Patents Issued in April 2, 2020
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Publication number: 20200103216Abstract: The present disclosure provides an OCT imaging system to reduce or eliminate frequency-domain aliasing artifacts. The frequency is shifted using a carrier frequency to define a sampling range substantially centered on the carrier frequency. An image of the sample is generated from a displayed imaging range that consists of a subset of the frequencies within the sampling range. Furthermore, the system may be configured to determine the carrier frequency such that a Nyquist frequency corresponding to the shifted frequency is extended beyond either an upper or a lower bound of an OCT quality envelope corresponding to the first portion of light. Additionally, the carrier frequency may be determined such that a lower bound of the OCT quality envelope is greater or less than a zero-frequency DC limit.Type: ApplicationFiled: December 2, 2019Publication date: April 2, 2020Inventors: Eman NAMATI, Muhammad AL-QAISI, Matthew A. SINCLAIR, Benedikt GRAF, David VADER
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Publication number: 20200103217Abstract: A system for use in inspection of a sample is described, the system comprises: an illumination unit configured to provide coherent illumination comprising a plurality of at least two wavelengths and direct said coherent illumination onto an inspection region of a sample; and a collection unit comprising at least one detector array and configured for collecting light returning from said inspection region and generate data indicative of speckle patterns in said plurality of at least two wavelengths at a predetermined sampling rate, wherein said illumination unit is configured for directing light components of said at least two wavelengths toward corresponding two or more segments of said inspection region, and wherein said data indicative of speckle patterns corresponding with said two or more segments.Type: ApplicationFiled: November 21, 2017Publication date: April 2, 2020Inventors: Zeev ZALEVSKY, Javier GARCIA
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Publication number: 20200103218Abstract: Various embodiments disclose a dimensioner apparatus including a projector configured to project structured light in a field of view of the dimensioner apparatus, a first image capturing device configured to capture a first structured light image of the field of view, and a processor configured to analyze the first structured light image to identify a hole region in the first structured light image. The hole region in the first structured light image indicates a presence of a structured light absorbing platform that absorbs the projected structured light. Further, the processor is configured to operate the dimensioner apparatus in a two-dimensional (2-D) mode based on the identification of the hole region. The dimensioner apparatus, in the 2-D mode, is configured to determine one or more dimensions of a 2-D object placed on the absorbing platform.Type: ApplicationFiled: September 28, 2018Publication date: April 2, 2020Inventors: Thierry Lamboley, Frederic Bordenave, Thomas Kasprzyk
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Publication number: 20200103219Abstract: A measurement system includes a measuring instrument, a measurement control device, and a ranging device. The measuring instrument includes a base that is to be fixed to a tool shaft of a machining apparatus, a first rod and a second rod that are connected to the base, and a first measuring head and a second measuring head that are fixed to the respective rods and irradiate an object to be measured with measurement light. The measurement control device acquires a distance I between the first measuring head and an inner peripheral surface of the hole of the object to be measured, and a distance O between the second measuring head and an outer peripheral surface of the object from the ranging device, and calculates the thickness of the object on the basis of the distance I, the distance O, and a distance between the first and second measuring heads.Type: ApplicationFiled: August 29, 2019Publication date: April 2, 2020Inventors: Masahiro WATANABE, Koji UTSUMI, Shigeyoshi FUJIHARA, Yusuke OMURO, Shinji KAYAMA
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Publication number: 20200103220Abstract: A thickness measuring apparatus for measuring a thickness of a wafer includes a light source emitting light having a transmission wavelength region to the wafer, a focusing unit applying the light emitted from the light source to the wafer held on a chuck table, an optical branching section branching the light reflected on the wafer held on the chuck table, a diffraction grating diffracting the reflected light branched by the optical branching section to obtain diffracted light of different wavelengths, an image sensor detecting an intensity of the diffracted light obtained by the diffraction grating to produce a spectral interference waveform, and a computing unit computing the spectral interference waveform produced by the image sensor to output thickness information.Type: ApplicationFiled: September 24, 2019Publication date: April 2, 2020Inventors: Nobuyuki KIMURA, Keiji NOMARU
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Publication number: 20200103221Abstract: A method for measuring the height of a forest of carbon nanotubes, containing: a) providing a substrate having a growth area containing at least one measurement zone containing a growth zone and a sterile zone, the growth zone being defined by a segment of the substrate containing a growth catalyst of the nanotubes, and b) growing catalytically by CVD the forest of nanotubes in the growth zone, wherein, at least in step b) contains: irradiating the measurement zone with an incident light beam; measuring, at various times, the intensity of the beam reflected by the measurement zone; and determining the height of the forest of nanotubes from the reflected-beam intensities measured at the various times.Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1Inventors: Raphael RAMOS, Lorie DAVID, Jean DIJON
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Publication number: 20200103222Abstract: A device for detecting and determining deformations on a structure surface containing diffractive stress indicator elements comprises a portable computing device having a camera, a processor, a memory, and a display screen, and a casing for conformably enclosing the portable computing device. In one embodiment, the casing includes an elongated light source, a first window positioned to provide access to the display screen of the portable computing device, and a second window positioned to allowing the light source to emit a band of light outside of the casing, and a port hole aligned with the camera of the portable computing device. When the device is positioned proximate to the structure, the elongated light source emits a band of illumination onto the diffractive stress indicator elements, the diffractive elements diffract the emitted radiation and the camera of the portable computing device receives at least a portion of the diffracted radiation.Type: ApplicationFiled: October 2, 2018Publication date: April 2, 2020Inventors: Enrico Bovero, Hawraa Bin Saad, Timothy Briggs, Daniel Linehan
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Publication number: 20200103223Abstract: A system and method for detecting and determining the location of (i) defects in railroad track rails and (ii) the presence of cars, trains or vehicles on the rails. A strain sensitive fiber optic cable is continuously bonded to each section of rail, with the cables of adjacent rails being interconnected by non-strain-sensitive fiber optic cable. A detection system provides an optical backscatter sensing function and an optical time domain reflectometry analysis and distance determining function to determine the nature and location of rail anomalies and vehicle presence on the rails.Type: ApplicationFiled: September 6, 2018Publication date: April 2, 2020Inventor: Frank J. Smith
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SYSTEM AND METHOD FOR SUPER-RESOLUTION FULL-FIELD OPTICAL METROLOGY ON THE FAR-FIELD NANOMETRE SCALE
Publication number: 20200103224Abstract: A system of super-resolution full-field optical metrology for delivering information on the surface topography of a sample or object on the far-field nanometre scale, including a light source, an interferometer (1a, 1b, 1c, 1d) including a reference arm incorporating a micro bead and a mirror, an object arm including a micro bead similar to the micro bead and arranged in immediate proximity to the surface of the object, receiving structure for capturing the interference figures, and a processor for processing these interference figures in such a way as to produce surface topography information. The light source is temporally coherent or partially coherent. The interferometer and the processor for processing interference figures are designed to reconstruct the surface of the object by phase shifting interferometry.Type: ApplicationFiled: April 11, 2018Publication date: April 2, 2020Inventors: Paul MONTGOMERY, Sylvain LECLER, Stéphane PERRIN, Audrey LEONG-HOI -
Publication number: 20200103225Abstract: A sensor head has: a sensor head main body which has disposed therein the stepping motor; a holder which has disposed on an upper surface thereof a plurality of crystal oscillators and which is driven for rotation by the stepping motor; and a mask body which is mounted on the sensor head main body so as to cover an upper surface of the holder and which has opened therein a film-forming window faced by one of the crystal oscillators. The sensor head also has: a first electrode fixed to that portion of the sensor head main body which is located right under the film-forming window; and second electrodes which are in electrical conduction with each of the crystal oscillators and which are disposed to protrude under a lower surface of the holder.Type: ApplicationFiled: March 6, 2018Publication date: April 2, 2020Applicant: ULVAC, INC.Inventors: Yousuke Oguma, Akihiro Maeda, Yuki Kaida, Manabu Kotaka, Kou Okamura
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Publication number: 20200103226Abstract: A height measuring device includes a height measuring sleeve and a distance measuring mechanism. The height measuring sleeve is vertically disposed on the equipment to be measured and includes at least two sleeves which are sleeved and matched with each other. The distance measuring mechanism is provided at bottom or top of the height measuring sleeve. When the lifting mechanism drives the main body rise or fall, the height measuring sleeve extends or retracts as the main body or the lifting mechanism, so that a height information of the main body or the lifting mechanism is obtained according to a height information of the height measuring sleeve measured by the distance measuring mechanism.Type: ApplicationFiled: June 13, 2018Publication date: April 2, 2020Inventors: Jianming Huang, Hao He, Wei Xiang, Jie Zhang, Jifang Nie
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Publication number: 20200103227Abstract: A method of estimating an internal state of a thermal component of the invention includes a measurement step of measuring state quantity of the thermal component, an analysis-condition creation step of creating an analysis condition, a data assimilation step of obtaining probability distribution of each temperature distribution and displacement distribution through data assimilation calculation using a contraction model, a measured value, and the analysis condition, a post-processing step of obtaining the internal state of the thermal component, an analysis step of obtaining solution vectors of the temperature distribution and the displacement distribution, and a contraction-model construction step of extracting a subspace characterizing a linear space of a vector set and constructing a contraction model using the subspace, wherein, in the data assimilation step, the probability distribution is calculated using the contraction model, and, in the analysis step and the contraction-model construction step, the cType: ApplicationFiled: August 27, 2019Publication date: April 2, 2020Inventor: Hiroshi ITO
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Publication number: 20200103228Abstract: There are provided systems and methods for providing a barometric altitude monitor that assist pilots by providing alerts when a barometric altitude of the ownship aircraft is may be incorrect. Various embodiments of the present invention determine whether significant errors in barometric altitude occur though comparisons to alternate altitude information sources. Through aspects of the present invention, errors arising from manual entry of barometric pressure information by a pilot may be identified before safety issues arise, thus helping to prevent events such as controlled flight into terrain (CFIT).Type: ApplicationFiled: October 2, 2019Publication date: April 2, 2020Inventors: Richard Darrell Ridenour, Charles Castel Manberg
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Publication number: 20200103229Abstract: A level including a rotating level vial is provided. The level includes a locking mechanism that utilizes an actuator that engages a brake to lock the rotating vial into the desired position. The locking mechanism may include a spring element that is compressed by the actuator during locking, and the spring element in turn pushes against the brake facilitating control of the normal force that the brake applies to the vial surround of the rotating vial. The rotating level vial may engage the level body such that the rotating level vial is permitted to rotate 360 degrees in both the clockwise and counter clockwise directions.Type: ApplicationFiled: December 2, 2019Publication date: April 2, 2020Inventors: Joseph William Burge, Bryant Deakins, Michael Wyatt
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Publication number: 20200103230Abstract: A ball rotation amount measurement system which includes a magnetic sensor fixed to a ball to measure geomagnetism in at least one axis direction, and a computation unit configured to compute the rotation amount of the ball using data of a large number of the geomagnetism time-sequentially acquired by the magnetic sensor. The computation unit includes a difference data calculation unit configured to calculate a difference between two of the time-sequential geomagnetic data to thereby time-sequentially obtain a large number of difference data, a difference waveform calculation unit configured to determine a difference waveform that represents a time variation waveform of a large number of the difference data, and a rotation amount calculation unit configured to calculate the rotation amount of the ball, based on information of zero cross points at which the difference waveform crosses a straight line indicating zero-difference within a predetermined period.Type: ApplicationFiled: February 23, 2018Publication date: April 2, 2020Applicant: AICHI STEEL CORPORATIONInventors: Michiharu YAMAMOTO, Kazuo URAKAWA, Masaki MORI
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Publication number: 20200103231Abstract: The present disclosure discloses an intelligent device navigation method and navigation system. The method comprises the following. Construct a plurality of antennas on a network card in the intelligent device into a linear antenna array. By using the linear antenna array, acquire channel state information of a wireless signal, and estimate an angle of arrival (AoA) and a time of flight (ToF) between the wireless signal transmitting device and the intelligent device. Measure inertial parameters of the intelligent device. Perform data fusion of the AoAs, the ToFs and the inertial parameters to estimate a state variable of the intelligent device. Adjust a motion state of the intelligent device with reference to the state variable, thereby achieving autonomous navigation of the intelligent device. The disclosure can estimate the state of the intelligent device by using wireless signals ubiquitous in the surrounding environment in a GPS unreliable environment.Type: ApplicationFiled: September 23, 2019Publication date: April 2, 2020Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Wei Wang, Shengkai Zhang, Tao Jiang
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Publication number: 20200103232Abstract: Various embodiments disclosed herein enable a mobile device to accurately locate where the mobile device is located indoors by measuring geomagnetic fields, and tracing relative changes in the magnetic fields as the mobile device is moved. The relative changes can be compared to a fingerprint signal map, and a trace of a portion of the path can be determined by matching the relative changes in the magnetic fields to relative changes in the fingerprint signal map. A collection of the path portions can then be connected by determining a shortest path that connects each of the path portions. In another embodiment, a step counter can also be used to constrain possible locations, and fuse the geomagnetic field and step counter information for joint indoor localization.Type: ApplicationFiled: February 5, 2018Publication date: April 2, 2020Inventors: Shueng Han Gary CHAN, Hang WU
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Publication number: 20200103233Abstract: A system for updating a distributed navigation map for a motor vehicle includes one or more sensors that evaluates and characterizes a surrounding around the motor vehicle and a discrepancy detector that identifies differences in the surrounding compared to a known navigation map based on information received from the one or more sensors. The differences are transmitted to a blockchain map network.Type: ApplicationFiled: October 1, 2018Publication date: April 2, 2020Inventor: Donal B. McErlean
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Publication number: 20200103234Abstract: The measurement device acquires positional information of a measurement object stored in a storage unit, and acquires point group information of points indicating a surrounding feature acquired by an external sensor. Then, the measurement device calculates the positional information indicating a predetermined position of the measurement object existing in a predetermined range based on the point group information existing in the predetermined range, and outputs its reliability.Type: ApplicationFiled: May 17, 2018Publication date: April 2, 2020Inventors: Kazufumi FUJIYA, Tomoaki IWAI, Masahiro KATO
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Publication number: 20200103235Abstract: A system for visual awareness confirmation may include an image capture device, a global positioning system, a processor, and an input/output device. The image capture device may capture an image of an operating environment through which a vehicle is travelling. The GPS may determine an associated position of the vehicle and an orientation of the image capture device, and associate the position of the vehicle with the image captured by the image capture device. The processor may identify a feature of the operating environment and formulate a question related to the feature. The I/O device may present the question to an occupant of the vehicle and receive a response to the question from the occupant of the vehicle. The processor may cross-reference data associated with the feature and the response and update an object recognition database based on the cross-referencing.Type: ApplicationFiled: September 27, 2018Publication date: April 2, 2020Inventor: Dennis Patrick Clark
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Publication number: 20200103236Abstract: Techniques are discussed for modifying map elements associated with map data. Map data can include three-dimensional data (e.g., LIDAR data) representing an environment, while map elements can be associated with the map data to identify locations and semantic information associated with an environment, such as regions that correspond to driving lanes or crosswalks. A trajectory associated with the map data can be updated, such as when aligning one or more trajectories in response to a loop closure, updated calibration, etc. The transformation between a trajectory and an updated trajectory can be applied to map elements to warp the map elements so that they correspond to the updated map data, thereby providing automatic and accurate techniques for updating map elements associated with map data.Type: ApplicationFiled: September 28, 2018Publication date: April 2, 2020Inventors: Derek Adams, Patrick Blaes, Aleksandrs Ecins, Jesse Sol Levinson, Daniel Miller
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Publication number: 20200103237Abstract: An apparatus comprising a processor and memory including computer program code, the memory and computer program code configured to, with the processor, enable the apparatus at least to: generate, in respect of a road intersection, grouped probe data using probe data derived from probed vehicular movements through the road intersection, wherein the grouped probe data is generated by grouping together probe data comprising vehicle trajectories which have respective common heading angles at points of entry to and exit from the road intersection; and provide the grouped probe data for use in lane-level mapping of the road intersection.Type: ApplicationFiled: December 3, 2019Publication date: April 2, 2020Inventors: Xiang MA, Xin CHEN, Vlad ZHUKOV
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Publication number: 20200103238Abstract: Methods, systems and computer program products for dynamic routing are provided. Aspects include receiving a plurality of stops from a user, wherein the plurality of stops includes at least one fixed location and at least one variable location and obtaining an address for at least one of the plurality of stops. Aspects also include obtaining a routing goal associated with the user and generating a route, including each of the plurality of stops, based on the routing goal. Aspects further include monitoring a movement of the user and updating the route based at least in part on the movement of the user.Type: ApplicationFiled: September 27, 2018Publication date: April 2, 2020Inventors: DANIELLE JUDKA, PHILIP SICONOLFI, WEON W. YUAN
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Publication number: 20200103239Abstract: Self-driving vehicles have unlimited potential to learn and predict human behavior and perform actions accordingly. Several embodiments described herein include a method of using a vehicle management system to identify a high traffic area and move a self-driving vehicle to meet a rider. Methods also include receiving, by the vehicle management system, a primary pick-up location to meet the rider and detecting, by an antenna of the self-driving vehicle, a number of remote computing devices adjacent the primary pick-up location. Additionally, methods may include determining, by at least one of the vehicle management system and a remote computing device associated with the rider, that the number of remote computing devices exceeds a predetermined remote computing device threshold.Type: ApplicationFiled: May 31, 2019Publication date: April 2, 2020Inventors: Wesley Edward Schwie, Eric John Wengreen
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Publication number: 20200103240Abstract: A running route determination device includes a processing unit configured to acquire first running route data for a first vehicle and second running route data for a second vehicle, search for a transfer place such that an efficiency condition is satisfied, while comparing the first running route data and the second running route data, and search for and output first modified running route data and second modified running route data. The transfer place is a place where a transport object transported by one of the first vehicle and the second vehicle transfers to the other. The first modified running route data results from modifying the first running route data such that the first vehicle goes through the transfer place, and the second modified running route data results from modifying the second running route data such that the second vehicle goes through the transfer place.Type: ApplicationFiled: July 30, 2019Publication date: April 2, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Rie MURAI
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Publication number: 20200103241Abstract: An automobile operation control system is provided, which provides a service of a fixed-time and fixed-route operation and an on-demand operation using an operation vehicle to multiple users who reside in a given geographical area. The system includes an operation control device managed by an operation administrator and comprising a processor. The device is configured to receive a boarding reservation for the the on-demand operation from a first user of the multiple users. The devices suspends, in response to an acceptance of the reservation for the on-demand operation of which a second operation time window is within a given threshold from a first operation time window of the fixed-time fixed-route operation, the fixed-time and fixed-route operation scheduled to be operated in the first operation time window, when a given condition is satisfied.Type: ApplicationFiled: September 18, 2019Publication date: April 2, 2020Inventors: Shinichiro Yoshida, Masashi Okamura, Yuki Okada, Kazuma Nishimura, Toshio Kamihachi
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Publication number: 20200103242Abstract: Embodiments provide techniques, including systems and methods, for determining alternate request locations based on a pickup location score (PLoS) of a location associated with transportation request information. A pickup location score may include an objective quantitative measurement of the fitness of a location for a pickup by a provider. For example, embodiments may receive transport request information associated with a requestor computing device including a request location, determine a modified request location based at least on a location score for each of one or more alternate request locations that are within a threshold distance of the request location, and send modified transport request information associated with the modified request location and the first requestor computing device to a provider computing device associated with a matched provider for the transport request information.Type: ApplicationFiled: December 2, 2019Publication date: April 2, 2020Inventors: Ricky Chachra, Thaddeus Insuk Hwang, Snir Kodesh
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Publication number: 20200103243Abstract: Transportation systems have artificial intelligence including neural networks for recognition and classification of objects and behavior including natural language processing and computer vision systems. The transportation systems involve sets of complex chemical processes, mechanical systems, and interactions with behaviors of operators. System-level interactions and behaviors are classified, predicted and optimized using neural networks and other artificial intelligence systems through selective deployment, as well as hybrids and combinations of the artificial intelligence systems, neural networks, expert systems, cognitive systems, genetic algorithms and deep learning.Type: ApplicationFiled: November 25, 2019Publication date: April 2, 2020Inventor: Charles Cella
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Publication number: 20200103244Abstract: Transportation systems have artificial intelligence including neural networks for recognition and classification of objects and behavior including natural language processing and computer vision systems. The transportation systems involve sets of complex chemical processes, mechanical systems, and interactions with behaviors of operators. System-level interactions and behaviors are classified, predicted and optimized using neural networks and other artificial intelligence systems through selective deployment, as well as hybrids and combinations of the artificial intelligence systems, neural networks, expert systems, cognitive systems, genetic algorithms and deep learning.Type: ApplicationFiled: November 25, 2019Publication date: April 2, 2020Inventor: Charles Cella
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Publication number: 20200103245Abstract: A navigation system and various methods of using the system are described herein. Search query results are refined by the system and are prioritized based at least in part upon sub-search categories selected during the searching process. Sub-searches can be represented by graphical icons displayed on the user interface.Type: ApplicationFiled: December 2, 2019Publication date: April 2, 2020Inventors: Francis Bourque, Sanjay Gupta, Mark Hansen
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Publication number: 20200103246Abstract: A system includes a GPS module, user interface module, database and routing engine. To find nearby POIs in one embodiment the routing engine identifies POIs in the database located within a threshold distance from the planned route in Euclidean distance. The routing engine filters the results by exploring the road network to determine whether each of the POIs is within the threshold distance of the route in driving distance. The filtering may include exploring outward from the POI, until all roads within the threshold distance are explored or the route is reached; alternatively, distance to the POIs is checked by exploring outward from the route until all roads within the threshold distance of the route have been exposed. For those POIs reached in the exploration, the nearest point on the route and the distance to that point are known. Similar searches are performed based on driving time rather than distance.Type: ApplicationFiled: December 4, 2019Publication date: April 2, 2020Inventors: Richard F. Poppen, Weidong Tang, Daniel R. Brownstone
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Publication number: 20200103247Abstract: A system and method may generate a more realistic augmented reality (AR) overlay by generating a segmentation image and blending it with one or more other images. The system may generate a segmentation image based on an input image. The segmentation image may be blended with an AR path overlay image to generate an object-masked AR path overlay image. The object-masked AR path overlay image may be blended with the input image to generate an output image.Type: ApplicationFiled: September 12, 2019Publication date: April 2, 2020Inventors: Chen-Ping Yu, Xinyu Li, Aaditya Chandrasekhar
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Publication number: 20200103248Abstract: A display system includes: a display that displays an image; and a display controller that causes the display to display a first image resembling roads around a vehicle and a second image resembling a recommended lane determined on the basis of a route to a destination set by the vehicle among the roads around the vehicle. The display controller causes the display to display the second image and a third image guiding a course of the vehicle when the vehicle has reached a second position located a predetermined distance before a first position at which the vehicle has to make a turn in the route to the destination.Type: ApplicationFiled: September 19, 2019Publication date: April 2, 2020Inventors: Masaya Ikeda, Kenji Sugiyama, Yoshitaka Mimura, Takashi Watanabe, Taichi Sogo, Masayuki Takahashi
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Publication number: 20200103249Abstract: Embodiments of the present disclosure disclose a method for calibrating a relative pose, a device, and a medium. The method includes: obtaining first point cloud data of a scene collected by the laser radar in an automatic driving mobile carrier and first pose data collected by the navigation positioning system in the automatic driving mobile carrier; and determining the relative pose between the laser radar and the navigation positioning system based on the first point cloud data, the first pose data, second point cloud data pre-collected by a laser scanner in the scene and second pose data pre-collected by a positioning device in the scene.Type: ApplicationFiled: September 25, 2019Publication date: April 2, 2020Inventors: Xun ZHOU, Yuanfan XIE, Shirui LI, Liang WANG
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Publication number: 20200103250Abstract: A sensor system for determining at least one rotational characteristic of an element rotating about at least one axis of rotation; the sensor system including at least one signal-generating wheel connectable to the rotating element. The signal-generating wheel has a signal-generating wheel profile. The sensor system further includes at least one inductive position sensor; the inductive position sensor having at least one coil set-up that includes at least one operating coil and at least one receiving coil. In addition, the sensor system includes at least one phase detector; the phase detector including at least one magnetic field generator and at least one magnetic sensor element.Type: ApplicationFiled: October 23, 2017Publication date: April 2, 2020Inventors: Andre Yashan, Dayo Oshinubi, Fabian Utermoehlen, Stefan Leidich
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Publication number: 20200103251Abstract: A linear positioning system including a pair of magnets disposed adjacent one another and defining a gap therebetween, the magnets having common poles facing one another, and first, second, and third magnetic sensors disposed within a housing and oriented orthogonally with respect to one another for detecting linear motion along X, Z, and Y axes of a Cartesian coordinate system, respectively, the housing being movable along an axis passing through the gap.Type: ApplicationFiled: September 27, 2019Publication date: April 2, 2020Applicant: Littelfuse, Inc.Inventors: Seong-Jae Lee, Stephen E. Knapp
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Publication number: 20200103252Abstract: Magnetic sensing technology can be used to detect changes, or disturbances (e.g., changes in magnetic field strength), in magnetic fields and can be used to measure the precise location/positioning of an electronic device in proximity to a magnetic source. In order to avoid interference by earth's static magnetic field, a modulated magnetic field can be used for magnetic based proximity sensing. Received modulated magnetic field signals can be demodulated to determine a received magnetic field strength. A drive current of a magnetic transmitter coil can be varied to maintain the detected magnetic field strength at a target value or within a desirable range. The drive current can also be varied to remain below a burnout current level that can cause damage to the transmitter coil.Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Inventors: Savas Gider, Jian Guo, John Greer Elias
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Publication number: 20200103253Abstract: In a rotation speed detecting apparatus of an internal combustion engine having a rotor supported by an end part of the crankshaft, a pulser ring that has a detected body composed of recess-projection teeth and rotates integrally with the rotor, and a detector that detects the rotation speed of the crankshaft by detecting the detected body, the detected body has a detected surface opposed to the detector, and the detected surface is inclined in such a manner as to be located closer to the outside of the crankshaft in the axial direction of the crankshaft as getting more apart from an axis line of the crankshaft in the radial direction. In the detector, an axis line of the detector is inclined with respect to the axis line of the crankshaft in such a manner that the detector is opposed to the detected surface.Type: ApplicationFiled: August 22, 2019Publication date: April 2, 2020Inventors: Shota Hashimoto, Hidemichi Mori
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Publication number: 20200103254Abstract: A sensor device comprises a sensor unit for generating a signal indicative of a physical quantity. The device comprises a processing unit for receiving the signal, in which the processing unit comprises a storage memory for storing data derived from the signal as provided by the sensor unit at at least two points in time. The device comprises a bus interface for communicating with an electronic control unit via a digital communication bus. When a read command is received from the electronic control unit, an estimate of the physical quantity is sent in response to the electronic control unit. The processing unit comprises an estimator for calculating the estimate at a reference point in time based on the data stored in the storage memory, in which the reference point in time differs from the point in time at which the read command is received by substantially a predetermined offset.Type: ApplicationFiled: September 27, 2019Publication date: April 2, 2020Inventors: Mathieu POEZART, Zsombor LAZAR, Antonius DUISTERS
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Publication number: 20200103255Abstract: A rotary encoder includes: a rotary disk with an angle code; a light source; a detector reading the angle code; and a processing unit acquiring a reading value. The light source includes at least two light-emitting elements spaced from each other. Every time the rotary disk is rotated by a predetermined angle, where an arbitrary angle from a rotation angle ? within a reading range on the detector is provided as ?, the processing unit acquires reading values fI(?+?) and fI(?) with a first light-emitting element and a reading value fII(?+?) with a second light-emitting element, to calculate a reading value error due to deflection at an angle ?+? based on the difference between the reading values fII(?+?) and fI(?+?), to obtain a difference gI(?, ?) between the reading values fI(?+?) and fI(?) such that the error is reflected, and to self-calibrate based on a change in the difference gI(?, ?).Type: ApplicationFiled: September 11, 2019Publication date: April 2, 2020Inventor: Satoshi YANOBE
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Publication number: 20200103256Abstract: The present invention relates to a method of fabricating a nanowire connected to an optical fiber, the method comprising the steps of: a) filling a micropipette with a material solution to form a nanowire; b) coaxially aligning the micropipette with the optical fiber at one end of the optical fiber such that a longitudinal axis of the optical fiber and a longitudinal axis of the micropipette are aligned in a line; c) forming a meniscus of the material solution to form the nanowire in the coaxially aligned state; and d) fabricating the nanowire by evaporating a solvent from the material solution to form the nanowire while lifting the micropipette in a state in which the meniscus is formed, in a direction away from the optical fiber. The method further comprises a step of a step of controlling a shape of the distal end of the nanowire by irradiating a laser to the nanowire fabricated.Type: ApplicationFiled: November 17, 2017Publication date: April 2, 2020Inventors: Chong Cook KIM, Jung Ho JE, Nam Ho KIM, Jun Ho LEE
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Publication number: 20200103257Abstract: A rotary encoder includes a rotor, a stator, and a casting compound. The casting compound has a first surface facing the stator. The first surface has a first predetermined shape and is fixed in relation to the stator. The casting compound has a second surface facing away from the stator, the second surface having a second predetermined shape.Type: ApplicationFiled: September 27, 2019Publication date: April 2, 2020Inventors: Richard ARNSTEIN, Per ANDRÉASON
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Publication number: 20200103258Abstract: An optical fiber sensor device includes a control section configured to compute a physical quantity in an optical fiber installed at plural measurement locations based on intensity of scattered light received, and to compute an average of the computed physical quantity for the optical fiber. The control section is configured to compute the average of the physical quantity based on the computed physical quantity and on a length of the optical fiber. A length of the optical fiber installed at the measurement location is increased as a distance between a light source and the respective measurement location increases.Type: ApplicationFiled: August 23, 2019Publication date: April 2, 2020Applicant: Oki Electric Industry Co., Ltd.Inventors: Hideyuki IWAMURA, Tokuo YAMAGUCHI
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Publication number: 20200103259Abstract: An empirical data management system (EDMS), such as an electronic laboratory notebook (ELN) system, includes an application server running an EDMS server application, a data storage system containing data in communication with the application server, and an environmental sensor unit in communication with the application server. The data comprises environmental data received from the environmental sensor unit.Type: ApplicationFiled: October 1, 2019Publication date: April 2, 2020Applicant: Elemental Machines, Inc.Inventors: Ian Harding, Sridhar Iyengar
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Publication number: 20200103260Abstract: A system for non-intrusively measuring process fluid pressure within a process fluid conduit is provided. The system includes a measurement bracket configured to couple to an external surface of the process fluid conduit. The measurement bracket generates a variable gap based on deformation of the process fluid conduit in response to process fluid pressure therein. A gap measurement system is coupled to the measurement bracket and provides an electrical signal based on a measurement of the variable gap. A controller is coupled to the gap measurement system and is configured to calculate and provide a process fluid pressure output based on the electrical signal and information relative to the process fluid conduit.Type: ApplicationFiled: September 28, 2018Publication date: April 2, 2020Inventor: Charles R. Willcox
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Publication number: 20200103261Abstract: A magnetic flowmeter assembly is provided having a tubular body, e.g, formed of plastic material, having opposing open ends and defining a fluid flow path therebetween along a longitudinal axis (Ax). A pair of coil assemblies is coupled to the tubular body in an intermediate region thereof. The pair of coil assemblies is each disposed external to the tubular body on opposing sides of the body aligned along an axis (Az), to generate a magnetic field within the fluid flow path of the tubular body. A pair of measuring electrodes is attached to the tubular body. The pair of electrodes is coupled to a corresponding aperture of the plurality of apertures to be in electrical communication with the fluid with the flow path. The pair of electrodes are aligned along an axis (Ay) orthogonal to the longitudinal axis (Ax) and orthogonal to the axis (Az).Type: ApplicationFiled: September 28, 2018Publication date: April 2, 2020Applicant: Georg Fischer Signet, LLCInventors: Michael Smith, Paxton Gross, Calin Ciobanu, Kevin Franks
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Publication number: 20200103262Abstract: A flow meter includes a pair of ultrasonic transducers. Each transducer includes a housing, a piezoelectric crystal disposed within the housing, and a mini-horn array coupled to the housing. The mini-horn array, which may be formed via a 3D printing technique, includes an opening-free enclosure, a closed cavity inside the enclosure, and a plurality of horns enclosed within the closed cavity. The horns include a horn base portion adjacent to a proximal end surface of the cavity and a horn neck portion that extends from the base portion in a direction away from the piezoelectric crystal and towards a distal end surface of the cavity. The horn neck portions are separated by spaces within the cavity, wherein the spaces between the horn necks may be filled with powder.Type: ApplicationFiled: October 1, 2018Publication date: April 2, 2020Inventors: Henry Charles Straub, Jr., Alex Mezheritsky, Kerry Dwayne Groeschel
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Publication number: 20200103263Abstract: A measuring device for determining a fluid variable has a control device, a measuring tube, and first and second ultrasound transducers on the measuring tube. The ultrasound transducer(s) are driven to excite a wave through a side wall of the measuring tube and to excite compression oscillations of the fluid. The other ultrasound transducer records the oscillations to determine measurement data, and the fluid variable is determined based on the measurement data. Either the first and/or the second ultrasound transducer has an oscillation element coupled in a plurality of separated contact regions of the oscillation element to the measuring tube or to a carrier structure (19, 32, or the first and/or the second ultrasound transducer respectively have a plurality of oscillation elements coupled in separate contact regions of the measuring tube, or of a carrier structure coupled to the measuring tube, to the measuring tube or the carrier structure.Type: ApplicationFiled: December 2, 2019Publication date: April 2, 2020Inventors: PETER PLOSS, MICHAEL MAYLE
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Publication number: 20200103264Abstract: A process transmitter includes a transmitter housing and a liquid detector coupled to the transmitter housing. The liquid detector includes a temperature sensor configured to generate signals indicative of a presence of liquid within the transmitter housing. The process transmitter also includes a controller coupled to the liquid detector configured to receive the generated signals, determine the presence of liquid within the transmitter housing based on the received signals, and generate an output indicative of the determined presence of liquid within the transmitter housing.Type: ApplicationFiled: September 28, 2018Publication date: April 2, 2020Inventor: Clarence E. Holmstadt
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Publication number: 20200103265Abstract: The present invention accurately measures flow rates that have a high peak flow rate caused by pulsation, and is provided with a first flow rate converter having a first measurement range and a first response speed, a second flow rate converter having a second measurement range that is narrower on a low flow rate side than the first measurement range and has a second response speed that is slower than the first response speed, and a flow rate calculation unit that, when a flow rate contained in the second measurement range is measured, calculates the flow rate by correcting outputs from the first flow rate converter using outputs from the second flow rate converter.Type: ApplicationFiled: September 9, 2019Publication date: April 2, 2020Applicant: HORIBA, LTD.Inventor: Yoshinori OTSUKI