM DEDICATED TEST CIRCUITRY TO POWER TERMINAL - The present disclosure describes a novel method and apparatus for using a device's power and ground terminals as a test and/or debug interface for the device. According to the present disclosure, messages are modulated over DC voltages applied to the power terminals of a device to input test/debug messages to the device and output test/debug messages from the device. The present disclosure advantageously allows a device to be tested and/or debugged without the device having any shared or dedicated test or debug interface terminals. | 2017-10-26 |
20170307687 | OPTO ELECTRICAL TEST MEASUREMENT SYSTEM FOR INTEGRATED PHOTONIC DEVICES AND CIRCUITS - An optical testing circuit on a wafer includes an optical input configured to receive an optical test signal and photodetectors configured to generate corresponding electrical signals in response to optical processing of the optical test signal through the optical testing circuit. The electrical signals are simultaneously sensed by a probe circuit and then processed. In one process, test data from the electrical signals is simultaneously generated at each step of a sweep in wavelength of the optical test signal and output in response to a step change. In another process, the electrical signals are sequentially selected and the sweep in wavelength of the optical test signal is performed for each selected electrical signal to generate the test data. | 2017-10-26 |
20170307688 | SYNTHETIC TEST CIRCUIT - A synthetic test circuit, comprising: a device under test including a chain-link converter under test, comprising a plurality of test modules, each test module including module switches connected with an energy storage device; a terminal connected to the device under test; at least one injection circuit operably connected to the terminal, the injection circuit including a source, the source including a source chain-link converter, which includes a plurality of source modules, each source module including a plurality of module switches connected with at least one energy storage device; a controller being configured to operate each source module to selectively bypass the corresponding energy storage device and insert the corresponding energy storage device into the corresponding source chain-link converter so as to generate a voltage across the source chain-link converter and thereby operate the injection circuit to inject a current waveform and/or a voltage waveform into the chain-link converter under test. | 2017-10-26 |
20170307689 | CONTROLLER AND ANOMALY DIAGNOSTIC DEVICE - The controller is equipped with a detection signal acquiring unit adapted to acquire a detection signal from a sensor that detects a physical quantity caused by vibrations generated at a detected location due to rotation of an electric motor, a phase information acquiring unit adapted to acquire phase information of the electric motor, a time width determining unit adapted to determine a time width, which coincides with a period of a phenomena occurring at the detected location due to rotation of the electric motor, on the basis of the phase information, a signal dividing unit adapted to divide the detection signal based on the determined time width, and an adding and averaging unit adapted to add and average a plurality of divided signals divided by the time width. | 2017-10-26 |
20170307690 | COMMON MODE NOISE SIMULATOR - The present invention relates to a common mode noise simulator, and more particularly, to a common mode noise simulator which removes a high-frequency component by controlling impedance of an inductor, a capacitor, and a resistor and evaluates insulation performance of a battery by measuring leakage current of the battery depending on amplitude-modulated common mode noise. | 2017-10-26 |
20170307691 | Intelligent Charge Stop - A method for controlling an accumulator, the accumulator containing a control device and being able to be used, for example, to supply electric power to a machine tool, is disclosed. In an embodiment, the method includes determining a difference value between a first accumulator charging state and a second accumulator charging state, where the first charging state corresponds to an accumulator charging state after a charging process has ended and the second charging state has a charging state value that is lower than the first charging state, determining a third charging state which corresponds to the difference value and corresponds to a charging state value that is lower than a maximum charging state value for the accumulator, and charging the accumulator until the third charging state is reached. An accumulator for carrying out the method is also disclosed. | 2017-10-26 |
20170307692 | STATE ESTIMATION DEVICE AND METHOD FOR FUEL CELL AND FUEL CELL SYSTEM - A state estimation device for a fuel cell for generating power upon receiving the supply of anode gas and cathode gas, comprising: an internal impedance measurement unit configured to measure an internal impedance of the fuel cell on the basis of an alternating-current signal of a predetermined frequency output from the fuel cell; a state quantity preliminary estimation value calculation unit configured to calculate a first preliminary estimation value for a state quantity of an electrode obtained from a real component of a measurement value of the internal impedance and a second preliminary estimation value for the state quantity of the electrode obtained from an imaginary component of the measurement value of the internal impedance; and a state quantity final estimation value determination unit configured to determine a final estimation value of the state quantity of the electrode on the basis of the calculated first and second preliminary estimation values. | 2017-10-26 |
20170307693 | DETERIORATION ASSESSMENT METHOD AND DETERIORATION ASSESSMENT SYSTEM FOR SEALED-TYPE SECONDARY BATTERY - A sealed secondary battery deterioration diagnosis method comprising a step of detecting deformation of said sealed secondary battery and obtaining a first curved line representing a relationship between a discharged capacity from a fully charged state or a charged capacity up to the fully charged state and a detected deformation amount of said sealed secondary battery, a step of obtaining a second curved line representing a relationship between the charged/discharged capacity and a slope of said first curved line, and a step of determining that the battery is in a deterioration mode brought about by enlargement of reaction distribution when the charged/discharged capacity calculated on the basis of a width of a peak appearing on said second curved line is larger than the charged/discharged capacity calculated on the basis of a width of a corresponding peak in the predetermined reference state. | 2017-10-26 |
20170307694 | BATTERY LIFE ESTIMATION BASED ON MULTIPLE LOCATIONS - In embodiments, an apparatus may include a battery life monitor. The battery life monitor may, in some embodiments, receive a battery level indicator indicative of a current charge level of a battery that is coupled with the apparatus and a first temperature that may indicate a temperature of a current location of the apparatus. The battery life monitor may also receive one or more additional temperatures that indicate respective temperatures of one or more locations in which the apparatus is likely to be operated prior to discharge of the current charge level of the battery. Based at least in part on the current charge level, the first temperature indicator, and the one or more additional temperatures, the battery life monitor may calculate one or more battery life estimates that correspond with the one or more locations. Other embodiments may be described and/or claimed. | 2017-10-26 |
20170307695 | Method and System for Detecting LED Short Circuit in LED Strings or Detecting Matching Among LED Strings - This specification relates to a method and a system for detecting light emitting diode (LED) short circuit in a plurality of LED strings or detecting matching among the plurality of LED strings, wherein one end of each of the plurality of LED strings is connected to a same output end of a power supply, and the other end is respectively connected to a corresponding switch. According to the present invention, first current of each of LED strings is obtained when the output end of the power supply outputs a first voltage; differences between the minimum of the first currents of LED strings and other first currents are calculated; the differences are compared with a comparing threshold; it is determined that the LED strings corresponding to the other currents for which differences are larger than the comparing threshold include short circuit or mismatch with the LED string corresponding to the minimum current. Accordingly, it is possible to reduce the number of pins and area of a control chip. | 2017-10-26 |
20170307696 | MAGNETIC FIELD SENSOR ARRANGEMENT AND METHOD FOR PROCESSING A MAGNETIC FIELD SENSOR OUTPUT SIGNAL - A magnetic field sensor arrangement includes a magnetic field sensor element configured to provide a sensor output signal responsive to a magnetic field, wherein the sensor output signal is representative of a magnetic field amplitude; a processing module configured to provide a processed sensor output signal representative of the sensor output signal; a switching level calculation module configured to calculate a switching level, (1) during a power up mode, based on a default switching level, and (2) during a running mode, based on the processed sensor output signal; a comparator module configured to compare the processed sensor output signal with the switching level, and to provide a comparator output signal based on the comparison; and a storage module configured to store the default switching level, provide the default switching level during the power up mode, and update the default switching level during the running mode. | 2017-10-26 |
20170307697 | MAGNETIC FIELD SENSOR WITH MULTIPLE AXIS SENSE CAPABILITY - A sensor for sensing an external magnetic field along a sensing direction comprises a sensor bridge. The sensor bridge has a first sensor leg that includes a first magnetoresistive sense element and a second sensor leg that includes a second magnetoresistive sense element. The first and second sense elements have respective first and second pinned layers having the same reference magnetization. The first and second sense elements have respective first and second sense layers, each self-biased to have a first sense magnetization. A permanent magnet layer is proximate the second sense element. In the absence of an external magnetic field, the permanent magnet layer magnetically biases the first sense magnetization of the second sense layer produce a second sense magnetization of the second sense layer that differs from the first sense magnetization, and the first sense layer of the first sense element retains the first sense magnetization. | 2017-10-26 |
20170307698 | AN APPARATUS AND A METHOD FOR HELIUM COLLECTION AND RELIQUEFACTION IN A MAGNETOENCEPHALOGRAPHY MEASUREMENT DEVICE - The invention relates to a method and a magnetoencephalography (MEG) measurement device. In the method there is determined the ending of a scheduled inactivity period of the MEG device. At the ending of the inactivity period a cryocooler of the MEG device is switched off. Helium is allowed to boil in the Dewar vessel of the MEG device when the MEG device is active and used to perform patient measurements. The boiled helium is collected via a compressor to an external storage tank. When a new inactivity period for the MEG device commences, the cryocooler is started anew and helium is let from the external storage tank in-to the Dewar vessel, where it is re-liquefied by the cryocooler. The compressor may be switched off when the cryocooler is switched on. | 2017-10-26 |
20170307699 | Systems and methods for the selective mapping of water T1 relaxation times - Described herein are systems and methods for the selective mapping of water T1 relaxation times. | 2017-10-26 |
20170307700 | WIRELESS DETECTION COIL SYSTEM - In certain embodiments, a coil circuitry component may be configured to detect RF signals from excited spins of at least a region of an organism, where the coil circuitry component comprises a RF detection coil and a detuning circuit for detuning the RF detection coil. A coil signal detection component may be configured to extract at least some of the RF signals detected by the coil circuitry component and to convert the extracted RF signals from analog signal to digital signals. An excitation estimation component may be configured to estimate the excitation pulses from an excitation source and to generate a control timing signal from the estimated excitation pulses to set a state of the detuning circuit. A wireless communication component may be configured to wirelessly transmit the converted RF signals, the estimated excitation pulses, and the control timing signal to an external computer system. | 2017-10-26 |
20170307701 | RECEIVE COIL UNIT WITH INTEGRATED NOISE ANTENNAS AND MAGNETIC RESONANCE IMAGING SYSTEM WITH SUCH A RECEIVE COIL UNIT - The present invention provides a receive coil unit ( | 2017-10-26 |
20170307702 | METHOD AND SYSTEM FOR CONTACTLESS POWER TRANSFER IN A GATE DRIVER UNIT - A gate driver unit is presented. The gate driver unit includes a first power exchanging coil operatively coupled to a power source. The gate driver unit includes a second power exchanging coil configured to receive power from the first power exchanging coil via a magnetic field and a field focusing element disposed between the first power exchanging coil and the second power exchanging coil and configured to focus the magnetic field onto the second power exchanging coil. The gate driver unit also includes a first circuit coupled to the second power exchanging coil. The gate driver unit includes a gate drive subunit operatively coupled to the first circuit and configured to provide an output signal to a control terminal corresponding to a controllable switch of a second circuit. A magnetic resonance imaging system and a method of contactless power transfer in a magnetic resonance imaging system are also presented. | 2017-10-26 |
20170307703 | SILENT MULTI-GRADIENT ECHO MAGNETIC RESONANCE IMAGING - Methods and systems for production of silent, multi-gradient-echo, magnetic resonance images are provided. The methods employ iterative application of small updates to the magnetic field gradient followed by a short, non-selective radiofrequency pulse excitation and for free induction decay data acquisition. The magnetic field gradient updates allow for silent, self-refocusing pulse sequence. Subsequent applications of the magnetic field gradients allow for multiple echo data acquisitions, which may allow fast, silent production of T2*-weighted images. | 2017-10-26 |
20170307704 | Z-SEGMENTED RF COIL FOR MRI WITH GAP AND RF SCREEN ELEMENT - The present invention provides a radio frequency (RF) coil ( | 2017-10-26 |
20170307705 | 3D UTE IMAGING USING VARIABLE-TE STACK-OF-SPIRALS ACQUISITION - Some aspects of the present disclosure relate to ultrashort-echo-time (UTE) imaging. In one embodiment, a method includes acquiring UTE imaging data associated with an area of interest of a subject. The acquiring comprises applying an imaging pulse sequence with a three-dimensional (3D) spiral acquisition and a nonselective excitation pulse. The method also includes reconstructing at least one image of the area of interest from the acquired UTE imaging data. | 2017-10-26 |
20170307706 | MULTI-SLICE ACCELERATION FOR MAGNETIC RESONANCE FINGERPRINTING - A method of performing multi-slice acceleration for MR fingerprinting includes obtaining k-space data for MR volumes; applying controlled radio frequency (RF) pulses to the MR volumes; exciting a plurality of slices within the MR volumes by the RF pulses at a same time; and producing a plurality of fingerprints from the plurality of slices. At least one set of fingerprints is compressed, and a residual signal of a plurality of signal evolutions is reduced. The method additionally includes periodically switching a weighting between a first slice and a second slice of the plurality of slices. | 2017-10-26 |
20170307707 | MUTLI-SHOT MAGNETIC RESONANCE IMAGING SYSTEM AND METHOD - The present invention provides a magnetic resonance imaging system for imaging a subject by a multi-shot imaging. The magnetic resonance imaging system comprises an acquiring unit for acquiring MR raw data corresponding to a plurality of shots; an imaging unit for generating a plurality of folded images from the MR raw data, wherein each of the plurality of folded images is generated from a subset of the MR raw data; a deriving unit for deriving magnitude of each pixel of each folded image; a detecting unit for detecting a motion of the subject during the multi-shot imaging based on similarity measurements of any two folded images of the plurality of folded images, wherein the detecting unit further comprises a first deriving unit configured to derive the measured similarities; and a reconstructing unit for reconstructing a MR image of the subject based on MR raw data obtained according to a detection result of the detecting unit. Since the partially acquired MR raw data is used for motion detection directly, it would be more rapid and stable. | 2017-10-26 |
20170307708 | SYSTEMS AND METHODS FOR DESIGNING MULTIDIMENSIONAL SELECTIVE ADIABATIC PULSES - Described here are systems and methods for designing and implementing spatially selective, multidimensional adiabatic radio frequency (“RF”) pulses for use in magnetic resonance imaging (“MRI”). Spatially selective inversion can be achieved adiabatically in both two-dimensional (“2D”) and three-dimensional (“3D”) regions-of-interest. The multidimensional adiabatic pulses are generally designed using sub-pulses that are adiabatically driven using a parent adiabatic pulse. | 2017-10-26 |
20170307709 | SYSTEM AND APPARATUS FOR ASSESSING METALLOSIS USING MAGNETIC RESONANCE IMAGING - A method includes: accessing MRI data acquired from a joint area, the MRI data including a series of spatially mapped spectral data points; generating MRI images of the joint area; receiving information encoding a region of interest that encompasses a suspected metal particle deposition area over at least one of the MRI images; constructing magnetic field maps using the MRI data, each representing off-resonance frequency shifts over the joint area; removing a background of off-resonance field inhomogeneity from the magnetic field map such that the region of interest is free from off-resonance field inhomogeneity; identifying clusters from the magnetic field maps with the background of off-resonance field inhomogeneity removed, the clusters defined over a first dimension of offset frequencies and a second dimension of cluster volumes; and computing a quantitative metric by combining information from the identified clusters according to both the first dimension and the second dimension. | 2017-10-26 |
20170307710 | LOCAL TEMPERATURE RISE CONSTRAINED RADIO FREQUENCY PULSE DESIGN IN PARALLEL TRANSMISSION - Systems and methods for designing RF pulses using a technique that directly controls temperature rise via a compression model that is based on virtual observation points (“VOPs”) are provided. Thermal pre-simulations are first carried out for a given RF exposure time, coil, and subject model in order to obtain complex temperature matrices, after which the compression scheme follows. As one example, the thermal model employed can be Pennes' bio-heat equation. Focusing design constraints on the temperature rise instead of the absolute temperature allows for uncertain parameters to be dropped from the thermal model, making it more robust and less prone to errors. In some embodiments, the algorithm used for RF pulse design is the active-set (“A-S”) method. | 2017-10-26 |
20170307711 | METHOD FOR GENERATING A RADIAL OR SPIRAL MRT IMAGE - Disclosed herein is a method for generating an MRI image in which a radial or spiral k-chamber path with a constant angular increment Psi is used to take an MRI image, the angular increment Psi being in the angular range of between 5-55 degrees or being in the corresponding supplementary angle Psi′ and is selected according to the formula Psi | 2017-10-26 |
20170307712 | SYSTEMS AND METHODS FOR FREE-BREATHING CINE DENSE MRI USING SELF-NAVIGATION - Some aspects of the present disclosure relate to systems and methods for free-breathing cine DENSE MRI using self-navigation. In one embodiment, a method includes acquiring magnetic resonance data for an area of interest of a subject, wherein the acquiring comprises performing sampling with phase-cycled, cine displacement encoding with stimulated echoes (DENSE) during free-breathing of the subject; identifying, from the acquired magnetic resonance data, a plurality of phase-cycling data pairs corresponding to matched respiratory phases of the free-breathing of the subject; reconstructing, from the plurality of phase-cycling data pairs, a plurality of intermediate self-navigation images; performing motion correction by estimating, from the plurality of intermediate self-navigation images, the respiratory position associated with the plurality of phase-cycling data pairs; and reconstructing a plurality of motion-corrected cine DENSE images of the area of interest of the subject. | 2017-10-26 |
20170307713 | SYSTEM AND METHOD FOR IMAGING FOUR-DIMENSIONAL FLOW OF A FLUID WITHIN A VOLUME OF AN IMAGED OBJECT - A method for phase-contrast imaging a fluid within a volume of an imaged subject is provided. The method includes acquiring a plurality of slabs, each slab imaging the fluid flowing within a portion of the volume; and volume merging the plurality of slabs to form an image of the volume. Each slab of the plurality is aligned with respect to the volume such that each slab of the plurality is continuously supplied with a plurality of magnetically unsaturated portions of the fluid during acquisition. | 2017-10-26 |
20170307714 | Combined angiography and perfusion using radial imaging and arterial spin labeling - The present disclosure is directed to combined angiography and perfusion using radial imaging and arterial spin labeling. | 2017-10-26 |
20170307715 | DIXON MR IMAGING WITH SUPPRESSION OF FLOW ARTIFACTS - The invention relates to a method of MR imaging of a body ( | 2017-10-26 |
20170307716 | PROPELLER MR IMAGING WITH ARTEFACT SUPPRESSION - The invention relates to a method of MR imaging of a body ( | 2017-10-26 |
20170307717 | System and Method for Producing Distortion Free Magnetic Resonance Images Using Dual-Echo Echo-Planar Imaging - Described here are systems and methods for correcting magnetic resonance data for off-resonance effects arising from the use of a multi-echo echo planar imaging (“EPI”) pulse sequence. Reference data are acquired, from which phase maps are computed in a distorted coordinate space associated with geometric distortions associated with the multi-echo EPI acquisition. Images reconstructed from the magnetic resonance data are demodulated using the distorted phase maps to produce distortion free images of the subject. Advantageously, the systems and methods can be used to reconstruct distortion free images from magnetic resonance data that is otherwise prone to image distortions from off-resonance errors, including data acquired from hyperpolarized nuclear spin species such as hyperpolarized carbon-13. | 2017-10-26 |
20170307718 | METHODS AND DEVICES FOR HIGH STABILITY PRECISION VOLTAGE DIVIDERS - Resistor voltage dividers are commonly used to create reference voltages, or to reduce the magnitude of a voltage so it can be measured. Many measurements in test and measurement or calibration applications regularly require accuracies within the sub-part per million (ppm) range, e.g. 0.1 ppm to 1.0 ppm. However, the continued drive for improved accuracy in calibration, standards, and measurements on circuits and components means many measurements and measurement systems are operating at 50 parts per billion (ppb) and below to approximately 10 ppb. At these levels even relatively simple passive elements such as voltage dividers cannot be used without calibration and that these calibrations may be required at frequencies substantially higher than the other elements within the test and measurement equipment. Accordingly, the inventors have established a self-contained voltage divider with internal calibration allowing the voltage divider to be calibrated for every measurement if necessary. | 2017-10-26 |
20170307719 | AUDIO NAVIGATION SYSTEM FOR THE VISUALLY IMPAIRED - A navigation system featuring audio prompts including: a database including a plurality of beacon identifiers corresponding to physical beacons that are members of quadrants including one or more beacons, the database including navigation instructions between beacons in a quadrant and between beacons and adjacent quadrants; a controller adapted to: provide a first beacon and a destination beacon, determine a route from the first beacon to the destination beacon in a destination quadrant, announce, via the speaker, navigation instructions from the first beacon to a first quadrant of the route, for each quadrant along the route: receive, a newly encountered beacon identifier; and announce navigation instructions for the user to navigate from the newly encountered beacon to the next quadrant in the ordered list, and upon receiving a beacon identifier of a detected beacon in the destination quadrant, announce navigation instructions to navigate from the detected beacon to the destination beacon. | 2017-10-26 |
20170307720 | FIBER OPTIC PERSONNEL SAFETY SYSTEMS AND METHODS OF USING THE SAME - A personnel monitoring system. The personnel monitoring system includes a host node having an optical source for generating optical signals, and an optical receiver. The personnel monitoring system also includes a plurality of fiber optic sensors for converting at least one of vibrational and acoustical energy to optical intensity information, each of the fiber optic sensors having: (1) at least one length of optical fiber configured to sense at least one of vibrational and acoustical energy; (2) a reflector at an end of the at least one length of optical fiber; and (3) a field node for receiving optical signals from the host node, the field node transmitting optical signals along the at least one length of optical fiber, receiving optical signals back from the at least one length of optical fiber, and transmitting optical signals to the optical receiver of the host node. | 2017-10-26 |
20170307721 | SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM - A wideband signal is enhanced or suppressed to the same extent at each frequency without increasing the size of an overall sensor array. To achieve this, there is provided a signal processing apparatus including a direction estimator that obtains a direction of arrival of a signal for signals received from a plurality of sensors and each containing a target signal and noise, a first gain calculator that calculates a first gain using the direction of arrival of the signal, an integrator that obtains an integrated signal by integrating the signals received from the plurality of sensors, and a multiplier that multiplies the first gain by the integrated signal. | 2017-10-26 |
20170307722 | Target Device Positioning Method and Mobile Terminal - A target device positioning method and a mobile terminal are provided. The mobile terminal determines, according to obtained measurement signals sent by a target device from a trigger moment to a current measurement moment, azimuths of the target device relative to the mobile terminal at the moments, obtains an original motion trail of the target device from the trigger moment to the current measurement moment, determines an effective motion trail of the target device according to the original motion trail and change rates of the azimuths of the target device relative to the mobile terminal at the moments, performs matching with a map according to an azimuth of the target device relative to the mobile terminal at the current measurement moment and the effective motion trail of the target device, to determine location information of the target device, and displays the location information of the target device. | 2017-10-26 |
20170307723 | SUPPORT OF DOWNLINK POSITIONING USING COHERENT AND NON-COHERENT SIGNAL ACQUISITION - Techniques are discussed for conveying frequency error characteristics for a plurality of cell transceivers from a server to a mobile device to enable the mobile device to determine an optimum or near optimum period of coherent integration of a downlink signal from one or more of the plurality of cell transceivers based on the frequency error characteristics. The coherent integration of the downlink signal may be to support a downlink terrestrial positioning method such as the Observed Time Difference of Arrival (OTDOA) method for Long Term Evolution (LTE) and the downlink signal may be a Positioning Reference Signal (PRS). A mobile device may perform downlink signal integration for longer periods than the optimum period for coherent integration by combining coherent integration results using non-coherent integration. The optimum period may achieve maximum or near maximum signal to noise ratio. | 2017-10-26 |
20170307724 | Radar Device for Vehicle - A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°. | 2017-10-26 |
20170307725 | METHOD FOR REDUCING SIDELOBE IN ULTRASOUND IMAGES - According to the present invention, a method for reducing a sidelobe in an ultrasound image includes Step 1 of receiving, from individual receiving elements of an array transducer, ultrasonic signals reflected from an imaging point, and outputting the ultrasonic signals as channel signals of the corresponding receiving elements; Step 2 of applying focusing delays to each of the channel signals to temporally align the channel signals; and Step 3 of synthesizing an ultrasound image by using an added-up signal which is obtained by adding up the temporally aligned channel signals, wherein Step 3 includes calculating a magnitude of a corresponding sidelobe signal by using a spatial frequency of the sidelobe signal which generates a sidelobe and the number of receiving elements and synthesizing the ultrasound image by subtracting the calculated magnitude of the sidelobe signal from the added-up signal. | 2017-10-26 |
20170307726 | METHODS AND SYSTEMS FOR LOCATING TARGETS USING NON LINEAR RADAR WITH A MATCHED FILTER WHICH USES EXPONENTIAL VALUE OF THE TRANSMIT SIGNAL - Embodiments of the present invention concern locating targets using non-linear radar with a matched filter which uses exponential value of the transmit signal. According to embodiments, a method of non-linear radar target location includes: transmitting a signal of a transmit waveform towards a target; receiving a signal from the target; creating a matched filter by generating an exponential function of the transmit waveform corresponding to a particular harmonic of the interest; and applying the matched filter to the received signal to generate and output a signature waveform for the target of the particular harmonic of interest. In other embodiments, the matched filtering may be combined with sidelobe reduction. | 2017-10-26 |
20170307727 | FMCW RADAR DEVICE - Provided is an FMCW radar device capable of reducing pairing errors. With use of a first peak frequency change rate during a first chirp period and a second peak frequency change rate during a second chirp period, a first temporary range during the first chirp period and a second temporary range during the second chirp period are calculated. When a difference between the first temporary range and the second temporary range is equal to or less than a set threshold, a first peak frequency and a second peak frequency in a current processing period are paired with each other. | 2017-10-26 |
20170307728 | DIGITAL FREQUENCY MODULATED CONTINUOUS WAVE RADAR USING HANDCRAFTED CONSTANT ENVELOPE MODULATION - A radar system for a vehicle includes a transmitter and a receiver. The transmitter transmits an amplified and frequency modulated radio signal. Each transmitter comprises a frequency generator, a code generator, a modulator, a constant-envelope power amplifier, and an antenna. The frequency generator generates the radio signal with a desired center frequency. The code generator generates a sequence of chips at a selected chiprate. A modulation interval between successive chips is a reciprocal of the chiprate. The modulator frequency modulates the radio signal using shaped frequency pulses. The shaped frequency pulses correspond to a first signal, the frequency of which deviates from the desired center frequency during each of the modulation intervals according to a selected pulse shape. The selected pulse shape is determined by the generated sequence of chips. The constant-envelope power amplifier amplifies the frequency modulated radio signal at a desired transmit power level. The antenna transmits the radio signal. | 2017-10-26 |
20170307729 | VEHICULAR RADAR SYSTEM WITH SELF-INTERFERENCE CANCELLATION - A digital FMCW radar is described that simultaneously transmits and receives digitally frequency modulated signals using multiple transmitters and multiple receivers and associated antennas. Several sources of nearby spillover from transmitters to receivers that would otherwise degrade receiver performance are subtracted by a cancellation system in the analog radio frequency domain that adaptively synthesizes an analog subtraction signal based on residual spillover measured by a correlator operating in the receivers' digital signal processing domains and based on knowledge of the transmitted waveforms. The first adaptive cancellation system achieves a sufficient reduction of transmit-receive spillover to avoid receiver saturation or other non-linear effects, but is then added back in to the signal path in the digital domain after analog-to-digital conversion so that spillover cancellation can also operate in the digital signal processing domain to remove deleterious spillover components. | 2017-10-26 |
20170307730 | APPARATUS FOR CALCULATING MISALIGNMENT QUANTITY OF BEAM SENSOR - The misalignment quantity calculating apparatus determines whether a first object detected by a beam sensor is identical to a second object detected by an image sensor. Upon determining that the first object is identical to the second object, the misalignment quantity calculating apparatus calculates, as a misalignment quantity of the beam sensor, an angle between a first line segment and a second line segment; the first line segment connects a predetermined reference point of the misalignment quantity calculating apparatus and a first feature point of the first object, and the second line segment connects the predetermined reference point and a second feature point of the second object. | 2017-10-26 |
20170307731 | DIGITAL RADIO FREQUENCY MEMORY SYNTHETIC INSTRUMENT - An apparatus and method for testing equipment is provided. An analog test signal is received by an analog-to-digital converter. The test signal is converted to a digital test signal. The digital test signal is received by a digital processor. The digital test signal is processed and received by a digital memory and a digital-to-analog converter. The processed digital signal is converted to an analog test signal. | 2017-10-26 |
20170307732 | SYSTEM FOR GENERATING VIRTUAL RADAR SIGNATURES - The invention relates to a method and system for testing and evaluating a response of an automotive radar system for a specific automotive safety scenario, wherein the method and system generates a simulated reflected radar signature corresponding to at least one virtual target in a specific virtual scenario. The simulated radar signature is generated from one or more of:
| 2017-10-26 |
20170307733 | VEHICLE RADAR METHODS AND SYSTEMS - Methods and systems are provided for classifying an object proximate a first vehicle having a first radar system. First information is received from a first radar signal of the first radar system pertaining to the object. Second information is received from a second radar signal of a second vehicle pertaining to the object. The object is classified using the first information and the second information. | 2017-10-26 |
20170307734 | METHOD FOR OPTIMISING THE DETECTION OF MARINE TARGETS AND RADAR IMPLEMENTING SUCH A METHOD - A detection method for a given mission comprises at least: one phase of analysing the environment using a waveform chosen beforehand, the signals acquired with this waveform being analysed by processing means in order to deduce therefrom environmental characteristics; and one phase of generating an optimal detection wave depending on the environmental characteristics and characteristics of the mission. | 2017-10-26 |
20170307735 | OBJECT DETECTION USING RADAR AND MACHINE LEARNING - A method and system for using one or more radar systems for object detection based on machine learning in an environment is disclosed. A scanning radar or combination of radars mounted on a vehicle or moving object scans the environment to acquire information. The radar data may be a 3D point cloud, 2D radar image or 3D radar image. The radar data may also be combined with data from LIDAR, vision or both. A machine learning algorithm is then applied to the acquired data to detect dynamic or static objects within the environment, and identify at least one object feature comprising one of a type, location, distance, orientation, size or speed of an object. | 2017-10-26 |
20170307736 | Multi-Wavelength LIDAR System - A multi-wavelength LIDAR system includes a first laser source that generates a first optical beam having a first wavelength and a second laser source that generates a second optical beam having a second wavelength. An optical element projects the first optical beam to form a first beam profile at a target plane and projects the second optical beam to form a second beam profile at the target plane. An optical receiver generates a first wavelength signal corresponding to the received reflected portion of the first beam profile and generates a second wavelength signal corresponding to the reflected portion of the second beam profile at the target plane. A controller generates a measurement point cloud from the first and second wavelength signals, wherein an angular resolution of the measurement point cloud depends on a relative position of the first and second beam profiles at the target plane. | 2017-10-26 |
20170307737 | Scanning Optical System And Light Projection And Reception Device - A scanning optical system, includes a mirror unit having a first mirror surface and a second mirror surface which incline to a rotation axis; and a light projecting system having a light source. A light flux emitted from the light source is reflected on the first mirror surface of the mirror unit, thereafter, reflected on the second mirror surface, and then, projected so as to scan in a main scanning direction onto an object in accordance with rotation of the mirror unit. The light flux emitted from the second mirror surface becomes a plurality of spot lights on the object side, and the plurality of spot lights are arranged along a direction intersecting with the main scanning direction. | 2017-10-26 |
20170307738 | LIDAR SCANNER CALIBRATION - A LiDAR sensor can include a laser configured to output electromagnetic pulses and an optical splitter positioned to split each of the electromagnetic pulses into (i) at least one calibration pulse, and (ii) at least one external pulse directed toward an object external from the LiDAR sensor. The LiDAR sensor can further include a photodetector configured to detect the at least one calibration pulse and a reflected pulse based on the at least one external pulse reflecting from the object. The LiDAR sensor can further include a processor configured to adjust a bias voltage of the photodetector based on the at least one calibration pulse. | 2017-10-26 |
20170307739 | MULTI-LEVEL PULSER AND RELATED APPARATUS AND METHODS - Apparatus and methods are provided directed to a device, including at least one ultrasonic transducer, a multi-level pulser coupled to the at least one ultrasonic transducer; the multi-level pulser including a plurality of input terminals configured to receive respective input voltages, an output terminal configured to provide an output voltage, and a signal path between a first input terminal and the output terminal including a first transistor having a first conductivity type coupled to a first diode and, in parallel, a second transistor having a second conductivity type coupled to a second diode. | 2017-10-26 |
20170307740 | PARAMETER LOADER FOR ULTRASOUND PROBE AND RELATED APPARATUS AND METHODS - Programmable ultrasound probes and methods of operation are described. The ultrasound probe may include memory storing parameter data and may also include a parameter loader which loads the parameter data into programmable circuitry of the ultrasound probe. In some instances, the ultrasound probe may include circuitry grouped into modules which may be repeatable and which may be coupled together to allow data to be exchanged between the modules. | 2017-10-26 |
20170307741 | ULTRASOUND SIGNAL PROCESSING CIRCUITRY AND RELATED APPARATUS AND METHODS - Ultrasound signal processing circuitry and related apparatus and methods are described. Signal samples received from an ultrasound transducer array in an ultrasound transducer based imaging system may be processed, or conditioned, by application of one or more weighting functions. In some embodiments, one or more weighting functions may be applied to the signal samples in the time domain. In other embodiments, the signal samples may be converted to the frequency domain and one or more weighting functions may be applied in the frequency domain. In further embodiments, one or more weighting functions may be applied in the time domain and one or more weighting functions may be applied in the frequency domain. The weighting functions may be channel dependent and/or channel independent. The processed data can be provided to an image formation processor. | 2017-10-26 |
20170307742 | ULTRASOUND BLOOD FLOW DOPPLER AUDIO WITH PITCH SHIFTING - An ultrasonic diagnostic imaging system produces audio Doppler from detected Doppler signals. The Doppler signals are detected in a band of frequencies which corresponds to the velocity of blood flow signals, and Doppler information is displayed based on the detected band of frequencies. The audio Doppler system produces Doppler audio in a frequency band which is shifted in pitch from the detected band of frequencies. The operator of the ultrasound system is provided with a user control by which the degree of pitch shifting can be controlled. The ultrasound system displays Doppler blood flow velocities referenced to a transmit Doppler frequency f | 2017-10-26 |
20170307743 | Prioritized Sensor Data Processing Using Map Information For Automated Vehicles - An object-detection system for an automated vehicle includes an object-detector, a digital-map, and a controller. The object-detector is used to observe a field-of-view proximate to a host-vehicle. The digital-map is used to indicate a roadway-characteristic proximate to the host-vehicle. The controller is configured to define a region-of-interest within the field-of-view based on the roadway-characteristic, and preferentially-process information from the object-detector that corresponds to the region-of-interest. | 2017-10-26 |
20170307744 | MIMO RADAR DEVICE FOR THE DECOUPLED DETERMINATION OF AN ELEVATION ANGLE AND AN AZIMUTH ANGLE OF AN OBJECT AND METHOD FOR OPERATING A MIMO RADAR DEVICE - A MIMO radar device for the decoupled determination of an elevation angle and azimuth angle of an object. The MIMO radar device includes an antenna array including multiple transmitting antennas, whose phase centers are situated spaced apart from one another along a first coordinate direction; and multiple receiving antennas, whose phase centers are situated spaced apart from one another along the first coordinate direction; the phase center of at least one of the transmitting antennas being spaced apart from the phase centers of the remaining transmitting antennas by an offset value along a second coordinate direction; the phase center of at least one of the receiving antennas being spaced apart from the phase centers of the remaining transmitting antennas by the offset value along the second coordinate direction; an evaluation unit to evaluate electromagnetic signals for the decoupled determination of the elevation angle and the azimuth angle of the object. | 2017-10-26 |
20170307745 | RADAR DEVICE AND METHOD OF DETERMINING PHASE DIFFERENCE FOLDING - There is provided a radar device. A transmission unit includes a transmission antenna for transmitting a signal of a first frequency and a signal of a second frequency. A reception unit includes a first receiving antenna and a second receiving antenna for receiving a first signal obtained by bouncing the signal of the first frequency off a target, and a second signal obtained by bouncing the signal of the second frequency off the target. A control unit determines folding of a first phase difference, based on the first phase difference between the first signal received by the first receiving antenna and the first signal received by the second receiving antenna, a second phase difference between the second signal received by the first receiving antenna and the second signal received by the second receiving antenna, and a difference between the first phase difference and the second phase difference. | 2017-10-26 |
20170307746 | SYSTEMS AND METHODS FOR RADAR-BASED LOCALIZATION - A method and system for localization of a ground-based vehicle or moving object within an environment. The system acquires radar map data from a radar system and compares the radar map data to reference map data. The position of the vehicle or moving object is then obtained by matching the radar map data to the reference map data. | 2017-10-26 |
20170307747 | POSITION ACQUISTION METHOD AND APPARATUS - The present application discloses a position acquisition method and a position acquisition apparatus. The method includes: selecting at least one group of N effective devices from known devices that transmit signals to a target device or known devices that receive signals transmitted by the target device; adjusting a numerical value of a conversion scaling factor with respect to each group of N effective devices, and seeking a corrected value of the conversion scaling factor; wherein the conversion scaling factor is used to convert a signal intensity of the signal transmitted by the effective device towards the target device or the received signal transmitted by the target device into a distance; and calculating and acquiring a position of the target device by using at least one corrected value of the conversion scaling factor acquired. Position acquisition accuracy is improved through the embodiments of the present application. | 2017-10-26 |
20170307748 | SYSTEMS AND METHODS FOR MEASURING WAVE FIELDS OF A BODY OF WATER - This disclosure relates to systems and methods for measuring wave fields of a body of water. A system can include a radiation source and an antenna that can cooperate with the radiation source to transmit a radio frequency (RF) signal to a wave field having one or more waves. The antenna can receive backscattered signals from the wave field. The system can include a local oscillator and a processor. The local oscillator downconverts the backscattered signals into baseband signals and the processor can process the baseband signals to determine a relative velocity of each of the waves of the wave field. The processor can further be programmed to identify an observed portion of the backscattered signals as bad data and remove the bad data from further processing. | 2017-10-26 |
20170307749 | RADAR APPARATUS - In a radar apparatus, a determining unit compares a ratio (−Vr/Vn) of a relative velocity (Vr) to a radar-apparatus-installed vehicle velocity (Vn) with a determination value (a) that is a cosine (cos θc) of the detection limit angle (±θc) or the cosine (cos θc) plus a correction value including a measurement error. When a determination is made that the ratio (−Vr/Vn) exceeds the determination value (α), a target is determined to be a real target of a crossing object, such as a crossing pedestrian, or a stationary object, whereas when a determination is made that the target is not a real target, the target is determined to be a ghost of a crossing object or a stationary object. Thus, a real target of a crossing object or a stationary object can be distinguished from a ghost of the object, and hence a ghost is not falsely determined to be a real target, preventing inappropriate brake control. | 2017-10-26 |
20170307750 | WAVEFORM ESTIMATION DEVICE AND WAVEFORM ESTIMATION METHOD - A waveform estimation device includes: tracking filter processing units | 2017-10-26 |
20170307751 | SYSTEMS AND METHODS FOR UNIFIED MAPPING OF AN ENVIRONMENT - A method and system for generating a map of an environment based on information acquired by radar combined with information acquired from LIDAR, cameras, or a combination of the LIDAR and camera. The system uses a combination of data from a radar system combined with data from one or both of a camera system and LIDAR system to generate a unified map of the environment. | 2017-10-26 |
20170307752 | METHOD OF OPTIMIZING PICTURE CAPTURES CARRIED OUT BY AN AIRBORNE RADAR IMAGING DEVICE, AND MISSION SYSTEM IMPLEMENTING SUCH A METHOD - A radar imaging device having a mission to produce a radar image of a given target, comprising a step of determining the trajectory of the carrier of the imaging device comprises at least: a phase of determining a segment of trajectory for the picture capture, as a function of the position of the target and of the type of image to be produced, the picture capture segment being dedicated to the picture capture of the target by the imaging device; a phase of adding a segment of trajectory of stabilizing the carrier, situated upstream in the extension of the picture capture segment; a phase of addition of a segment of trajectory for homing the carrier onto the stabilizing segment. | 2017-10-26 |
20170307753 | ADAPTIVE FILTERING FOR FMCW INTERFERENCE MITIGATION IN PMCW RADAR SYSTEMS - A radar sensing system for a vehicle includes a transmitter configured for installation and use on a vehicle and able to transmit radio signals. The radar sensing system also includes a receiver and a processor. The receiver is configured for installation and use on the vehicle and able to receive radio signals. The received radio signals include transmitted radio signals that are reflected from objects in the environment. The received radio signals further include radio signals transmitted by at least one other radar system. The processor samples the received radio signals to produce a sampled stream. The processor is configured to control an adaptive filter. Responsive to the processor, the adaptive filter is configured to filter the sampled stream, such that the radio signals transmitted by the at least one other radar system are removed from the received radio signals. | 2017-10-26 |
20170307754 | Method for Providing Information About at Least One Object in a Surrounding Region of a Motor Vehicle and System - A method for providing information about at least one object in a surrounding area of a motor vehicle of a vehicle fleet is provided. The information in the motor vehicle is detected and, together with position data of the motor vehicle is transmitted and provided to a traffic information collection device. The information having at least one first geographic location of the object and a second geographical position of the object is provided and the second geographical position is determined and provided depending on the first geographical position. | 2017-10-26 |
20170307755 | Method and System for Determining Signal Direction - Methods and systems for the efficient determination of the direction of multiple signal sources in both near and far field using hierarchical combinations of sets of raw input signals to convert spatial input to angular output. Each increasing hierarchical combination increases angular resolution, improving image quality with low computational expenditure. | 2017-10-26 |
20170307756 | ULTRASONIC TRANSDUCER HAVING FLEXIBLE PRINTED CIRCUIT BOARD WITH THICK METAL LAYER AND MANUFACTURING METHOD THEREOF - An ultrasonic transducer having a flexible printed circuit board with a thick metal layer and a manufacturing method thereof are disclosed. The ultrasonic transducer, according to an embodiment of the present invention, comprises: an active element that generates an ultrasonic signal, wherein the active element has a thickness of ¼λ or less at the center frequency of the generated ultrasonic signal; and a flexible printed circuit board that includes a metal layer with a predetermined thickness, which is formed on one surface of the active element and is electrically connected to the active element, wherein the metal layer blocks ultrasonic waves that propagate in an opposite direction to a predetermined travel path of the ultrasonic waves. | 2017-10-26 |
20170307757 | DYNAMIC EXPANSION OF A DISTANCE MEASURING DEVICE HAVING A VARIABLE OPTICAL ATTENUATION ELEMENT IN THE TRANSMITTING CHANNEL - A measuring device, in particular a tachymeter, laser scanner, profiler, or laser tracker, having an electronic laser distance measuring module, which comprises an optical transmitting channel having a transmitting unit and an optical receiving channel having a receiving unit for laser measuring radiation, wherein the beam guiding in the electronic laser distance measuring module is implemented by means of fiber optics, and wherein a settable attenuation unit based on an optically active crystal for attenuating the laser measuring radiation generated by the transmitting unit is provided in the optical transmitting channel. | 2017-10-26 |
20170307758 | Scanning Lidar Systems for Three-Dimensional Sensing - A lidar system includes a laser source, a photodetector, an emission lens, a receiving lens, and a processor. The laser source is configured to be translated through a plurality of emission locations, and to emit a plurality of laser pulses therefrom. The emission lens is configured to collimate and direct the plurality of laser pulses towards an object. The receiving lens is configured to focus the portion of each of the plurality of laser pulses reflected off of the object to a plurality of detection locations. The photodetector is configured to be translated through the plurality of detection locations, and to detect the portion of each of the plurality of laser pulses. The processor is configured to determine a time of flight for each of the plurality of laser pulses from emission to detection, and construct a three-dimensional image of the object based on the determined time of flight. | 2017-10-26 |
20170307759 | Multi-Range Three-Dimensional Imaging Systems - A three-dimensional imaging system includes a lidar sensor having a first optical axis oriented at a first angle toward a scene and configured to determine a three-dimensional image of one or more first objects in the scene, and an optical three-dimensional sensor having a second optical axis oriented at a second angle toward the scene and configured to construct a three-dimensional image of one or more second objects in the scene. The first three-dimensional sensor is characterized by a first angular field of view. The second three-dimensional sensor is characterized by a second angular field of view different from the first angular field of view. | 2017-10-26 |
20170307760 | GNSS REGIONAL CORRECTION DATA DECODING - A correction message for regional GNSS data includes data from several stations in a network. The correction message has at least one cluster message. The cluster message contains cluster elements relating to a subset of GNSS stations. | 2017-10-26 |
20170307761 | METHOD OF COLLABORATIVE DETERMINATION OF POSITIONING ERRORS OF A SATELLITE-BASED NAVIGATION SYSTEM - The positioning signals broadcast by GNSS constellations are affected by significant errors, notably due to the crossing of the ionospheric layer or of the tropospheric layer. Several unwieldy means have been deployed to provide professional users with corrections of said errors. These means, however, all require the knowledge of at least one precise reference point at a given distance. According to the invention, positioning receivers that are not very precise, such as smartphones, present in a geographical zone, of unknown precise position, can contribute to the production of precise atmospheric error corrections if said receivers are sufficiently numerous. | 2017-10-26 |
20170307762 | CIRCUIT DEVICE, OSCILLATOR, ELECTRONIC APPARATUS, AND VEHICLE - A circuit device includes a phase comparator that performs phase comparison between an input signal based on an oscillation signal and a reference signal, a processor that performs a signal process, and an oscillation signal generation circuit that generates the oscillation signal having an oscillation frequency which is set on the basis of frequency control data from the processor. The circuit device also includes at least one of a first register that stores phase comparison result data, a second register in which one of offset adjustment data for GPS and offset adjustment data for UTC is set, and a third register in which offset adjustment data for adjusting a phase difference is set. | 2017-10-26 |
20170307763 | ROAD REGISTRATION DIFFERENTIAL GPS - A system and method of calibrating satellite signals broadcast by one or more satellites of a satellite positioning system. The system receives sensor data from one or more sensors provided on a vehicle. The system further detects satellite signals from the one or more satellites, and determines timing offsets associated with the satellite signals from each of the one or more satellites based at least in part on the sensor data. For example, the one or more sensors may include at least one of a camera or a rangefinder, and the sensor data may correspond to a three-dimensional sensor image that may be used to determine a location of the vehicle. | 2017-10-26 |
20170307764 | RADIATION DETECTOR - A radiation detector (radiation sensor | 2017-10-26 |
20170307765 | DETECTOR ASSEMBLY FOR USE IN CT IMAGING SYSTEMS - A detector assembly for a CT imaging system is provided. The detector assembly including a scintillator block including a plurality of pixels, each pixel configured to receive x-ray beams travelling in a transmission direction, a plurality of photodiodes, and a light guide coupled between the scintillator block and the plurality of photodiodes, the light guide including a plurality of light pipes, each light pipe configured to guide light emitted from a pixel of the plurality of pixels into an associated photodiode of the plurality of photodiodes, wherein each pixel has a first cross-sectional area that is substantially perpendicular to the transmission direction, wherein each photodiode has a second cross-sectional area that is substantially perpendicular to the transmission direction, and wherein the first cross-sectional area is different from the second cross-sectional area. | 2017-10-26 |
20170307766 | DETECTOR UNIT FOR DETECTOR ARRAY OF RADIATION IMAGING MODALITY - Among other things, a detector unit for a detector array of a radiation imaging modality is provided. In some embodiments, the detector unit comprises a radiation detection sub-assembly and an electronics sub-assembly. The electronics sub-assembly comprises electronic circuitry, embedded within a molding compound, configured to digitize analog signals yielded from the radiation detection sub-assembly and/or to otherwise process such analog signals. The electronics sub-assembly also comprises a substrate, such as a printed circuit board, configured to route signals between the electronic circuitry and a photodetector array of the radiation detection sub-assembly and/or to route signals between the electronic circuitry and digital processing components, such as an image generator, for example. | 2017-10-26 |
20170307767 | A RADIATION DETECTOR AND A METHOD THEREOF - The radiation detector ( | 2017-10-26 |
20170307768 | SYSTEMS AND METHODS FOR HIGH VOLTAGE CONVERSION AND MULTIPLICATION FOR IONIZING RADIATION DETECTION - Systems and methods for high voltage conversion and multiplication for ionizing radiation detection are disclosed. According to an aspect, an electronic device comprises at least one detector configured for detecting ionizing radiation. Further, the electronic device comprises a translator assembly coupled to the at least one detector and configured to convert a voltage from a first voltage level to a second voltage level, wherein the at least one detector operates at the first voltage level. Further, the translator assembly is configured to voltage isolate the at least one detector operating at the first voltage level from a coupled electronic circuit operating at the second voltage level. | 2017-10-26 |
20170307769 | PORTABLE RADIOGRAPHIC IMAGE CAPTURING APPARATUS - A portable radiographic image capturing apparatus includes a radiation conversion panel configured to output image information on the basis of applied radiation, a casing housing the radiation conversion panel therein, and a plurality of support members on which the radiation conversion panel is supported in the casing. The support members have slot structures housing wires therein. | 2017-10-26 |
20170307770 | FWI With Areal And Point Sources - A method, including performing, with a computer, up/down separation of geophysical data, which produces an approximate up-going wavefield and an approximate down-going wavefield; creating an areal source based at least in part on the down-going wavefield; and performing, with a computer, a full wavefield inversion process with the areal source, and an objective function measuring a misfit between modeled up-going wavefields and recorded up-going wavefields, wherein the full wavefield inversion process generates a final subsurface physical property model. | 2017-10-26 |
20170307771 | MONITORING MICROSEISMIC EVENTS | 2017-10-26 |
20170307772 | FORMATION MEASUREMENTS USING DOWNHOLE NOISE SOURCES - A method of performing measurements of an earth formation includes disposing at least a first receiver and a second receiver in one or more monitoring boreholes in a formation, and injecting fluid into the formation from an injection borehole, wherein injecting includes operating a fluid control device to generate seismic and/or acoustic noise having an identifiable characteristic. The method also includes detecting seismic and/or acoustic signals at the first receiver and detecting seismic and/or acoustic signals at a second receiver, the seismic and/or acoustic signals corresponding to the seismic and/or acoustic noise, calculating an estimate of a Green's function between the first receiver and the second receiver by processing seismic and/or acoustic waves detected by the first receiver and the second receiver to at least partially reconstruct the Green's function, and estimating variations in a velocity of a region of the formation by determining variations in the reconstructed Green's function. | 2017-10-26 |
20170307773 | MULTI-VINTAGE ENERGY MAPPING - Multi-vintage energy mapping selects a first seismic survey data and a second seismic survey dataset from a plurality of seismic survey datasets. The first seismic survey dataset includes a set of first energies associated with a first seismic survey geometry, and the second seismic survey dataset includes a set of second energies associated with a second seismic survey geometry. The first set of energies are mapped from the first seismic survey geometry to the second seismic survey geometry, and the second set of energies are mapped from the second seismic survey geometry to the first seismic survey geometry. An updated first seismic dataset and an updated second seismic dataset are generated such that only energies from the first and second seismic datasets associated with changes in a subsurface are preserved in the updated first and second seismic datasets. | 2017-10-26 |