Patents Issued in October 17, 2019
-
Publication number: 20190317166Abstract: An MRI apparatus according to an embodiment includes a whole body RF coil accommodated in a gantry. The whole body RF coil includes a first element unit used for transmission of a radio frequency magnetic field; and a second element unit used for reception of a magnetic resonance signal produced from a subject having been applied with the radio frequency magnetic field. The first element unit is a birdcage-type RF coil having two end rings and a plurality of rungs spaced apart from each other along the circumferential direction of the end rings. The second element unit is a microstrip antenna.Type: ApplicationFiled: April 11, 2019Publication date: October 17, 2019Applicant: Canon Medical Systems CorporationInventors: Satoshi Imai, Sadanori Tomiha
-
Publication number: 20190317167Abstract: Superparamagnetic nanoparticle-based analytical method comprising providing a sample having analytes in a sample matrix, providing a point of care chip having analytical regions, each of which is a stationary phase having at least one or more sections, labeling each of the analytes with a superparamagnetic nanoparticle and immobilizing the labeled analytes in the stationary phase, providing an analytical device having a means for exciting the superparamagnetic nanoparticles in vitro and a means for sensing, receiving, and transmitting response of the excited superparamagnetic nanoparticles, placing the chip in the analytical device and exciting the superparamagnetic nanoparticles in vitro, sensing, receiving, and transmitting the response of the superparamagnetic nanoparticles, and analyzing the response and determining characteristic of the analytes, wherein the response of the superparamagnetic nanoparticles comprises harmonics.Type: ApplicationFiled: April 9, 2019Publication date: October 17, 2019Inventors: Ronald T. LABORDE, Yu Ge, Kevin N. Walda
-
Publication number: 20190317168Abstract: In a method, control computer and magnetic resonance (MR) apparatus for generating MR recordings of an examination object, first magnetic MR data are acquired in a first recording region inside a homogeneity volume of the scanner of the MR apparatus, and second MR raw data are acquired in a second recording region outside the homogeneity volume. First image data are reconstructed on the basis of the first MR raw data and second image data are reconstructed on the basis of the second MR raw data. The first image data and the second image data are combined to form combination image data, which cover a region that extends in the first recording region and in the second recording region.Type: ApplicationFiled: April 15, 2019Publication date: October 17, 2019Applicant: Siemens Healthcare GmbHInventor: Stefan Popescu
-
Publication number: 20190317169Abstract: In a method for reconstructing contrast levels from magnetic resonance (MR) acquisitions using a parallel acquisition (PAT) technique, MR raw data for at least two contrast levels are generated or acquired, the raw data includes reference lines. Reference line images are reconstructed from the reference lines of the MR raw data for at least two of the contrast levels. A histogram analysis is implemented on the basis of the reference line images. A PAT reconstruction of image representations of the different contrast levels is implemented, wherein the decision as to which reference lines are used for the PAT reconstruction being made on the basis of the histogram analysis.Type: ApplicationFiled: April 15, 2019Publication date: October 17, 2019Applicant: Siemens Healthcare GmbHInventors: Flavio Carinci, Dominik Paul
-
Publication number: 20190317170Abstract: Examples described herein may provide for pre-triggering imaging scans (e.g. fMRI scans) using an electronic timer synchronized to a stimulation system.Type: ApplicationFiled: December 12, 2017Publication date: October 17, 2019Inventors: Michael MADSEN, Zhongnan FANG, Jin Hyung LEE
-
Publication number: 20190317171Abstract: Tracer kinetic models are utilized as temporal constraints for highly under-sampled reconstruction of DCE-MRI data. In one embodiment, a method for improving dynamic contrast enhanced imaging. The method includes steps of administering a magnetic resonance contrast agent to a subject and then collecting magnetic resonance contrast agent from the subject. A tracer kinetic model (i.e. eTofts or Patlak) is selected to be applied to the magnetic resonance imaging data. The tracer kinetic model is applied to the magnetic resonance imaging data. Tracer kinetic maps and dynamic images are simultaneously reconstructed and a consistency constraint is applied. The proposed method allows for easy use of different tracer kinetic models in the formulation and estimation of patient-specific arterial input functions jointly with tracer kinetic maps.Type: ApplicationFiled: April 15, 2019Publication date: October 17, 2019Inventors: KRISHNA S. NAYAK, YANNICK BLIESENER
-
Publication number: 20190317172Abstract: In a method for reconstructing magnetic resonance (MR) image data from k-space data, k-space data of an image region of a subject are provided to a computer that is also provided with multiple navigator signals for the image region of the subject. The computer sorts the k-space data into multiple bins, the multiple bins representing different motion states of the subject. For each of the multiple bins, the computer executes a compressed sensing procedure to reconstruct the MR image data from the k-space data in the respective bin. Execution of the compressed sensing procedure includes solving an optimization problem comprising a data consistency component and a transform sparsity component. Motion information is incorporated by the computer into at least one of the data consistency component and the transform sparsity component of the optimization problem.Type: ApplicationFiled: April 12, 2019Publication date: October 17, 2019Applicant: Siemens Healthcare LimitedInventors: Rene Botnar, Teresa Correia, Radhouene Neji, Claudia Prieto
-
Publication number: 20190317173Abstract: The present application discloses methods and apparatus for measuring the arbitrary magnetic response of many individual magnetic particles at once, using a plurality of magnetic images of the magnetic particles acquired over a range of magnetic conditions.Type: ApplicationFiled: October 20, 2017Publication date: October 17, 2019Inventors: Colin B. Connolly, Jeffrey D. Randall, Seabron C. Adamson
-
Publication number: 20190317174Abstract: A testing apparatus and a method for testing electronic devices is provided. The apparatus comprising a plurality of detachably mountable test stations which are operative to perform tests on the electronic devices and a plurality of pick heads for conveying the electronic devices to at least one of the plurality of test stations for testing. The apparatus further comprises an identification element incorporated in each test station indicating a characteristic of the test station, and an identification element detector movable relative to the plurality of test stations, the identification element detector being operative to identify and authenticate the characteristic of the at least one test station by detecting the identification element incorporated in the test station, prior to utilizing the test station for testing the electronic devices.Type: ApplicationFiled: April 17, 2018Publication date: October 17, 2019Inventors: Chi Wah CHENG, Yu Sze CHEUNG
-
Publication number: 20190317175Abstract: In described examples, a Hall effect sensor includes a primary Hall effect sensor element and an auxiliary Hall effect sensor element. A known magnetic field is applied to the auxiliary Hall effect sensor to produce an auxiliary Hall voltage used in a feedback loop to control the bias current of the auxiliary Hall effect sensor to maintain the auxiliary Hall voltage approximately constant over a range of temperature and other factors. A bias current for the primary Hall effect sensor is controlled to track the bias current of the auxiliary Hall effect sensor to maintain the sensitivity of the primary Hall effect sensor approximately constant over the same range of temperature and other factors.Type: ApplicationFiled: April 13, 2018Publication date: October 17, 2019Inventors: Arup Polley, Srinath Ramaswamy, Baher S. Haroun
-
Publication number: 20190317176Abstract: A method for dynamically compensating for the offset error of an acquisition system includes a current sensor to measure or estimate the current passing through an actuator of a electrical apparatus that is electrically supplied by an AC voltage, the acquisition system having a predetermined offset value, the method includes determining a plurality of periodic temporal operating ranges of the actuator in order to dynamically apply a compensation sequence for the offset error of the acquisition system, executing the compensation sequence during any one among the plurality of determined temporal operating ranges, the synchronization between the any one of the determined temporal operating ranges of the actuator and the execution of the compensation sequence being performed using a synchronization system including a synchronization module designed to identify reference times from the AC supply voltage of the sector.Type: ApplicationFiled: December 11, 2017Publication date: October 17, 2019Inventors: Damien COUTELLIER, Louis SCHMERBER
-
Publication number: 20190317177Abstract: An electronic device may use information about the location of nearby devices to make sharing with those devices more intuitive for a user. The electronic device may include control circuitry, wireless circuitry including first and second antennas, and motion sensor circuitry. The control circuitry may determine the location of a nearby electronic device by calculating the angle of arrival of signals that are transmitted by the nearby electronic device. To obtain a complete, unambiguous angle of arrival solution, the electronic device may be moved into different positions during angle of arrival measurement operations. At each position, the control circuitry may calculate a phase difference associated with the received signals. Motion sensor circuitry may gather motion data as the electronic device is moved into the different positions. The control circuitry may use the received antenna signals and the motion data to determine the complete angle of arrival solution.Type: ApplicationFiled: April 11, 2019Publication date: October 17, 2019Inventors: Tunc Ertan, Brent M. Ledvina, Robert W. Brumley, Adam S. Meyer, Peter C. Tsoi
-
Publication number: 20190317178Abstract: Embodiments of the present application provide a method, apparatus and system for controlling a device. The method is applicable to a video capture device (610) in a sound source localization system. The sound source localization system further includes microphones (620) disposed outside the video capture device (610).Type: ApplicationFiled: October 19, 2017Publication date: October 17, 2019Inventors: Yangkun CHEN, Saijuan HE, Zhan CHEN
-
Publication number: 20190317179Abstract: Using atmospheric data from one or more reference nodes to estimate an altitude of a receiver. Assistance data associated with a set of reference nodes within a region is identified, and the assistance data is used to identify atmospheric reference data associated with a subset of selected reference nodes. An estimate of the receiver's altitude is generated using the atmospheric reference data from the subset of reference nodes.Type: ApplicationFiled: June 28, 2019Publication date: October 17, 2019Inventors: Michael DORMODY, Thomas WOLF
-
Publication number: 20190317180Abstract: A controller is formed as an array of transmitting antennas and receiving antennas that are placed on the skin of a user so that the underlying movement of the user's skin can be measured by the interaction of the transmitting antennas and the receiving antennas. In an embodiment, the transmitting antennas and receiving antennas are located in an area proximate to the wrist. The movement of the transmitting antennas and subsequent measurement of signals received by receiving antennas are used in order to determine position and pose of the hand and its digits.Type: ApplicationFiled: April 15, 2019Publication date: October 17, 2019Applicant: Tactual Labs Co.Inventor: David Holman
-
Publication number: 20190317181Abstract: A mobile-terminal detection apparatus that detects a location of a mobile terminal inside a vehicle cabin is provided. The mobile-terminal detection apparatus is configured to receive the radio wave through an interior antenna disposed inside the vehicle cabin; receive the radio wave through a leaky cable disposed inside the vehicle cabin; detect a time difference between a timing of reception of the radio wave from the mobile terminal through the interior antenna and a timing of reception of the radio wave through the leaky cable; and detect, based on the time difference, the location of the mobile terminal relative to a path over which the leaky cable is laid.Type: ApplicationFiled: June 28, 2019Publication date: October 17, 2019Inventor: Munenori MATSUMOTO
-
Publication number: 20190317182Abstract: A method and software product display errors of a tracking system that utilizes a plurality of receivers positioned around a tracking area to receive pings periodically transmitted by a tracking tag within the tracking area. For each locate received from the tracking system, a symbol indicative of the locate is plotted on a display graphically depicting the tracking area. A vector connecting each pair of chronologically consecutive symbols is plotted on the display, the vector visually indicating an error within the locates that would otherwise not be visible on the display. Another method concurrently displays predicted sensitivity for each of at least two receivers of a tracking system that locates tracking tags within a tracking area, the receivers being positioned within a surrounding area of the tracking area. A graphical representation of the surrounding area, the tracking area, and receiver sensitivities indicate the predicted receiver coverage of the tracking area.Type: ApplicationFiled: June 28, 2019Publication date: October 17, 2019Inventors: Douglas J. DeAngelis, Edward G. Evansen, Gerard M. Reilly, Brian D. Rhodes, Joseph M. Gaudreau, Kirk M. Sigel
-
Publication number: 20190317183Abstract: According to an example aspect of the present invention, there is provided an apparatus comprising a receiver configured to receive at least the following wireless messages: an initial message from a master base station, at least one response message from each of at least two non-master base stations and a data message from the master base station, and at least one processing core configured to determine, based on the received wireless messages, for the master base station and each non-master base station, a time difference of arrival from the apparatus, and based at least partly on the determined time difference of arrival, a location of the apparatus.Type: ApplicationFiled: April 11, 2019Publication date: October 17, 2019Inventor: Jukka Kämäräinen
-
Publication number: 20190317184Abstract: Disclosed is method of computing a round trip delay between a pair of nodes, the method comprising transmitting at least one beacon at a known transmit time from each of the nodes; measuring the times-of-arrival of the beacons at other of the nodes; and estimating a round trip delay between the nodes from the measured times-of-arrival and the transmit times; and correcting the round trip delay for either or both of a frequency offset between the nodes and relative motion between the nodes.Type: ApplicationFiled: June 27, 2019Publication date: October 17, 2019Inventors: Mark Hedley, David Eric Humphrey
-
Publication number: 20190317185Abstract: The present disclosure relates to a radar system and a transmission apparatus therefor, including a signal generator for generating a first signal; a phase adjuster configured to include a plurality of input ports and at least one output port, to generate a second signal by adjusting the phase of the first signal according to an input port through which the first signal is transmitted among the plurality of input ports, and to output the generated second signal to an antenna unit; and a port selector configured to select at least one of the plurality of input ports of the phase adjuster according to an identification code and to transmit the first signal through the selected input port so that a transmission signal radiated through the antenna unit is phase inverted or formed in a pattern corresponding to the identification code, so that interference by the other radar system can be minimized, and the accuracy, reliability and frequency efficiency of the radar system can be improved.Type: ApplicationFiled: April 11, 2019Publication date: October 17, 2019Inventors: Jong Gyu Park, Hyeon Dong Cho, HanYeol Yu
-
Publication number: 20190317186Abstract: Disclosed is a radar apparatus including: a local oscillator for outputting a local oscillation signal; a transmitter unit; and a receiver unit. The transmitter unit includes: a transmission input configured to receive the local oscillation signal; and a transmitter configured to transmit a transmission signal based on the local oscillation signal that has been received via the transmission input. The receiver unit includes: a reception input configured to receive the local oscillation signal not via the transmission input; a receiver configured to receive a reflection wave based on the transmission signal; a cancel signal generator configured to generate a cancel signal based on the local oscillation signal that has been received via the reception input; and an adder configured to superimpose the cancel signal on a reception signal.Type: ApplicationFiled: June 24, 2019Publication date: October 17, 2019Inventor: Joji HAYASHI
-
Publication number: 20190317187Abstract: A method for a radar apparatus is described. According to one example implementation, the method involves receiving a multiplicity of chirp echoes from transmitted radar signals and generating a digital signal based on the multiplicity of chirp echoes. In this case, each chirp echo has an associated subsequence of the digital signal. The method further involves performing a filtering in the time domain for one or more subsequences. The filtering in this case involves the decomposition of the subsequence into a plurality of components (referred to as principal components), the selection of a subset of components from the plurality of components and the reconstruction of a modified subsequence based on the selected subset of the component.Type: ApplicationFiled: March 29, 2019Publication date: October 17, 2019Inventors: Paul MEISSNER, Alexander MELZER
-
Publication number: 20190317188Abstract: There is provided an apparatus for generating a jamming signal for deceiving a transmission/reception device. The apparatus includes a reception unit configured to receive a signal transmitted from the transmission/reception device and a determination unit configured to determine whether or not the received signal is a pulse compression signal. The apparatus futher includes a generation unit configured to determine, when the received signal is a pulse compression signal, a deception frequency based on a frequency bandwidth and a pulse width of the received pulse compression signal and generate the jamming signal based on the determined deception frequency.Type: ApplicationFiled: April 15, 2019Publication date: October 17, 2019Inventors: Jung Hoon LEE, Jeil JO
-
Publication number: 20190317189Abstract: A frequency-modulated continuous-wave radar system includes a waveform generator, a delta-sigma modulation circuit, a voltage controlled oscillator, a frequency divider circuit, a control circuit, an injection locked oscillator, a power amplifier circuit, a first power detection circuit, a second power detection circuit, a third power detection circuit, and a calibration engine circuit. The waveform generator, the delta-sigma modulation circuit, the voltage controlled oscillator, the frequency divider circuit, and the control circuit form a phase locked loop.Type: ApplicationFiled: July 9, 2018Publication date: October 17, 2019Inventors: Mike Chun Hung Wang, Pang-Ning Chen, Chen-Lun Lin, Ying-Chia Chen, Wei-Jyun Wang
-
Publication number: 20190317190Abstract: A device includes: a millimeter-wave radar sensor circuit configured to generate N virtual channels of sensed data, where N is an integer number greater than one; and a processor configured to: generate a 2D radar image of a surface in a field of view of the millimeter-wave radar sensor circuit based on sensed data from the N virtual channels of sensed data, where the 2D radar image includes azimuth and range information, generate a multi-dimensional data structure based on the 2D radar image using a transform function, compare the multi-dimensional data structure with a reference multi-dimensional data structure, and determine whether liquid is present in the field of view of the millimeter-wave radar sensor circuit based on comparing the multi-dimensional data structure with the reference multi-dimensional data structure.Type: ApplicationFiled: April 11, 2018Publication date: October 17, 2019Inventors: Avik Santra, Ashutosh Baheti, Andreas Dorfner, Youn Joo Kim, Raghavendran Vagarappan Ulaganathan, Thomas Finke
-
Publication number: 20190317191Abstract: A method for human detection includes: receiving first and second echo signals using a millimeter-wave radar to produce first and second sets of data, respectively; selecting first and second angles based on the first and second sets of data, respectively; performing a FrFT on the first set of data using the first angle; identifying first targets by comparing peaks of the FrFT of the first set of data with a first threshold; performing a FrFT on the second set of data using the second angle; identifying second targets by comparing peaks of the FrFT of the second set of data with the first threshold; generating a set of target tracks based on the identified first and second targets; and associating a target track with a human track based on comparing each target track of the set of target tracks with a set of reference track signatures.Type: ApplicationFiled: April 11, 2018Publication date: October 17, 2019Inventors: Avik Santra, Ashutosh Baheti, Jagjit Singh Bal
-
Publication number: 20190317192Abstract: A LADAR device, including: a rangefinder; a signal transmission module; a power transmission module; a mechanical rotating part; a housing; a signal processing board; and a timing module. The signal transmission module includes at least one optical communication transmitter and one optical communication receiver. The power transmission module includes coupled magnet rings and communicates with the signal transmission module through electromagnetic induction to achieve wireless power transmission. The mechanical rotating part is adapted to drive the rangefinder to rotate axially in 360 degrees. The rangefinder is disposed on the housing, and includes a laser, an emitting lens assembly, a receiving sensor, and a receiving lens. The emitting lens assembly includes a first accommodation space and the laser is disposed in the first accommodation space. The receiving lens includes a second accommodation space and the receiving sensor is disposed in the second accommodation space.Type: ApplicationFiled: June 20, 2019Publication date: October 17, 2019Inventors: Yong WANG, Peihua DUAN, Xiaobo HU
-
Publication number: 20190317193Abstract: Mounting a LIDAR above or external to a vehicle can enhance the LIDAR field of view but can conflict with vehicle aesthetics and ergonomics. Within embodiments, vehicle-integrated systems for distributing laser beams around a vehicle to increase coverage with a low-profile laser range finder are disclosed. A LIDAR can be embedded beneath a roof or body panel of a vehicle as part of a laser distribution system including a set of reflectors and lenses operable to adapt the LIDAR field of view to the vehicle shape. The set of embedded reflectors can guide laser beams parallel (e.g. within the roof structure), to and from the set of lenses at the roof edge to transmit the guided laser into regions of the surrounding beyond the direct field of view of the LIDAR. In other embodiments a beam guide (e.g. including a headlight assembly) can enable a LIDAR to perform ranging from behind a vehicle body panel.Type: ApplicationFiled: December 28, 2017Publication date: October 17, 2019Inventor: James Thomas O'Keeffe
-
Publication number: 20190317194Abstract: A LIDAR sensing system includes a light source that is controlled to project a collimated beam at various wavelengths. An interferometer receives the collimated beam and projects an object beam corresponding to the collimated beam at a diffraction grating. The object beam is diffracted from the diffraction grating at different angles corresponding to the wavelength of the collimated beam. As a result, the LIDAR sensing system generates a vertical scan (e.g., a two-dimensional scan) of the external environment. Various components of the LIDAR sensing system are then configured to rotate to produce multiple vertical scans, thus generating a three-dimensional scan.Type: ApplicationFiled: April 17, 2018Publication date: October 17, 2019Inventor: Changho CHONG
-
Publication number: 20190317195Abstract: Embodiments of the present invention provide a LiDAR system and a laser ranging method. The LiDAR system includes: a laser scanning component and a rotary component; where the laser scanning component includes an emitter assembly, an emitter lens, a receiver lens and a receiver assembly. The emitter assembly includes a plurality of laser emitters and a first optical fiber array, and the receiver assembly includes a plurality of receivers and a second optical fiber array. With the LiDAR system according to the embodiments of the present invention, by using an optical fiber array as a laser emitter end of an emitter assembly, and a reflected light incident end of a receiver assembly, the size of the LiDAR may be reduced, and the production and calibration cost may be lowered.Type: ApplicationFiled: November 15, 2018Publication date: October 17, 2019Applicant: Deepwater Optoelectronics Co. LtdInventors: Weiwei SUN, Haiying WANG
-
Publication number: 20190317196Abstract: An apparatus for reducing crosstalk between cathodes of detector diodes of an imager detector array includes a capacitor and voltage switch coupled into a detector bias network to virtually isolate a detector diode from a common cathode power plane while simultaneously ‘powering’ the diode for image acquisition, e.g., photo current detection. A method includes a timing sequence wherein during non-acquisition time intervals, the capacitor is charged through the voltage switch by turning the switch on to allow charge to flow into the capacitor from a common supply plane. The method further includes disconnecting the capacitor before an acquisition timer interval such that during the acquisition time interval, the current through the detector diode, caused by incident flux, comes from the capacitor and not from the common cathode power plane.Type: ApplicationFiled: April 17, 2019Publication date: October 17, 2019Applicant: Continental Automotive Systems, Inc.Inventors: Martin Denham, Patrick B. Gilliland, Barton M. Goldstein, Osman Musa
-
Publication number: 20190317197Abstract: The invention relates to a monitoring device (1) of a LIDAR system (2), including a detector (5) for detecting laser light and for generating a reference signal (100) from the laser light, and a control loop (6) for minimizing a difference between an amplitude of the reference signal (100) and an amplitude of an actuating signal (200) by varying the actuating signal (200).Type: ApplicationFiled: January 8, 2018Publication date: October 17, 2019Inventors: Martin Wrede, Rene Adams, Reiner Schnitzer
-
Publication number: 20190317198Abstract: The present disclosure relates to a grating device, a light-emitting unit and a light detection method. The grating device includes a first waveguide and a second waveguide. A first input beam of a TE mode propagates through the first waveguide, and a second input beam of a TM mode propagates through the second waveguide. Output beams are obtained by diffraction which steer the first and second input beams. The first and second input beams have different steering angles at least at one wavelength. The grating device tunes a steering angle by varying a wavelength. The two input beams have different polarization modes, which increases an angle range of steering angles by wavelength tuning. A lidar using the grating device can expend an angle range of detection.Type: ApplicationFiled: April 15, 2019Publication date: October 17, 2019Inventor: Qiang WANG
-
Publication number: 20190317199Abstract: A LIDAR sensing system includes a light source that is controlled to project a collimated beam at various wavelengths. An interferometer receives the collimated beam and projects an object beam corresponding to the collimated beam at a diffraction grating. The object beam is diffracted from the diffraction grating at different angles corresponding to the wavelength of the collimated beam, creating a two dimensional scan along a first axis. The object beam is also controlled along a second axis that is perpendicular to the first axis. As a result, the LIDAR sensing system generates a horizontal and vertical scan (e.g., a three-dimensional scan) of the external environment.Type: ApplicationFiled: February 18, 2019Publication date: October 17, 2019Inventor: Changho CHONG
-
Publication number: 20190317200Abstract: The present disclosure relates to a sonar device (1) for detection of underwater objects. The sonar device comprises a body element (2) having a cavity. A piezo electric element (3) is comprised within the cavity. A resin filling (6) of the cavity protects the piezo electric element (3) from water at underwater operation. The sonar device further comprises a holder (4) adapted to hold the piezo electric element (3). The holder (4) is arranged to centre and hold the piezo electric element (3) within said body element (2). The holder (4) comprises in its structure a plurality of damping structures (5). A method of manufacturing holder and a sonar device is also disclosed.Type: ApplicationFiled: November 30, 2016Publication date: October 17, 2019Inventor: Oskar VIKLUND
-
Publication number: 20190317201Abstract: The present disclosure relates to a Sonar device (1) for detection of underwater objects. The sonar device (1) comprises a body element (2) comprising a piezo electric element (3). The sonar device further comprises a holder (4) adapted to hold the piezo electric element (3). The holder (4) is arranged to centre the piezo electric element (3) within said body element (2). The holder (4) is arranged such that the piezo electric element (3) is held firmly in place and also provide for that detection can be made omni-directionally. A method for manufacturing a holder (4) and a sonar device (1) is also disclosed.Type: ApplicationFiled: November 30, 2016Publication date: October 17, 2019Inventor: Oskar VIKLUND
-
Publication number: 20190317202Abstract: An ultrasonic sensor, that transmits probe waves which are ultrasonic waves and acquires detection waves including reflected waves which have been reflected from surrounding objects, includes a transmitter/receiver that transmits the probe waves and acquires the detection waves, a detection wave processing section that executes processing for passing a predetermined frequency band which includes the frequency of the probe waves, an amplitude measurement section which measures the amplitude of the detection waves, and a judgement section which judges whether there is adherence of foreign matter on the transmitter/receiver, based on a relationship between a time axis and values of the amplitude of the detection waves during a reverberation interval following the termination of transmitting the probe waves.Type: ApplicationFiled: May 29, 2017Publication date: October 17, 2019Inventors: Mitsuyasu MATSUURA, Taketo HARADA, Tetsuya AOYAMA, Yu KOYAMA, Takuya NOMURA
-
Publication number: 20190317203Abstract: A passive radar comprises a reception antenna for a signal transmitted by a non-cooperative transmitter, the received signal comprising a static contribution related to propagation of the signal transmitted through a multi-path propagation channel and a dynamic contribution related to propagation of echoes of the transmitted signal from a moving target. The passive radar also comprises a reception chain that includes an analogue-digital converter capable of outputting a digitised signal, a moving target detection unit, a digitised signal processing unit configured to determine an estimation of the static contribution during a calibration phase of the passive radar, a transmission chain that can output an analogue signal representative of the estimation of the static contribution, and a directional coupler configured to output the signal received during the calibration phase of the passive radar to the reception chain.Type: ApplicationFiled: April 8, 2019Publication date: October 17, 2019Inventor: Patrick Rosson
-
Publication number: 20190317204Abstract: A method includes identifying, from a reflected radar signal, a plurality of single detections corresponding to object surface spots detected by the radar sensor system, wherein the positions of the single detections in a Range-Doppler-map are deter-mined, wherein at least a region of the Range-Doppler map is divided into a plurality of adjacent evaluation regions separated by separation lines, wherein the separation lines extend parallel to one of the range axis and the Doppler axis. For each evaluation region, at least one selected detection is determined which has, among the detections present in the respective evaluation region, an extremal value with respect to the other axis of the range axis and the Doppler axis, and a boundary of the at least one object is determined based on the selected detections.Type: ApplicationFiled: March 27, 2019Publication date: October 17, 2019Inventors: Tao Zhang, Honghui Yan, Wolfgang Doerr, Alexander Ioffe
-
Publication number: 20190317205Abstract: A method for generating a compact representation of radar data, includes determining at least one data peak within a multi-dimensional representation of radar data; and compressing radar data samples of the multi-dimensional representation within a limited neighborhood around the at least one data peak to generate the compact representation.Type: ApplicationFiled: April 16, 2019Publication date: October 17, 2019Applicant: Infineon Technologies AGInventors: Paul Meissner, Markus Haltmeier, Farhan Bin Khalid, Andre Roger, Johannes Sappl
-
Publication number: 20190317206Abstract: A product tagging system is provided. The product tagging system includes at least one RF backscatter transmitter configured to emit a Radio Frequency (RF) signal on a frequency. The product tagging system further includes a passive RF backscatter tag associated with a product and configured to reflect and frequency shift the RF signal to a different frequency. The product tagging system also includes at least one RF backscatter receiver configured to read the product on the different frequency by detecting a distributed ambient backscatter signal generated by a reflection and frequency shifting of the RF signal by the passive RF backscatter tag.Type: ApplicationFiled: April 11, 2019Publication date: October 17, 2019Inventors: Karthikeyan Sundaresan, Eugene Chai, Sampath Rangarajan
-
Publication number: 20190317207Abstract: An automotive spread MIMO-configured radar system has a plurality of transceiver antenna units for transmitting mutually orthogonal radar waves. Each transceiver antenna unit has a plurality of range gates to indicate a range detected by the transceiver antenna unit. At least one specific transceiver antenna unit (TRx1) is configured to transmit a reference signal received directly by at least one transceiver antenna unit (TRx2) that is separated by an a priori known distance from the specific transceiver antenna unit (TRx1). An evaluation and control unit is configured for reading out the plurality of range gates for the transceiver antenna unit (TRx2), and, based on the read-out range gate that indicates the received reference signal and based on the a priori known distance, for synchronizing the specific transceiver antenna unit (TRx1) and the transceiver antenna unit (TRx2) that received the reference signal and/or for correcting a measured Doppler shift.Type: ApplicationFiled: December 21, 2017Publication date: October 17, 2019Inventors: Udo SCHRODER, Hans-Peter BEISE, Thomas STIFTER
-
Publication number: 20190317208Abstract: A three-dimensional imaging system and method based on rotational scanning is disclosed. The system includes a column-shaped frame with a column-shaped side; a transceiving antenna array element arranged on the column-shaped side that transmits a micro-wave detection signal to a detected object located in the column-shaped frame and receives an echo signal reflected back from the detected object; a signal transceiving device that generates the micro-wave detection signal and sends same to the transceiving antenna array element and processes the echo signal; a rotation control device that controls rotational movement of the transceiving antenna array element so that the transceiving antenna array element transmits the micro-wave detection signal to the detected object in a plurality of angles; and a positioning trigger fixedly arranged on the column-shaped frame and configured to trigger the signal transceiving device when the transceiving antenna array element arrives at a position of the positioning trigger.Type: ApplicationFiled: November 16, 2017Publication date: October 17, 2019Inventors: Chunchao QI, Aixian WANG, Hanjiang CHEN, Jiaqi RUAN, Juncheng LIU, Qian XIAO, Wei CHEN, Shukai ZHAO
-
Publication number: 20190317209Abstract: The invention relates to a tug for maneuvering a vessel, comprising at least one proximity sensor in a contact area, the proximity sensor being configured to detect a distance between the contact area and the vessel, and a tug controller unit controlling an approach of the tug towards the vessel based on the detected distance between the contact area and the vessel.Type: ApplicationFiled: June 30, 2016Publication date: October 17, 2019Inventor: Oskar Levander
-
Publication number: 20190317210Abstract: An acoustic phased array antenna system comprising a plurality of omnidirectional receiving elements for addressing close-in fields and a plurality of non-omnidirectional receiving elements for addressing remote fields with the combined elements used to extend the maximum range of the antenna system. The non-omnidirectional receiving elements can be formed by adding focusing structures such as cylindrical or oval lenses in the receiving path of omnidirectional receiving elements. Antennas with a plurality of isotropic radiating and a plurality of non-isotropic radiating elements can be utilized for sonar and ultrasound systems. An acoustic phased array antenna system comprising a first plurality of receiving elements with a first field of view and a second plurality of receiving elements with a second field of view that is at least 50% narrower. An acoustic phased array with a plurality of isotropic radiators and a plurality of non-isotropic radiators to extend the range of the system.Type: ApplicationFiled: June 3, 2019Publication date: October 17, 2019Inventor: Raymond Albert Fillion
-
Publication number: 20190317211Abstract: In a sonar system using a large array multielement sonar detector to detect reflected signals sent out by a sonar ping generator, the sent out sonar ping generator sends out varying frequency sonar signals during each ping, where the frequency is neither monotonically increasing or monotonically decreasing.Type: ApplicationFiled: April 14, 2018Publication date: October 17, 2019Applicant: Coda Octopus Group, Inc.Inventor: Martyn Sloss
-
Publication number: 20190317212Abstract: A range camera operable to provide a range image of a scene and a picture of the scene, based on non-visible light and visible light registered for features in the scene on a same photosensor.Type: ApplicationFiled: April 11, 2018Publication date: October 17, 2019Inventors: Zhanping Xu, Abdelrehim Ahmed
-
Publication number: 20190317213Abstract: A distance measurement processing device according to an embodiment includes an information acquisition circuit and a reliability-degree generation circuit. The information acquisition circuit acquires a two-dimensional distance image having a measured distance as a pixel value and signal information concerning a signal value corresponding to the measured distance image. The reliability-degree generation circuit sets, for each of the pixels of the two-dimensional distance image, each of the pixels as a center pixel and generates a reliability degree based on information concerning the pixels having distance values equal to or smaller than a predetermined value from a distance value of the center pixel among the pixels contiguous within a predetermined range from the center pixel and a signal value corresponding to the center pixel.Type: ApplicationFiled: March 13, 2019Publication date: October 17, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Hiroshi Kubota, Nobu Matsumoto
-
Publication number: 20190317214Abstract: A light detection and ranging (lidar) device includes: a lower base; an upper base; a laser emitting unit for emitting a laser in a form of a point light source; a nodding mirror for transforming the laser in the form of the point light source to a line beam pattern which is perpendicular to the lower base, wherein the nodding mirror reflects the laser emitted from the laser emitting unit; a polygonal mirror for transforming the line beam pattern to a plane beam pattern and receiving a laser reflected from an object; and a sensor unit for receiving the laser reflected from the object via the polygonal mirror.Type: ApplicationFiled: June 27, 2019Publication date: October 17, 2019Inventors: Ji Seong JEONG, Jun Hwan JANG, Dong Kyu KIM, Sung Ui HWANG, Gyeong Hwan SHIN, Bum Sik WON
-
Publication number: 20190317215Abstract: A technique for efficiently performing operations for identifying a current position in a method of measuring electromagnetic waves is provided. A measuring device includes a measurement planned position data receiving unit 302, a current position data receiving unit 303, and a GUI controlling unit 306. The measurement planned position data receiving unit 302 receives data of measurement planned positions at each of which electromagnetic waves are measured. The current position data receiving unit 303 receives data of a current position of an electromagnetic wave measuring device. The GUI controlling unit 306 controls displaying of a relationship between the current position of the electromagnetic wave measuring device and the measurement planned position on a display based on data of the measurement planned positions and data of the current position.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Applicant: TOPCON CORPORATIONInventors: Hiroki NAGASHIMA, Atsushi SHOJI, Akira OIDE