| 46th week of 2021 patent applcation highlights part 38 |
| Patent application number | Title | Published |
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| 20210356544 | LOW-RANK TENSOR IMAGING FOR QUANTITATIVE MRI - A method of performing multidimensional magnetic resonance imaging on a subject comprises collecting imaging data for a region of interest of the subject, the imaging data related to one or more spatially-varying parameters of the subject within the region of interest; collecting auxiliary data for the region of interest in the subject, the auxiliary data related to one or more time-varying parameters of the subject within the region of interest; linking the imaging data and the auxiliary data; and constructing an image tensor with one or more temporal dimensions based on at least a portion of the linked imaging data and at least a portion of the linked auxiliary data. | 2021-11-18 |
| 20210356545 | IMAGING METHOD AND DEVICE FOR NONLINEAR PARALLEL MAGNETIC RESONANCE IMAGE RECONSTRUCTION, AND MEDIUM - There are provided a parallel rapid imaging method and device based on a complex number conjugate symmetry of multi-channel coil data and nonlinear GRAPPA image reconstruction, and a medium. The imaging method includes: obtaining virtual conjugate coil data by expanding the actual multi-channel coil data; combining actual multi-channel coil data and virtual multi-channel coil data to obtain a linear data term and a nonlinear data term; calibrating weighting factors of the linear data term and the nonlinear data term by using combined low-frequency full-sampling data (margins of the low-frequency full-sampling data includes parts of high-frequency data); reconstructing data which is under-sampled in a high-frequency region according to the calibrated weighting factors; fusing the low-frequency full-sampling data and the reconstructed data for the high-frequency region. | 2021-11-18 |
| 20210356546 | SYSTEMS AND METHODS FOR RECONSTRUCTION OF DYNAMIC RESONANCE IMAGING DATA - Systems and methods are provided for performing automated reconstruction of a dynamic MRI dataset that is acquired without a fixed temporal resolution. On one or more image quality metrics (IQMs) are obtained by processing a subset of the acquired dataset. In one example implementation, at each stage of an iterative process, one or more IQMs of the image subset is computed, and the parameters controlling the reconstruction and/or the strategy for data combination are adjusted to provide an improved or optimal image reconstruction. Once the IQM of the image subset satisfies acceptance criteria based on an estimate of the overall temporal fidelity of the reconstruction, the full reconstruction can be performed, and the estimate of the overall temporal fidelity can be reported based on the IQM at the final iteration. | 2021-11-18 |
| 20210356547 | MAGNETIC RESONANCE IMAGING USING MOTION-COMPENSATED IMAGE RECONSTRUCTION - The invention relates to a method of MR imaging of an object ( | 2021-11-18 |
| 20210356548 | DISTANCE MEASURING DEVICE AND DISTANCE MEASURING METHOD - A distance measuring device according to an embodiment includes a first device including a first transceiver configured to transmit a first known signal and a second known signal and receive a third known signal corresponding to the first known signal and a fourth known signal corresponding to the second known signal, a second device including a second transceiver configured to transmit the third known signal and the fourth known signal and receive the first and second known signals and a calculating section configured to calculate a distance between the first device and the second device on a basis of phases of the first to fourth known signals, and the first transceiver and the second transceiver transmit/receive the first and third known signals one time each and transmit/receive the second and fourth known signals one time each, performing transmission/reception a total of four times. | 2021-11-18 |
| 20210356549 | OPTICAL GUIDANCE SYSTEMS AND METHODS USING MUTUALLY DISTINCT SIGNAL-MODIFYING SENSORS - In an embodiment, an optical sensor includes (i) a first lens array including a plurality of first lenses, (ii) a photodetector array including a plurality of photodetectors each aligned with a respective one of the plurality of first lenses, and (iii) a plurality of signal-modifying elements each aligned with a respective one of the plurality of first lenses. The plurality of signal-modifying elements includes (a) a first signal-modifying optical element having a first spatially-dependent transmission function, and (b) a second signal-modifying optical element having a second spatially-dependent transmission function differing from the first spatially-dependent transmission function. | 2021-11-18 |
| 20210356550 | ELECTRONIC DEVICE INCLUDING ANTENNA FOR MEASURING ANGLE OF ARRIVAL - An electronic device is provided. The electronic device includes a flexible printed circuit board (FPCB) including a first conductive patch and a second conductive patch, a wireless communication circuitry electrically coupled with the first conductive patch and the second conductive patch, and a processor electrically coupled with the wireless communication circuitry. The first conductive patch is fed from the wireless communication circuitry at a first point located at a first edge of the first conductive patch or a second point located at a second edge different from the first edge, and operates as an antenna radiator which receives a radio frequency (RF) signal of a specified frequency band, the second conductive patch is fed from the wireless communication circuity at a third point of the second conductive patch, and operates as an antenna radiator which transmits or receive an RF signal of a specified frequency band. | 2021-11-18 |
| 20210356551 | POSITION DETECTION SYSTEM - A position detection system | 2021-11-18 |
| 20210356552 | INFORMATION PROCESSING APPARATUS, SENSING SYSTEM, METHOD, PROGRAM, AND RECORDING MEDIUM - The present disclosure provides a mechanism for making it possible to efficiently determine an optimal configuration set for one or more sensors for use for estimating the state of an object. Information processing apparatus is provided, which includes an obtaining unit configured to obtain a spatial distribution model of accuracy of estimation related to a state of an object, performed using one or more sensors, a calculation unit configured to calculate a representative statistic for evaluating the accuracy of estimation based on the spatial distribution model obtained, and an optimization unit configured to determine an optimal set of sensor configurations for the one or more sensors based on representative statistics calculated respectively for different sets of sensor configurations for the one or more sensors. | 2021-11-18 |
| 20210356553 | METHOD FOR LOCATING A CONNECTED OBJECT BY PHASE DIFFERENCES OF ARRIVAL IN AN LPWA NETWORK - A method for locating a connected object within an LPWA network using a plurality of base stations. The connected object transmits packets in RF frequency channels forming a virtual band being scanned once in the uplink direction and once in the downlink direction in a symmetrical manner. The base stations receiving the signal perform an RF to intermediate frequency translation and then a baseband translation in digital mode. The phase differences of arrival for each pair of base stations and the attenuation coefficients of each transmission channel between the connected object and each base station enable a composite transfer function to be constructed for each pair of base stations. The peaks of highest amplitude are detected in the corresponding impulse responses and the distance differences between the connected object and the different base stations are derived therefrom. The position of the object is then estimated by hyperbolic trilateration. | 2021-11-18 |
| 20210356554 | POSITION SPECIFYING SYSTEM FOR MOBILE OBJECT AND MOBILE OBJECT USED FOR THE POSITION SPECIFYING SYSTEM - A radio transmitter in a first radio communication device transmits first position information and first time information to a radio receiver of a vehicle. Also, a radio transmitter in a second radio communication device transmits second position information and second time information to the radio receiver. When the radio receiver of the vehicle receives the respective pieces of information, a position specification processing unit specifies the position of the vehicle based on the received pieces of information. Thus, the position of the vehicle can be specified with high accuracy even when signals from GNSS satellites cannot be received. | 2021-11-18 |
| 20210356555 | VEHICULAR POSITION ESTIMATION SYSTEM - A vehicular position estimation system determines a portable terminal position by causing multiple in-vehicle communication devices placed at different positions on a vehicle to wirelessly communicate with a potable terminal, and includes: a distance index value acquisition portion that acquires a distance index value indicating a distance between the multiple in-vehicle communication devices; a normal range storage portion that stores data indicating a normal range of the distance index value; and a communication device diagnosis portion that determines whether the in-vehicle communication device is normal. When the distance index value between a diagnosis target device and at least one different device is in a normal range, the communication device diagnosis portion determines that a failure does not occur in the diagnosis target device. | 2021-11-18 |
| 20210356556 | Radio Signal Sending Method and Apparatus - A method related to processing interference between cooperative radars, where a radar obtains configuration information used to indicate a ratio of a quantity of first data update periods to a quantity of second data update periods in a sending period. The first data update period is used to send a first radio signal, and the second data update period is used to send a second radio signal. Waveform configurations of the first radio signal and the second radio signal are different, to effectively reduce mutual interference between the first radio signal and the second radio signal. | 2021-11-18 |
| 20210356557 | RADAR TRANSCEIVER - A radar transceiver includes a receiver. The receiver includes a low noise amplifier a mixer, a baseband filter, an integrator, and a phase shifter. The mixer includes an input coupled to an output of the low noise amplifier. The baseband filter includes an input coupled to an output of the mixer. The integrator includes an input coupled to an output of the baseband filter. The phase shifter includes a control input and an output. The control input is coupled to an output of the integrator. | 2021-11-18 |
| 20210356558 | METHOD FOR SEPARATING TARGETS AND CLUTTER FROM NOISE, IN RADAR SIGNALS - A method for separating large and small targets from noise in radar IF signals, according to which a receiver receives, echo signals that are reflected from targets of different size (such as walls or ground), in response to the transmission of chirp FMCW radar signals, modulated (e.g., using Linear Frequency Modulation) in a predetermined modulation speed for a predetermined duration. The echo signals are down-converted by mixing them with the transmitted signal, to obtain received Intermediate Frequency (IF) signal, which is then sampled both in phase (I-channel) and in quadrature phase (Q-channel). The received IF signal passes a Fourier transform, to obtain power spectral components that belong to a relevant frequency domain, associated with an echo signal reflected from a real target, along with corresponding power spectral components that belong to an irrelevant, opposite frequency domain. The noise distribution and level in the relevant frequency domain is calculated by estimating the noise level in the irrelevant frequency domain and targets represented by a set of consequent relevant frequencies are detected by comparing the power spectral component at each relevant frequency to the calculated noise level and identifying power spectral components with likelihood, which is above a predetermined threshold. | 2021-11-18 |
| 20210356559 | RADAR DEVICE AND SIGNAL PROCESSING METHOD - A first module generates a first reception signal from a reflection RF signal of a transmission RF signal using a first local oscillation signal, a second module generates a second reception signal from the reflection RF signal using a second local oscillation signal synchronized with the first local oscillation signal, and a first signal processor calculates the angle of a target using a signal obtained by coherent integration based on the first reception signal and second reception signal. | 2021-11-18 |
| 20210356560 | SIX-PORT SELF-INJECTION-LOCKED RADAR - A six-port self-injection-locked (SIL) radar includes an oscillation element, an antenna element, a six-port frequency demodulation element and a signal processing element. Because of a coupler and a phase shifter of the six-port frequency demodulation element, the signal processing element can extract vibration information of subject by using only two demodulated signals output from the six-port frequency demodulation element. As a result, the operation frequency of the six-port SIL radar is not limited by hardware architecture, and the hardware costs and the power consumption are also reduced. | 2021-11-18 |
| 20210356561 | TIME SYNCHRONIZATION AND LATENCY COMPENSATION FOR EMULATION TEST SYSTEM - An emulation test system and method are provided for time adjusting emulated echo signals in response to a periodic electromagnetic signal. The method includes generating a scene simulation including a simulated object; generating a simulation frame indicating object transform information regarding the simulated object; calculating positions and velocities of an emulated targets corresponding to the simulated object using the object transform information; generating a ray tracing frame corresponding to the simulation frame indicating the calculated positions and velocities of the emulated targets; predicting a time point in a next feature in a feature pattern of the electromagnetic signal; calculating predicted target information of the simulated object at the predicted time point using the calculated positions and velocities; and generating an echo signal in response to the next burst of the electromagnetic signal using the predicted target information to compensate for latencies introduced by differences between real world and simulation times. | 2021-11-18 |
| 20210356562 | A DETECTOR FOR POINT CLOUD FUSION - A method, apparatus, and system for determining whether all extrinsic matrices are accurate is disclosed. A plurality of post-LIDAR fusion point clouds that are based on simultaneous outputs from a plurality of LIDAR devices installed at one ADV are obtained. The obtained plurality of point clouds are filtered to obtain a first set of points comprising all points in the plurality of point clouds that fall within a region of interest. Each point in the first set of points corresponds to one coordinate value on the axis in the up-down direction. A distribution of the first plurality of coordinate values is obtained. A quantity of peaks in the distribution of the first plurality of coordinate values is determined. Whether all extrinsic matrices associated with the plurality of LIDAR devices are accurate is determined based on the quantity of peaks in the distribution of the first plurality of coordinate values. | 2021-11-18 |
| 20210356563 | LIGHT DETECTION AND RANGING SYSTEM WITH POLYGON SHAPED ENCLOSURE - Embodiments of the disclosure provide a Light Detection and Ranging (LiDAR) system. The LiDAR system includes a transmitter configured to emit a light beam and a receiver configured to receive the light beam reflected by an object. The LiDAR system also includes an enclosure enclosing the transmitter and the receiver. The enclosure includes a plurality of laterals. Each of the laterals includes a cover overmold with a first waterproofed material and a first cap head screw configured to fix the cover to a cover on a connecting lateral. | 2021-11-18 |
| 20210356564 | BEAM SHAPING FOR ULTRA-SMALL VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL) ARRAYS - A laser array includes a plurality of laser diodes arranged and electrically connected to one another on a surface of a non-native substrate. Respective laser diodes of the plurality of laser diodes have different orientations relative to one another on the surface of the non-native substrate. The respective laser diodes are configured to provide coherent light emission in different directions, and the laser array is configured to emit an incoherent output beam comprising the coherent light emission from the respective laser diodes. The output beam may include incoherent light having a non-uniform intensity distribution over a field of view of the laser array. Related devices and fabrication methods are also discussed. | 2021-11-18 |
| 20210356565 | OPTICAL DEVICE - An optical device includes: a first mirror having translucency and including a first reflecting surface extending along a first direction and a second direction intersecting the first direction; a second mirror including a second reflecting surface facing the first reflecting surface; an optical waveguide layer located between the first mirror and the second mirror, the optical waveguide layer including a plurality of non-waveguide areas laid side-by-side along the second direction and one or more optical waveguide areas located between the plurality of non-waveguide areas, the optical waveguide areas containing a liquid crystal material, having a higher average refractive index than do the plurality of non-waveguide areas, and propagating light along the first direction; and two electrode layers facing each other across the optical waveguide layer, at least one of the two electrode layers including a plurality of electrodes laid side-by-side along the second direction. | 2021-11-18 |
| 20210356566 | LIDAR RECEIVER WITH MOVABLE DETECTOR - Embodiments of the disclosure provide a receiver in an optical sensing system. The exemplary receiver includes a movable detector configured to receive optical signals reflected or scattered from an object scanned by the optical sensing system. The receiver further includes an actuator configured to move the movable detector. The receiver also includes a controller configured to determine a plurality of target positions of the movable detector for receiving the optical signals. The controller is further configured to control the actuator to move the movable detector to the plurality target positions according to a movement pattern. | 2021-11-18 |
| 20210356567 | HIGH RESOLUTION LiDAR USING HIGH FREQUENCY PULSE FIRING - In accordance with some embodiments, a light detection and ranging (LiDAR) scanning system includes a light source. The light source is configured to transmit a pulse of light. The LiDAR scanning system also includes a beam steering apparatus configured to steer the pulse of light in at least one of vertically and horizontally along an optical path. The beam steering apparatus is further configured to concurrently collect scattered light generated based on the light pulse illuminating an object in the optical path. The scattered light is coaxial or substantially coaxial with the optical path. The LiDAR scanning system further includes a light converging apparatus configured to direct the collected scattered light to a focal point. The LiDAR scanning system further includes a light detector, which is situated substantially at the focal point. In some embodiments, the light detector can include an array of detectors or detector elements. | 2021-11-18 |
| 20210356568 | PROXIMITY DETECTION SYSTEM - Systems and methods for a Time of Flight (ToF) camera system configured to be operable in a proximity mode. In the proximity mode, the proximity of an object may be estimated by relatively delaying or offsetting the charge accumulation timing of multiple different columns of pixels of the ToF imaging sensor. The relative charge accumulated in those pixel columns is dependent on the proximity of the object and the relative time delays in charge accumulation of each column. Therefore, by reading out the charge accumulated in multiple different pixel columns and knowing the relative accumulation delay of those pixel columns, the proximity of an object may be determined. This enables the operation of the ToF camera system to be switched between relatively high power, full ToF depth imaging, and relatively low power proximity mode of operation, thereby rendering a single system as being capable of performing two different functions. | 2021-11-18 |
| 20210356569 | DISTANCE MEASUREMENT APPARATUS AND DETECTION METHOD - The present disclosure relates to a distance measurement apparatus and a detection method that allow for reliable detection of diffuser breakage. Provided is a distance measurement apparatus that includes a light source section and a breakage detection section. The light source section emits a laser beam. The breakage detection section detects breakage of a diffusion member that diffuses the laser beam emitted from the light source section. The light source section modulates the laser beam on the basis of a pulsed wave generated by a pulse generator and emits the modulated laser beam. The breakage detection section feeds the pulsed wave to one end of a transparent electrode formed in a predetermined pattern on the diffusion member, detects a reflected wave that occurs at a released end that is another end, and detects breakage of the diffusion member on the basis of a detection result of the reflected wave. The technology according to the present disclosure is applicable, for example, to a distance image sensor using a TOF technique. | 2021-11-18 |
| 20210356570 | System for Emulating an Environment for Testing a Frequency Modulated Continuous Wave (FMCW) Light Detection and Ranging (LiDAR) System - A system for emulating an over-the-air environment for testing a light detection and ranging (LiDAR) unit under test (UUT). The system may comprise a lens system that receives light from the LiDAR UUT and a plurality of optical processing chains. The system may generate light into free space based on the optical signals processed by each chain. The system may process received light optically to maintain coherence with light received from the LiDAR unit under test and may process all points in a LiDAR image simultaneously. The system may operate to emulate an over-the-air environment for a time-of-flight LiDAR UUT, a frequency modulated continuous wave (FMCW) LiDAR UUT, and/or a flash LiDAR UUT. | 2021-11-18 |
| 20210356571 | System for Emulating an Environment for Testing a Frequency Modulated Continuous Wave (FMCW) Detection and Ranging (LiDAR) System - A system for emulating an over-the-air environment for testing a light detection and ranging (LiDAR) unit under test (UUT). The system may comprise a lens system that receives light from the LiDAR UUT and a plurality of optical processing chains. The system may generate light into free space based on the optical signals processed by each chain. The system may process received light optically to maintain coherence with light received from the LiDAR unit under test and may process all points in a LiDAR image simultaneously. The system may operate to emulate an over-the-air environment for a time-of-flight LiDAR UUT, a frequency modulated continuous wave LiDAR UUT, and/or a flash LiDAR UUT. | 2021-11-18 |
| 20210356572 | SYSTEMS AND METHODS FOR AUGMENTATION OF SENSOR SYSTEMS AND IMAGING SYSTEMS WITH POLARIZATION - A multi-modal sensor system includes: an underlying sensor system; a polarization camera system configured to capture polarization raw frames corresponding to a plurality of different polarization states; and a processing system including a processor and memory, the processing system being configured to control the underlying sensor system and the polarization camera system, the memory storing instructions that, when executed by the processor, cause the processor to: control the underlying sensor system to perform sensing on a scene and the polarization camera system to capture a plurality of polarization raw frames of the scene; extract first tensors in polarization representation spaces based on the plurality of polarization raw frames; and compute a characterization output based on an output of the underlying sensor system and the first tensors in polarization representation spaces. | 2021-11-18 |
| 20210356573 | TWO DIMENSION AND THREE DIMENSION IMAGING BASED ON SPEED CHANGES OF SOUND/ULTRASOUND - The invention is based on speed changes of sound/ultrasound pulses and a fixed detecting depth between a transducer and sampling points to collect information of the detecting depth and/or a velocity of motionless and/or moving objects from the sampling points to construct two-dimension or three-dimension images of the sampling points. By taking advantages of a pulse ultrasound and a continuous ultrasound, a method of coded sound pulses can simultaneously collect the information of the detecting depth and the velocity from the sampling points, which improves imaging quality. Calculating a speed of the moving objects by simultaneously detecting time-of-flight (TOF) and TOF shift at same site from two separated piezoelectric (PZT) elements improves testing results with accuracy, simplification and reproducibility. An aliasing can be rectified based on the TOF and the TOF shift. | 2021-11-18 |
| 20210356574 | METHOD FOR USING AN ACTIVE SONAR WITH A WIDE SPECTRAL EMISSION BAND AND SONAR SYSTEM - A method for using an active sonar includes an acoustic antenna exhibiting a continuous bandwidth having a spectral emission width of at least two octaves and an electronic system for generating control signals for the acoustic antenna, the method comprising: dynamically selecting a plurality of distinct sonar functioning or operating modalities chosen from escort, surveillance, pursuit, dissuasion and communication, each using a different fraction of the emission bandwidth of the acoustic antenna, referred to as a channel; and using the electronic system to generate a plurality of control signals for the acoustic antenna corresponding to the selected functioning modalities, the electronic system being suitable for allowing the sonar to function according to a plurality of independent and simultaneous operating modalities. And sonar system for implementing such a method is also provided. | 2021-11-18 |
| 20210356575 | METHODS FOR DETECTING OCCUPANCY IN A SPACE USING RADIO SIGNALS - A sensor system for determining occupancy in a space generally includes a transmitter radio device that transmits radio signals over a channel in the space; a receiver radio device that receives the transmitted radio signals that have traveled through the space; and at least one processor implementing an occupancy-centric algorithm that determines occupancy in the space based on the radio signals. The at least one processor determines channel state information based on the radio signals transmitted over the channel, determines occupancy in the space based on the channel state information, and outputs an occupancy signal based on the determined occupancy. | 2021-11-18 |
| 20210356576 | METHODS FOR DETECTING OCCUPANCY AND DETERMINING VALUE CHAIN RECOMMENDATIONS USING RADIO SIGNALS - A sensor system for determining occupancy in a space generally includes a transmitter radio device that transmits radio signals over a channel in the space; a receiver radio device that receives the transmitted radio signals that have traveled through the space; and at least one processor implementing an occupancy-centric algorithm that determines occupancy in the space based on the radio signals. The at least one processor determines channel state information based on the radio signals transmitted over the channel, determines occupancy in the space based on the channel state information, and outputs an occupancy signal based on the determined occupancy. | 2021-11-18 |
| 20210356577 | PHASED-ARRAY DOPPLER RADAR USING AN INJECTION-LOCKING TECHNIQUE - A phased-array Doppler radar includes a two-way splitter, a transmit antenna, a receive antenna array, an ILO, a demodulation unit and a digital signal processing unit. A reference signal is split by the two-way splitter to the transmit antenna for transmission to targets and the ILO for injection locking. Signals reflected by the targets are received by the receive antenna array as received signals. An injection-locked signal generated by the ILO and the received signals received by the receive antenna array are delivered to the demodulation unit. The received signals are demodulated into baseband I/Q signals by the demodulation unit that uses the injection-locked signal as a local oscillator signal. The baseband I/Q signals are processed by the digital signal processing unit to obtain a digital beamforming pattern. | 2021-11-18 |
| 20210356578 | PHASE UNWRAPPING WITH MULTIPLE WAVELENGTHS ON A FLAT TORUS - Example imaging systems are disclosed. One example includes a signal source and a signal receiver configured to receive a reflected electromagnetic signal from an imaged object. The imaging system further includes a processor configured to, for each of N wavelengths, determine a phase value of a reflected component of the reflected electromagnetic signal having that wavelength. The processor may compute an estimated distance to the imaged object at least in part by mapping the plurality of phase values to a 2N-dimensional vector, and computing a plurality of zeroes of a trigonometric polynomial. For each of the plurality of zeroes, computing the estimated distance may further include computing a respective geodesic distance between the 2N-dimensional vector and a point along the curve evaluated at that zero, and selecting and outputting a shortest geodesic distance multiplied by a least common multiple of the wavelengths. | 2021-11-18 |
| 20210356579 | RADAR DEVICE, SIGNAL PROCESSOR, AND SIGNAL PROCESSING METHOD - To provide a radar device capable of improving azimuth estimation accuracy by compensating the Doppler phase shift of a moving target in a TDMA FMCW MIMO radar device. Provided is a radar device that allows transmitting antennas to perform transmission by performing sequential switching such that antenna element numbers are anterior-posterior symmetrical centering on a reference time and synthesizes a beat signal at the reference time from a first beat signal received by a receiving antenna before the reference time and a second beat signal received after the reference time. | 2021-11-18 |
| 20210356580 | Method for Detecting Target Object and Corresponding Detection Apparatus - A method for detecting a target object implemented by a detection apparatus, where the detection apparatus transmits a radio signal on a frequency band on which mutual interference can be avoided to avoid or reduce interference caused by a transmit signal or a related signal of any detection apparatus when another detection apparatus determines a target. The detection apparatus divides a frequency band or a frequency domain raster based on a determined threshold to allow partial overlapping between frequency bands or rasters. | 2021-11-18 |
| 20210356581 | Method for SRS for Positioning Resource Overhead Reduction in Multi-RTT - Methods, apparatuses, and computer programs are provided for SRS for positioning resource overhead reduction in multi-RTT. A method for a UE includes receiving an initial configuration of a plurality of sounding reference signal for positioning resources; measuring a downlink positioning reference signal received from one or more cells; determining one or more transmission beams based on reception beams used for receipt of the downlink positioning reference signal from the one or more cells; wherein the determining of the one or more transmission beams comprises a reduction of at least one beam resource associated with a sounding reference signal for positioning; and transmitting an updated sounding reference signal for positioning configuration with information about the determined one or more transmission beams. Methods are also provided for a radio node and for an LMF. | 2021-11-18 |
| 20210356582 | ENVIRONMENT SCANNING USING A CELLULAR NETWORK - A cellular network system and method provided herein are directed to generating an area topographic map of a surrounding area of the cellular network system. The cellular network system comprises a transmitter, a receiver, memory, and one or more processors (processors) communicatively coupled to the transmitter, the receiver, and the memory. The memory stores computer-executable instructions that, when executed by the processors, perform certain operations. The transmitter transmits in a target direction a first signal, which is a communication signal intended for a user equipment (UE) and the receiver receives a second signal. The processors determine whether the second signal is a reflected signal associated with the first signal, determine topographic data associated with the surrounding area of the cellular network system in the target direction based at least in part on the second signal, and generate the area topographic map of the surrounding area based on the topographic data. | 2021-11-18 |
| 20210356583 | OBJECT DETECTION APPARATUS AND OBJECT DETECTION METHOD - An object detection apparatus is mounted to a moving body to which a plurality of distance measurement sensors are mounted, and detects an object that is present in a vicinity of the moving body. In response to direct waves and indirect waves being received, the object detection apparatus acquires a relative position of an object to a moving body based on principles of triangulation using distance measurement information based on the direct waves and distance measurement information based on the indirect waves. In response to the received waves being reflected waves from an object of which the relative position has been already acquired and only either of the direct waves and the indirect waves being received as received waves, the object detection apparatus estimates the relative position of the object to the moving body based on a reference position that is the relative position that has been already acquired. | 2021-11-18 |
| 20210356584 | DEVICE AND METHOD FOR MEASURING STREAM WATER DEPTH IN REAL-TIME THROUGH POSITIONING DATA FILTERING - Disclosed is a device and a method for measuring stream water depth in real-time through positioning data filtering to ensure the reliability of the measured water depth data even when the stream water depth measurement data is filtered and applied to a small stream having a small basin area and a steep slope. The device for measuring stream water depth in real-time through positioning data filtering includes: a measuring part for measuring the water depth of a stream to be measured; a positioning data filtering part for filtering the water depth data measured by the measuring means by a local linear regression-based bivariate scatterplot smoothing technique through elastic bandwidth application; and a water depth calculating part for calculating a water depth of the stream to be measured by using the positioning data filtered by the positioning data filtering part, and minimizing the uncertainty of the water depth measurement. | 2021-11-18 |
| 20210356585 | SONAR TRANSDUCER HAVING GEOMETRIC ELEMENTS - A system is provided for imaging an underwater environment. The system includes a transducer assembly with at least one transmit transducer element and an array of receive transducer elements. Each receive transducer element is configured to receive sonar returns and form sonar return data. A sonar signal processor is configured to receive the sonar return data from each receive transducer element and generate sonar image data. The sonar return data from all of the receive transducer elements may be summed and used to form a high-definition | 2021-11-18 |
| 20210356586 | LASER RANGING APPARATUS - The present invention provides a laser ranging apparatus, including: a holder, a measuring part mounted to the holder, and a housing detachably connected to the holder, wherein the housing includes a first casing. The first casing is an integrally formed tubular structure detachably sleeved outside the holder. An advantage of the present invention is to provide a laser ranging apparatus for fixedly mounting a measuring component on a holder and installing a detachable casing on the outside of the holder so as to ensure that the position of the measuring component will not be moved during the disassembly and assembly of the casing and the ranging precision of the measuring part will not be affected. The casing is composed of several simple components, which can effectively reduce the process difficulty of the casing parts. Meanwhile, the assembly and disassembly of the casing are simple and convenient, the production efficiency is increased effectively, the production cost is reduced, and the productivity is increased. The laser ranging apparatus has a smaller size, compact structure, less space occupied, easy for users to carry, and good anti-shock performance and hand feeling. | 2021-11-18 |
| 20210356587 | DISTANCE MEASUREMENT APPARATUS, DISTANCE MEASUREMENT METHOD, AND STORAGE MEDIUM - A distance measurement apparatus includes at least one light source that emits a light beam towards a scene, a light receiving device that includes a plurality of light receiving elements and receives reflected light of the light beam from a scene, a control circuit, and a signal processing circuit. The control circuit performs control such that at least one exposure operation, in which at least part of the plurality of light receiving elements receive the reflected light, detect a charge generated by the reflected light, and accumulate the generated charge, and an operation of outputting the accumulated charge are executed repeatedly, and the at least one light source emits a plurality of light beams toward the scene between consecutive two charge output operations such that light irradiation regions do not overlap. The signal processing circuit generates and outputs distance data based on light reception data generated based on the charge. | 2021-11-18 |
| 20210356588 | TIME OF FLIGHT LIDAR SYSTEM USING COHERENT DETECTION SCHEME - Various technologies described herein pertain to a time of flight lidar sensor system that uses a coherent detection scheme. The lidar sensor system includes a laser source, a semiconductor optical amplifier, a combiner, and a balanced detector. The laser source emits an input optical signal. The semiconductor optical amplifier receives a first portion of the input optical signal and outputs a modulated optical signal (amplified and modulated). The combiner receives a second portion of the input optical signal and a returned optical signal received responsive to transmission of at least a portion of the modulated optical signal. The combiner coherently mixes the second portion of the input optical signal with the returned optical signal and outputs mixed optical signals. The balanced detector detects the mixed optical signals and generates an output signal (e.g., a differential photocurrent), which can be used to detect a distance to a target. | 2021-11-18 |
| 20210356589 | MEASUREMENT APPARATUS, DISTANCE MEASUREMENT APPARATUS, AND MEASUREMENT METHOD - A measurement apparatus includes a light reception section including a light reception element group including light reception elements in a target region, a controller that controls a first light reception element group and a second light reception element group in the light reception element group, so as to read out the first light reception element group and the second light reception element group during periods different from each other, and a signal processing section that performs signal processing on the basis of a signal read out from at least one of the first light reception element group and the second light reception element group. A sum set of the first light reception element group and the second light reception element group includes the light reception elements, and at least part of the first light reception element group is not included in the second light reception element group. | 2021-11-18 |
| 20210356590 | DISTANCE-MEASUREMENT APPARATUS AND DISTANCE-MEASUREMENT METHOD - A generation unit ( | 2021-11-18 |
| 20210356591 | MEASUREMENT APPARATUS AND MEASUREMENT METHOD - A measurement apparatus includes a laser apparatus, a branching part that splits a laser beam into reference light and measurement light, a condensing part that condenses the measurement light onto an object to be measured, a control part that adjust a focal position where the condensing part condenses the measurement light, and a distance calculation part that calculates distance to the object to be measured on the basis of an optical path difference between the reference light and the measurement light, wherein the condensing part includes a first lens and a correspondence calculation part that calculates a correspondence between a focal position of the condensing part and a position of the first lens on the basis of a position of the first lens and a distance to the object to be measured. | 2021-11-18 |
| 20210356592 | MONITORING SIGNAL CHIRP IN LIDAR OUTPUT SIGNALS - A LIDAR system includes at least one optical component configured to output a system output signal that travels away from the LIDAR system and can be reflected by an object located outside of the LIDAR system. The LIDAR system also includes a control mechanism configured to control one or more process variables of the system output signal. The control mechanism uses an electrical process variable signal to control the process variable. The process variable signal has an in-phase component and a quadrature component. | 2021-11-18 |
| 20210356593 | DISTANCE MEASUREMENT SYSTEM AND METHOD FOR CALIBRATING DISTANCE MEASUREMENT SENSOR - There is provided a distance measurement system in which a plurality of distance measurement sensors are installed to generate a distance image of an object in a measurement region, the system including a cooperative processing device that performs alignment between the distance measurement sensors, and composes distance data from the plurality of distance measurement sensors to display the distance image of the object. In order to perform the alignment between the distance measurement sensors, trajectories (referred to as motion lines) of a person moving in the measurement region are acquired by the plurality of distance measurement sensors, and the cooperative processing device performs calibration of an installation position of each of the distance measurement sensors such that the motion lines acquired by the distance measurement sensors coincide with each other in a common coordinate system. | 2021-11-18 |
| 20210356594 | PASSING RECOGNITION SYSTEM AND METHOD FOR NON-CONTACT MONITORING - A passing recognition system for non-contact monitoring of a passing area includes at least one housing, a floor edge, in particular for installing on a floor of the passing area, and with a head sensor for detecting a detection area. Furthermore, the a method for non-contact monitoring as well as a computer-implemented method for performing the method includes related features. | 2021-11-18 |
| 20210356595 | ELECTROMAGNETIC WAVE DETECTION APPARATUS - An object is efficiently scanned across thereof using electromagnetic waves. An electromagnetic wave detection apparatus includes a switching unit, a controller, and a first detector. The switching unit includes a plurality of subdivisions that are arranged on a reference surface and can be switched to a first state for causing incident electromagnetic waves to progress in a first direction. The controller is configured to simultaneously set some of the plurality of subdivisions located apart from one another along at least one direction of the reference surface, from among the plurality of subdivisions, to the first state. The first detector is configured to detect electromagnetic waves progressing in the first direction. | 2021-11-18 |
| 20210356596 | Localization Initialization For Autonomous Vehicles - The technology relates to localizing a vehicle. As one approach, a first LIDAR sensor scan data of an environment of the vehicle and localization data for the vehicle at a location where the first LIDAR sensor scan was captured are stored. Thereafter, the computing device is suspended and subsequently unsuspended. After the computing device is unsuspended, second LIDAR sensor scan data of the vehicle's environment is received. The first LIDAR sensor scan data is compared to the second LIDAR sensor scan data to determine whether the vehicle has moved. Based on the determination of whether the vehicle has moved from the location, the stored localization data is used to localize the vehicle. Other approaches are also described. | 2021-11-18 |
| 20210356597 | CONTINUOUS WAVE TIME OF FLIGHT SYSTEM - Systems and methods for a lower energy/faster time of flight camera system configured to measure distance to an object. The system is configured to emit laser light modulated with a first frequency and image light reflected by an object in order to determine a first phase difference between the emitted and reflected light. The system emits laser light modulated with a second frequency and images light reflected by the object to determine a second phase difference between the emitted and reflected light. The distance to the object is determined using the first and second phase differences. The system is arranged to operate at lower energy for obtaining the first phase difference compared with the operation to obtain the second phase difference. This results in lower overall energy consumption and faster overall operation without any significant reduction in accuracy of imaging. | 2021-11-18 |
| 20210356598 | CAMERA SYSTEM - Systems and method for a camera system that includes an imaging sensor having differential type imaging pixels. The camera system is configured to read two, single ended signals from each differential pixel, rather than one differential signal. The camera system can be configured to process those single ended signals in one or more different ways in order to determine different types of image and/or to achieve particular desired performance, such as higher speed, more accurate imaging, higher dynamic range imaging, lower noise imaging, etc. | 2021-11-18 |
| 20210356599 | PARTIAL POINT CLOUD-BASED PEDESTRIANS' VELOCITY ESTIMATION METHOD - A method, apparatus, and system for estimating a moving speed of a detected pedestrian at an autonomous driving vehicle (ADV) is disclosed. A pedestrian is detected in a plurality of frames of point clouds generated by a LIDAR device installed at an autonomous driving vehicle (ADV). In each of at least two of the plurality of frames of point clouds, a minimum bounding box enclosing points corresponding to the pedestrian excluding points corresponding to limbs of the pedestrian is generated. A moving speed of the pedestrian is estimated based at least in part on the minimum bounding boxes across the at least two of the plurality of frames of point clouds. A trajectory for the ADV is planned based at least on the moving speed of the pedestrian. Thereafter, control signals are generated to drive the ADV based on the planned trajectory. | 2021-11-18 |
| 20210356600 | LIDAR SYSTEM WITH HIGH-RESOLUTION SCAN PATTERN - In one embodiment, a lidar system includes a light source configured to emit pulses of light and a scanner configured to scan the emitted pulses of light along a high-resolution scan pattern located within a field of regard of the lidar system. The scanner includes one or more scan mirrors configured to (i) scan the emitted pulses of light along a first scan axis to produce multiple scan lines of the high-resolution scan pattern, where each scan line is associated with multiple pixels, each pixel corresponding to one of the emitted pulses of light and (ii) distribute the scan lines of the high-resolution scan pattern along a second scan axis. The high-resolution scan pattern includes one or more of: interlaced scan lines and interlaced pixels. | 2021-11-18 |
| 20210356601 | LIDAR SYSTEM WITH LOCALLY RETRACED SCAN LINES - In one embodiment, a lidar system includes a light source configured to emit pulses of light and a scanner configured to scan the emitted pulses of light along a high-resolution scan pattern located within a field of regard of the lidar system. The scanner includes one or more scan mirrors configured to (i) scan the emitted pulses of light along a first scan axis to produce multiple scan lines of the high-resolution scan pattern, where each scan line is associated with multiple pixels, each pixel corresponding to one of the emitted pulses of light and (ii) distribute the scan lines along a second scan axis to produce the high-resolution scan pattern, where the high-resolution scan pattern includes locally retraced scan lines. | 2021-11-18 |
| 20210356602 | SINGLE DELTA RANGE DIFFERENCES USING SYNTHETIC CLOCK STEERING - Systems and methods for calculating single delta range differences using synthetic clock steering are provided. In certain embodiments, a system includes a first GNSS receiver that provides first delta range measurements and first measurement times associated with a plurality of GNSS satellites. The system further includes a second GNSS receiver that provides second delta range measurements and second measurement times associated with the plurality of GNSS satellites. Additionally, the system includes a processing unit that executes instructions that cause the processing unit to synchronize the second delta range measurements with the first delta range measurements to create synchronized delta range measurements. The executable instructions also cause the processing unit to calculate a single difference of the first delta range measurements and the synchronized delta range measurements for at least one satellite in the plurality of GNSS satellites. | 2021-11-18 |
| 20210356603 | METHOD AND SYSTEM FOR PREVENTING LEAKAGE OF BEIDOU DIFFERENTIAL POSITIONING DATA - The present disclosure discloses a method and a system for preventing leakage of Beidou differential positioning data. The method includes the following steps: step 1, determining the number of positioning terminals; step 2, making identification cards, wherein one identification card corresponds to one positioning terminal, and writing data into each identification card; step 3, putting the identification cards into the card slots of the positioning terminals corresponding to the identification cards; step 4, verifying whether the read data is accurate; step 5, generating the Beidou differential positioning data by the positioning base station, a positioning satellite and the positioning terminals operating normally. The system includes a positioning base station, a positioning satellite, a service terminal, a card issuing device, a plurality of identification cards and a plurality of positioning terminals. | 2021-11-18 |
| 20210356604 | Method and Apparatus For Improving the Quality of Position Determination Using GNSS Data - GNSS receiver which includes RF front end, connected to GNSS antenna, an ADC converting the satellite signals into digitized signals, a digital section, including a processor receiving the digitized signals, forming raw measurements with pseudoranges measured between the antenna and satellites, and estimating target parameters, including receiver position and receiver time offset by (i) extrapolating the target parameters from previous epoch to current epoch using a dynamic model; (ii) computing a quasi-measurement for each satellite based on extrapolated target parameters and GNSS satellite positions; (iii) detecting and rejecting raw measurements with anomalous errors by testing differences between the raw measurements and respective quasi-measurements against predefined thresholds; (iv) substituting quasi-measurements for rejected raw measurements; (v) estimating target parameters using unrejected raw measurements and substituted quasi-measurements; (vi) outputting estimated target parameters. | 2021-11-18 |
| 20210356605 | METHOD, APPARATUS, DEVICE AND MEDIUM FOR CALIBRATING TEMPERATURE DRIFT - A method, an apparatus, a device, and a medium for calibrating a temperature drift are provided. The method includes: acquiring a first measurement value and a second measurement value, the first measurement value being a measurement value of a to-be-measured quantity at a current moment determined based on an inertial measurement unit, and the second measurement value being a measurement value of the to-be-measured quantity at the current moment determined based on a global positioning system; and determining a temperature drift calibration value of the inertial measurement unit at the current moment based on the first measurement value and the second measurement value. | 2021-11-18 |
| 20210356606 | Gamma Ray And Neutron Dosimeter - A dosimeter includes a housing and a printed circuit board positioned within the housing. A silicon photomultiplier is operably connected to the printed circuit board. A scintillator formed of Ce-activated lithium aluminosilicate glass is positioned on the silicon photomultiplier. An optical coupling is positioned between the scintillator and the silicon photomultiplier, and an optical reflector surrounds the scintillator. | 2021-11-18 |
| 20210356607 | SCINTILLATOR PANEL AND RADIATION DETECTOR - A scintillator panel | 2021-11-18 |
| 20210356608 | MULTI-PIECE MONO-LAYER RADIATION DETECTOR - The present invention relates to a radiation detector ( | 2021-11-18 |
| 20210356609 | X-RAY DETECTOR - An X-ray detector according to embodiments is an X-ray detector of a direct conversion type in which a plurality of X-ray detection elements are arranged in a column direction and a channel direction and voltage is applied between anodes and cathodes. The X-ray detector includes processing circuitry. The processing circuitry performs control so as not to use, for generation of image data, data from the X-ray detection elements in end portions in one of the column direction and the channel direction of the X-ray detection elements, and so as to use, for generation of image data, data from the X-ray detection elements in other than the end portions. | 2021-11-18 |
| 20210356610 | TIME-CORRECTION DEVICE FOR PET SYSTEM - A time correction device for a PET system, comprises a detector ring, a ring-shaped prosthesis, and detection, data acquisition, data coincidence, time shift calculation, data correction application modules. Center of the ring-shaped prosthesis overlaps with axial and radial center of the detector ring. The detection module is located in ring-shaped prosthesis. Center of the detection module is at the center of the ring-shaped prosthesis. The data acquisition module comprises data gathering and energy filtering modules connected to each other. The data gathering module comprises detectors and the detection module. The energy filtering module connects to the data gathering module receiving single-event time information. The data coincidence module is connects to the energy filtering module receiving the single-event time information. Time shift calculation module connects to the data coincidence module providing a shift value of the detectors. The data correction application module applies the shift value to the PET system. | 2021-11-18 |
| 20210356611 | Spectroscopic Sensor for Alpha and Beta Particles - A sensor for spectroscopic measurement of alpha and beta particles includes first and second layers, a photomultiplier, and an analyzer. A first material of the first layer scintillates a first stream of photons for each of the alpha particles. However, the beta particles pass through the first layer. A second material of the second layer scintillates a second stream of photons for each of the beta particles, but passes the first stream of photons for each alpha particle. The photomultiplier amplifies the first and second streams of photons for the alpha and beta particles into an electrical signal. The electrical signal includes a respective pulse for each of the alpha and beta particles. From the electrical signal, the analyzer determines a respective energy of each of the alpha and/or beta particles from a shape of the respective pulse for each of the alpha and beta particles. | 2021-11-18 |
| 20210356612 | EARTHQUAKE DETECTION AND SHUTOFF DEVICE - Disclosed herein are earthquake detection devices capable of initiating a safety response in the event of an earthquake. The earthquake detection devices comprise a plurality of three-component accelerometers for measuring acceleration in three directions; and a processing unit for: receiving acceleration measurements from each of the plurality of accelerometers, determining if the acceleration measurements meet or exceed a predetermined threshold value and sending a signal to one or more transducers. | 2021-11-18 |
| 20210356613 | LASER NOISE REDUCTION FOR LASER INTERFEROMETRY - Aspects of the present disclosure are directed to laser interferometric systems, methods, and structures exhibiting superior laser phase noise tolerance particularly in seismic detection applications wherein laser requirements are advantageously relaxed by employing a novel configuration wherein the same laser which generates an outgoing signal is coherently detected using the same laser as local oscillator and fiber turnarounds are employed that result in the cancellation and/or mitigation of undesired mechanical vibration. | 2021-11-18 |
| 20210356614 | CHARACTERIZING FRACTURE ORIENTATIONS IN ORTHORHOMBIC ADJACENT LAYERS USING THE PHASE OF AZIMUTHAL FOURIER COEFFICIENTS - Methods and apparatuses characterize fracture orientations in orthorhombic adjacent layer. Seismic data with azimuthal coverage enables calculating Fourier coefficients of reflectivity at an interface between the orthorhombic adjacent layers. The phases of 2 | 2021-11-18 |
| 20210356615 | DIP DETECTION IN LOGGING IMAGE PROCESSING - A method for imaging a downhole formation. The method includes combining the captured images to generate a partial image of the formation, wherein the partial image includes captured images separated by gaps representing portions of the formation not captured with sensors what were disposed downhole. The method includes locating dips in the formation within the partial image and interpolating the partial image using the located dips within the partial image. | 2021-11-18 |
| 20210356616 | SHEAR VELOCITY RADIAL PROFILING BASED ON FLEXURAL MODE DISPERSION - A method is disclosed for radiaiiy profiling shear velocities of flexural wave modes in a formation. The method includes establishing sensitivity kernels with two non-dimensionalized parameters and using said sensitivity kernels to perform an inversion for radial shear wave velocity profiles. This method may be used for LWD, MWD, or wireline logging operations. | 2021-11-18 |
| 20210356617 | ULTRASONIC WAVEFORM PROCESSING USING DECONVOLUTION IN DOWNHOLE ENVIRONMENTS - Deconvolution-based processing of ultrasonic waveforms enables robust calculation of two-way travel time for an ultrasonic caliper, particularly in the presence of multiple, proximal reflectors (e.g., mud cake, formation, casing, cement, etc.). | 2021-11-18 |
| 20210356618 | PROXIMITY SENSOR, AND ASSEMBLY METHOD OF PROXIMITY SENSOR - This proximity sensor includes: a cylindrical housing having an opening at one end in the axial direction; a detection part housed at the other end of the housing and detecting the presence or absence of a detection target contactlessly; a substrate housed in the housing and mounted with a control circuit for controlling the detection part; a detection part shield preventing external noise from entering the detection part and including a first face part adhered to the front surface on the other side of the detection part, and a side face part configured from multiple side pieces connected to the outer periphery of the first face part and bent from the first face part to cover the side surface of the detection part; and a resin provided around the detection part and the detection part shield. | 2021-11-18 |
| 20210356619 | DETERMINING SUB-SURFACE FORMATION WETTABILITY CHARACTERISTICS UTILIZING NUCLEAR MAGNETIC RESONANCE AND BULK FLUID MEASUREMENTS - The present disclosure is directed to a method of determining wettability characteristics of a sub-surface formation within a wellbore utilizing nuclear magnetic resonance (NMR) and bulk fluid measurements at various stages of fluid saturation at that wellbore location. In another aspect, the pumping pressure is incrementally changed within the wellbore, measuring injection fluid and hydrocarbon saturation data values between the incremental pump pressure changes. In another aspect, a measuring and sampling tool is disclosed to execute the method and produce wettability characteristics. In another aspect, a system is disclosed that can operate NMR devices, bulk fluid equipment, pump systems, and other devices to collect data and to determine wettability characteristics on the collected data. | 2021-11-18 |
| 20210356620 | METHOD AND SYSTEM FOR DETECTING DOWNHOLE MAGNETIC INTERFERENCE ON MEASUREMENT WHILE DRILLING OPERATIONS - A method and a system implementing the method, are disclosed for computing magnetic interferences in measurement while drilling operations, using the retrieved lateral, and axial magnetic interferences of the measurement while drilling downhole tool system. With the disclosed method and system of implementing the method, it can be determined whether the source of the magnetic interference is from the measurement while drilling downhole tool system lateral direction or its axial direction. When magnetic field strength is abnormal, the lateral and axial magnetic interferences are monitored, and then compared against their values before the abnormal magnetic field strength. This way the direction of the magnetic interference is analyzed to eliminate or judge the cause of the interference, and properly guide the measurement while drilling downhole tool system towards its reservoir or well location. | 2021-11-18 |
| 20210356621 | Multi-Step Inversion Using Electromagnetic Measurements - A subterranean earth formation is evaluated by running a process with a logging tool residing in a borehole in the earth formation to collect shallow measurements of a property of the formation and deep measurements of the property of the formation. An inversion is performed on the shallow measurements to produce a group of possible formation models that fit the shallow measurements. A machine-learning algorithm is applied to estimate the shallow formation structure, using the group of possible formation models that fit the shallow measurements, to produce a shallow formation structure. An inversion is performed on the deep measurements to produce a group of possible formation models that fit the deep measurements. The shallow formation structure is expanded using the group of possible formation models that fit the deep measurements to produce a deep formation structure. | 2021-11-18 |
| 20210356622 | OPTICAL PROBE AND METHOD FOR IN SITU SOIL ANALYSIS - An optical probe and method for analysing a soil located in an underground area are provided. The optical probe includes a probe head insertable into the underground area, the probe head including a transparent wall defining a hollow chamber within the probe head; a light source mounted in the hollow chamber, configured to generate an illumination beam towards the soil, the illumination beam passing through the transparent wall to irradiate the soil, thereby producing a resulting light emanating from the soil, a portion of the resulting light returning towards the probe head and being guided in the transparent wall by total internal reflection along the optical path; a detector configured to receive the portion of the resulting light and outputting an output signal representative of characteristic(s) of the soil; and an optical element guiding the portion of the resulting light from the transparent wall to the detector. | 2021-11-18 |
| 20210356623 | Rock Reservoir Structure Characterization Method, Device, Computer-Readable Storage Medium and Electronic Equipment - Rock reservoir structure characterization method comprises: acquiring a three-dimensional seismic data volume of a rock reservoir to be characterized; performing a transformation on all the intrinsic mode function components obtained through decomposition to obtain time-frequency spectrum of each intrinsic mode function component, and adding the time-frequency spectrums of all the components to obtain the time-frequency spectrums of the seismic data; performing cross-correlation between each of the time-frequency components of the near-well seismic traces and the synthetic seismic trace obtained by logging data of the same well, and screening out a sensitive component with the highest correlation degree as an input feature, and performing fuzzy C-means clustering and spatial smoothing on the sensitive component with the highest correlation degree to obtain a seismic facies with set standard division; and depicting the rock reservoir according to the seismic facies divided by the set standard. | 2021-11-18 |
| 20210356624 | METHOD FOR DETERMINING TRAVERTINE DEPOSIT - A method for determining a travertine deposit by:
| 2021-11-18 |
| 20210356625 | WEATHER FORECASTING SYSTEMS AND METHODS - A weather forecasting system has a data processing system that receives weather data from one or more sources and processes such data in conjunction with a weather forecasting algorithm in order to forecast weather for one or more geographic regions. In this regard, the weather data is input into a machine learning algorithm, which applies learned weights and relationships to the inputs in order to calculate at least one score indicating a probability that precipitation or other weather event will occur in the future within a certain time period (e.g., within the next 1 hour or some other unit of time) in one or more geographic regions. For each such geographic region, the weather forecasting logic may also predict the extent to which rain or other precipitation, lightning, or other weather event will occur during the time period. | 2021-11-18 |
| 20210356626 | SYSTEM AND METHOD FOR REPEATED METAL DEPOSITION-DEWETTING STEPS TO FORM A NANO-PARTICLE ETCHING MASK PRODUCING THICKER LAYER OF ENGRAVED METASURFACE - A method and system is disclosed for creating an optical component having a spatially controlled refractive index and uniform anti-reflective layer. The method may involve alternately depositing and dewetting two or more thin metal material layers on the substrate to form a mask having a spatially varying nano-particle distribution, and with an increased thickness beyond what could be achieved using a single, thick layer of the same material. The substrate may then be etched, using the mask, to imprint a spatially patterned nanostructure pattern on a surface the substrate in accordance with the mask. | 2021-11-18 |
| 20210356627 | OPTICAL HEAD, IMAGE FORMING APPARATUS, IMAGE READING APPARATUS, AND METHOD OF PRODUCING OPTICAL HEAD - An optical head comprises a substrate on which optical elements are arranged in a main scanning direction, a lens unit that transmits light emitted from the optical elements or light entering the optical elements, and a holder that holds the lens unit. The holder has a sidewall extending in the main scanning direction. The sidewall has a hole at a position facing the lens unit. A fixing member is provided in the hole. The fixing member fixes the lens unit to the sidewall. | 2021-11-18 |
| 20210356628 | Micro Lens Sensor Having Micro Lens Heights that Vary Based on Image Height - A three-dimensional camera having a micro lens (ML) array configured with variable ML height and variable ML shift is described herein. The ML array includes micro lens that are configured to direct backscattered light that is transmitted through an image lens into corresponding pixels. Heights of individual micro lenses within the ML array vary according to image height. For example, the height of micro lenses at the center of the ML array, near the axis of the image lens, may be relatively larger than the height of other micro lenses toward the perimeter of the ML array. Furthermore, the shift of individual micro lenses with respect to corresponding pixels may also vary according to the image height. For example, the shift of micro lenses at the center of the ML array may be relatively smaller than the shift of the other micro lenses toward the perimeter of the ML array. | 2021-11-18 |
| 20210356629 | SPOKE DIELECTRIC LENS - A dielectric lens is disclosed comprising a center portion that extends along a cylinder having a central axis and a plurality of spoke portions that are attached to the center portion and extend to a spherical perimeter region in a radial direction from the center portion. The plurality of spoke portions includes at least a first monolithic spoke portion extending from the center portion to the spherical perimeter region and the center portion and the plurality of spoke portions define a plurality of cavity regions among the plurality of spoke portions. The center portion, the cylinder, the plurality of spoke portions, and the plurality of cavity regions are included in a gradient index (GRIN) dielectric lens having a plurality of relative permittivities that are based on a radial distance from the center portion. | 2021-11-18 |
| 20210356630 | MID-INFRARED LENS AND MANUFACTURING METHOD THEREOF - The present invention relates to a manufacturing method for a mid-infrared lens, which includes the following steps: placing a lens in the path of a far-infrared radiation source, enabling the lens to receive the far infrared rays; immersing the lens in a hardening liquid, causing the hardening liquid to coat the lens, wherein the hardening liquid is an intermixture of silicone and isopropanol or an intermixture of silicone and methanol, and a far-infrared material or a far-infrared composite material is additionally added to the hardening liquid; placing the lens coated with the hardening liquid in a drying space to dry, causing the hardening liquid to dry and harden and form a hardened layer on the surface of the lens. The temperature of the drying space lies between 80 and 120° C., and the drying time lies between 1 and 10 hours. | 2021-11-18 |
| 20210356631 | DISPLAY PANEL, MANUFACTURING METHOD THEREOF, DISPLAY DEVICE - The present application provides a display panel, a manufacturing method of the display panel, and a display device. The display panel includes a display region and a non-display region. The display panel includes multiple pixels divided by a boundary line. Each pixel has corresponding area uniformity. The pixels include multiple first pixels having the area uniformity within a first predetermined range. The pixels also include multiple second pixels having the area uniformity outside the first predetermined range. A shielding block is arranged on the first pixel. Brightness of the second pixel is set according to an area of the second pixel in the display region. | 2021-11-18 |
| 20210356632 | OPTICAL LENS, LENS MODULE, AND ELECTRONIC DEVICE - An optical lens includes a lens barrel, a first lens, and a diaphragm film. The first lens is received within the lens barrel. The diaphragm film is fixed on the lens barrel. The first lens includes a spherical area, a stacking area, and a connecting area. The connecting area is coupled between the spherical area and the stacking area. The connecting area includes a planar area. The diaphragm film is located on the planar area. | 2021-11-18 |
| 20210356633 | WIDE ANGLE APPLICATION HIGH REFLECTIVE MIRROR - Provided is a wide angle application high reflective mirror having a reflection band partially overlapping in a wavelength range of 800-4000 nm. The mirror comprises a film system in which a plurality of high refractive index film layers and a plurality of low refractive index film layers that are alternately stacked, and the material of the high refractive index film layer is one of SiH, SiO | 2021-11-18 |
| 20210356634 | AERODYNAMIC SOLID NOSE CONE FORMED WITH AN AFOCAL AXICON LENS AND METHOD OF IMAGING - An aerodynamic nose cone capable of imaging through the nose cone is accomplished by forming the nose cone as an Afocal Axicon lens. Under a condition of RI≈cos(X)/cos(3X) where RI is an effective refractive index and X is a cone half angle of the solid right-circular cone. EMR incident on a front portion of the cone undergoes a total internal reflection (TIR) and exits a trailing surface of the cone with approximately the same parallelism with which it entered the cone. EMR incident behind the front portion of the cone that exits the trailing surface with different parallelism than it entered may be directed to a light dump or through a fustrum of a cone to re-establish the correct parallelism. The entire optical system may be monolithically integrated into the nose cone to eliminate alignment issues and moving parts. | 2021-11-18 |
| 20210356635 | Digital Image Overlay in Image Intensified and Telescopic System - An optical system for overlaying a first image of a scene and a second image includes an image intensified night vision and/or telescopic device providing the first image, a second imaging device with an image display and collimation optics providing the second image, and a waveguide. The waveguide has a first diffraction grating configured to receive the first image, a second diffraction grating configured to receive the second image, and a guide portion disposed between the first diffraction grating and the second diffraction grating configured to convey the second image to the first grating. The first diffraction grating is configured to overlay the first image and the second image. | 2021-11-18 |
| 20210356636 | OPTICAL FILTER AND METHOD FOR MANUFACTURING THE OPTICAL FILTER - An optical filter and a method for manufacturing the optical filter are provided. The optical filter includes a base substrate, a black matrix layer, and a color filter layer. The black matrix layer includes a lower, an intermediate, and an upper black matrix layers, and the intermediate layer is a plurality of particles. The black matrix has a plurality of layers of different structures, and light is absorbed when passing through different black matrix layers, reducing transmission of light, improving contrast of a display screen, and improving display effect. | 2021-11-18 |
| 20210356637 | SPECIAL-SHAPED DISPLAY SCREEN AND DISPLAY DEVICE - A special-shaped display screen and a display device are provided. The special-shaped display screen includes a first display area and a second display area. The first display area includes a first boundary and a first pixel area, wherein the first boundary is disposed on an outer periphery of the first pixel area. The second display area includes a second boundary and a second pixel area, wherein the second boundary and the first boundary define an effective display area of the special-shaped display screen. Wherein, the first pixel area is formed by splicing a plurality of triangular pixel units arranged alternatively in a face-up configuration and a reversed configuration, and the second pixel area is formed by a plurality of rectangular pixel units. The present disclosure is used to solve a problem of jagged edges. | 2021-11-18 |
| 20210356638 | OPTICAL FILTER AND LIGHT-ABSORBING COMPOSITION - An optical filter ( | 2021-11-18 |
| 20210356639 | COLOR FILTERING FILM, COLOR FILTER SUBSTRATE AND DISPLAY DEVICE - A color filtering film, a color filter substrate and a display device are disclosed. The color filtering film includes: a color filtering layer and a quantum dot layer laminated on the color filtering layer. The color filtering layer includes a plurality of groups of color filtering units, each group of color filtering units includes a first color filtering unit and a fourth color filtering unit, any first color filtering unit being spaced apart from the third color filtering unit. | 2021-11-18 |
| 20210356640 | POLARIZING PLATE - The present application relates to a polarizing plate. The present application can provide a polarizing plate having excellent optical and mechanical durability even when it is formed in a thin thickness or is applied to a thin display device and without causing bending or twisting when applied to a display device. | 2021-11-18 |
| 20210356641 | POLARIZER, ELECTRONIC DEVICE AND PREPARATION METHOD FOR POLARIZER - A polarizer, an electronic device and a preparation method for the polarizer are provided, the polarizer including: a base film, having a side surface and defining a first region and a second region surrounding the first region on the side surface; a linear polarizing film, arranged on the side surface of the base film and covering the second region; a transparent filler, arranged in a same layer with the linear polarizing film and covering the first region; and a retardation film, covering a side of the linear polarizing film and a side of the transparent filler away from the base film. | 2021-11-18 |
| 20210356642 | REFLECTIVE DISPLAY DEVICE AND FRONT LIGHT SOURCE MODULE THEREOF - A front light source module includes a light guide assembly and a light source assembly. The light guide assembly includes a light guide body and surface optical microstructures. The light guide body includes a first optical surface, a second optical surface opposite to the first optical surface, and a light incident surface. The light incident surface is connected between the first and second optical surfaces. The first optical surface is close to a viewer. The surface optical microstructures are embedded in the light guide body. Each surface optical microstructure includes an inclined surface and a transflective layer. The inclined surface is relatively inclined to the first optical surface or the second optical surface. The transflective layer is disposed on the inclined surface. The light source assembly is disposed beside the light incident surface. A reflective display device adopting the front light source module is also provided. | 2021-11-18 |
| 20210356643 | LIGHTING FIXTURE FOR DIRECT AND INDIRECT LIGHTING WITH PATTERNED LIGHT EMITTING AREA - A lighting fixture for direct and indirect lighting employing a generally rectangular sheet of an optically transmissive material having a first broad-area surface configured for light output, an opposing second broad-area surface extending parallel to the first broad-area surface and configured for light output, a first edge configured for light input, and an opposing second edge configured for light input. The lighting fixture further employs two series of compact solid-state light sources optically coupled to the first and second edges, a plurality of patterned light extraction areas distributed over an area of the rectangular sheet and separated from one another and from the first and second edges by separation areas, and a housing encasing the solid-state light sources and one or more edges of the rectangular sheet. | 2021-11-18 |
