Relative Attitude Indication Along 3 Axes With Photodetection Patents (Class 356/139.03)
  • Patent number: 10417520
    Abstract: A detection system comprises an analysis unit for analyzing successive images generated by a monitoring sensor to determine in an image a position of an axis representative of the displacement of the aircraft between two successive images, the so-called real position, a computation unit for computing, on the basis of data relating to a displacement of an aircraft between the generations of these two images and of the positioning of the monitoring sensor on the aircraft, a position in an image of an axis representative of the displacement of the aircraft, the theoretical position, an estimation unit for estimating the angular disparity between the real position and the theoretical position, and a comparison unit for comparing this angular disparity with at least one predefined tolerance value so as to detect a misalignment when this angular disparity is greater than this tolerance value.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: September 17, 2019
    Assignee: AIRBUS OPERATIONS SAS
    Inventor: Stephane Gauthier
  • Patent number: 10352725
    Abstract: A sensor calibration method and system dynamically compute a bias offset which is subtracted from field strength readings generated by a sensor to correct them. The three-dimensional space around a sensor is seeded with orientation targets. As the sensor is rotated to different orientations, field strength readings are generated by the sensor and assigned to different targets based on estimated proximity. Once occupancy of targets conforms to a first state of occupancy, a coarse bias offset is computed for the sensor using readings from occupied targets. Once occupancy of targets conforms to a second state of occupancy, a refined bias offset is computed for the sensor using readings from occupied targets. Multiple sensors may be calibrated concurrently. Moreover, a user interface provides a real-time graphic showing the location and occupancy status of individual targets and highlighting the individual target best aligned with a most recent corrected sensor reading.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: July 16, 2019
    Assignee: Sharp Laboratories of America, Inc.
    Inventor: Bryan Severt Hallberg
  • Patent number: 10335004
    Abstract: A mobile robot system is provided that includes a docking station having at least two pose-defining fiducial markers. The pose-defining fiducial markers have a predetermined spatial relationship with respect to one another and/or to a reference point on the docking station such that a docking path to the base station can be determined from one or more observations of the at least two pose-defining fiducial markers. A mobile robot in the system includes a pose sensor assembly. A controller is located on the chassis and is configured to analyze an output signal from the pose sensor assembly. The controller is configured to determine a docking station pose, to locate the docking station pose on a map of a surface traversed by the mobile robot and to path plan a docking trajectory.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: July 2, 2019
    Assignee: iRobot Corporation
    Inventors: Philip Fong, Jason Meltzer, Jens-Steffen Gutmann, Vazgen Karapetyan, Mario E. Munich
  • Patent number: 10333619
    Abstract: According to an example aspect of the present invention, there is provided an apparatus comprising at least one memory configured to store positioning information, and at least one processing core configured to determine a position estimate for the apparatus based at least in part on the positioning information and on at least one direction of a steerable optical beam, the steerable optical beam being steerable by the apparatus.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: June 25, 2019
    Assignee: Nokia Technologies Oy
    Inventors: Marc Bailey, David Bitauld
  • Patent number: 10324172
    Abstract: [Problem] To provide a calibration apparatus capable of reducing a workload for calibrating a position and a direction of each range sensor. [Solving Means] In the measurement arithmetic unit 100, the social group identification portion 5610 identifies a group candidate that is detected as a group out of moving measuring objects in each laser range finder. The group comparison portion 5612 identifies a group in agreement for each pair of the laser range finder, and calculates the relative position of each pair of the laser range finder according to the position and the directions of the identified matching group. The network position identifying portion 5620 calibrates the position and the direction of each laser range finder in the sensor network coordinate system such that the error of the position of the object observed in common from each pair becomes minimum.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: June 18, 2019
    Assignee: Advanced Telecommunications Research Institute International
    Inventors: Dylan Fairchild Glas, Florent Ferreri, Takahiro Miyashita
  • Patent number: 10175696
    Abstract: An apparatus for guiding an autonomous vehicle towards a docking station including an autonomous vehicle with a camera-based sensing system, a drive system for driving the autonomous vehicle, and a control system for controlling the drive system. The apparatus includes a docking station including a first fiducial marker and a second fiducial marker, wherein the second fiducial marker is positioned on the docking station to define a predetermined relative spacing with the first fiducial marker, wherein the control system is operable to receive an image provided by the camera-based sensing system, the image including a representation of the first and second fiducial markers, and to control the drive system so as to guide the autonomous vehicle towards the base station based on a difference between the representation of the first and second fiducial markers in the received image and the predetermined relative spacing between the first and second fiducial markers.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: January 8, 2019
    Assignee: Dyson Technology Limited
    Inventors: Michael David Aldred, Simon Edwards-Parton
  • Patent number: 10129535
    Abstract: An infrared polarizing filter is attached to an infrared synchronization signal radiator of a stereoscopic image display device which alternately displays right and left images by time-division with polarized light in one direction to radiate the polarized-light infrared synchronization signal. The problem with the occurrence of crosstalk is solved. Stereoscopic image appreciation eyeglasses have polarizing plates, visual field opening/closing liquid crystal cells and tilt correcting liquid crystal cells The synchronization signal is received by a receiver mounted on an eyeglass frame. The tilt correcting liquid crystal cells are adjusted based on the eyeglass frame tilt angle detected.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: November 13, 2018
    Inventor: Minoru Inaba
  • Patent number: 10088548
    Abstract: In an example embodiment, the orientation of a wireless device, such as an access point (AP) can be determined based on the location of neighboring wireless devices and the observed angle of arrival of signals from the wireless device at the neighboring wireless devices. For example, the angle of orientation can be determined by comparing an observed angle of arrival with the known actual angle between wireless devices. If a plurality of wireless devices measures the signal, the mean or median of the difference between observed angle of arrival of a signal from the wireless device with the actual angle for the plurality of wireless devices may be employed to determine the angular orientation.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: October 2, 2018
    Assignee: Cisco Technology, Inc.
    Inventor: Santosh Pandey
  • Patent number: 10054427
    Abstract: Parallel laser light beams are irradiated from different positions into a telescope. Beams of laser light are incident on a secondary minor attitude detection minor from different locations. Laser light detectors detect each beam of laser light reflected by the secondary minor attitude detection minor. A first attitude calculator determines an amount of attitude variation of a secondary minor based on a result detected by the laser light detectors. The laser light detectors detect each beam of the laser light reflected by the primary minor and the secondary minor after entering the telescope. A second attitude calculator determines an amount of attitude variation of the primary minor based on a result detected by the laser light detectors and the result detected by the laser light detectors.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: August 21, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Seiichi Shimizu, Kazuhide Kodeki, Masaki Haruna
  • Patent number: 9971874
    Abstract: A method including obtaining a first motion signal segment sensed by a motion sensor worn on a user's wrist or forearm; detecting the user performed a first action based on the first motion signal segment; obtaining a second motion signal segment sensed by the motion sensor, wherein the second motion signal segment was sensed by the motion sensor after the first motion signal segment; detecting the user performed a second action based on the second motion signal segment and in response to the detection of the first action; determining that a first medication was taken by the user based on the detection of the second action; and, in response to the determination that the first medication was taken by the user, causing presentation of an indication to the user or transmitting an indication to an external device that the first medication was taken by the user.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: May 15, 2018
    Inventors: Roozbeh Jafari, Nasser Kehtarnavaz, Chen Chen
  • Patent number: 9955559
    Abstract: Disclosed are methods and apparatus for commissioning a light source in a lighting system including a plurality of light sources capable of emitting coded light. An autonomous vehicle with one or more light sensors and a location detector navigates throughout the lighting system. The light sensor detects an identifier encoded in a light source and the location detector determines the location of the autonomous vehicle. The location is associated with the encoded identifier, thereby commissioning the light source.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: April 24, 2018
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Dirk Valentinus René Engelen, Bartel Marinus Van De Sluis
  • Patent number: 9921453
    Abstract: Various of the disclosed embodiments incorporate wavelength-shifting (WLS) materials to facilitate high data rate communication. Some embodiments employ a waveguide incorporating such WLS materials to receive a wireless signal from a source. The signal may be, e.g., in the optical or ultraviolet ranges, facilitating a ˜10 Gbps data rate. Because the WLS material is sensitive in all directions, the source may be isotropic or wide-angled. The WLS material may be shaped into one or more “bands” that may cover an object, e.g., a head-mounted display. A detector may be coupled with the bands to receive the wavelength-shifted signal and to recover the original signal from the source. The WLS material may be modified to improve the waveguide retention, e.g., by incorporating layers of material having a different reflection coefficient or a Bragg reflector.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: March 20, 2018
    Assignee: Facebook, Inc.
    Inventors: Tobias Gerard Tiecke, Kevin Jerome Quirk, Yael Maguire
  • Patent number: 9922454
    Abstract: The invention relates to a method for designing a dental appliance for a facial skeleton including dental crowns and the roots corresponding thereto, said method including the following steps: producing a volumetric image of the facial skeleton, in the form an initial digital file, using medical imaging; modifying said volumetric image by means of the computer processing of said initial digital file, and obtaining a modified digital file, said modification including at least one tooth movement with a view to implementing a desired correction of the dentition; designing said dental appliance using said initial digital file and said modified digital file, and producing a file capable of being used by digitally controlled machines capable of manufacturing a dental appliance.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: March 20, 2018
    Assignee: MODJAW
    Inventor: Maxime Jaisson
  • Patent number: 9902403
    Abstract: A sensory stimulation system for autonomous vehicle (AV) can monitor AV data indicating actions to be performed by the AV. The sensory stimulation system can further provide a user interface the enables riders of the AV to adjust output parameters of the sensory stimulation system. Based at least in part on the AV data, the sensory stimulation system can generate a set of stimulation commands for one or more of the output systems. Based on adjustments made by the at least one rider on the user interface, the sensory stimulation system can execute the stimulation commands on individual output systems.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: February 27, 2018
    Assignee: UBER TECHNOLOGIES, INC.
    Inventors: Richard Donnelly, David McAllister Bradley, Matthew Sweeney, Emily Bartel
  • Patent number: 9903934
    Abstract: A dimensional measuring device sends a beam of light to a remote probe having a retroreflector and a pitch/yaw sensor. The pitch/yaw sensor passes the light through an aperture and a lens to a position sensor that generates an electrical signal indicative of the position of the received light. A processor uses the electrical signal to determine a pitch angle and a yaw angle of the remote probe.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: February 27, 2018
    Assignee: FARO TECHNOLOGIES, INC.
    Inventors: Mathieu Antoina, Lawrence B. Brown, Jonathan R. Day, Matthew Frederick Evans, Ricardo Martins, Jacob J. Mertz, John Mountney, Robert Mark Neal, James Schloss, Quintin Stotts, Ding Wang, Robert E. Bridges
  • Patent number: 9885569
    Abstract: A passive altimeter includes an imaging device, a groundspeed system, an image processing device operatively connected to receive an indication of groundspeed from the groundspeed system and to receive at least a first image from the imaging device taken at a first position and a second image from the imaging device taken at a second position spaced apart from the first position. The image processing device is configured to compare the first image and the second image to determine an altitude above ground using the indication of groundspeed from the groundspeed system.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: February 6, 2018
    Assignee: Goodrich Corporation
    Inventor: Richard N. Lane
  • Patent number: 9864061
    Abstract: The invention relates to a portable observation device having an observation path for optical targeting of a target object, and comprising an optoelectronic rangefinder for measuring the distance in the direction of the targeting. The rangefinder includes a transmission unit for emitting a temporal sequence of pulses of optical radiation, a reception unit for receiving a portion of the optical radiation cast back by the target object and for determining signal information and an electronic evaluation unit, which a distance to the target object can be determined on the basis of a signal travel time between emission and reception of the optical radiation. When a trigger is actuated manually, the distance is determined including the signal information from a specified minimum number of pulses, which define a minimum length of a time window of the distance measurement.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: January 9, 2018
    Assignee: Safran Vectronix AG
    Inventor: Luca Giacotto
  • Patent number: 9865059
    Abstract: A medical image processing apparatus includes a data acquirer that scans an object with a fiducial marker attached thereto to acquire volume data, and a data processor that estimates a plane of interest, based on a position of the fiducial marker and a position of a landmark in the volume data.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: January 9, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Praveen Gulaka, Young-ha Kim, Soo-in Cho, Jae-moon Jo, Yang-lim Choi
  • Patent number: 9857302
    Abstract: An apparatus for manipulating surface near-field light resulting from light emitted from a light source that passes through a scattering layer is disclosed. Also, a method of finding a phase of incident light to cause constructive interference at a target spot using light scattering to manipulate the surface near-field.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: January 2, 2018
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yongkeun Park, Jung-Hoon Park, Yong-Hoon Cho, Chunghyun Park
  • Patent number: 9835726
    Abstract: A method for optically scanning, measuring and displaying a point cloud is provided. The method includes emitting, by a laser scanner, an emission light beam and receiving a reflection light beam that is reflected from an object. A control device determines for measurement points projected on a plane corresponding to a screen, wherein at least some measurement points are displayed on a display device. One or more pixels are gap filled to generate a visual appearance of a surface on the display device. Wherein the gap filling includes a first horizontal search in a first direction of a first measured point of the measurement points followed by a second horizontal search in a second direction of the first measured point. The gap filling further includes a first vertical search in a third direction of the measured point, followed by a second vertical search in a fourth direction.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: December 5, 2017
    Assignee: FARO TECHNOLOGIES, INC.
    Inventors: Martin Ossig, Daniel Flohr, Dag Frommhold, Oliver Knörzer, Martin Heide
  • Patent number: 9813151
    Abstract: Communication bottlenecks, particularly in the downlink direction, are a common problem for many CubeSat developers. As described herein, a CubeSat module for a CubeSat comprises an optical transmitter to transmit data to a remote terminal, a receiver to acquire an optical beacon from a remote terminal, and a fine-pointing module operably and directly coupleable to a coarse-pointing module of the CubeSat. The fine-pointing module is configured to point the optical transmitter toward the remote terminal with an accuracy range that overlaps with an accuracy range of the coarse-pointing module of the CubeSat so as to establish a communications link between the CubeSat and the remote terminal over a low-Earth-orbit (LEO) distance.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: November 7, 2017
    Assignee: Massachusetts Institute of Technology
    Inventors: Ryan Wallace Kingsbury, Kathleen Michelle Riesing, Kerri Lynn Cahoy, Tam Nguyen Thuc Nguyen, David O. Caplan
  • Patent number: 9797708
    Abstract: An apparatus (1) for profiling the depth of a surface of a target object (30), having a two-dimensional array of lasers (5), an optical device (15) for projecting a two-dimensional illumination pattern (31) onto an area of the surface of the target object, an image capture device (10) arranged to capture an image of the two-dimensional illumination pattern projected onto the area of the surface of the target object and a processor (25) configured to process the captured image in order to reconstruct a depth profile of the two-dimensional area of the surface of the target object from the image captured by the image capture device.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: October 24, 2017
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Arno Vredenborg, Mark Carpaij, Stephen Gronenborn, Pavel Pekarski, Arnd Ritz
  • Patent number: 9776200
    Abstract: Various embodiments of the present disclosure are directed to an Unmanned Aerial System (UAS) for applying a liquid to a surface. According to various embodiments, the UAS includes an Unmanned Aerial Vehicle (UAV) including flight control mechanisms. The UAV is configured to receive first control signals and to adjust an operational configuration of the flight control mechanisms in response to the first control signals. The UAS further includes a delivery assembly coupled to the UAV, where the delivery assembly is configured to receive second control signals and to apply the liquid to the surface located proximately to the UAV in response to the second control signals. The UAS further includes a control unit coupled to the UAV and the delivery assembly, the control unit configured to transmit the first and second control signals to the UAV and the delivery assembly, respectively.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: October 3, 2017
    Assignee: LURYTO, LLC
    Inventors: Luke Andrew Busby, Todd Iverson, Ryan McMaster
  • Patent number: 9739864
    Abstract: In an embodiment, a guidance system determines a location parameter of an object, and includes: at least one oscillating element located at the object for emitting modulated optical radiation; at least two mutually distinct signal-modifying electro-optical sensors, each of the electro-optical sensors having a detector and a demodulator for generating a demodulated electrical signal in response to detection of at least a portion of the modulated optical radiation; and a processor for determining the location parameter from the demodulated electrical signals. In another embodiment, a guidance system has aberration-corrected imaging and includes: a plurality of electro-optical sensors sharing a field of view and mutually distinctly providing a respective plurality of altered images therefrom; and an image generator module for linearly and non-linearly processing spatial frequency properties of the plurality of altered images to synthesize an aberration-corrected image for the imaging system.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: August 22, 2017
    Assignee: ASCENTIA IMAGING, INC.
    Inventors: Edward R. Dowski, Jr., Gregory Johnson
  • Patent number: 9729853
    Abstract: The use of one or more angled or curved and diverging light pipes or reflectors placed in a light source's, e.g. diode's, emission path at appropriate distances, angles and divergence, such that a diode's emission spot size is modified and or redirected from the diode's natural emission path to alternative planes at angle to the diode's natural emission path so that a diode emission safe spot size can be achieved on any plane at angle to the original diode natural emission path at minimum distances from the diode's point of emission.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: August 8, 2017
    Assignee: Lumentum Operations LLC
    Inventors: Bryed Billerbeck, James Yonghong Guo, An-Chun Tien, Vincent V. Wong, Ferdinand Mendoza
  • Patent number: 9718524
    Abstract: An autonomous underwater system for environmental monitoring including a multidisciplinary underwater station including onboard instrumentation, at least one autonomous modular underwater vehicle movable inside an area to be monitored along an assigned route, and at least one external instrumental modulus which can be connected to the vehicle, wherein the multidisciplinary underwater station includes a docking area, an interface system, an equipping system for supplying the vehicle with instrumental moduli, and a management system.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: August 1, 2017
    Assignee: ENI S.p.A.
    Inventors: Francesco Gasparoni, Mauro Favaretto, Tiberio Grasso
  • Patent number: 9684078
    Abstract: A method, system and computer program product are provided for displaying three-dimensional measurement points on a two-dimensional plane of a display screen having a plurality of pixels. The method includes projecting the measurement points onto the plane. Each of the measurement points is assigned to one of the pixels. A depth value is assigned to each of the pixels. A first pixel is selected having a first measurement point and a first depth value. A first side is searched for a second pixel having a second measurement point and a second depth value. A second side is searched for a third pixel having a third measurement point and a third depth value. It is determined whether the second and third measurement points are on a same plane. The first depth value of the first pixel is changed when the second and third measurement points are on the same plane.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: June 20, 2017
    Assignee: FARO TECHNOLOGIES, INC.
    Inventors: Martin Ossig, Dag Frommhold, Daniel Flohr
  • Patent number: 9645240
    Abstract: A method for optically scanning, measuring and displaying a point cloud is provided. The method includes emitting, by a laser scanner, an emission light beam and receiving a reflection light beam that is reflected from an object. A control device determines for measurement points projected on a plane corresponding to a screen, wherein at least some measurement points are displayed on a display device. One or more pixels are gap filled to generate a visual appearance of a surface on the display device. Wherein the gap filling includes a first horizontal search in a first direction of a first measured point of the measurement points followed by a second horizontal search in a second direction of the first measured point. The gap filling further includes a first vertical search in a third direction of the measured point, followed by a second vertical search in a fourth direction.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: May 9, 2017
    Assignee: FARO TECHNOLOGIES, INC.
    Inventors: Martin Ossig, Daniel Flohr, Dag Frommhold, Oliver Knörzer, Martin Heide
  • Patent number: 9625255
    Abstract: Some embodiments of the invention relate to a method for measuring an angle between two spatially separated elements having the steps: preparing a multiplex hologram having a plurality of interference patterns, at least two having different angles of incidence of an object light wave onto a hologram plane; arranging the multiplex hologram in a first element plane on a first element; lighting the multiplex hologram with a reference light wave; arranging a light detector in a second element plane on a second element; detecting a reference light wave refracted on an interference pattern with a light detector; creating an intensity pattern from the detected refracted reference light wave; assigning the angle of incidence stored as machine readable data to the intensity pattern; and/or calculating an angle between the first element plane and the second element plane from the assigned angle of incidence.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: April 18, 2017
    Assignee: HEXAGON TECHNOLOGY CENTER GMBH
    Inventors: Bo Pettersson, Frank Przygodda, Knut Siercks
  • Patent number: 9594167
    Abstract: A geodetic surveying method includes deriving surface information for an object and geodetically accurate individual point measuring to at least one reference point. A position reference to an external coordinate system may also be provided by the at least one reference point. The method may also include aligning measurement radiation on the at least one reference point. The method may also include determining at least one direction to the reference point in an internal coordinate system. A method for reference point-independent scanning is also disclosed for deriving the surface information, the method may comprise scanning by continuously changing the alignment of the measurement radiation, determining a respective distance and a respective alignment of the measurement radiation emitted for a distance measurement for scanning points lying within the specified scanning region, and producing a point cloud representing the surface information and having the scanning points, in the internal coordinate system.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: March 14, 2017
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Hans-Martin Zogg, Norbert Kotzur
  • Patent number: 9575183
    Abstract: A measurement system including a tracking measurement device, a tracked measurement device, and a positioning unit disposed at least partly on the tracked measurement device. The positioning unit includes a tracking groove formed in a surface of the positioning unit, the tracking groove having a non-repeating pattern, and a positioning target configured to interface with the tracking groove so as to be movable within and along at least a portion of the tracking groove, where the positioning target is configured to interface with the tracking measurement device to effect a position determination of the tracked measurement device in a global coordinate system of the tracking measurement device.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: February 21, 2017
    Assignee: The Boeing Company
    Inventors: Michael L. Piasse, William T. Edwards, Craig M. Farniok
  • Patent number: 9568172
    Abstract: An apparatus, system and method for aiming solid state lighting modules that are mounted in a lighting fixture. The apparatus comprises an aiming station space from a projection surface. At least one reference laser projects from at or near the aiming station to the projection surface. The lighting module is preliminary attached to a supporting structure or rail that is mounted at the aiming station. An aiming laser is temporarily attached to the housing. The module is manually adjusted on its mounting rail to align its aiming laser with a reference position on the projection surface. The module is then locked in to position.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: February 14, 2017
    Assignee: Musco Corporation
    Inventors: Christopher T. Chantos, Lawrence H. Boxler
  • Patent number: 9544054
    Abstract: Various of the disclosed embodiments incorporate wavelength-shifting (WLS) materials to facilitate high data rate communication. Some embodiments employ a waveguide incorporating such WLS materials to receive a wireless signal from a source. The signal may be, e.g., in the optical or ultraviolet ranges, facilitating a ˜10 Gbps data rate. Because the WLS material is sensitive in all directions, the source may be isotropic or wide-angled. The WLS material may be shaped into one or more “bands” that may cover an object, e.g., a head-mounted display. A detector may be coupled with the bands to receive the wavelength-shifted signal and to recover the original signal from the source. The WLS material may be modified to improve the waveguide retention, e.g., by incorporating layers of material having a different reflection coefficient or a Bragg reflector.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: January 10, 2017
    Assignee: Facebook, Inc.
    Inventors: Tobias Gerard Tiecke, Kevin Jerome Quirk, Yael Maguire
  • Patent number: 9519341
    Abstract: A medical manipulator includes: a holding portion whose proximal end portion is fixed to a base; a positioning portion that has a fixing portion that is fixed to a distal end portion of the holding portion, and that is formed such that a treatment portion of a surgical instrument is able to move relative to the fixing portion; a reference orientation detecting portion that detects an orientation of a reference position on the positioning portion; a drive section that is used to move the treatment portion relative to the fixing portion; and a displacement detecting section that detects an amount of movement, including angular displacement, of the treatment portion relative to the reference position, and that calculates as the orientation on the treatment portion an orientation that is different by an amount of angular displacement that it has itself detected from the orientation on the reference position detected by the reference orientation detecting portion.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: December 13, 2016
    Assignee: OLYMPUS CORPORATION
    Inventors: Mitsuaki Hasegawa, Kosuke Kishi
  • Patent number: 9470793
    Abstract: An optical blade tracking system for a rotary wing aircraft, the system including a light source generating at least one light beam, the light source coupled to a rotor blade of the rotary wing aircraft, wherein movement of the rotor blade is imparted to the light source; a two-dimensional position detector generating signals indicative of a position of the light beam along a first axis and a position of the light beam along a second axis and generating a signal indicative of an angular position of the light beam about a third axis; a processor receiving the signals, the processor determining at least one of lead-lag, flap and pitch of the rotor blade in response to the signals; and a polarizer filter positioned between the light source and the two dimensional position detector, the polarizer filter modulating intensity of the light beam onto the two-dimensional position detector.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: October 18, 2016
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Fanping Sun, Zaffir A. Chaudhry, Seung Bum Kim, Austin Fang, Matthew James Wasilewski, Robert Mark Lex, Curtis S. James, Harvey A. Samuels, Alonso Guzman, David James Majko
  • Patent number: 9377301
    Abstract: A mobile field controller, together with a geodetic surveying device, forms a one-person measurement system for geodetic position determination. The field controller allows the spatial orientation of the field controller to be determined. The field controller supports a geodetic target object and has a distance-measuring unit that measures the distance between the field controller and a target point, the distance being optically marked by the field controller, as a result of which a 3D point cloud is generated without physical contact to a target point. When surveying a specific terrain region, algorithms analyzing the 3D point cloud are saved in a control and evaluation unit of the field controller. The absolute position of the target point is calculated from the data of the spatial orientation of the field controller, the distance between field controller and target point and the absolute position of the geodetic target object.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: June 28, 2016
    Assignee: HEXAGON TECHNOLOGY CENTER GMBH
    Inventors: Gunnar Neier, Bernhard Metzler
  • Patent number: 9360310
    Abstract: The present disclosure relates to a multi-sensor indoor localization method and device. The method includes: an optical signal is received from a point light source using an optical sensor group having N optical sensors; the light intensity of the optical signal is obtained, the optical sensor group includes a polyhedron-shaped base where the normal vectors of each three faces are linearly independent, the N optical sensors are located on the faces of the base, and N?6; the current heading is obtained by a magnetic sensor group; a current unit normal vector is obtained; a system of at least three equations is established; the system of equations is solved to obtain an approximate solution of minimum residual, the approximate solution is regarded as the coordinates of the optical sensor group.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: June 7, 2016
    Assignee: Shenzhen Institute of Advanced Technology Chinese Academy of Sciences
    Inventors: Guang Tan, Bo Xie, Chenghua Mao
  • Patent number: 9297654
    Abstract: Generally discussed herein are systems and apparatuses that are configured to and techniques for associating a SIGnal INTelligence (SIGINT) signal with an object or tracklet. According to an example a technique can include estimating Times of Arrival (ToAs) at each of a plurality of collectors of a first signal from each of a plurality of moving transmitters, each first signal transmitted from a transmitter on a tracklet extracted from video data and received at the plurality of collectors, wherein a location of each of the plurality of collectors is known, comparing each estimated ToA to a respective actual ToA of a SIGINT signal received at each of the collectors, or determining a likelihood that the signal corresponds to the SIGINT signal to determine whether the SIGINT signal was transmitted from a transmitter on the corresponding tracklet.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: March 29, 2016
    Assignee: Raytheon Company
    Inventors: Geoffrey M. Guisewite, Robert J. Cole, Thomas P. Deardorff
  • Patent number: 9279764
    Abstract: An apparatus for manipulating surface near-field light resulting from light emitted from a light source that passes through a scattering layer is disclosed. Also, a method of finding a phase of incident light to cause constructive interference at a target spot using light scattering to manipulate the surface near-field.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: March 8, 2016
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yongkeun Park, Jung-Hoon Park, Yong-Hoon Cho, Chunghyun Park
  • Patent number: 9261625
    Abstract: A method and system provide the ability to measure relative displacement and rotation. A first light is continuously shined from a first light source that is fixed on a first entity to a first two-dimensional (2D) plate fixed on a second entity. The first direction of propagation of the first light does not change relative to the first entity. A second light is shined from a second light source that is fixed on the first entity to a second 2D plate fixed on the second entity. A second direction of propagation of the second light does not change relative to the first entity and is different from the first direction of propagation. The displacement of the lights on plates is directly monitored to determine a 3D displacement vector that represents a relative displacement between the first entity and the second entity. Thus, a three dimensional gravity gradient tensor is constructed.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: February 16, 2016
    Assignee: California Institute of Technology
    Inventor: Shervin Taghavi Larigani
  • Patent number: 9218069
    Abstract: An optical sensing device to measure displacement in a parallel direction perpendicular to a proximate surface is disclosed. The optical sensing device may comprise a tracking light source, a displacement light source, a displacement optical element, and a sensor. The tracking light source may generate a first beam spot on the proximate surface and the displacement light source may generate a second beam spot. The second beam spot may be smaller than the first beam spot. The displacement light source may be optically coupled with the displacement optical element to generate the second beam spot at an incident angle ? that may generate a shift in the second beam spot position when the optical sensing device is displaced relative to the proximate surface. The shift in the second beam spot position to a new position may correspond to a displacement of the optical sensing device in a direction perpendicular to the proximate surface.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: December 22, 2015
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Sai Mun Lee, Kevin Len-Li Lim
  • Patent number: 9207778
    Abstract: A high precision signal sensing system and method using an infrared light is provided. The high precision signal sensing system may receive, from a light emitting device, a plurality of lights including a first light and a second light, may measure intensities of the first light and the second light, and may measure a light emitting intensity of the light emitting device based on an intensity difference between the measured light receiving intensities.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: December 8, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyong Euk Lee, Sang Hyun Kim, Won Chul Bang, Jung Bae Kim
  • Patent number: 9188878
    Abstract: At a carriage that shows a resonance mode in opposite phase to a resonance mode shown by a plate table where an interferometer which measures a position (a first controlled variable) of a plate stage driven according to a control input is installed, another interferometer is installed which measures a position (the second controlled variable) of the plate stage. By using the interferometer and the another interferometer, it becomes possible to design a driving system robust in a high bandwidth that drives the plate stage.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: November 17, 2015
    Assignees: THE UNIVERSITY OF TOKYO, NIKON CORPORATION
    Inventors: Hiroshi Fujimoto, Kazuaki Saiki, Koichi Sakata
  • Patent number: 9170092
    Abstract: A system for detecting misalignment of an aero surface relative to other aero surfaces during simultaneous deployment of the aero surfaces is disclosed. A generator configured to shine a laser through aligned apertures in a series of aero surfaces towards a reflector during deployment of the aero surfaces, a receptor to detect reflection of the laser from the reflector back through the apertures to the generator and, a controller operable to terminate further deployment of the aero surfaces in the event that no reflection is detected by the receptor, or if an actual time taken for the reflected beam of light to be detected by the receptor differs from a predetermined time.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: October 27, 2015
    Assignee: AIRBUS OPERATIONS LIMITED
    Inventor: Phillip Vincent Teague
  • Patent number: 9158306
    Abstract: A system arranged in an aerial vehicle for determining the position of the aerial vehicle relative to a center of a remote predetermined landing area arranged on a surface. A beam emitter is configured to emit beams towards the surface. A detector is configured to detect the beams reflected from the surface. A control is configured to control the beam emitter to emit beams onto the surface to form a plurality of lines thereon. A processor is configured to detect at least one edge providing a difference in height relative to the surface based on the detected reflected line forming beams. The edge substantially surrounds the predetermined landing area. The processor is further configured to determine the position of the aerial vehicle relative to the center of the remote predetermined landing area based on the detected at least one edge.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: October 13, 2015
    Assignee: SAAB AB
    Inventors: Johan Ehlin, Tomas Högström
  • Patent number: 9160904
    Abstract: A calibration module may acquire calibration data for calibrating rotations of augmented reality functional node. The calibration module scans a target, records pose data for the augmented reality functional node, and captures images of the scanned target. From these acquired images, calibration may be determined. Once determined, the calibration may be used to determine a rotator control model.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: October 13, 2015
    Assignee: Amazon Technologies, Inc.
    Inventors: Samuel Henry Chang, Yuhua Zhu, Prasanna Venkatesh Krishnasamy
  • Patent number: 9138905
    Abstract: The positions of the slitter blades of a slitter-winder are calibrated using a laser to perform measurement and calibration of the fiber web cutting point of each slitter blade pair. Measurement and calibration is preformed on the top slitter blade of each of a multiplicity of slitter blade pairs one after another. The laser measures one slitter blade of each slitter blade pair while they are engaged. The slitter blade pairs between the laser and the slitter blade pair being measured are not engaged. Carriages which support the slitter blades have position sensors which the laser measurements calibrate and the blade pair positions are measured and the carriage positions are read simultaneously. The cutting edges of the slitter blades are sharpened to have straight sides and the laser measurement system is located so the laser beam is directed to the straight side.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: September 22, 2015
    Assignee: Valmet Technologies, Inc.
    Inventor: Michael J. Daul
  • Patent number: 9109878
    Abstract: The general field of the invention is that of systems for detecting the posture of a mobile object. The systems according to the invention comprise a fixed electro-optical device comprising an emission source and a photosensitive sensor. The optical corner cube is arranged on the mobile object. The entry face of the corner cube has a predetermined geometry, the light coming from the source and reflected back by the corner cube forming a luminous contour on the matrix sensor. The fixed electro-optical device comprises an optical element with a known shape and location, which is placed in the vicinity of the said source and is arranged so as to form a dark zone in the central part of the luminous contour. The detection system comprises analysis means determining the position and the orientation of the mobile object from knowledge of the vanishing points of the luminous contour and the position and shape of the dark zone.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: August 18, 2015
    Assignee: Thales
    Inventors: Bruno Barbier, Laurent Potin, Siegfried Rouzes
  • Patent number: 9075127
    Abstract: A head tracking system for determining a head position of a user may include a light source configured to emit light onto a rectangular position sensitive device supported by a support structure such as headphones. The light emitted by the light source may generate a light spot on the position sensitive device. A head position determining module may determine the head position using the position of the light spot on the position sensitive device. The support structure may be configured to support the position sensitive device such that a head rotation results in rotation of the position sensitive device and a displacement of the light spot toward a corner of the rectangular position sensitive device.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: July 7, 2015
    Assignee: Harman Becker Automotive Systems GmbH
    Inventors: Wolfgang Hess, Thorsten Mayer
  • Patent number: 8964179
    Abstract: A tester including a laser transmitter, a laser receiver, a zero reference plane located between the laser transmitter and the laser receiver, a tower reference plane located between the laser transmitter and the laser receiver, wherein the tower reference plane defines an aperture, and a controller. The controller is configured to measure a pitch static attitude of a head stack assembly by at least determining a zero axis, determining a first horizontal position of the aperture and a second horizontal position of the aperture, determining a mid-point of a first slider of the head stack assembly, determining a first vertical position of the aperture, determining a first horizontal line, and generating a pitch static attitude reference line corresponding to a pitch static attitude of the first slider based on a least squares approximation using the mid-point of the first slider and the first horizontal line.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: February 24, 2015
    Assignee: Western Digital Technologies, Inc.
    Inventors: Chaiya Thongrattana, Angkhan Thongsuksai, Phatrasiri Rungsang, Panuwat Rodchom, Porntep Prangprasit