52nd week of 2020 patent applcation highlights part 39 |
Patent application number | Title | Published |
20200400698 | METHOD OF OPERATING A LABORATORY SAMPLE DISTRIBUTION SYSTEM, LABORATORY SAMPLE DISTRIBUTION SYSTEM AND LABORATORY AUTOMATION SYSTEM - A method of operating a laboratory sample distribution system is presented. The system comprises container carriers, a transport plane, and drive elements. The container carriers carry sample containers. The transport plane supports the container carriers. The drive elements move the container carriers on the transport plane. The method comprises planning a movement path for a container carrier from a start to a goal on the transport plane modelled by nodes. The nodes are free for one time-window or reserved for one-time window. The planning comprises analyzing the reachability out of a free time-window of one node to free time-windows of a next node and an over-next node such that planned movement of the container carrier is nonstop. The method comprises reserving the planned movement path comprising a sequence of time-windows of nodes and moving the container carrier along the reserved movement path on the transport plane by a drive element. | 2020-12-24 |
20200400699 | AUTOMATIC ANALYZER - An automatic analyzer allows identification of the patient specimen for which the specific reagent and the standard solution have been used, and verification of reliability of the analysis results. A plot mark | 2020-12-24 |
20200400700 | BIOCHEMICAL ANALYZER - Provided is a biochemical analyzer, which includes a housing, a sample feeding mechanism, a rotating mechanism, a pipetting mechanism, analyzing mechanisms, a sample discharging mechanism and a sample discharging box, wherein a sample feeding port and a sample discharging port are formed in the housing; the sample feeding mechanism is arranged in the housing and capable of introducing detection cards containing samples and reagents into the housing from the sample feeding port; the rotating mechanism is capable of clamping a plurality of detection cards and driving the detection cards to rotate; the sample feeding mechanism is capable of clamping the detection cards on the rotating mechanism; the pipetting mechanism is capable of mixing the samples with the reagents on the detection cards; the analyzing mechanisms are capable of analyzing the samples through detection rays; the sample discharging mechanism is used for removing the detection cards from the rotating mechanism. | 2020-12-24 |
20200400701 | SAMPLE FEEDING APPARATUS, SAMPLE ANALYZING DEVICE, AND CONTROL METHOD FOR SAMPLE FEEDING APPARATUS - A sample feeding apparatus, a sample analyzing device, and a control method for a sample feeding apparatus are disclosed. At least two of a feeding unit, a temporary storage unit, and a recovery unit together form a vertical stack structure, and a dispatching manipulator transfers a sample vessel among the feeding unit, the temporary storage unit, the recovery unit, and a sample aspiration region. The space in a vertical direction can be reasonably utilized, superposition is performed in space to simplify the dispatching process, and the occupation of a horizontal space is reduced. As a result, the floor space is reduced, and the apparatus is further miniaturized. | 2020-12-24 |
20200400702 | SPECIMEN MEASUREMENT METHOD AND SPECIMEN MEASUREMENT APPARATUS - Disclosed is a specimen measurement method for measuring platelet aggregation of a specimen, and the specimen measurement method includes: automatically preparing a diluted reagent solution that contains a platelet-aggregating reagent diluted with a diluent; preparing a measurement sample that contains a predetermined concentration of the platelet-aggregating reagent, from the diluted reagent solution and the specimen; and performing optical measurement of the measurement sample. | 2020-12-24 |
20200400703 | SYSTEMS, METHODS, AND DEVICES FOR SELF-DIGITIZATION OF SAMPLES - Systems, methods, and devices for discretizing and analyzing fluidic samples are provided. In one aspect, a microfluidic array for discretizing a fluidic sample comprises one or more flow channels and a plurality of fluidic compartments in fluidic communication with the one or more flow channels. In another aspect, a system for discretizing and analyzing fluidic samples comprises a rotor assembly shaped to receive a microfluidic device. | 2020-12-24 |
20200400704 | METHOD AND APPARATUS WITH POSTURE ESTIMATION - A processor-implemented posture determination method includes: estimating a rotational acceleration of a timepoint based on an angular velocity measured by a first sensor at the timepoint and a determined center of rotation of a previous timepoint; correcting an acceleration measured by a second sensor at the timepoint based on the rotational acceleration; and determining a center of rotation of the timepoint and a posture of the timepoint based on the corrected acceleration and an estimated posture of the timepoint. | 2020-12-24 |
20200400705 | METHOD FOR DETERMINING THE TENSION OF A DRIVE BELT - A method for determining the tension of a drive belt, wherein the drive belt is provided for transmission of a torque generated by a drive unit to a load, for example, a door leaf of a door system includes a first process step a., the load is moved from a moving state into a rest state. In a following process step b., the motor voltage is recorded during execution of process step a. and the time-resolved motor voltage curve is prepared. In step c., the motor current is determined from the recorded motor voltage or the motor voltage curve and a time-resolved motor current curve is prepared. In a last step d., the time-resolved motor current curve is evaluated and the tension of the drive belt is determined by means of selected curve features of the motor current curve. | 2020-12-24 |
20200400706 | COMPUTING DEVICE AND RELATED METHODS FOR DETERMINING WIND SPEED VALUES FROM LOCAL ATMOSPHERIC EVENTS - A computing device comprising a portable housing having opposing top and bottom edges and opposing side edges, a memory carried by the portable housing, a display carried by the portable housing, a rotational motion sensor carried by the portable housing, and a processor carried by the portable housing and coupled to the memory, the display, and the rotational sensor. The processor may be configured to determine a rotational angle of the portable housing based upon the rotational motion sensor as the portable housing is rotated to a position where an orientation of at least one of the sides of the portable housing matches an orientation of a localized atmospheric event, calculate a localized wind speed value from the determined rotational angle, and output the calculated localized wind speed value on the display. | 2020-12-24 |
20200400707 | PIEZOELECTRIC SENSOR - The disclosure provides a piezoelectric sensor including a connector and a charge output element. The connector includes a connector housing and a conductive terminal interposed inside the connector housing. The connector housing and the conductive terminal are connected by a first insulating layer. The charge output element includes a base including opposite axially top and bottom ends. A first recess is provided at the top end of the base. A connecting member is disposed inside the first recess along an axial direction of the first recess. A piezoelectric element, a mass block and a fastener are sequentially sleeved on the connecting member. The base includes a second recess formed by recessing an outer peripheral surface of the base toward an interior of the base. The connector is connected to an inner wall of the second recess. A recessed direction of the second recess intersects the axial direction of the base. | 2020-12-24 |
20200400708 | PIEZOELECTRIC SENSOR - The present disclosure relates to a piezoelectric sensor, which comprises a charge output element comprising a first end surface and a second end surface opposite to each other in a length direction, and comprising a base and a connecting member extending from the base in a height direction, wherein a piezoelectric member and a mass are sleeved on the connecting member, and are fixed to the connecting member via a pretensioning member; a connector, disposed above the first end surface of the charge output element with a predetermined distance from the first end surface in the length direction, and comprising a connector housing and a conductive terminal, which is inserted into an interior of the connector housing and connected to the connector housing by a first insulating layer; and a case, containing the charge output element and connected with the connector housing and the base. | 2020-12-24 |
20200400709 | CABLE AND HIGH TEMPERATURE RESISTANT PIEZOELECTRIC ACCELERATION SENSOR - The present disclosure relates to a cable and a high temperature resistant piezoelectric acceleration sensor. The cable comprises a high temperature connection terminal, a low temperature connection terminal, and a high temperature resistant wire segment and a low temperature wire segment located between the high temperature connection terminal and the low temperature connection terminal. The high temperature connection terminal is connected to the high temperature resistant wire segment, and the low temperature connection terminal is connected to the low temperature wire segment; the high temperature resistant wire segment and the low temperature wire segment are connected by a connecting member; and the low temperature wire segment has a bending radius smaller than that of the high temperature resistant wire segment, and the cable can be connected to a high temperature device via the high temperature connection terminal, and connected to a normal temperature device via the low temperature connection terminal. | 2020-12-24 |
20200400710 | CHARGE OUTPUT ELEMENT AND PIEZOELECTRIC ACCELERATION SENSOR - The disclosure provides a charge output element and a piezoelectric acceleration sensor. The charge output element includes: a base including a supporting member and a connecting member disposed on the supporting member; a flexible member sleeved on the connecting member for bending deformation; a mass block assembly disposed around a circumference of the connecting member, wherein the mass block assembly is coupled to the connecting member by the flexible member and suspended above the supporting member to drive the flexible member to be bent and deformed in an extending direction of the connecting member; and a piezoelectric element attached to a surface of the flexible member away from the supporting member and disposed to move along with movement of the flexible member. Therefore, the sensitivity of the charge output element can be improved while the sensitivity of the charge output element is not susceptible to the strain of the base. | 2020-12-24 |
20200400711 | PIEZOELECTRIC ACCELERATION SENSOR - The disclosure provides a piezoelectric acceleration sensor including a charge output element, a casing, a cable assembly and a connector. The casing is snap-fitted to a supporting portion of a base of the charge output element, and forms a receiving space for receiving the charge output element, the piezoelectric, and the mass block with the supporting portion. The cable assembly is connected to the supporting portion. The connector is connected to an end of the cable assembly facing away from the supporting portion, and is insulated from the cable assembly. One end of either of a first lead and a second lead of the cable assembly is electrically connected to the piezoelectric element, while the other end of the first lead is electrically connected to a conductive terminal of the connector and the other end of the second lead is electrically connected to a housing of the connector. | 2020-12-24 |
20200400712 | MEMS INERTIAL SENSOR WITH HIGH RESISTANCE TO STICTION - An inertial structure is elastically coupled through a first elastic structure to a supporting structure so as to move along a sensing axis as a function of a quantity to be detected. The inertial structure includes first and second inertial masses which are elastically coupled together by a second elastic structure to enable movement of the second inertial mass along the sensing axis. The first elastic structure has a lower elastic constant than the second elastic structure so that, in presence of the quantity to be detected, the inertial structure moves in a sensing direction until the first inertial mass stops against a stop structure and the second elastic mass can move further in the sensing direction. Once the quantity to be detected ends, the second inertial mass moves in a direction opposite to the sensing direction and detaches the first inertial mass from the stop structure. | 2020-12-24 |
20200400713 | INERTIAL SENSOR, ELECTRONIC INSTRUMENT, AND VEHICLE - An inertial sensor includes a movable element including a first movable section and a second movable section, a first detection electrode, and a first dummy electrode. The first movable section has a first section, a second section that is farther from the swing axis than the first section, and a third section disposed between the first section and second section. The first section of the first movable section has a first opening and the third section of the first movable section has a second opening. An opening ratio of the first opening to the first section of the first movable section is smaller than an opening ratio of the second opening to the third section of the first movable section. | 2020-12-24 |
20200400714 | Acceleration Sensor And Electronic Apparatus - An acceleration sensor includes a base substrate provided with a first recess part, and a sensor part located on the first recess part and swingably supported in a depth direction of the first recess part by a support part, wherein the sensor part is sectioned into a first part and a second part by the support part, includes a movable electrode part in the first part and the second part, a through hole is provided at least at an end side in the second part larger in mass than the first part, and the base substrate includes a fixed electrode part in a position opposed to the movable electrode part in the first recessed part, and a second recess part deeper than the first recess part is provided in a position opposed to the end side of the sensor part. | 2020-12-24 |
20200400715 | Measuring Device for a Scanning Probe Microscope and Method for Scanning Probe Microscopy of a Measurement Sample by Means of a Scanning Probe Microscope - A measuring device for a scanning probe microscope including a sample receptacle configured to receive a sample; a measuring probe which is arranged on a probe holder and has a probe tip; a displacement device which moves the measuring probe and the sample receptacle relative to each other; a control device which is connected to the displacement device and controls the relative movement between the measuring probe and the sample receptacle; and a sensor device which is configured to detect, movement measurement signals during an absolute measurement for a movement of the measuring probe and/or a movement of the sample receptacle. The movement measurement signals are relayed to the control device. The control device is configured to control the relative movement. The invention also provides a scanning probe microscope, as well as a method for examining a sample. | 2020-12-24 |
20200400716 | Deformable Imaging Phantom for 4D Motion Tracking - A deformable phantom, according to the present invention, has a housing made of a MRI invisible material enclosing a sealed reservoir filled with a MRI signal producing material, a piston slidably mounted within a sleeve and extending into the sealed reservoir, wherein the sleeve is slidably mounted to the housing and extends into the sealed reservoir, and a deformable structure within the sealed reservoir. The piston and sleeve move opposite to one another to conserve a constant fluid volume within the sealed reservoir as the piston moves in and out of the sealed reservoir to cause motion and/or deformation of the deformable structure. | 2020-12-24 |
20200400717 | MEASURING SYSTEM - The present disclosure relates to a measuring system including: an automation field device embodied for determining and/or monitoring a process variable of a medium; a connection unit, which includes a connection plug, which is electrically connected with the field device, and a cable, which is connected to the connection plug with a cable connection and which serves for supplying the field device with electrical energy and/or for transmitting information between the field device and a superordinated unit; and a protective cover, which surrounds the connection unit and the field device connected with the connection unit in a protection section, wherein by means of the protective cover the impact resistance of the measuring system in the protection section is increased. | 2020-12-24 |
20200400718 | Self Flattening Test Socket With Anti-Bowing And Elastomer Retention - A high density thin walled test device testing chips/ICs is disclosed. A housing includes a slot for a contact pin and a pair of elastomers. The pin has an arcuate recess to receive part of the elastomer. Likewise the housing includes a channel to receive part of the elastomer. The recess and channel together partially surround the elastomer but not completely to allow shear forces and expansion space for the elastomer as it is compressed by the channel and recess. In addition, a front channel extends from the top surface of the housing toward the bottom surface but leaving a floor to support the elastomer so that it does not warp the housing when compressed. Further, the channel or the recess may include retainers which prevent the elastomer from moving out of position when the pin is in an uncompressed state. | 2020-12-24 |
20200400719 | HIGH SIDE CURRENT MONITOR - Systems, methods, and an apparatus for current monitoring are disclosed. A current monitor comprises a high-voltage side configured to obtain a signal indicative of current through a conductor and apply different levels of gain to different frequency bands of the signal to produce an adjusted signal. A low-voltage side of the current monitor is electrically isolated from the high-voltage side and is configured to split the adjusted signal to produce a plurality of output signals that are each indicative of a level of current at one of the different frequency bands. An isolation amplifier is configured to communicate the adjusted signal from the high-voltage side to the low-voltage side while electrically isolating the high-voltage side from the low-voltage side. | 2020-12-24 |
20200400720 | CURRENT DETECTION APPARATUS AND MANUFACTURING METHOD OF THE SAME - Magnetic sensors each disposed to face each of current paths for each of windings with 2n phases (n is a multiple of three) in an AC rotating machine are included, and when each of a DC component and an AC component in a d-axis sum current and a q-axis sum current obtained by performing a dq-transformation into a two-axis coordinate system on 2n detection currents on the assumption that all current amplitudes of the windings are the same is represented collectively with each of terms expressed by sine functions with different phases to one another, each of the current paths at each of 2n current path arrangement positions is arranged to have a positional relationship where error components are reduced by cancellation among coefficients included at least in one of the terms or by cancellation among values of the terms. | 2020-12-24 |
20200400721 | SENSOR UNIT - A sensor unit includes a bus bar and a magneto-electric conversion device. The bus bar connects a plurality of switch elements constituting a part of a power conversion circuit and a motor. The magneto-electric conversion device is disposed to face a middle portion of the bus bar across a clearance in a predetermined direction to detect a magnetic field caused by an electric current flowing through the bus bar, to thereby detects the electric current. The bus bar includes a first end and a second end. The first end of the bus bar is connected to one of a switch terminal extending from the switch elements and a motor terminal extending from the motor, and the second end of the bus bas is connected to the other of the switch terminal and the motor terminal. | 2020-12-24 |
20200400722 | CURRENT DETECTION APPARATUS AND MANUFACTURING METHOD OF THE SAME - Magnetic sensors each disposed to face each of current paths for each of windings with 2n phases (n is a multiple of three) in an AC rotating machine are included, and when each of a DC component and an AC component in a d-axis sum current and a q-axis sum current obtained by performing a dq-transformation into a two-axis coordinate system on 2n detection currents on the assumption that all current amplitudes of the windings are the same is represented collectively with each of terms expressed by sine functions with different phases, each of the current paths at each of 2n current path arrangement positions is arranged to have a positional relationship where error components are reduced by cancellation among coefficients included at least in one of the term or by cancellation among values of the terms. | 2020-12-24 |
20200400723 | Electrometry by Optical Charge Conversion of Defects in the Solid-State - Methods and systems are disclosed for sensing an environment electric field. In one exemplary implementation, a method includes disposing a sensor in the environment, wherein the sensor comprising a crystalline lattice and at least one optically-active defect in the crystalline lattice; pre-exciting the crystalline lattice to prepare at least one defect in a first charge state using a first optical beam at a first optical wavelength; converting at least one defect from the first charge state to a second charge state using a second optical beam at a second optical wavelength; monitoring a characteristics of photoluminescence emitted from the defect during or after the conversion of the at least one defect from the first charge state to the second charge state; and determining a characteristics of the electric field in the environment according to the monitored characteristics of the photoluminescence. | 2020-12-24 |
20200400724 | ACTIVE INPUT VOLTAGE SENSING FOR LOW VOLTAGE ANALOG SIGNAL DETECTION - An input circuit for detecting low voltage analog signals in an electrically noisy environment receives the analog input signal at an input terminal. The analog input signal is compared to a variable reference signal at a comparator circuit. An active hysteresis circuit provides feedback to the comparator. In a first operating mode, the active hysteresis circuit may be disabled or be configured to output a constant voltage. In a second operating mode, the active hysteresis circuit may be enabled or configured to output a varying level of voltage. The output of the feedback circuit is summed with the variable reference signal and supplied as the input signal to the comparator, such that signal against which the analog input signal is compared is a general constant value in the first operating mode and varies with respect to time in the second operating mode. | 2020-12-24 |
20200400725 | ELECTRICAL OVERSTRESS DETECTION DEVICE - The disclosed technology generally relates to electrical overstress protection devices, and more particularly to electrical overstress monitoring devices for detecting electrical overstress events in semiconductor devices. In one aspect, a device configured to monitor electrical overstress (EOS) events includes a pair of spaced conductive structures configured to electrically arc in response to an EOS event, wherein the spaced conductive structures are formed of a material and have a shape such that arcing causes a detectable change in shape of the spaced conductive structures, and wherein the device is configured such that the change in shape of the spaced conductive structures is detectable to serve as an EOS monitor. | 2020-12-24 |
20200400726 | VOLTAGE THRESHOLD SENSING SYSTEMS AND RELATED METHODS - Implementations of voltage sensing systems may include: a high side current mirror coupled to a reference current source coupled to at least one diode. The at least one diode may be coupled to a resistor and to a comparator. The resistor may be coupled to the ground. The comparator may be coupled with a reference voltage. The comparator may be configured to receive a comparison voltage from the diode and output whether the comparison voltage is higher or lower than the reference voltage. | 2020-12-24 |
20200400727 | DISTRIBUTED ELECTRICAL ENERGY METER - A system for measuring electrical network parameters may include a voltage sensing node of an electrical network with a first clock and a current sensing node of the electrical network with a second clock. At least one of the voltage sensing node and the current sensing node synchronizes the first clock with the second clock. The voltage sensing node samples a voltage signal from a voltage transducer and the current sensing node samples a plurality of current signals from respective current transducers. The voltage sensing node resamples the sampled voltage signal to determine corresponding resampled voltage signals, and the current sensing node resamples each of the sampled current signals to determine corresponding resampled current signals. The voltage sensing node communicates (1) corresponding re-sampled voltage signals and (2) a voltage time stamp based on the synchronized first clock associated with the sampled voltage signal to the current sensing node through a communication link. The system calculates electrical network parameters at the current sensing node based upon the re-sampled voltage signals and the re-sampled current signals. | 2020-12-24 |
20200400728 | SYSTEM AND METHOD OF IDENTIFYING PATH OF RESIDUAL CURRENT FLOW THROUGH AN INTELLIGENT POWER STRIP - A system and method is disclosed for detecting a specific voltage phase, from a multiphase voltage source, and a specific outlet of an intelligent power strip, that is associated with a residual current flow. The method accomplishes this by using a system that employs a statistical time series analysis using a Pearson's correlation coefficient calculation to measure the linear dependence between the discretely sampled residual current waveform and each phase and outlet's discretely sampled current waveforms, in turn. A residual current as low as 1 mA can be accurately measured and its associated voltage phase source, as well as which outlet of an intelligent power strip it flows out of, can be reliably determined. | 2020-12-24 |
20200400729 | ELECTRICAL METER WITH MULTIPLE MODES OF OPERATION - An electrical meter may process measurements of a power line to a building to determine information about devices in the building, such as a state change of a device or power consumption of an individual device. The electrical meter may have more than one mode of operation to provide improved functionality for end users. For example, a first mode of operation may provide higher accuracy in determining information about devices but may also have higher latency in making determinations (e.g., identifying state changes of devices), and a second mode of operation may have lower accuracy but also lower latency to provide information more quickly to end users. The mode of operation of the power monitor may change depending on whether an end user is currently viewing information about devices. | 2020-12-24 |
20200400730 | FREQUENCY SPECTRUM MONITORING DATA STRUCTURED REPRESENTATION METHOD, AND DATA PROCESSING METHOD AND COMPRESSION METHOD - Provided is a frequency spectrum monitoring data structured representation method, comprising the following steps: discretizing frequency spectrum monitoring data of a single station in a time dimension and a frequency spectrum dimension to form a two-dimensional frequency spectrum matrix; and arranging frequency spectrum matrices, obtained by all the stations in a certain region, according to a certain rule by taking a certain point as the center, so as to construct a three-dimensional frequency spectrum matrix body. The positive effects of the present invention are that: four dimensions, i.e. time, frequency spectrum, space and energy, of frequency spectrum data can be associated to form a structured organization system meeting frequency spectrum monitoring data; a mathematical operation can be further defined for a frequency spectrum matrix and a frequency spectrum matrix body, thereby conveniently performing information mining on massive monitoring data; and subsequent compression processing and remote transmission of the monitoring data can be facilitated, and requirements of frequency spectrum monitoring station network system construction and big data processing are better met, so that the frequency spectrum monitoring data is utilized more rationally and efficiently. | 2020-12-24 |
20200400731 | DISPLACEMENT SENSOR-COMBINED ELECTROSTATIC MEASUREMENT POTENTIAL SENSOR AND OPERATION METHOD THEREFOR - Disclosed are a displacement sensor-combined electrostatic measurement potential sensor, and an operation method therefor, wherein a displacement sensor and an electrostatic measurement potential sensor are provided in one device, and operations thereof are linked; a distance to an electrified body measured by the displacement sensor is stored in a main controller to automatically correct a measurement value of the amount of static electricity obtained by the potential sensor; a change in capacitance that the displacement sensor affects with respect to the potential sensor is applied to correction of an error in a result value measured by the potential sensor, so that it is possible to solve the problem of malfunction according to detection of the electrified body, wherein the distance thereto is changed, and accurately measure the potential; and by manufacturing the device in a small size, easy use is achieved and manufacturing and installation costs are reduced. | 2020-12-24 |
20200400732 | WAFER METROLOGY TECHNOLOGIES - Various approaches can be used to interrogate a surface such as a surface of a layered semiconductor structure on a semiconductor wafer. Certain approaches employ Second Harmonic Generation and in some cases may utilize pump and probe radiation. Other approaches involve determining current flow from a sample illuminated with radiation. Decay constants can be measured to provide information regarding the sample. Additionally, electric and/or magnetic field biases can be applied to the sample to provide additional information. | 2020-12-24 |
20200400733 | WIRE CONNECTION QUALITY MONITORING SYSTEMS - A connection quality system can include a resistance test module, a first line connected to the resistance test module and configured to connect to a wire connection assembly past one or more physical connections of the wire connection assembly, and a second line connected to the resistance test module and configured to connect to the wire connection assembly directly or indirectly on an opposite side of the one or more physical connections of the wire connection assembly such that the first line and the second line are in electrical communication through the wire connection assembly. The resistance test module can be configured to determine if the one or more physical connections are degraded or broken based on a resistance of the wire connection assembly. | 2020-12-24 |
20200400734 | Parameter Free Traveling Wave Based Fault Location for Power Transmission Lines - A method can be used for fault location in a power transmission line connecting a first terminal with a second terminal. Arrival times of a first peak and a second peak of travelling waves are detected from measurements carried out at the first and second terminals. a rough location of a fault is identified based on a comparison of the arrival times obtained for the travelling waves detected from the measurements carried out at the first terminal, and the arrival times obtained for the travelling waves detected from the measurements carried out at the second terminal. The fault location is estimated based the rough location, the arrival times of the first and second peaks of the travelling waves detected from measurements carried out at the first and second terminals, and a length of the power transmission line. | 2020-12-24 |
20200400735 | SYSTEM AND METHOD FOR GEOMAGNETIC DISTURBANCE DETERMINATION FOR POWER SYSTEMS - A system and method for geomagnetic disturbance determination for a power system, the method including: receiving sensor data including an electric field experienced by one or more portions of the power system; determining a total Geomagnetically Induced Current (GIC) as a multi-variable function of phasors in two field directions proportional to the experienced electric field; determining one or more maximum magnitudes of the total GIC and a corresponding direction; and outputting the determined one or more maximum GIC magnitudes and the corresponding directions. In a particular case, determining the one or more maximum magnitudes of the total GIC and the corresponding direction includes setting a gradient of the total GIC to zero to determine one or more extremum points. | 2020-12-24 |
20200400736 | SYSTEMS AND METHODS FOR ACOUSTICALLY DETECTING DIELECTRIC BREAKDOWN AND PARTIAL DISCHARGE EVENTS IN ELECTRICAL DEVICES - A system for acoustically detecting dielectric breakdown of, or partial discharge within, or on, an electrical device includes at least one electroacoustic (EA) transducer configured to detect an acoustic vibration of the electrical device, and a controller electrically connected to the at least one EA transducer. The controller is configured to receive a signal from the at least one EA transducer, and analyze the signal to determine whether the signal includes data associated with an acoustic vibration in a frequency range of dielectric breakdown and/or partial discharge of the electrical device. The applicability of such a system includes, but is not limited to, electronic parts or assembly screening, life characterization testing for materials and processes, diagnostic methods or aides, augmenting testing of components, assemblies or systems, and in service monitoring to support preventative or condition based maintenance to avert an in-service issues. | 2020-12-24 |
20200400737 | Method for assessing and qualifying the functional features of instruments for measurement and diagnosis of partial discharges and facility for generating series of reference pulses of partial discharges - Method for evaluating and qualifying of the functional characteristics of PD measuring and diagnostic instruments, which comprises the following stages:
| 2020-12-24 |
20200400738 | METHODS OF MONITORING CONDITIONS ASSOCIATED WITH AGING OF SILICON CARBIDE POWER MOSFET DEVICES IN-SITU, RELATED CIRCUITS AND COMPUTER PROGRAM PRODUCTS - A method of monitoring a condition of a SiC MOSFET can include (a) applying a first test gate-source voltage across a gate-source of a SiC MOSFET in-situ, the first test gate-source voltage configured to operate the SiC MOSFET in saturation mode to generate a first drain current in the SiC MOSFET, (b) applying a second test gate-source voltage across the gate-source of the SiC MOSFET in-situ, the second test gate-source voltage configured to operate the SiC MOSFET in fully-on mode to generate a second drain current in the SiC MOSFET, (c) determining a drain-source saturation resistance using the first drain current to provide an indication of a degradation of a gate oxide of the SiC MOSFET; and (d) determining a drain-source on resistance using the second drain current to provide an indication of a degradation of contact resistance of the SiC MOSFET. | 2020-12-24 |
20200400739 | MULTILAYER WIRING BASE PLATE AND PROBE CARD USING THE SAME - Included are an insulating plate | 2020-12-24 |
20200400740 | PROBING APPARATUS - A probing apparatus includes a frame, a testing device, a rotatable testing platform, and a probe module. The testing device is disposed on the frame and is displaceable along an X direction and a Y direction perpendicular to the X direction. The rotatable testing platform is disposed on the frame and is rotatable around a rotating axis extending in the X direction. A direction perpendicular to the X direction and the Y direction is a Z direction, and the rotatable testing platform and the testing device are located at different positions of the Z direction. The probe module is disposed on the rotatable testing platform. | 2020-12-24 |
20200400741 | FUNCTIONAL TESTING WITH INLINE PARAMETRIC TESTING - An example test system includes a circuit to sample a signal that is repetitive in cycles to obtain data; a processor configured to generate an eye diagram based on the data, where the eye diagram represents parametric information about the signal; and a functional test circuit to receive the signal and to perform one or more functional tests on the signal. The test systems is configured to receive the signal from a unit under test and to allow the signal to pass to the functional test circuit inline without changing at least part of the signal. | 2020-12-24 |
20200400742 | GENERATING A WAVEFORM BASED ON DIGITAL PULSES - Example automatic test equipment (ATE) includes a first test instrument to receive a waveform from a device under test, where the waveform is based on test signals sent from the ATE to the DUT; circuitry to generate digital pulses based on the waveform; and a second test instrument to receive the digital pulses over at least two digital pins and to process the digital pulses to test the DUT. | 2020-12-24 |
20200400743 | WAFER INSPECTION SYSTEM, WAFER INSPECTION APPARATUS AND PROBER - A wafer inspection system is provided. The wafer inspection system includes: a transfer region in which a transfer device is arranged; an inspection region in which test heads for inspecting a substrate are arranged; and a maintenance region in which the test heads are maintained. The inspection region is located between the transfer region and the maintenance region, a plurality of inspection rooms accommodating the test heads are adjacent to each other in the inspection region, and the test heads are configured to be unloaded from the inspection region to the maintenance region. | 2020-12-24 |
20200400744 | UNLIMITED MULTIPLEXING TESTING SYSTEM FOR PRESS TYPE SWITCH - Disclosures of the present invention describe an unlimited multiplexing testing system for press type switch, which mainly consists of a main board, a plurality of fixing bases, a test controlling module, a first interface unit, a button punching module, and a host device. Particularly, this novel unlimited multiplexing testing system is able to apply at least one button punching test procedure to a great quantity of mechanical switch components, keyboards or computer mice, thereby completing any one type of standard button punching test, such as life cycle test, loading test or endurance test. On the other hand, this unlimited multiplexing testing system can also be adopted for achieving any one of the foregoing standard button punching tests on the mechanical switch components, keyboards and computer mice, simultaneously. | 2020-12-24 |
20200400745 | METHOD AND APPARATUS TO DETECT AND ISOLATE FAULTS IN ROTARY MACHINES - A method and an apparatus are disclosed to detect and isolate faults in a rotary machine having a rotor and at least two stator windings. The method comprises generating an input signal and applying the input signal to a set of stator windings while the rotor is locked at a rotor position, measuring output signals and processing the output signals by Fourier transform to obtain a frequency response, testing the rotary machine at discrete rotor positions to obtain a frequency response function of the rotor position, applying Fourier transform to the frequency response function to obtain a two-dimension frequency response in frequency and spatial frequency domain, comparing the two-dimension frequency response with a reference, determining that there is a fault in the rotary machine if the difference exceeds a threshold number. The apparatus is designed to test a rotary machine using the inventive method. | 2020-12-24 |
20200400746 | DEVICE AND METHOD FOR INSPECTING A CONDITION OF ROTOR WINDINGS OF A GENERATOR - A device for inspecting the rotor windings of a generator includes a sequential logic circuit that generates a full-cycle pulse. A high-voltage full-cycle pulse matching generator couples the full-cycle pulse generated by the sequential logic circuit to form a corresponding transient bidirectional rotating magnetic field pulse. The transient bidirectional rotating magnetic field pulse is transmitted to two ends and a large shaft of the generator rotor winding through an impedance-matched connecting line. The transient bidirectional rotating magnetic field pulse generates a resonance effect with each large coil in the rotor. The pulse signal coupling feedback acquisition circuit couples all waveforms reflected by the generator rotor to form a magnetic field waveform, and the magnetic field waveform is transmitted to a data acquisition system by an operational amplifier. A central processing unit transmits a digital information stream to an upper computer. | 2020-12-24 |
20200400747 | METHOD AND APPARATUS FOR DETECTING DAMAGE OF BATTERY SEPARATOR - Disclosed is a separator damage detecting apparatus. The separator damage detecting apparatus detects a separator damage of a secondary battery by applying a voltage while pressing an electrode assembly having a structure in which a positive electrode plate, a separator and a negative electrode plate are stacked, to induce a temporary short circuit of a positive electrode plate and a negative electrode plate. The separator damage detecting apparatus includes a short circuit measuring unit configured to apply a voltage to the electrode assembly and detect a leakage current; and a pressing jig configured to roll-press at least one surface of the electrode assembly or consecutively press predetermined regions of the at least one surface of the electrode assembly. | 2020-12-24 |
20200400748 | SENSOR UNIT - A sensor unit includes a plurality of bus bars connected to a plurality of switch modules, a terminal block that integrally links the bus bars, and a plurality of magnetoelectric conversion parts that detect currents flowing through the bus bars. Embedded parts of the bus bars embedded in the terminal block are aligned in a first predefined direction with spaces therebetween. The magnetoelectric conversion parts are provided in the terminal block such that they face the embedded parts. Extension parts, extending in the first predefined direction, of any two embedded parts adjacent to each other in a predefined direction adjoin each other in a second predefined direction that intersects the first predefined direction. | 2020-12-24 |
20200400749 | CURRENT MEASURING DEVICE, ENERGY STORAGE APPARATUS, AND CURRENT MEASUREMENT METHOD - A current measuring device of an energy storage device includes: a current breaker that is provided on a current path of the energy storage device; a first current sensor that is on the current path and measures a current of the energy storage device; a second current sensor that is connected in parallel with the current breaker; and a processing unit, in which the second current sensor includes a sensor having a smaller resolution than the first current sensor, and the processing unit performs measurement processing of measuring the current of the energy storage device by selectively using the first current sensor and the second current sensor according to a predetermined selection condition, and failure detection processing of detecting a failure in the current breaker on the basis of a measured value of the second current sensor when the current breaker is switched to open or close. | 2020-12-24 |
20200400750 | METHOD, DEVICE, AND SYSTEM, FOR STATE OF CHARGE (SOC) CORRECTION FOR A BATTERY - The present disclosure provides a method, a device, a system, and a storage medium for SOC correction for a battery. The method includes determining a current OCV measurement value of the battery, and determining whether the current OCV measurement value is within a hysteresis voltage interval; determining, when the current OCV measurement value is within the hysteresis voltage interval, a charging SOC value corresponding to the current OCV measurement value in the charging state and a discharging SOC value corresponding to the current OCV measurement value in the discharging state; and determining, based on a SOC confidence interval determined from the charging SOC value and the discharging SOC value, a SOC correction target value to correct a current SOC value of the battery. The embodiments of the present disclosure may implement SOC correction for the battery having a hysteresis characteristic to improve estimation accuracy of the battery SOC. | 2020-12-24 |
20200400751 | ESTIMATION OF UNKNOWN ELECTRONIC LOAD - A test and measurement instrument including a voltage source configured to output a source voltage, a current sensor, and one or more processors. The one or more processors are configured to determine an estimation of a load of an unknown connected device under test based on the source voltage, the current sensor, and a voltage of the connected device under test without any prior knowledge of the connected device under test. | 2020-12-24 |
20200400752 | METHOD OF ASSEMBLING AN ENERGY STORAGE SYSTEM - A method of assembling and electrically interconnecting an energy storage system, the system includes a cabinet and a plurality of energy storage modules which may be connected together in the cabinet, each energy storage module has a plurality of energy storage devices. The method includes carrying out an electrical interconnection step by providing a removable current monitoring device at one pole of a circuit of the cabinet during the electrical interconnection step; connecting a first module to the pole; monitoring current flow after connecting the first module and, if no current flow is detected, connecting a further module in series with the first module. The monitoring and connecting steps are repeated for each subsequent module until all modules of the cabinet have been electrically interconnected. The final module is connected to the other pole of the circuit and the current monitoring device is disconnected and removed from the circuit. | 2020-12-24 |
20200400753 | CHARGING LOAD DETECTION CIRCUIT - A charging load detection circuit includes a charging circuit, a frequency generation unit, and a control unit. The control unit controls the frequency generation unit to generate a pulse voltage with a fixed first frequency and a fixed first amplitude, and the frequency generation unit provides the pulse voltage to an output terminal of the charging circuit. The control unit detects whether a load is coupled to the output terminal by detecting whether the first frequency and the first amplitude are varied, and controls connecting or disconnecting a charging path of the charging circuit according to whether the load is coupled to the output terminal. | 2020-12-24 |
20200400754 | Voltage Imbalance Assessment Method and Power Conversion Device - This voltage imbalance assessment method is for a power conversion device comprising a forward converter for rectifying the voltage of a three-phase AC power supply, a smoothing capacitor for smoothing the rectified voltage, a detection unit for detecting the smoothed voltage, and a control unit. The control unit: uses the detected voltage to generate data indicating frequency components; compares, in the data indicating frequency components, the magnitude of the component that is four times the power supply frequency with the magnitude of the component that is six times the power supply frequency; and assesses the voltage imbalance of the three-phase AC power supply on the basis of the comparison. | 2020-12-24 |
20200400755 | SWITCHED CAPACITOR INTEGRATOR CIRCUIT WITH REFERENCE, OFFSET CANCELLATION AND DIFFERENTIAL TO SINGLE-ENDED CONVERSION - A dual integrator system comprises two integrators, an output stage, and a switching network. The first and second integrators receive a differential Hall sensor signal and a reference voltage. The first integrator outputs a first integrator signal based on the differential Hall sensor and the reference voltage. The second integrator outputs a second integrator signal based on the differential Hall sensor signal and the reference voltage. The first integrator comprises a first offset cancellation feedback loop, and the second integrator comprises a second offset cancellation feedback loop. The switching network is coupled to the first and second integrators and to the output stage, and alternates which of the first and second integrators is coupled to the output stage. In some embodiments, the first and second integrators each perform a reset operation, a sampling operation, an integration operation, a differential to single-ended conversion operation, and a holding operation. | 2020-12-24 |
20200400756 | SENSOR ARRAY FOR READING A MAGNETIC PUF - A magnetic sensor array device is described that is constructed with multiple sensors integrated on a common silicon die, diced and packaged in a wafer level package (WLP). The device comprises an array of multi-axis magnetic sensors that can measure the multi-dimensional magnetic field of an arbitrary sized two-dimensional region with high spatial resolution, reduced sensing distance, higher measurement throughput, tolerance to motion, improved temperature measurement, and improved yield when placed on a circuit card comprises part of an authentication system including a physical unclonable function (“PUF”), a substrate, a plurality of magnetized particles randomly dispersed in the substrate, and a PUF reader constructed using one or more of the magnetic sensor array devices wherein the PUF reader measures the magnetic field at multiple locations in close proximity to the magnetized particles. The measured magnetic field data may be compared to previously enrolled data to assess authenticity. | 2020-12-24 |
20200400757 | MAGNETIC FIELD ANALYSIS DEVICE, ANALYSIS METHOD, AND COMPUTER READABLE MEDIUM STORING PROGRAM - A magnetic field analysis device includes a magnetization application unit that divides a virtual space into a plurality of volume elements and applies magnetization to each of the volume elements, and a magnetic field calculation unit that calculates, on each of a plurality of observation points in the virtual space, based on the magnetization applied to a plurality of the volume elements around the observation point, a magnetic field generated at the observation point for each volume element and obtains a magnetic field generated at each of the plurality of the observation points based on a calculation result of each of the plurality of the volume elements. | 2020-12-24 |
20200400758 | STRAY MAGNETIC FIELD CANCELLATION FOR STEERING TORQUE SENSOR - A method for steering torque sensor stray magnetic field cancellation includes receiving, from at least one magnetic sensor disposed within a torque sensing region, a detected magnetic field corresponding to an angular displacement between an upper steering shaft and a lower steering shaft of an electronic power steering system. The method also includes generating a first torque signal based on the detected magnetic field and receiving, from at least one stray region sensor disposed outside of the torque sensing region, a detected stray magnetic field. The method also includes determining a torque signal error based on the detected stray magnetic field and generating a second torque signal based on the first torque signal and the torque signal error. The method also includes selectively controlling at least a portion of the electronic power steering system using the second torque signal. | 2020-12-24 |
20200400759 | MAGNETIC SENSOR DEVICE - In a magnetic sensor device, a sheet-tike detection object transported along a transport plane is magnetized by a magnetizing magnet that forms a magnetization magnetic field in which magnitude of a magnetic field component parallel to the transport plane is larger than or equal to a saturation magnetic field of a second magnetic body having a second coercivity larger than a first coercivity. The magnetic sensor device includes: a bias magnet that forms a bias magnetic field in which magnitude of a magnetic field component parallel to the plane of the detection object is larger than the first coercivity and less than the second coercivity in the bias magnetic field at the plane of the detection object; and a magnetoresistive effect element chip disposed at the bias magnet and facing the plane of the detection object. | 2020-12-24 |
20200400760 | MAGNETIC SENSOR WITH AN ASYMMETRIC WHEATSTONE BRIDGE - Magnetic sensors, sensor modules, and methods thereof are provided. A magnetic sensor includes a sensor arrangement including a plurality of magnetic field sensor elements electrically arranged in an asymmetrical bridge circuit, where a first total resistance of a first pair of sensor elements provided on a first side of the asymmetrical bridge circuit is different from a second total resistance of a second pair of sensor elements provided on a second side of the asymmetrical bridge circuit, and the asymmetrical bridge circuit is configured to generate a differential signal based on sensor signals generated by the plurality of magnetic field sensor elements in response to a magnetic field impinging thereon. | 2020-12-24 |
20200400761 | SENSOR ARRAY FOR READING A MAGNETIC PUF - A magnetic sensor array device is described that is constructed with multiple single sensor die, diced out of a wafer individually and packaged in a multi-chip module (MCM). The device comprises an array of multi-axis magnetic sensors that can measure the multi-dimensional magnetic field of an arbitrary sized two-dimensional region with high spatial resolution, reduced sensing distance, higher measurement throughput, tolerance to motion, improved temperature measurement, and improved yield when placed on a circuit card comprises part of an authentication system including a physical unclonable function (“PUF”), a substrate, a plurality of magnetized particles randomly dispersed in the substrate, and a PUF reader constructed using one or more of the magnetic sensor array devices wherein the PUF reader measures the magnetic field at multiple locations in close proximity to the magnetized particles. The measured magnetic field data may be compared to previously enrolled data to assess authenticity. | 2020-12-24 |
20200400762 | SENSOR ARRAY FOR READING A MAGNETIC PUF - A magnetic sensor array device is described that is constructed with multiple single sensor die, diced out of a wafer as a group and packaged in a wafer level package (WLP). The device comprises an array of multi-axis magnetic sensors that can measure the multi-dimensional magnetic field of an arbitrary sized two-dimensional region with high spatial resolution, reduced sensing distance, higher measurement throughput, tolerance to motion, improved temperature measurement, and improved yield when placed on a circuit card comprises part of an authentication system including a physical unclonable function (“PUF”), a substrate, a plurality of magnetized particles randomly dispersed in the substrate, and a PUF reader constructed using one or more of the magnetic sensor array devices wherein the PUF reader measures the magnetic field at multiple locations in close proximity to the magnetized particles. The measured magnetic field data may be compared to previously enrolled data to assess authenticity. | 2020-12-24 |
20200400763 | SYSTEMS AND METHODS WITH ANGLED INPUT BEAMS FOR AN OPTICALLY PUMPED MAGNETOMETER - An optically pumped magnetometer device includes a first vapor cell having a light input window; a first light source configured to produce a first light beam; a first prism optic configured to receive the first light beam from the first light source and redirect the first light beam into the first vapor cell at a non-normal direction relative to the light input window of the first vapor cell; and a first light detector configured to receive the first light beam after passing through the first vapor cell. The device may also include additional light sources and light detectors which may share the prism optic and vapor cell (or utilize another prism optic or vapor cell or both). | 2020-12-24 |
20200400764 | MAGNETIC RESONANCE IMAGING SYSTEMS AND METHODS - A method is provided for magnetic resonance (MR) imaging near metal, including acquiring an image at a first magnetic field from a subject that includes a metal object, acquiring an image at a second magnetic field, and combining the images to provide a corrected image with reduced metal distortion. An MR imaging system for measuring near metal is also provided including a superconducting magnet to provide a magnetic field, a power supply for a current to ramp the magnetic field, a cryocooler in contact with the superconducting magnet, a magnetic field controller programmed to ramp the main magnetic field by adjusting the current generated by the power supply, a radio frequency system for transmitting and receiving signals, and a data aquisition and processing system to receive the MR signals, generate image data sets and combine the image data sets to provide a corrected image having a reduced metal distortion. | 2020-12-24 |
20200400765 | SHIMMING COILS FOR MAGNETIC RESONANCE IMAGING - A method for operating a magnetic resonance imaging (MRI) system that includes: accessing data indicating a first region for imaging a portion of a subject, the portion being placed in a main magnet of the MRI system and the main magnet generating a magnetic field; selecting, from a group of available shimming coils, a first subset of shimming coils arranged and configured such that, when the shimming coils in the first subset are driven, a homogeneity of the magnetic field at the first region is increased; and driving the shimming coils in the selected first subset of shimming coils without driving other shimming coils in the group of available shimming coils such that the homogeneity of the magnetic field at the first region increases relative to the homogeneity of the magnetic field at the first region when the shimming coils of the selected first subset are not driven. | 2020-12-24 |
20200400766 | METHOD FOR HETERONUCLEAR QUANTITATIVE DETERMINATION BY NMR SPECTROSCOPY, REFERENCE SUBSTANCES THEREFOR AND METHOD FOR DETERMINING THE DEGREE OF DEUTERATION OF A DEUTERATED COMPOUND - Disclosed are a method for the quantitative determination of an analyte in a test item using a NMR spectrometer, wherein the deuterated solvent used to dissolve the analyte is used as the internal standard, and specific reference substances for use in the method according to the invention. Further described is a method for determining the degree of deuteration of a deuterated compound. | 2020-12-24 |
20200400767 | IMAGE ENHANCEMENT WITH VARIABLE NUMBER OF EXCITATION (NEX) ACQUISITIONS ACCELERATED USING COMPRESSED SENSING - Image enhancement systems and methods with variable number of excitation (NEX) acquisitions accelerated using compressed sensing for magnetic resonance (MR) imaging are provided. The MR system comprises a body coil adapted to emit electromagnetic waves onto the anatomy of interest and receive the signals emitted from the anatomy of interest. The system comprises variable number of excitations (NEX) based compressed sensing by acquisition of different points in k-space using the body coil. A first neural network comprising an image enhancement module is provided to reconstruct the body coil images that provides a high-quality image. The high-quality image is stored in an image database. A processor is configured to connect the image database to a second neural network that is a deep learning network trained to assess the image quality and provide feedback to the processor and the first neural network. | 2020-12-24 |
20200400768 | SYSTEMS AND METHODS FOR BACKGROUND SUPPRESSION IN TIME-OF-FLIGHT MAGNETIC RESONANCE ANGIOGRAPHY - Systems and methods for suppressing background in time-of-flight (TOF) magnetic resonance angiography (MRA) are disclosed. An exemplary method includes obtaining a first TOF image through a high-resolution acquisition with a saturation band on one side of an imaging slab, obtaining a second TOF image through a low-resolution acquisition with two saturation bands on both sides of the imaging slab, and subtracting the second TOF image from the first TOF image to obtaining a subtraction TOF image. Post processing such as maximum intensity projection (MIP) is performed on the subtraction TOF image. | 2020-12-24 |
20200400769 | CONTRAST AND/OR SYSTEM INDEPENDENT MOTION DETECTION FOR MAGNETIC RESONANCE IMAGING - For detecting motion in MR imaging, a regression model, such as a convolutional neural network, is machine trained. To generalize to MR imagers, MR contrasts, or other differences in MR image generation, the regression model is trained adversarially. The discriminator for adversarial training discriminates between classes of the variation source (e.g., type of MR imager or type of contrast) based on values of features learned in the regression model for detecting motion. By adversarial training, the regression model learns features that are less susceptible or invariant to variation in image source. | 2020-12-24 |
20200400770 | METHOD FOR MEASURING EDDY CURRENT FIELDS IN A MAGNETIC RESONANCE DEVICE, MAGNETIC RESONANCE DEVICE, COMPUTER PROGRAM AND ELECTRONICALLY READABLE DATA CARRIER - Systems and methods for measuring eddy current fields occurring as a result of gradient pulses in a magnetic resonance sequence at a point in time during the magnetic resonance sequence in relation to at least one direction of pulse effect. At least the parts of the magnetic resonance sequence comprising the gradient pulses relating to the at least one direction of pulse effect are performed as a preparation sequence up until the point in time followed directly by a measurement sequence in which first measurement data is recorded. The preparation sequence is played out again with the same, directly consecutive measurement sequence without the gradient pulses relating to the at least one direction of pulse effect or with gradient pulses having an inverted sign relating to the at least one direction of pulse effect. Second measurement data is recorded. Using a joint evaluation of the first and second measurement data at least one variable characterizing the eddy current field generated by the eddy currents of the gradient pulses in the at least one direction of pulse effect is determined. | 2020-12-24 |
20200400771 | AMPLITUDE GONIOMETER AND ASSOCIATED PLATFORM - The present invention relates to an amplitude goniometer comprises P receiver channels, P being greater than or equal to 2, each receiver channel being identified by an index p, each receiver channel comprising an antenna coupled to a receiver chain followed by at least two digital receiver modules each comprising an analogue-to-digital conversion module associated with a respective sampling frequency, each sampling frequency not complying with the Shannon criterion and not being a multiple of another frequency, N being the number of frequencies, N being greater than or equal to 2, each frequency being referenced by an index n, the amplitude goniometry estimator working from the amplitudes of the signals originating from at least Q adjacent receiver channels of the P receiver channels, Q being at most equal to P, the sampling frequencies being associated with the analogue-to-digital conversion modules of the Q adjacent receiver channels. | 2020-12-24 |
20200400772 | TORSION LIMITER DEVICES, SYSTEMS AND METHODS AND SOLAR TRACKERS INCORPORATING TORSION LIMITERS - A solar tracker assembly comprises a support column, a torsion beam connected to the support column, a mounting mechanism attached to the torsion beam, a drive system connected to the torsion beam, and a torsion limiter connected to an output of the drive system. When an external force causes a level of torsion on the drive system to exceed a pre-set limit the torsion limiter facilitates rotational movement of the solar tracker assembly in the direction of the torsion, thereby allowing the external force to rotate about a pivot axis extending through the torsion beam. Exemplary embodiments also include methods of aligning a plurality of rows of solar trackers. | 2020-12-24 |
20200400773 | MULTIMODAL LOCATION SENSING ON A MOBILE PHONE - Embodiments of this disclosure provide techniques used in a location sensing service and a timeline service implemented in a host device for providing location history. In particular, the location sensing service may passively collect location coordinates of the device using requests made by third party applications. The location sensing service may receive a signal comprising an intent for a location request in response to a change in the user activity or in response to a change in a cellular identification of the device. The device may determine that a time elapsed from a previous location request and a time corresponding with receiving one or more of the signals exceed a time threshold and, based thereon, request a location coordinate of the device. | 2020-12-24 |
20200400774 | FLOOR LEVELS OF A VENUE - A method includes obtaining one or more pieces of metadata information indicative of one or more identifiers of one or more spatial locations located within a venue, and further indicative of one or more floor level identifiers of the one or more spatial locations. The method also generates a map of one or more locations of one or more radio nodes, including altitude information, and their respective one or more pieces of identifying information. The method further includes determining one or more pieces of matching information indicative of whether a respective identifying information of the one or more radio nodes at least partially matches with at least one metadata information and, if so, associating the respective radio node with a respective altitude floor level of the respective piece of metadata information in a radio map of the venue. A corresponding apparatus and computer program product are also provided. | 2020-12-24 |
20200400775 | POSITION ESTIMATING DEVICE, POSITION ESTIMATING SYSTEM, AND POSITION ESTIMATING METHOD - A position estimating device includes a processor, and a memory storing program instructions that cause the processor to obtain a plurality of position data of a transmitter, the plurality of position data being output from respective positioning devices, calculate a density of the plurality of position data based on the plurality of obtained position data output from the respective positioning devices, the density of the plurality of position data being a value indicating how close positions indicated by the plurality of position data are, and estimate a position of the transmitter based on the plurality of position data output from the respective positioning devices and the calculated density. | 2020-12-24 |
20200400776 | COMMUNICATION DEVICE, POSITION ESTIMATING METHOD, NON-TRANSITORY RECORDING MEDIUM, AND COMMUNICATION SYSTEM - A communication device includes: receiving circuitry which, in operation, receives a radio signal transmitted by a mobile station; and processing circuitry which, in operation, estimates a position of the mobile station based on a signal waveform profile including information about at least two of a direction of arrival, an arrival time, and a received power of the radio signal. A position estimating method includes: receiving a radio signal transmitted by a mobile station; and estimating a position of the mobile station based on a signal waveform profile including information about at least two of a direction of arrival, an arrival time, and a received power of the radio signal. A communication system includes: a mobile station; and a communication device. | 2020-12-24 |
20200400777 | RANGING TECHNOLOGY USE FOR ULTRA-BROADBAND COMMUNICATION IN MILLIMETER WAVE COMMUNICATION SYSTEMS - A base station includes a millimeter wave communication unit coupled to an impulse radio ultra-wideband (IR-UWB) communication unit. The millimeter wave communication unit is capable of being wirelessly coupled to user-equipment using a millimeter wave communication link. Based on a determination as to whether the user-equipment is configured for IR-UWB ranging and localization, an IR-UWB communication link is established between the base station and user-equipment for IR-UWB ranging and localization. When the IR-UWB communication link is established for IR-UWB ranging and localization, the ranging and localization associated with the millimeter wave communication unit is disabled and the millimeter wave communication link is used for data communication maximizing throughput by utilizing localization and ranging information provided by the IR-UWB communication link | 2020-12-24 |
20200400778 | RECEIVER DIVERSITY FOR WI-FI SENSING - This disclosure describes systems, methods, and devices related to receiver diversity for Wi-Fi sensing. A device may identify first packets received from a second device during a time period, the first packets received using a first communication link between the device and the second device, and may identify second packets received from a third device during the time period, the second packets received using a second communication link between the device and the third device. The device may determine, based on the first packets, a first value indicative of a first amount of channel state variance associated with the first communication link during the time period. The device may determine, based on the second packets, a second value indicative of a second amount of channel state variance associated with the second communication link during the time period. The device may send the first value and the second value. | 2020-12-24 |
20200400779 | RADAR BASED PATTERN CODE IDENTIFICATION - A method for close-range detection, includes transmitting, via a radar transceiver, radar signals to detect an object. The method also includes determining whether the object includes a pattern code based on reflections of the radar signals received by the radar transceiver. In response to determining that the object includes the pattern code, the method includes identifying range information about a range between the electronic device and the pattern code. The method further includes selecting, based on the range information, one or more signals from the reflections of the radar signals that are reflected off of the pattern code. Additionally, the method includes identifying, based on the one or more signals, information about the pattern code. | 2020-12-24 |
20200400780 | METHOD FOR PREDICTING A FALSE POSITIVE FOR A RADAR SENSOR - A simulation method for predicting a false positive for a predefined region outside a desired field of view of a radar sensor. Calculated primary rays having a respective primary energy level represent the radar signal. Reflected rays are calculated based on the primary rays or other reflected rays and based on geometrical data for at least one item within the predefined region. An energy level is determined for each reflected ray based on an estimated reflectivity of the at least one item and based on the primary energy level of the respective primary ray, and a clustering level for the reflected rays is determined based on distances of the respective reflection points. A probability for an occurrence of a false positive is estimated based on the energy level and the clustering level. | 2020-12-24 |
20200400781 | SYSTEMS AND METHODS FOR INTELLIGENTLY CALIBRATING INFRASTRUCTURE DEVICES USING ONBOARD SENSORS OF AN AUTONOMOUS AGENT - A system for intelligently implementing an autonomous agent that includes an autonomous agent, a plurality of infrastructure devices, and a communication interface. A method for intelligently calibrating infrastructure (sensing) devices using onboard sensors of an autonomous agent includes identifying a state of calibration of an infrastructure device, collecting observation data from one or more data sources, identifying or selecting mutually optimal observation data, specifically localizing a subject autonomous agent based on granular mutually optimal observation data, identifying dissonance in observation data from a perspective of a subject infrastructure device, and recalibrating a subject infrastructure device. | 2020-12-24 |
20200400782 | CALIBRATION DEVICE OF ON-BOARD RADAR - The present application relates to the field of automobile maintenance and device calibration, and discloses an on-board radar calibration device. The on-board radar calibration device includes a bracket assembly, a beam assembly, a sliding member, and a calibration laser. The beam assembly is mounted on the bracket assembly, and is movable relative to the bracket assembly in a vertical direction. The sliding member is mounted on the beam assembly and is movable relative to the beam assembly in a horizontal direction, the sliding member including a first surface and a second surface opposite to each other and being provided with a mounting through hole, and the mounting through hole penetrating the first surface and the second surface. The calibration laser is accommodated in the mounting through hole and is configured to emit a laser beam toward a to-be-calibrated automobile. In the present application, the calibration laser can horizontally slide in synchronization with the sliding member, thereby facilitating positioning of radar calibration auxiliary devices of different automobile models to calibrate on-board radars of different automobile models. | 2020-12-24 |
20200400783 | BUILT IN SELF TEST TRANSMITTER PHASE CALIBRATION - Disclosed are various embodiments for improving the accuracy of a phase associated with the radar signal by identifying a spectral signature associated with a radio frequency (RF) impairment and performing digital predistortion to enhance the radar performance and to compensate for the impairment that causes offset or imbalance of the phase rotator output cause signal distortion or otherwise degrade of the phase of the signal. The self-calibrating mechanism of the present disclosure is configured to identify the impairments, determine a spectral signature associated with the impairment, and optimize the phase error through digital predistortion of the RF signal based at least in part on the spectral signature associated with the impairment. | 2020-12-24 |
20200400784 | VEHICLE AND AUTOMATIC CONTROL METHOD FOR EMOTIONAL ENVIRONMENT THEREOF - A method for automatically controlling an emotional environment in a vehicle is provided. The method includes generating reflected wave information by radiating an electromagnetic wave toward a rear seat of the vehicle and receiving a reflected wave. A degree of activity is determined based on the reflected wave information and at least one device installed within the vehicle is operated based on the degree of activity. | 2020-12-24 |
20200400785 | LOW VOLTAGE SUB-NANOSECOND PULSED CURRENT DRIVER IC FOR HIGH-RESOLUTION LIDAR APPLICATIONS - A low voltage sub-nanosecond pulsed current driver for driving current to a load, which comprises a regulated current source connected to the load, for driving controlled current to the load (which may be a laser diode for LIDAR applications); a current routing network, being connected in parallel to the load following the regulated current source and consisting of a plurality of controlled power switches; and a controller for individually timing the operation of the plurality of controlled power switches, to generate a current pulse having desired narrow pulse width and reduced rise and fall times that will be delivered to the load. | 2020-12-24 |
20200400786 | LIMITED REFLECTION TYPE SENSOR - A limited reflection type sensor which irradiates exit light from a light emitting unit toward an object sensing region through an exit light lens and receives, at a light receiving unit, reflected light from an object existing in the object sensing region through a reflected light lens, may include a casing including a latching portion formed on a side surface and a first opening facing the object sensing region, the casing accommodating the light emitting unit and the light receiving unit; and a lens part including a light incident/exit part formed integrally with the exit light lens and the reflected light lens, and a side surface covering part in which an end of the light incident/exit part is extended along the side surface, in which the lens part covers the first opening with the light incident/exit part and the side surface covering part is latched by the latching portion. | 2020-12-24 |
20200400787 | LASER DISTANCE MEASURING DEVICE - The laser distance measuring device includes: a laser light emission unit for emitting laser light; a scanning mechanism for scanning the laser light by changing an output angle thereof; a light receiving unit for receiving reflected light of the laser light from an object, to thereby output a light reception signal; a light-detector control circuit for causing the light receiving unit to output the reception signal after setting a light receiving sensitivity for the reflected light at the time when the output angle is small, higher than a light receiving sensitivity for the reflected light at the time when the output angle is large; and a distance calculation unit for calculating, based on the reception signal, a distance to the object. This enhances the distance measuring capability in both cases of measuring a short distance and a long distance. | 2020-12-24 |
20200400788 | LIDAR SYSTEM SELECTIVELY CHANGING A SIZE OF THE FIELD OF VIEW - A light detection and ranging (LIDAR) system is provided. The LIDAR system comprises at least two lasers configured to emit aligned beams of light and a mirror configured to deflect the beams of light emitted by the lasers. The mirror is supported to be pivotable with respect to an axis of the mirror so as to allow the beams of light to scan a field of view of the LIDAR system. The LIDAR system further comprises a driver configured to drive the mirror into oscillations and a controller. The controller is configured to control at least one laser so as to selectively change a size of the field of view and/or to control the driver so as to selectively change the size of the field of view. | 2020-12-24 |
20200400789 | SCANNING ASSEMBLY FOR A DETECTION SYSTEM - A scanning assembly for a detection system for a vehicle includes a base, a first and second flexible sheet, and a scanning fixture with a mirror. The scanning fixture is connected to the base via the first flexible sheet and the second flexible sheet. Oscillation of the scanning assembly around a first central axis of the scanning fixture causes each flexible sheet to flex along a length of a plane of said sheet. Oscillation of the scanning assembly around a second central axis of the scanning fixture causes each flexible sheet to flex in torsion along the length of the plane of the sheet. | 2020-12-24 |
20200400790 | ELECTRONIC APPARATUS AND DISTANCE MEASURING METHOD - An electronic apparatus has a light receiver configured to receive a reception light including a reflected pulse generated by a reflection of an emitted pulse on an object, an analog-to-digital converter configured to generate digital signals regarding the reception light, a memory configured to store the digital signals, a memory controller configured to control a write rate to write the digital signals to the memory in accordance with an elapsed time from emission timing of the emitted pulse; and processor circuitry configured to measure a distance to the object based on a difference between the emission timing of the emitted pulse and reception timing of the reflected pulse. | 2020-12-24 |
20200400791 | LIGHT DETECTION DEVICE, LIGHT DETECTION METHOD, AND LIDAR DEVICE - A light detection device includes a light projector, a light receiver, a detector, and a controller. The light projector projects light to a predetermined range. The light receiver has a light receiving region in which light is received. The detector detects light by comparing a light reception result by the light receiver with a predetermined threshold. The controller controls the threshold. The controller shifts in turn a range where light is projected from the light projector. The controller, causes the detector to detect light per a portion of the light receiving region, the portion corresponding to a range with light being projected from the light projector, and sets the threshold based on a light reception result by the light receiver in a different portion of the light receiving region from the portion corresponding to the range with light being projected. | 2020-12-24 |
20200400792 | CIRCUIT AND METHOD FOR COMBINING SPAD OUTPUTS - A combining network for an array of SPAD devices includes: synchronous sampling circuits, wherein each synchronous sampling circuit is coupled to an output of a corresponding SPAD device and is configured to generate a pulse or an edge each time an event is detected; and a summation circuit coupled to an output of each of the synchronous sampling circuits and configured to count a number of pulses or edges to generate a binary output value. | 2020-12-24 |
20200400793 | TIME-OF-FLIGHT RANGING DEVICE - A time-of-flight ranging device suitable for indirect time-of-flight ranging is provided. The time-of-flight ranging device includes a light emitting module, a first sensing pixel, a second sensing pixel, a differential readout circuit, and a processing circuit. The light emitting module emits a light pulse to a sensing target, so that the sensing target reflects a reflected light pulse. The first sensing pixel generates a first sensing signal and a second sensing signal. The second sensing pixel generates a third sensing signal and a fourth sensing signal. The differential readout circuit generates first digital data according to the first sensing signal and the third sensing signal and generates second digital data according to the second sensing signal and the fourth sensing signal. The processing circuit calculates a distance between the time-of-flight ranging device and the sensing target according to the first digital data and the second digital data. | 2020-12-24 |
20200400794 | TIME-RESOLVING SENSOR USING SPAD + PPD OR CAPACITORS IN PIXEL FOR RANGE MEASUREMENT - A time-resolving sensor includes a single-photon avalanche diode (SPAD), a logic circuit and differential time-to-charge converter (DTCC) circuit. The SPAD is responsive to a shutter signal to generate an output signal based on detecting an incident photon. The logic circuit generates first and second enable signals. The DTCC includes a capacitor device, first and second switching devices, and an output circuit. The first switching device is responsive to the first enable signal to transfer a charge on the capacitor device to the first floating diffusion. The second switching device is responsive to the second enable signal to transfer a remaining charge on the capacitor device to the second floating diffusion. The output circuit outputs a first voltage that is based on the first charge on the first floating diffusion and a second voltage that is based on the second charge on the second floating diffusion. | 2020-12-24 |
20200400795 | NOISE AWARE EDGE ENHANCEMENT IN A PULSED LASER MAPPING IMAGING SYSTEM - Laser mapping imaging with reduced fixed pattern noise is disclosed. A method includes actuating an emitter to emit a plurality of pulses of electromagnetic radiation and sensing reflected electromagnetic radiation resulting from the plurality of pulses of electromagnetic radiation with a pixel array of an image sensor to generate a plurality of exposure frames. The method includes applying edge enhancement to edges within an exposure frame of the plurality of exposure frames. The method is such that at least a portion of the plurality of pulses of electromagnetic radiation emitted by the emitter comprises a laser mapping pattern. | 2020-12-24 |
20200400796 | TIME OF FLIGHT DEVICE AND TIME OF FLIGHT METHOD - A time of flight device and a time of flight method are provided. The time of flight device includes a first time-to-digital converter, a second time-to-digital converter, a driving circuit, a sensing light source, a sensing pixel and a processing circuit. The driving circuit provides a pulse signal and a reference pulse signal simultaneously. The first time-to-digital converter determines first depth data based on the reference pulse signal. The sensing light source emits a light pulse to a sensing object based on the pulse signal. The sensing pixel receives a reflected light pulse reflected by the sensing object and outputs a reflected pulse signal to the second time-to-digital converter so that the second time-to-digital converter determines second depth data based on the reflected pulse signal. The processing circuit subtracts the first depth data from the second depth data to obtain real depth data. | 2020-12-24 |
20200400797 | PHOTO-DETECTING APPARATUS WITH CURRENT-REUSE - A photo-detecting apparatus includes a first photodetector, a second photodetector, a first modulation signal generating circuit and a second modulation signal generating circuit. The first is configured to generate at least a first detecting signal according a first modulation signal. The second photodetector is configured to generate a second detecting signal according a second modulation signal. The first modulation signal generating circuit is coupled to the first photodetector and operated between a first voltage and a second voltage, and is configured to generate the first modulation signal. The second modulation signal generating circuit is coupled to the second photodetector and operated between the second voltage and a third voltage. The second modulation signal generating circuit is configured to generate a second modulation signal. The value of the second voltage is between the first voltage and the third voltage. | 2020-12-24 |