Patents Issued in March 28, 2019
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Publication number: 20190094355Abstract: An occupant detection apparatus includes a wave motion sensor and an controller. The wave motion sensor provided to be upper than the seat in the vehicle, performing transmission of wave motion towards a predetermined range which includes a head part of the occupant at least, performing reception of the wave motion that is reflected. The controller calculates, as a result value, at least either a first value or a second value based on the transmission and the reception of the wave motion by the wave motion sensor; the first value is a receiving intensity and the second value is either a period of time or a distance. The controller determines either (i) that the seat is occupied by the occupant or (ii) that the seat is empty or occupied by a physical body other than the occupant, based on comparison of the result value with a threshold value.Type: ApplicationFiled: October 21, 2016Publication date: March 28, 2019Inventor: Hajime NAKAGAWA
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Publication number: 20190094356Abstract: Methods, apparatuses, and computer program products are therefore provided for producing a 3D image of an underwater environment. An example method for providing an image of an underwater environment includes analyzing sonar returns to identify and display objects, such as fish or debris, in a 3D view. Such an image allows for differentiation between the sea floor and objects in a 3D sonar view. Some example methods provide for real-time tracking of fish. Further, the fish or other objects may be displayed over a continuous surface geometry based on sonar returns from a lake, sea, or river “floor.Type: ApplicationFiled: November 30, 2018Publication date: March 28, 2019Inventors: Matthew Hunt, Shahzad F. Kirmani
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Publication number: 20190094357Abstract: Systems and methods for filtering an analog waveform before it is sampled by an analog-to-digital converter (ADC) in an ultrasound system are provided. The waveform can be filtered by delaying the same waveform by two different time delays and combining the delayed waveforms to effectively cancel out the fundamental components, thereby providing more sensitive detection of harmonic components in received echo signals. This filtering approach leverages an architecture that can also be used for multiline beamforming to perform the temporal filtering, in which a single acoustic signal can be read out of the ARAM twice, separated by time, taking advantage of the fact that the ARAM allows for non-destructive read operations.Type: ApplicationFiled: December 28, 2016Publication date: March 28, 2019Inventor: STEVEN RUSSELL FREEMAN
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Publication number: 20190094358Abstract: According to an aspect, a method includes detecting, by a computing system, whether there are any pre-existing objects between a first group of sensors of a sensor array in an elevator shaft. The computing system detects whether there is a foreign object between a second group of sensors of the sensor array in the elevator shaft, where the second group of sensors includes at least one sensor that differs from the first group of sensors. The computing system triggers a modification to a control aspect of an elevator car in the elevator shaft based on detection of the foreign object.Type: ApplicationFiled: September 25, 2017Publication date: March 28, 2019Inventors: Lindsay Wos, Tarique Faruki
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Publication number: 20190094359Abstract: Provided are an optical sensing system and an optical apparatus including the same. The optical sensing system may include a light output part configured to emit a laser beam to an object, and a sensing part configured to sense a laser beam emitted from the light output part and reflected from the object. The sensing part may include a photodetector and the active optical device located on an optical path between the photodetector and the object. The active optical device may actively control an orientation of a laser beam passing therethrough and may include a material layer having a refractive index which is changeable by application of an electrical signal.Type: ApplicationFiled: September 19, 2018Publication date: March 28, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sunil KIM, Byounglyong CHOI, Changgyun SHIN
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Publication number: 20190094360Abstract: A laser ranging device, an image-capturing apparatus, and a terminal is disclosed by the present disclosure. The laser ranging device includes a housing, a laser ranging sensor, and a cover plate. The housing is provided with a light-transmitting window. The laser ranging sensor is mounted in the housing. A light emitter and a light receiver are provided separately in the laser ranging sensor. The light emitter emits a light beam to the detected object through the cover plate. The light beam is reflected to the light receiver through the cover plate by the detected object and is received by the light receiver. The cover plate is embedded in the light-transmitting window. The light-blocking member is provided between the cover plate and the light-transmitting window.Type: ApplicationFiled: August 23, 2016Publication date: March 28, 2019Applicant: GIONEE COMMUNICATION EQUIPMENT CO.,LTD. SHENZHENInventor: Xiaofeng HUANG
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Publication number: 20190094361Abstract: The present disclosure relates to methods and systems that improve the dynamic range of LIDAR systems. An example system includes a plurality of single-photon photodetectors and at least one additional photodetector monolithically integrated on a shared substrate. The plurality of single-photon photodetectors and the at least one additional photodetector are configured to detect light from a shared field of view. The system also includes a controller configured to carry out operations. The operations include: receiving respective photodetector signals from the plurality of single-photon photodetectors and the at least one additional photodetector; selecting a photodetector signal from at least two of: the two received photodetector signals and a combined photodetector signal formed by combining the two received photodetector signals; and determining an intensity of light in the field of view based on the selected photodetector signal.Type: ApplicationFiled: September 25, 2017Publication date: March 28, 2019Inventors: Caner Onal, Blaise Gassend, Pierre-yves Droz
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Publication number: 20190094362Abstract: A laser warning receiver system and method having at least four optical components mapped to a photodetector array to provide for omnidirectional detection of incident laser light. In some cases, a fifth optical component is mapped to the central portion of a photodetector array to provide hemispheric detection of laser light. The laser warning receiver system is configured to detect laser light in the NIR, SWIR, MWIR, and/or LWIR range using a single photodetector array and ROIC.Type: ApplicationFiled: September 28, 2017Publication date: March 28, 2019Inventors: Michael J. CHOINIERE, Will R. GRIGSBY, Eric C. HOENES, Jeffrey L. JEW
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Publication number: 20190094363Abstract: A laser measuring instrument comprises a light emitter, a driver, a scanning unit, a light receiving signal processing module for detecting a reciprocating time per pulsed light of a distance measuring light and performing a distance measurement, and a timing generating circuit for issuing a timing signal, wherein the timing generating circuit is configured to issue a timing signal for making the light emitter pulse-emit in a short cycle and a timing signal for pausing a light emission, the driver is configured to make the light emitter pulse-emit according to the timing signals, a light emission time interval in the short cycle is set such that a measuring point is multiply irradiated with the pulsed light by two or more times within a time when the pulsed light passes the measuring point, and the light receiving signal processing module is configured to integrate acquired light receiving signals and to carry out the distance measurement.Type: ApplicationFiled: September 17, 2018Publication date: March 28, 2019Inventors: Fumio Ohtomo, Kaoru Kumagai, Ken-ichiro Yoshino
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Publication number: 20190094364Abstract: Depth-sensing apparatus includes a laser, which is configured to emit pulses of optical radiation toward a scene. One or more detectors are configured to receive the optical radiation that is reflected from points in the scene and to output signals indicative of respective times of arrival of the received radiation. Control and processing circuitry is coupled to drive the laser to emit a succession of output sequences of the pulses with different, respective temporal spacings between the pulses within the output sequences in the succession, and to match the times of arrival of input sequences of the signals to the temporal spacings of the output sequences in order to find respective times of flight for the points in the scene.Type: ApplicationFiled: December 18, 2017Publication date: March 28, 2019Inventors: Nadav Fine, Oz Barak, Tal Kaitz
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Publication number: 20190094365Abstract: Monitoring system includes: a light projecting and receiving unit including an emitting section to emit a light flux, a scanning section to make the light flux scan within a monitoring space, and a light receiving section to receive a light flux reflected from an object within the monitoring space; a processing section to measure a distance to the object by processing signals from the light projecting and receiving unit and to output a measurement point marker group provided with three-dimensional distance information for each measurement point; a user interface that sets a monitoring region in a virtual space by an operation of a user; and a display device that, when the monitoring region has been set via the user interface, displays the set monitoring region together with the measurement point marker group, wherein the processing section outputs an alarm signal when an object invades within the monitoring region during monitoring.Type: ApplicationFiled: May 9, 2017Publication date: March 28, 2019Inventor: Junichi FUJITA
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Publication number: 20190094366Abstract: An FM LIDAR system is described that includes a frequency modulated LIDAR system that incorporates a laser source that is optically coupled to a whispering gallery mode optical resonator. Light from the laser that is coupled into the whispering gallery mode optical resonator is coupled back out as a returning counterpropagating wave having a frequency characteristic of a whispering gallery mode of the optical resonator. This returning wave is used to reduce the linewidth of the source laser by optical injection. Modulation of the optical properties of the whispering gallery mode optical resonator results in modulation of the frequency of the frequencies supported by whispering gallery modes of the resonator, and provides a method for producing highly linear and reproducible optical chirps that are highly suited for use in a LIDAR system. Methods of using such an FM LIDAR system and vehicle assisting systems that incorporate such FM LIDAR systems are also described.Type: ApplicationFiled: November 28, 2018Publication date: March 28, 2019Inventors: Lutfollah Maleki, Andrey B. Matsko
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Publication number: 20190094367Abstract: A method for determining a substitute distance between a location and a substitute impact point of a projectile in a Horizontal Plane (3) common with the location, the method determining a Target Distance (6) between the location and a Target (2) arranged on a Sight Line (4), and the method determining an Elevation Angle (?, 5) formed by the Sight Line (4) with the Horizontal Plane (3), wherein an Equivalent Horizontal Distance (E, 17) is calculated as a substitute distance by correcting the Target Distance (6) with at least one Correction Coefficient (KK) dependent on the Elevation Angle (?, 5)Type: ApplicationFiled: September 21, 2018Publication date: March 28, 2019Applicant: Swarovski-Optik KG.Inventor: Andreas Zimmermann
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Publication number: 20190094368Abstract: A displacement measurement device and a measurement method are provided. A displacement measurement device includes a light projecting unit configured to generate a light beam; a sensor head configured to emit the light beam to a measurement target object and receive a light beam reflected at the measurement target surface within the emitted light beam; a storage unit configured to store a function using a distance between the sensor head and the measurement target surface as a variable; and a control unit configured to calculate the distance based on a wavelength of the light received by the sensor head. The control unit calculates a value of the function using a distance between the sensor head and the measurement target surface of the measurement target object as a value of the variable. The control unit corrects the calculated distance using the calculated value of the function.Type: ApplicationFiled: February 12, 2018Publication date: March 28, 2019Applicant: OMRON CorporationInventors: Tomonori KONDO, Yuta SUZUKI, Kenichi MATOBA
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Publication number: 20190094369Abstract: A method of standardizing assessment of the condition of a trail for pedestrian, biking, or equestrian use. Apparatuses include a LiDAR unit and a (e.g., video) camera. Data is stored in a common database, synchronized with respect to time (e.g., date) or location, or a combination. Methods include navigating a trail while collecting data with LIDAR and camera, downloading data to a computer, and assessing the trail, for example, against (e.g., USFS) trail standards. Assessment of trails can be standardized to uniform/consistent trail maintenance/construction standards, build/construction plans can be developed, and trail contract compliance can be evaluated. LiDAR data can accurately identify or predict plant encroachment, out of spec rock and grade, risk assessment, and trail failure (e.g., when a hydrology model is applied). Methods can be used to evaluate where to build a new trail by obtaining data from multiple different proposed trail routes and comparing the proposed routes.Type: ApplicationFiled: September 26, 2018Publication date: March 28, 2019Inventor: Matthew A. Woodson
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Publication number: 20190094370Abstract: On-board equipment for a motor vehicle includes a DSRC radio receiving a signal from road side equipment. The signal has an accurate frequency in accordance with GPS time. A GPS receiver is communicatively coupled to the DSRC radio. The on-board equipment determines the error in the GPS receiver clock or time and provides the GPS receiver with the time error. The determining of the GPS receiver time error is dependent upon the accurate frequency in the air-borne RSE signal. The GPS time error or compensation is dependent upon the GPS accurate time.Type: ApplicationFiled: September 25, 2018Publication date: March 28, 2019Inventors: SAMEH WILLIAM TAWADROUS, Hans A. Troemel, JR.
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Publication number: 20190094371Abstract: Disclosed are a system, apparatus, and method for monitoring integrity of satellites, and global navigation satellite systems (GNSS). One or more satellites in one or more GNSS are monitored based on a reference crowdsourced integrity report. One or more satellite integrity metrics are determined for the one or more satellites based at least on signals from the one or more satellites. A position of the mobile device is estimated. The position of the mobile device and the one or more satellite integrity metrics are provided.Type: ApplicationFiled: September 22, 2017Publication date: March 28, 2019Inventors: Zoltan BIACS, Ning LUO
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Publication number: 20190094372Abstract: Systems and methods for providing a health coaching message are disclosed. The method may include processing an electronic audio file to generate audio pace data, storing the audio pace data, receiving the electronic audio file and pace data, collecting electronic fitness data during a fitness activity; generating activity pace data; and playing the electronic audio file based on a comparison of the audio pace data and the activity pace data.Type: ApplicationFiled: November 21, 2018Publication date: March 28, 2019Inventors: Andrew J. GRAHAM, Alan R. LEE, Jon H. WERNER
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Publication number: 20190094373Abstract: Systems and methods for presenting route traversal information are disclosed. The method may include collecting electronic fitness data related to a fitness activity; generating electronic pace data; and displaying a route map and the electronic pace data on a display.Type: ApplicationFiled: November 21, 2018Publication date: March 28, 2019Inventors: Andrew J. GRAHAM, Alan R. LEE, Jon H. WERNER
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Publication number: 20190094374Abstract: Systems and methods for providing a health coaching message to a user are disclosed. The method may include collecting electronic fitness data related to a fitness activity; receiving footwear electronic data related to the electronic fitness data; collecting second electronic fitness data related to a second fitness activity; receiving second footwear electronic data; generating footwear electronic mileage data; and displaying the footwear electronic mileage data.Type: ApplicationFiled: November 21, 2018Publication date: March 28, 2019Inventors: Andrew J. GRAHAM, Alan R. LEE, Jon H. WERNER
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Publication number: 20190094375Abstract: Systems and methods for providing a health coaching message are disclosed. The method may include collecting electronic fitness data related to a fitness activity; transmitting the electronic fitness data; receiving the electronic fitness data; collecting second electronic fitness data; generating comparison data related to the electronic fitness data and the second electronic fitness data to determine a first ranking and a second ranking; and displaying the first ranking and the second ranking.Type: ApplicationFiled: November 21, 2018Publication date: March 28, 2019Inventors: Andrew J. GRAHAM, Alan R. LEE, Jon H. WERNER
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Publication number: 20190094376Abstract: Systems and methods for modifying a fitness plan are disclosed. The method may include providing a user input; receiving a user selection; identifying electronic plan data stored in a database; receiving the electronic plan data on a portable electronic device; generating an electronic schedule of fitness activities based on the electronic plan data; receiving a second user selection related to the electronic schedule; and modifying the electronic schedule based on the second user selection.Type: ApplicationFiled: November 21, 2018Publication date: March 28, 2019Inventors: Andrew J. GRAHAM, Alan R. LEE, Jon H. WERNER
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Publication number: 20190094377Abstract: Disclosed are a system, apparatus, and method for optimizing GNSS search. A first radio signal is received from a terrestrial base station and a course location of the mobile device is estimated. A first time offset of the terrestrial base station to a timing signal of a target satellite is determined for locating a position of the target satellite. A distance from the position of the target satellite to the estimated course location of the mobile device is determined. A GNSS search is performed based on the distance from the target satellite and the first time offset of the first radio signal from the first terrestrial base station.Type: ApplicationFiled: September 22, 2017Publication date: March 28, 2019Inventor: Rayman PON
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Publication number: 20190094378Abstract: On-board equipment for a motor vehicle includes a DSRC radio receiving a signal from road side equipment. The signal has an accurate frequency in accordance with GPS time. A GPS receiver is communicatively coupled to the DSRC radio. The on-board equipment determines the error in the GPS receiver clock or time and provides the GPS receiver with the time error. The determining of the GPS receiver time error is dependent upon the accurate frequency in the air-borne RSE signal. The GPS time error or compensation is dependent upon the GPS accurate time.Type: ApplicationFiled: August 29, 2018Publication date: March 28, 2019Inventors: SAMEH WILLIAM TAWADROUS, HANS A. TROEMEL, JR.
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Publication number: 20190094379Abstract: The disclosed embodiments use 3D city models and shadow mapping to improve altitude fixes in urban environments. In an embodiment, a method comprises: generating a set of three-dimensional (3D) candidate positions in a geographic area of interest; predicting global navigation satellite system (GNSS) signal visibility at selected ones of the 3D candidate positions; receiving GNSS signals at a current location of the mobile device; determining observed satellite visibility based on the received GNSS signals; comparing the predicted satellite visibility with the observed satellite visibility; determining a position fix based on a result of the comparing; determining an indoor environment where the mobile device is located based at least on an altitude component of the position fix; obtaining structural data for the identified indoor environment; and determining a floor lower bound for the current location of the mobile device based on the altitude component and the structural data.Type: ApplicationFiled: September 28, 2017Publication date: March 28, 2019Applicant: Apple Inc.Inventors: Kumar Gaurav Chhokra, Glenn Donald MacGougan, Robert Mayor
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Publication number: 20190094380Abstract: A satellite radiowave receiving device includes a receiver and a processor. The receiver acquires and receives radiowaves from a positioning satellite. The processor performing a positioning operation based on the radiowaves received by the receiver to obtain a current position of the satellite radiowave receiving device. The processor causes the receiver to stop an acquiring operation of radiowaves from a new positioning satellite under a predetermined condition while radiowaves are being acquired from a required number of positioning satellite for the positioning operation. If an error range of the obtained current position no longer satisfies a predetermined accuracy standard during a stop of the acquiring operation, the processor causes the receiver to resume the acquiring operation.Type: ApplicationFiled: August 14, 2018Publication date: March 28, 2019Applicant: CASIO COMPUTER CO., LTD.Inventors: Takeshi MATSUE, Tatsuya SEKITSUKA, Ryuji SHINGYOJI
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Publication number: 20190094381Abstract: A satellite radiowave receiving device includes a receiver and a processor. The receiver receives radiowaves from a positioning satellite. The processor performs a positioning operation based on the radiowaves received by the receiver to obtain a current position. The processor calculates an error range at the current position based on a positioning accuracy and a deviation. The positioning accuracy is obtained by combining each position of a plurality of positioning satellites and receiving state of radiowaves from each of the plurality of positioning satellites, and the deviation is a deviation of the current position and a predicted position calculated in accordance with a travelling state of the satellite radiowave receiving device.Type: ApplicationFiled: September 19, 2018Publication date: March 28, 2019Applicant: CASIO COMPUTER CO., LTD.Inventors: Takeshi MATSUE, Tatsuya SEKITSUKA, Ryuji SHINGYOJI
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Publication number: 20190094382Abstract: A satellite radiowave receiving device includes a receiver performing a receiving operation of radiowaves transmitted from a positioning satellite and a processor controlling a positioning operation. The processor performs the positioning operation within at least a predetermined maximum positioning interval from a last positioning operation using preliminarily obtained date and time information and valid positional information on the positioning satellite to obtain a current position of the satellite radiowave receiving device and date and time information. The processor causes the receiver to perform the receiving operation within at least a predetermined date and time updating interval shorter than the predetermined maximum positioning interval from a last time when date and time information is obtained from radiowaves transmitted from a positioning satellite to obtain date and time information without the positioning operation.Type: ApplicationFiled: September 19, 2018Publication date: March 28, 2019Applicant: CASIO COMPUTER CO., LTD.Inventors: Tatsuya SEKITSUKA, Takeshi MATSUE
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Publication number: 20190094383Abstract: Techniques are provided which may be implemented using various methods and/or apparatuses in a mobile device to provide indications of power use associated with route options for navigation on a mobile device. Navigation route options may be displayed with associated indications of power usage information, enabling power usage to be utilized in determining route selection.Type: ApplicationFiled: September 22, 2017Publication date: March 28, 2019Inventors: Koushik ANNAPUREDDY, Balaji SRINIVASAN, Kameshwar KAZA, Maulik MEHTA, Naveen YANAMADALA
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Publication number: 20190094384Abstract: An electronic timepiece includes a dial, a solar battery on a rear surface side of the dial, and an antenna on a rear surface side of the solar battery so as to receive a radio wave. The solar battery includes a solar cell for generating power and a first non-power generating section which transmits the radio wave to the antenna. The solar cell includes a metal electrode, a semiconductor layer on the dial side of the metal electrode, and a transparent electrode on the dial side of the semiconductor layer. The metal electrode and the transparent electrode are excluded from the first non-power generating section, and the semiconductor layer is included within at least a portion of the first non-power generating section. The solar battery further includes a non-conductive member which regulates light transmittance on the dial side of the semiconductor layer in the first non-power generating section.Type: ApplicationFiled: September 25, 2018Publication date: March 28, 2019Inventors: Norimitsu BABA, Keiichi MUKAIYAMA
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Publication number: 20190094385Abstract: The invention discloses an improved GNSS receiver which determines a location of the receiver by combining a first location determined either from the standard PVT of a multi-frequency receiver and/or from a positioning aid like a map matching algorithm, inertial navigation system, WiFi localization system or other, and a second location determined by integrating the velocity from the standard PVT. The combination is based on a duty cycle or a combination of the duty cycle with a weighting of the error budgets of the first position and the second location. The improved receiver is preferably based on a standard receiver with an add-on software module which receives and processes data transmitted from the standard receiver by, for example, NMEA messages. The improved receiver allows a determination of a more precise and smoother trajectory in a simple way.Type: ApplicationFiled: March 31, 2017Publication date: March 28, 2019Applicant: CENTRE NATIONAL D'ETUDES SPATIALESInventors: Denis LAURICHESSE, François-Xavier MARMET, Lionel RIES
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Publication number: 20190094386Abstract: A moving state determining device includes a receiver receiving radiowaves from a positioning satellite and a processor. The processor determines a moving state of a satellite radiowave receiving unit based on a motion state measured by a sensor which measures a motion state, and performs a positioning operation based on information received by the receiver to obtain a current position and an error range thereof. In determining the moving state, a positioning operation result obtained when the error range satisfies a predetermined accuracy standard can be used. The error range is calculated based on a positioning accuracy and a deviation of the obtained current position and a predicted position calculated in accordance with the moving state. The positioning accuracy is obtained by combining each position of positioning satellites from which radiowaves are received and each receiving state of the radiowaves.Type: ApplicationFiled: September 19, 2018Publication date: March 28, 2019Applicant: CASIO COMPUTER CO., LTD.Inventors: Takeshi MATSUE, Tatsuya SEKITSUKA
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Publication number: 20190094387Abstract: A device implementing a system for estimating device location includes at least one processor configured to receive a first and second set of signals at a sampling interval, each set corresponding to location data. For each sampling period defined by the sampling interval, the at least one processor is configured to obtain first sensor data corresponding to device motion during the sampling period, obtain second sensor data corresponding to atmospheric pressure sampled at a beginning and end of the sampling period, calculate a change in altitude based on a difference in the atmospheric pressure at the beginning and end of the sampling period, and estimate a device state based on the first sensor data and change in altitude.Type: ApplicationFiled: December 22, 2017Publication date: March 28, 2019Inventors: Isaac T. MILLER, Changlin MA
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Publication number: 20190094388Abstract: Methods, apparatuses and computer programs are disclosed for estimating, or at least for generating information usable to estimate, the heading of at least one axis of interest of a rigid body. Rigid body is equipped with an antenna of a navigation satellite system (NSS) receiver, and with sensor equipment comprising sensors such as a gyroscope, an angle sensor, and accelerometers, depending on the form of the invention. Rigid body is subject to a known motion comprising causing a point's horizontal position to change, the point being referred to as “point B”, while keeping another point's position, the point being referred to as “point A”, fixed relative to the Earth. Considering the motion constraint, an estimation of the heading is generated using sensor equipment data and NSS receiver data. The estimation of the heading may for example be used to estimate the position of any point of rigid body.Type: ApplicationFiled: September 19, 2018Publication date: March 28, 2019Inventor: Lorenz Görcke
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Publication number: 20190094389Abstract: A method for determining a location of a vehicle is provided. The method includes receiving, at data processing hardware, a first set of vehicle system data from one or more vehicles. The method also includes determining, at the data processing hardware, a data model based on the first set of vehicle system data. Additionally, the method includes receiving, at the data processing hardware, a second set of vehicle system data associated with the vehicle. The vehicle being different than the one or more vehicles. The method includes determining, using the data processing hardware, a vehicle location based on the second set of vehicle system data and the data model. The method includes displaying, on a user interface of the vehicle in communication with the data processing hardware, the vehicle location.Type: ApplicationFiled: September 24, 2018Publication date: March 28, 2019Applicant: Continental Automotive Systems, Inc.Inventors: Dalong Li, Dominik Froehlich, Ibro Muharemovic
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Publication number: 20190094390Abstract: Techniques for imaging radioactive emission in a target volume include receiving data indicating a set of one or more known emission energies associated with a high energy particle source and determining a Compton line for each emission energy in the set. A Compton camera collects location and deposited energy from an interaction associated with a single source event from a target volume of a subject. For the single source event, an earliest deposited energy, E1, and first scattering angle, ?1, and a cone of possible locations for the source event are determined. A particular location for the high energy particle source within the target volume without including the single source event, if E1 is not within a predetermined interval of the Compton line for at least one of known emission energies. A solution is presented on a FILTER display device.Type: ApplicationFiled: March 8, 2017Publication date: March 28, 2019Inventors: Jerimy Polf, Emily Draeger, Stephen Peterson, Dennis Mackin, A. Sam Beddar
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Publication number: 20190094391Abstract: The present disclosure relates to an X-ray detection device and a detection method, which can improve a sampling rate and spatial resolution without increasing an exposure dose to a subject. The X-ray detection device according to an aspect of the present disclosure includes: a scintillator adapted to generate scintillation light in response to incident X-rays; a detection unit including a plurality of pixels each generating a pixel signal in response to the scintillation light incident thereon; and an output unit adapted to generate the X-ray two-dimensional projection data by using the pixel signals of the pixels, in which the pixel of the detection unit includes: a plurality of subpixels adapted to perform photoelectric conversion in response to the scintillation light; an AD conversion unit adapted to apply AD conversion to outputs of the subpixels; and an adder adapted to generate the pixel signal corresponding to the pixel by adding up outputs of the plurality of subpixels after the AD conversion.Type: ApplicationFiled: April 7, 2017Publication date: March 28, 2019Inventors: TOSHIYUKI NISHIHARA, KENICHI OKUMURA, TSUTOMU IMOTO, MASAO MATSUMURA
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Publication number: 20190094392Abstract: A downhole gamma ray detector having improved resistance to shocks and vibrations encountered during use of modern drilling techniques. The detector includes a scintillator with a window for emitting photons upon receipt of gamma rays. The window faces a photon-receiving end of a photomultiplier tube. The scintillator and the photomultiplier tube are held in a fixed arrangement with respect to each other to provide an empty gap between the window and the photon-receiving end of the photomultiplier tube.Type: ApplicationFiled: September 21, 2018Publication date: March 28, 2019Applicant: QCD Technology, Inc.Inventors: Cornel DINICA, Richard JOHNSON, Anthony Desmond RUSSELL
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Publication number: 20190094393Abstract: Disclosed herein is a radiation detector, comprising: a radiation absorption layer comprising an electrode; a voltage comparator that compares a voltage of the electrode to a first threshold; a counter that registers a number of photons of radiation absorbed by the radiation absorption layer; a controller; and a voltmeter. The controller is configured to start a time delay from a time at which the voltage comparator determines that an absolute value of the voltage equals or exceeds an absolute value of the first threshold. The controller is configured to cause the voltmeter to measure the voltage upon expiration of the time delay. The controller is configured to determine the number of photons by dividing the voltage measured by the voltmeter by a voltage that a single photon would have caused on the electrode. The controller can cause the number registered by the counter to increase by the number of photons.Type: ApplicationFiled: November 9, 2018Publication date: March 28, 2019Inventors: Peiyan CAO, Yurun LIU
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Publication number: 20190094394Abstract: A radiation imaging system for generating a moving image includes pixels each including a signal generation unit configured to convert radiation into charges; a reading circuit configured to read, from each pixel, an accumulation signal output from the signal generation unit in accordance with accumulated charges and a reset signal output from the signal generation unit in a reset state; a storage unit; and a signal processing unit stores, in the storage unit, a correction image generated based on the reset signal and the accumulation signal read from each pixel before initial irradiation, and generates a frame image in each frame period based on a radiation image generated based on the accumulation signal read from each pixel, a reset image generated based on the reset signal read from each pixel, and the correction image stored in the storage unit.Type: ApplicationFiled: September 19, 2018Publication date: March 28, 2019Inventor: KAZUMASA MATSUMOTO
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Publication number: 20190094395Abstract: Disclosed are a system and method for processing a beam position monitor signal. The system includes an analog-to-digital converter (ADC) sampler configured to measure signal intensity through the optimization of an ADC sampling rate and bits using a radio frequency (RF) switch and a low noise amplifier (LNA) and to convert an analog signal into a digital signal and an FPGA configured to perform digital signal processing. The FPGA is further configured to include a digital signal synthesizer configured to extract only an optimized harmonic signal of multiple harmonic signals of the digital signal converted by the ADC sampler through a digital band pass filter so that the multiple harmonic signals are separated and signal processing is performed for each harmonics, and an IQ calculator configured to perform beam position measurement, beam position measurement and relative beam current measurement on the extracted digital signal through a digital circuit.Type: ApplicationFiled: September 28, 2018Publication date: March 28, 2019Inventors: Siwon JANG, Eun-San KIM
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Publication number: 20190094396Abstract: Disclosed herein is a radiation detector, comprising: a radiation absorption layer configured to absorb a radiation; a plurality of counters each associated with a bin and configured to register a number of particles of the radiation particles absorbed by the detector; a memory comprising a plurality of units, which can be dynamically allocated to the counters.Type: ApplicationFiled: November 9, 2018Publication date: March 28, 2019Inventors: Peiyan CAO, Yurun LIU
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Publication number: 20190094397Abstract: A system and method for hydraulic fracturing and monitoring microseismic events related to hydraulic fracturing are described. One method describes a method of hydraulic fracturing gas production comprising drilling and casing a gas production well with a horizontal section within a formation layer, perforating the horizontal section of the well at a known location, and monitoring the resulting seismic waves using an array of geophones. Using the seismic waves resulting from the perforation shot, subsequent microseismic events may be located using a root mean square velocity and average velocity and without the use of a depth velocity model.Type: ApplicationFiled: September 25, 2018Publication date: March 28, 2019Applicant: REAL TIME GEOMECHANICS, LLCInventors: Jie Zhang, Wei Zhang, Xiong Zhang
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Publication number: 20190094398Abstract: Seismic data of a subterranean region is received by data processing apparatus. The seismic data includes multiple seismic data points. For each seismic data point, gradients are computed based on the received seismic data and a dip angle is computed based on the gradients for the each seismic data point. The dip angle is smoothed using anisotropic diffusion.Type: ApplicationFiled: September 24, 2018Publication date: March 28, 2019Applicant: Saudi Arabian Oil CompanyInventor: Hyoungsu Baek
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Publication number: 20190094399Abstract: A zero-offset wavefield synthesis workflow to calculate a synthesized zero-offset wavefield output without the commitment to an rms velocity field output to circumvent velocity uncertainty. Said zero-offset wavefield synthesis workflow comprises calculating a migration cube output. Rendering a demigration cube output from said migration cube output with a demigration cube calculation. Rendering said synthesized zero-offset wavefield output from said demigration cube output with a zero-offset wavefield synthesis procedure.Type: ApplicationFiled: January 5, 2018Publication date: March 28, 2019Inventor: Özdogan Yilmaz
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Publication number: 20190094400Abstract: The present disclosure provides a vector denoising method for the multicomponent seismic data, including: obtaining a wave vector of the multicomponent seismic data; calculating a first mean wave vector for the multicomponent seismic data by applying a first moving window, performing a median filtering for the first mean wave vector to obtain a true modulus of the ground roll, subtracting the wave vector of the ground roll from the multicomponent seismic data to obtain a vector time-series; performing a mean filtering for the vector time-series by using a second moving window to obtain a second mean wave vector, performing a median filtering and performing a median the median filtering within the same receiving line for the second mean wave vector to supress the wave vector of the random noise in the vector time-series, thereby obtaining a wave vector of a purified effective signal.Type: ApplicationFiled: April 3, 2018Publication date: March 28, 2019Inventors: Jun LU, Yun WANG
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Publication number: 20190094401Abstract: Marine surveys carried out with multiple source arrays comprising three or more sources are discussed. Each source of a multiple source array is an array of source elements, such as air guns. The sources of a multiple source array may be arranged in particular type of configuration that is effectively maintained while the survey vessel travels a sail line. The sources of the multiple source array are activated to acoustically illuminate a subterranean formation with acoustic signals. Two or more sources of a multiple source array may be activated to create blended seismic data. Methods to deblend, source deghost, and attenuate noise in the blended seismic data obtained by using a multiple source array are also discussed.Type: ApplicationFiled: November 27, 2018Publication date: March 28, 2019Applicant: PGS Geophysical ASInventor: Gert-Jan Adriaan van Groenestijn
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Publication number: 20190094402Abstract: Disclosed is a method for determining skew measurements for clock errors in an autonomous seismic node. A parabolic fit may be used to estimate the clock drift of an ocean bottom seismic node during node deployment. A temperature and/or frequency trend and a real-time temperature measurement may be used to compute a temperature corrected parabolic trend. The temperature and/or frequency trend may be measured in a laboratory on a node by node basis or it may be a single trend that is suitable for all nodes. The method may include measuring clock skew prior to node deployment and after node recovery, correcting the pre and post deployment skew measurements based on a temperature and/or frequency trend and/or to a constant reference temperature, and/or computing a parabolic trend of the skew measurements of the clock based on the temperature corrected pre and post deployment skew measurements.Type: ApplicationFiled: September 25, 2018Publication date: March 28, 2019Applicant: Seabed Geosolutions B.V.Inventors: Timothy John Bunting, Bjarne Isfeldt
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Publication number: 20190094403Abstract: Systems and methods for estimating reservoir productivity as a function of depth in a subsurface volume of interest are disclosed. Exemplary implementations may: obtain subsurface data and well data corresponding to a subsurface volume of interest; obtain a parameter model; use the subsurface data and the well data to generate multiple production parameter maps; apply the parameter model to the multiple production parameter maps to generate refined production parameter values; generate multiple refined production parameter graphs; display the multiple refined production parameter graphs; generate one or more user input options; receive the one or more user input options selected by a user to generate limited production parameter values; generate a representation of estimated reservoir productivity as a function of depth in the subsurface volume of interest using visual effects; and display the representation.Type: ApplicationFiled: September 27, 2018Publication date: March 28, 2019Inventors: Shane James PROCHNOW, Yuanbo LIN, Michael J. RICHEY, Matthew C. JONES
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Publication number: 20190094404Abstract: A proximity sensor that outputs presence or absence of a detection object or a position of the detection object as a detection result includes: a detection part configured to include a detection coil and a capacitor; an oscillation circuit configured to excite the detection part; an analog/digital conversion circuit configured to detect a signal change occurring in the detection part and output a digital signal indicating the detected signal change; a temperature detection part configured to detect a temperature inside a casing of the proximity sensor; a storage part configured to store a characteristic parameter unique to the proximity sensor in advance; a control calculation part configured to process a digital signal from the analog/digital conversion circuit to calculate a signal indicating a distance to the detection object, compensate the calculated signal using the characteristics parameter stored in the storage part, and output the compensated signal as the detection result.Type: ApplicationFiled: February 8, 2018Publication date: March 28, 2019Applicant: OMRON CorporationInventors: Ryota HASEGAWA, Hiroyuki TSUCHIDA, Kazuaki MIYAMOTO, Yusuke HAYASHI, Kenji MATSUOKA