49th week of 2020 patent applcation highlights part 41 |
Patent application number | Title | Published |
20200379094 | LIDAR SIGNAL ACQUISITION - Methods and systems for combining return signals from multiple channels of a LIDAR measurement system are described herein. In one aspect, the outputs of multiple receive channels are electrically coupled before input to a single channel of an analog to digital converter. In another aspect, a DC offset voltage is provided at the output of each transimpedance amplifier of each receive channel to improve measured signal quality. In another aspect, a bias voltage supplied to each photodetector of each receive channel is adjusted based on measured temperature to save power and improve measurement consistency. In another aspect, a bias voltage supplied to each illumination source of each transmit channel is adjusted based on measured temperature. In another aspect, a multiplexer is employed to multiplex multiple sets of output signals of corresponding sets of receive channels before analog to digital conversion. | 2020-12-03 |
20200379095 | TIME-OF-FLIGHT ARRANGEMENT AND METHOD FOR A TIME-OF-FLIGHT MEASUREMENT - A time-of-flight arrangement ( | 2020-12-03 |
20200379096 | METHOD FOR IDENTIFICATION OF A NOISE POINT USED FOR LIDAR, AND LIDAR SYSTEM - The present disclosure relates to a method for identification of a noise point used for a LiDAR, comprising: receiving a point cloud generated by the LiDAR; obtaining at least one of reflectivity and continuity parameter of a point in the point cloud, and a distance between the point and the LiDAR; and determining whether the point is a noise point at least based on at least one of the reflectivity and the continuity parameter, and the distance. | 2020-12-03 |
20200379097 | BISTATIC INTERFEROMETRIC TERRESTRIAL RADAR WITH TRANSPONDER - Bistatic interferometric terrestrial radar comprising: a main radar unit ( | 2020-12-03 |
20200379098 | TIME OF FLIGHT ABSOLUTE POSITION MEASUREMENT - A linear actuator includes a piston, a transmitter, and a receiver. The piston is configured to linearly extend and retract (such as within a cover tube). The transmitter is configured to generate a transmit electromagnetic waveform and direct the transmit electromagnetic waveform along a length of the piston. The receiver is configured to receive a return electromagnetic waveform that includes the transmit electromagnetic waveform after travelling to an extended end of the piston and returning to the receiver and determine a position of the piston based on a phase difference between the transmit electromagnetic waveform and the return electromagnetic waveform. | 2020-12-03 |
20200379099 | RADAR SIGNAL PROCESSING DEVICE - A signal cutting-out unit cuts out a signal reflected from a target by a specific length while the cut-out signals are overlapped by a set length. A power spectrum calculating unit calculates a plurality of power spectra from output signals from the signal cutting-out unit. A power spectrum reconstructing unit performs power spectrum reconstruction by changing a ratio or contribution rate of power spectrum components in a set region, using the plurality of power spectra. A spectral moment calculating unit calculates a spectral moment from a power spectrum reconstructed by the power spectrum reconstructing unit. | 2020-12-03 |
20200379100 | AZIMUTH ESTIMATION DEVICE AND METHOD - In an azimuth estimation device, a center generation unit configured to generate, for each peak bin extracted by the extraction unit, a center matrix which is a correlation matrix obtained using values of the same peak bin collected from all of transmitting/receiving channels. A surrounding generation unit is configured to generate, for each of one or more surrounding bins of each of the peak bins, a surrounding matrix which is a correlation matrix obtained using values of the same surrounding bin collected from all of the transmitting/receiving channels. An integration unit is configured to generate, for each peak bin, an integrated matrix which is a correlation matrix obtained by weighting and adding the center matrix and the one or more surrounding matrices. An estimation unit is configured to execute an azimuth estimation calculation using the integrated matrix generated by the integration unit. | 2020-12-03 |
20200379101 | METHOD AND DEVICE FOR EVALUATING THE ANGULAR POSITION OF AN OBJECT, AND DRIVER ASSISTANCE SYSTEM - A method for evaluating an angular position of an object recognized on the basis of radar data, the radar data being ascertained by a radar device. The method includes: ascertaining of an intrinsic speed of the radar device; ascertaining a relative speed of the recognized object in relation to the radar device, using the ascertained radar data; ascertaining at least one angular test region using the ascertained intrinsic speed and the ascertained relative speed, the at least one angular test region corresponding to possible stationary objects that have a relative speed that substantially corresponds to the ascertained relative speed; and ascertaining whether an azimuth angle of the recognized object lies in the ascertained angular test region. | 2020-12-03 |
20200379102 | IMAGING SYSTEM FOR LOCATING HUMAN BEINGS THROUGH BARRIERS - Systems and methods are provided for recognizing a human being behind a barrier using a radar image. A millimeter band radar assembly captures radar returns from a region of interest, at least a portion of which is separated from the millimeter band radar assembly by the barrier. A system control processes the radar returns to provide at least one radar image showing the amplitude of the radar return in each of a plurality of locations within the region of interest. The system control includes a sensitivity tuning component that adjusts a noise floor for the processed sensor data to provide an image of the at least one radar image tuned to maximize the visibility of the human being. A display provides the radar image to a user. | 2020-12-03 |
20200379103 | SYSTEM AND METHOD TO CLASSIFY OBJECTS USING RADAR DATA - A system and method to classify objects using radar data obtained by an automotive radar. The system includes a convolutional network having a plurality of hidden layers comprising convolution layers for extracting features from the radar data, and an output. The system also includes a deconvolutional network having a plurality of hidden layers comprising deconvolution layers for classifying the features extracted from the radar data, and a classification output. The system also includes a filter having an input coupled to the classification output of the deconvolutional network. The system further includes a fully connected network having a plurality of fully connected layers for determining a clutter threshold value from the output of the convolutional network. The filter is operable to use the clutter threshold value to filter noise and/or clutter from the classification output of the deconvolutional network and pass a filtered classification output to an output of the system. | 2020-12-03 |
20200379104 | THREE-DIMENSIONAL FORWARD-LOOKING SONAR TARGET RECOGNITION WITH MACHINE LEARNING - Machine learning algorithms can interpret three-dimensional sonar data to provide more precise and accurate determination of seafloor depths and in-water target detection and classification. The models apply architectures for interpreting volumetric data to three-dimensional forward-looking sonar data. A baseline set of training data is generated using traditional image and signal processing techniques, and used to train and evaluate a machine learning model, which is further improved by additional inputs to improve both seafloor and in-water target detection. | 2020-12-03 |
20200379105 | ROBUST AND ACCURATE CLOSE RANGE DETECTION FOR ULTRANSONIC LEVEL MEASUREMENT - A pulse-echo ranging system ( | 2020-12-03 |
20200379106 | DEVICE FOR LOCATION BY ULTRASOUND - The invention relates to a device for locating a target, comprising: a generator of ultrasonic waves that can be reflected by the target; pairs of first and second sensors repeated in a first direction, the first and second sensors of each pair being arranged in a second direction different from the first direction; and a processing unit suitable for: a) for each pair of sensors, measuring the phase shift between the ultrasonic waves received by the first sensor and by the second sensor; and b) establishing that the target is found on a surface corresponding to the differences between measured phase shifts. | 2020-12-03 |
20200379107 | SCANNING SYNTHETIC APERTURE SONAR SYSTEM - A synthetic aperture sonar (SAS) system utilizes a novel timing and pointing method to illuminate and process data from multiple receive channels over one or more elevation swaths. The system further utilizes cross-track interferometry to improve accuracy of three-dimensional mapping. | 2020-12-03 |
20200379108 | AUTONOMOUS VEHICLE OPERATION USING ACOUSTIC MODALITIES - Techniques for autonomous vehicle operation using acoustic modalities include using one or more acoustic sensors of a vehicle to receive acoustic waves from one or more objects. The acoustic waves have multiple wavelengths. The acoustic waves are clustered into one or more acoustic clusters based on the plurality of wavelengths. A particular acoustic cluster of the one or more acoustic clusters is selected based on signal processing of the one or more acoustic clusters. A particular object is associated with the particular acoustic cluster. An acoustic fingerprint of the particular object is generated based on the particular acoustic cluster. Characteristics of the particular object are determined based on the acoustic fingerprint of the particular object. A control circuit of the vehicle is used to operate the vehicle to avoid a collision with the particular object based on the characteristics of the particular object. | 2020-12-03 |
20200379109 | ACTUATOR AND OBJECT DETECTING APPARATUS - An actuator comprises: a torsion spring fixed to a top yoke as a support member; a permanent magnet coupled to the torsion spring where the permanent magnet is placed with an N-pole and an S-pole thereof across a rotational axis of the torsion spring; a drive circuitry configured to apply a drive signal with periodically varying voltage or current; and a mirror unit comprising a first mirror and second minors, the first mirror being near a center of the torsion spring, and the second mirrors being around the first minor and parallel to the first mirror. A plane including a reflecting surface of the second minors is closer to the rotation axis of the torsion spring than a plane including a reflecting surface of the first mirror, and the minor unit reciprocates in accordance with application of the drive signal. | 2020-12-03 |
20200379110 | Proximity Sensor Bar For Conveyor Systems - A proximity sensor bar can be configured to sense or detect the presence or absence of objects on a conveyor system. The proximity bar can implement multiple sensor blocks for such sensing with each sensor block including one or more electronic proximity sensors and with each sensor block being spaced a predetermined distance or interval apart from one another along the bar. The proximity bar can be used on conveyor systems, such as roller conveyors in an object movement and distribution environment, with the proximity bar spanning the width of the conveyor. In such systems, the proximity bar could be mounted between adjacent rollers or below such rollers. The proximity bar can also be used on other conveyor systems, such as belted conveyors, by mounting the proximity bar above the conveyor. | 2020-12-03 |
20200379111 | OPTICAL DISTANCE MEASURING DEVICE - An optical distance measuring device includes: a light source unit; a light receiving unit that includes a plurality of light receiving elements; an addition unit that adds the number of pulse signals; a histogram generation unit that generates a histogram that records the addition value for each time of flight; a peak detection unit that determines a distance value from the time of flight corresponding to the peak; an image generation unit that generates signal intensity image data and distance image data; a low signal intensity element detection unit that detects a low signal intensity element from the elements of the signal intensity image data; and an image correction unit that corrects a distance value recorded in a target element corresponding to the low signal intensity element in accordance with a distance value of at least one other element in the elements of the distance image data. | 2020-12-03 |
20200379112 | MEASUREMENT APPARATUS AND MEASUREMENT METHOD - A measurement apparatus, including: a laser apparatus that outputs a frequency-modulated laser beam with a plurality of modes; a branching part that branches the frequency-modulated laser beam into a reference light and a measurement light; a beat signal generation part that generates a plurality of beat signals by mixing the reference light and a reflected light that is reflected by radiating the measurement light onto an object to be measured; a conversion part that converts the plurality of beat signals into digital signals by sampling the beat signals at a frequency greater than or equal to four times a resonator frequency of the laser resonator; and a calculation part that calculates a distance from the measurement apparatus to the object to be measured on the basis of the digital signals is provided. | 2020-12-03 |
20200379113 | MEASUREMENT APPARATUS AND MEASUREMENT METHOD - A measurement apparatus that includes a laser apparatus outputting a frequency-modulated laser beam, a branching part branching the frequency-modulated laser beam into a reference light and a measurement light, a beat signal generation part generating a beat signal by mixing the reference light and a reflected light that is reflected by radiating the measurement light onto an object to be measured, an extraction part extracting a signal component corresponding to a resonator frequency of the frequency-modulated laser beam, a clock signal generation part generating a first clock signal on the basis of the signal component, a conversion part converting the beat signal into a first digital signal using the first clock signal, and a calculation part calculating a difference in a propagation distance between the reference light and the measurement light on the basis of the first digital signal. | 2020-12-03 |
20200379114 | DETECTING SYSTEM FUSING LIDAR POINT CLOUD AND IMAGE - The present disclosure relates to a detecting system fusing lidar point cloud and image, which includes a laser emitting means ( | 2020-12-03 |
20200379115 | METHOD AND DEVICE FOR DRAWING REGION OUTLINE AND COMPUTER READABLE STORAGE MEDIUM - A method and device for drawing an outline of a region and a computer-readable storage medium are provided. The method includes: updating an original region outline map according to a first predetermined algorithm to obtain a first region outline map; updating the original region outline map according to a second predetermined algorithm to obtain a second region outline map; acquiring and processing first distance data obtained by a laser radar to generate a first to-be-matched outline map; comparing the first to-be-matched outline map with the first region outline map and the second region outline map, respectively; and replacing the second region outline map with the first region outline map if the similarity between the first region outline map and the first to-be-matched outline map is higher than the similarity between the second region outline map and the first to-be-matched outline map. | 2020-12-03 |
20200379116 | SYSTEM AND METHOD FOR AUTOMATICALLY GENERATING SCAN LOCATIONS FOR PERFORMING A SCAN OF AN ENVIRONMENT - Provided are embodiments including a system for automatically generating a plan of scan locations for performing a scanning operation where the system includes a storage medium that is coupled to a processor. The processor is configured to receive a map of an environment, apply a distance transform to the map, wherein the distance transform determines a path through the map, wherein the path comprises a plurality of points, and identify a set of candidate scan locations based on the path. The processor is also configured to select scan locations from the set of candidate scan locations for performing 3D scans, and perform the 3D scans of the environment based on the selected scan locations. Also provided are embodiments for a method and computer program product for automatically generating a plan of scan locations for performing a scanning operation. | 2020-12-03 |
20200379117 | APPARATUS AND METHODS FOR ALIGNING DEVICES FOR LIDAR SYSTEMS - Apparatus and methods for aligning circuit boards (e.g., for LIDAR systems) are disclosed. According to one embodiment, an electronic device comprises a secondary device and a coupling device coupled to the secondary device. The coupling device comprises a plurality of conductive members, including a first conductive member and a second conductive member. Each of the conductive members comprises a first end configured to electrically and mechanically couple to a primary circuit board and a second end electrically and mechanically coupled to the secondary device. The second end of the first conductive member is coupled to a first side of the secondary device, and the second end of the second conductive member is coupled to a second side of the secondary device. The second side of the secondary device is opposite to the first side of the secondary device. | 2020-12-03 |
20200379118 | SATELLITE FOR BROADCASTING HIGH PRECISION DATA - A low-earth orbit (LEO) satellite includes a global positioning receiver configured to receive first signaling from a first plurality of non-LEO navigation satellites. An inter-satellite transceiver is configured to send and receive inter-satellite communications with other LEO navigation satellites. At least one processor is configured to execute operational instructions that cause the at least one processor to perform operations that include: determining an orbital position of the LEO satellite based on the first signaling; and generating a navigation message based on the orbital position. A navigation signal transmitter configured to broadcast the navigation message to at least one client device, the navigation message facilitating the at least one client device to determine an enhanced position of the at least one client device based on the navigation message and further based on second signaling received from a second plurality of non-LEO navigation satellites. | 2020-12-03 |
20200379119 | POSITION DETECTION SYSTEM, SENSOR TERMINAL, AND POSITION DETECTION METHOD - A position detection method to be executed by a computer, the position detection method includes transmitting, by a sensor terminal, a signal obtained by performing capture processing on a satellite signal from a satellite of a search target according to an order of the satellites of the search targets; calculating, by a calculation device, a position of the sensor terminal based on a signal transmitted by the sensor terminal; and determining a satellite having a highest discovery probability based on a specific estimation method for second and subsequent search targets, using an index which is reflected larger as the discovery probability of other satellites is higher or lower, in a case where the first satellite is captured when a first search target is determined. | 2020-12-03 |
20200379120 | A HAND HELD DEVICE FOR LAND MANAGMENT - A hand held device for land management is described for a user of the device to provide agricultural information relating to a field, wherein the agricultural information includes information on at least one crop. A transmitter of the device transmits information including the agricultural information relating to the field. A receiver of the device receives agricultural data that includes best practices for the growing of the at least one crop. A processing unit of the device determines agricultural management information on the basis of the agricultural data. An output unit of the device outputs the agricultural management information to the user of the device. | 2020-12-03 |
20200379121 | SECURE GLOBAL NAVIGATION SATELLITE SYSTEMS - Apparatuses and methods of securing Global Navigation Satellite Systems are disclosure. In one exemplary embodiment, a mobile device may comprise: a communication interface configured to monitor signals from a plurality of satellites, a processor configured to determine impairment of one or more satellites in the plurality of satellites using the signals form the plurality of satellites, a memory configured to store a status of the determined impairment of one or more satellites in the plurality of satellites, and the communication interface that transmits the status of the determined impairment of the one or more satellites in the plurality of satellites to a server. The processor further determines a position of the mobile device using the status of the determined impairment of one or more satellites in the plurality of satellites, and stores the determined position and a corresponding digital certificate indicative of authenticity of the determined position in a memory. | 2020-12-03 |
20200379122 | Global Positioning System Spoofing Countermeasures - Concepts and technologies directed to global positioning system spoofing countermeasures are disclosed. Embodiments can include a system that comprises a processor and a memory that stores computer-executable instructions that configure a processor to perform operations that include identifying a mobile transportation equipment that includes an electronic logging device and a low-power wide area device, where the electronic logging device obtains GPS location data from a GPS receiver unit and the low-power wide area device obtains independent location data via a narrow band path of a low-power wide area network. The operations can include determining that a spatio-temporal misalignment exists between the independent location data and the GPS location data for the mobile transportation equipment, and providing spatio-temporal data alignment. The operations can include determining that a GPS spoofing attack has occurred, and creating a GPS spoofing alert for the mobile transportation equipment. | 2020-12-03 |
20200379123 | HIGH-POWER FLEXIBLE-POLARIZATION IN-ORBIT-CALIBRATION SATELLITE PAYLOAD - A system of architecture, apparatus and calibration method is invented for high-power flexible-polarization payload for satellite communications. The system comprises onboard phase-tracked apparatus, flexible polarization mechanism, and in-orbit calibration method. The power combining and polarization performance of the phase-tracked payload is monitored on ground by measuring the cross-polarization discrimination (XPD) and/or axial ratio (AR). The high performance over the life is achieved by optimization of the XPD or AR on ground and adjusting complex gain of the transponders. The high-power flexible-polarization in-orbit-calibration payload may be applied but not limited to UHF, L, S, C, X, Ku and Ka-band high power satellite systems. | 2020-12-03 |
20200379124 | DRONE DETECTION USING MULTI-SENSORY ARRAYS - A system and method for detection of an aerial drone in an environment includes a baseline of geo-mapped sensor data in a temporal and location indexed database formed by (i) using at least one sensor to receive signals from the environment and converting into digital signals for further processing; (ii) deriving time delays, object signatures, Doppler shifts, reflectivity, and/or optical characteristics from the received signals; (iii) geo-mapping the environment using GNSS and the sensor data; and (iv) logging sensor data over a time interval, for example 24 hours to 7 days. Live sensor data can be then be monitored and signature data can be derived by computing at least one parameter such as direction and signal strength. The live data is continuously or periodically compared to the baseline data to identify a variance, if any, which may be indicative of a detection event. | 2020-12-03 |
20200379125 | POWER MANAGEMENT IN WIRELESS TRACKING DEVICE OPERATING WITH RESTRICTED POWER SOURCE - A wireless tracking device operating in at least two modes to reduce power consumption and extend the operable period of the wireless tracking device. In an active mode, the wireless tracking device samples sensor signals at a higher resolution and may also actively communicate with a remote device via wireless connection. In a hibernation mode, most of the components or modules in the wireless tracking device are shut down to reduce power consumption. The wireless tracking device may switch to the active mode when a predetermine event is detected. | 2020-12-03 |
20200379126 | INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING DEVICE, AND INFORMATION PROCESSING METHOD - There is provided an information processing system including: a plurality of survey markers each including a GNSS reception unit that receives a signal from a GNSS satellite; a first position measurement unit that measures a ground position of at least one survey marker on the basis of the signals received by the plurality of survey markers; and a processing unit that detects the survey marker from a captured image captured by a UAV and including the survey marker, and associates a position of the detected survey marker in the captured image with the ground position. | 2020-12-03 |
20200379127 | METHODS, APPARATUSES, AND COMPUTER PROGRAMS FOR ESTIMATING THE HEADING OF AN AXIS OF A RIGID BODY - Methods, apparatuses and computer programs are disclosed for estimating, or at least for generating information usable to estimate, the heading of at least one axis of interest of a rigid body. Rigid body is equipped with an antenna of a navigation satellite system (NSS) receiver, and with sensor equipment comprising sensors such as a gyroscope, an angle sensor, and accelerometers, depending on the form of the invention. Rigid body is subject to a known motion comprising causing a point's horizontal position to change, the point being referred to as “point B”, while keeping another point's position, the point being referred to as “point A”, fixed relative to the Earth. Considering the motion constraint, an estimation of the heading is generated using sensor equipment data and NSS receiver data. The estimation of the heading may for example be used to estimate the position of any point of rigid body. | 2020-12-03 |
20200379128 | NEUTRINO DETECTOR DEVICE, NEUTRINO DETECTOR SYSTEM AND METHOD OF DETECTING NEUTRINOS - A neutrino detector device ( | 2020-12-03 |
20200379129 | RADIOSCOPIC APPARATUS - A radioscopic apparatus includes a controller configured or programmed to, when imaging information using the first radiation source is selected, perform control of retracting a second detector to a position in one of longitudinal ends of a table, at which the second detector does not block radiation emitted from a first radiation source, according to information about a region to be imaged of a subject included in the selected imaging information. | 2020-12-03 |
20200379130 | RADIATION IMAGING APPARATUS AND RADIATION IMAGING SYSTEM - A scintillator panel including a scintillator layer that converts incident radiation into light and a scintillator base that supports the scintillator layer, a sensor panel including a sensor substrate that is disposed on a side of the scintillator layer that is opposite to the scintillator base and has a photoelectric conversion portion that converts the light into an electric signal, and a sensor base that is disposed on the side of the sensor substrate that is opposite to the scintillator layer and supports the sensor substrate, and a sealing member that seals a gap between the scintillator panel and the sensor panel at an edge of the scintillator panel are comprised. The sensor panel is provided with a convex member for narrowing the gap at a position in a vertical direction to a surface of the sensor panel from the edge of the scintillator panel. | 2020-12-03 |
20200379131 | Low-Temperature Perovskite Scintillators and Devices With Low-Temperature Perovskite Scintillators - Disclosed embodiments include perovskite scintillators configured to be operated at a low temperature, detectors with perovskite scintillators configured to be operated at a low temperature, scanners with perovskite scintillators configured to be operated at a low temperature, methods of cooling a perovskite scintillator to a low temperature, and methods of configuring a perovskite scintillator to be operated at a low temperature. | 2020-12-03 |
20200379132 | DIGITAL X-RAY DETECTOR, DIGITAL X-RAY DETECTION DEVICE, AND MANUFACTURING METHOD THEREOF - A digital X-ray detector, a digital X-ray detection device and a manufacturing method thereof are discussed. The digital X-ray detector includes a base substrate including an active region including a plurality of pixel regions, and a gate-in-panel (GIP) region as at least one side region to the active region; a PIN diode disposed in the active region and over the base substrate; a GIP driver disposed in the GIP region and over the base substrate; and a scintillator layer disposed over the PIN diode and the GIP driver so as to overlay the active region and at least a portion of the GIP region. In the present invention, damage of the driver due to X-ray is minimized while a bezel size is minimized. | 2020-12-03 |
20200379133 | METHOD AND APPARATUS TO USE A BROAD-SPECTRUM ENERGY SOURCE TO CORRECT A NONLINEAR ENERGY RESPONSE OF A GAMMA-RAY DETECTOR - A method and apparatus are provided for positron emission imaging to calibrate energy measurements of a pixilated gamma-ray detector using energy calibration based on a calibration with a distribution energy signature (i.e., having more spectral features than just a single full-energy peak). The energy calibration can be performed using a deep learning (DL) network or a physics-based model. Using the DL network, a calibration spectrum is applied to either generate the measured-signal values of known energy values (e.g., spectral peaks for spectra of various radioactive isotopes) or the parameters of an energy-calibration function/model. | 2020-12-03 |
20200379134 | ACTIVE NEUTRON SPECTROMETER - The active neutron spectrometer ( | 2020-12-03 |
20200379135 | ANALYTICS AND MACHINE LEARNING METHOD FOR ESTIMATING PETROPHYSICAL PROPERTY VALUES - Property values inside an explored underground subsurface are determined using hybrid analytic and machine learning. A training dataset representing survey data acquired over the explored underground structure is used to obtain labels via an analytic inversion. A deep neural network model generated using the training dataset and the labels is used to predict property values corresponding to the survey data using the DNN model. | 2020-12-03 |
20200379136 | Picking Seismic Stacking Velocity Based on Structures in a Subterranean Formation - Systems and methods for picking seismic stacking velocity based on structures in a subterranean formation include: receiving seismic data representing a subterranean formation; generating semblance spectrums from the seismic data representing the subterranean formation; smoothing the semblance spectrums; and picking stacking velocities based on the smoothed semblance spectrums. | 2020-12-03 |
20200379137 | Identifying Anomalies in a Subterranean Formation Based on Seismic Attributes - Systems and methods for identifying anomalies in a subterranean formation based on seismic attributes include: receiving a seismic cube and a seismic surface, wherein the seismic cube includes traces recorded at receivers deployed to collect seismic data, and the seismic surface is picked on the seismic cube; extracting seismic wavelets with a selected length from the seismic cube along an intersection with the seismic surface for each spatial coordinate associated with the seismic surface; determining a population trend of the seismic wavelets; and generating a attribute map based on comparing each of the seismic wavelets to the population trend. | 2020-12-03 |
20200379138 | SPARSE SEISMIC DATA ACQUISITION - Embodiments herein use an acquisition vessel towing a plurality of receivers and a seismic source and a source vessel towing a seismic source to acquire seismic data corresponding to a subsurface below a bottom surface of a body of water. When activating the seismic source on the acquisition vessel, the plurality of receivers acquire survey data for a central coverage area underneath a swath defined by the plurality of receivers. However, when activating the seismic source on the source vessel, the plurality of receivers acquires survey data for a side coverage area. The embodiments herein control a separation distance between the acquisition and source vessels so that there is a gap between the central and side coverage areas resulting from activating the seismic sources towed by those vessels. This gap can reduce the cost and time required to perform the seismic survey. | 2020-12-03 |
20200379139 | APPARATUS AND METHODS FOR EVALUATING FORMATIONS - Methods and systems for delivering EOR substances and determining their efficiency in real time, or near real time, are disclosed. The systems and methods of the present disclosure are especially important in determining petrophysical information about the reservoir as well as the in-situ effect of substances on enhanced oil recovery. | 2020-12-03 |
20200379140 | Methods and Devices for Activity Monitoring in Spaces Utilizing an Array of Motion Sensors - Aspects of the present disclosure include arrays of motion sensors that may be used to monitor a space to determine occupancy characteristics of the space, such as whether or not the space is occupied and the number of people located within the space. The array of motion sensors may be operatively connected to one or more building system components, such as lighting and HVAC equipment and can be used for adjusting an operating condition of the building system component based on whether a space is occupied. | 2020-12-03 |
20200379141 | METHOD AND SYSTEM FOR PROCESSING GRAVITY AND MAGNETIC DATA IN GEOLOGICAL RESOURCE EXPLORATION - The present invention discloses a method and system for processing gravity and magnetic data in geological resource exploration. The method includes: acquiring first (i) potential field data and (ii) gradient data of an observation surface, performing upward continuation of the acquired data using a wave-number domain conversion method to obtain second and third gradient data and second potential field data, and determining third potential field data using a fourth-order explicit scheme Milne method according to the first, second, and third gradient data, and the second potential field data; calculating fourth gradient data using an ISVD method according to the third potential field data; and correcting the third potential field data using a fourth-order implicit scheme Simpson method according to the fourth gradient data, the first potential field data, and the first and second gradient data to obtain corrected third potential field data. | 2020-12-03 |
20200379142 | SYSTEM AND METHOD FOR PIPELINE MANAGEMENT - The ability to match multiple runs of inspection data to each other allows assets to be managed. Assets, such as defects in pipelines can be tracked across multiple inspection runs. The matching of defects allows the growth of defects in the pipeline to be tracked. The pipeline data system allows tracking of different assets including pipeline components, as well as managing documents including dig site reports. | 2020-12-03 |
20200379143 | TEXTURED COVER ASSEMBLIES FOR DISPLAY APPLICATIONS - Textured cover assemblies for electronic devices are disclosed. The textured cover assemblies may be placed over a display and may provide anti-glare and anti-reflection properties to the electronic device. | 2020-12-03 |
20200379144 | OPTICAL MEMBER AND METHOD FOR MANUFACTURING OPTICAL MEMBER - An optical member that has excellent antireflection properties and that can maintain antifogging properties over a long term, and a method for manufacturing an optical member are provided. The optical member includes, in sequence, a substrate, a porous layer, and a multilayered antireflection layer. The ratio n/n | 2020-12-03 |
20200379145 | PROTECTIVE FILM, AND METHOD AND APPARATUS FOR CUTTING PROTECTIVE FILM - This application provides a protective film, and a method and an apparatus for cutting a protective film, so as to improve user experience. The protective film is applicable to an electronic device having a touchscreen. The touchscreen including a first polarizer having a polarization direction. The protective film is configured to pass light emitted by the touchscreen and light reflected by a finger of a user operating the electronic device through the touchscreen. And the protective film comprises a first axis and a second axis perpendicular to the first axis direction. The first axis and the polarization direction of the first polarizer form an angle selected from a group of zero degree, 45 degrees, and 90 degrees. | 2020-12-03 |
20200379146 | LIGHT TO HEAT CONVERSION LAYER AND METHOD FOR MANUFACTURING THE SAME, AND DONOR SHEET USING THE SAME - A light to heat conversion layer which has visible light permeability, excellent near infrared absorption characteristics, and which can improve the transfer accuracy of an organic electroluminescent element using laser irradiation; and a donor sheet using the light to heat conversion layer. The light to heat conversion layer contains near infrared absorption particles and a binder component. The near infrared absorption particles are composite tungsten oxide microparticles wherein if the value for the XRD peak intensity of the face of a silicon powder standard sample (manufactured by NIST, 640c) is defined as 1, the value for the ratio of XRD peak top intensity is at least 0.13, and the light transmissivity is at least 45%. | 2020-12-03 |
20200379147 | STRAY LIGHT ABSORBING FILM - Stray light absorbing films are described. In particular, stray light films including a black substrate, and first and second sets of microstructures are described. The described films can reduce stray light reflections in sensor modules and other optical devices. | 2020-12-03 |
20200379148 | OPTICAL DIAPHRAGM DEVICE, LENS BARREL AND IMAGING DEVICE OR PROJECTION DEVICE - An optical diaphragm device includes: diaphragm blades each including a first fixing boss and a moving boss protruding from the other surface of a first planar plate toward a side in a second direction; light leakage prevention blades each having a second fixing boss and forming a pair with the diaphragm blade; a drive ring on which first cam grooves are formed; and a housing body capable of housing the diaphragm blades, the light leakage prevention blades, and the drive ring. A second cam groove is further formed in the light leakage prevention blade, the moving boss of the diaphragm blade is inserted into the second cam groove of the light leakage prevention blade, and is inserted into the first cam groove of the drive ring. The light leakage prevention blade has a light leakage prevention blade extending portion which extends toward the other side from the second fixing boss. | 2020-12-03 |
20200379149 | Method For Producing A Holographic Article - A method for manufacturing an article that records a holographic image when photographed or videotaped but otherwise not visible to the naked eye. The article, such as a basketball, includes at least a layer of polyurethane leather that is reflective and is illuminated on photographic media when imaged. The illuminated or holographic image may be seen and displayed on a digital device, such as a social media platform. | 2020-12-03 |
20200379150 | OPTICAL FILTER AND IMAGING APPARATUS - An optical ( | 2020-12-03 |
20200379151 | INTERFERENCE FILTER MODULE - An interference filter module comprises two optical fiber collimators arranged on an optical axis so as to be opposed to each other, interference filters, and a casing including a main body portion and filter holding portions to be mounted into the main body portion, which are configured to hold the interference filters. Two interference filters including a kth filter when counted from a front end and a k-th filter when counted from a rear end are determined as a k-th set. The two interference filters of the k-th set are accommodated in two filter holding portions, each of which is a k-th holding portion when counted from the front end and the rear end, respectively. The two filter holding portions have rotation axes in directions orthogonal to a fore-and-aft direction and are rotatably held by the casing. The rotation axes of the filter holding portions are orthogonal to each other. | 2020-12-03 |
20200379152 | COMBINATION STRUCTURES AND OPTICAL FILTERS AND IMAGE SENSORS AND CAMERA MODULES AND ELECTRONIC DEVICES - Disclosed are a combination structure including a nanostructure array including a plurality of nanostructures with a smaller dimension than the near-infrared wavelength are repeatedly arranged and a light absorption portion adjacent to the nanostructure array and including a near-infrared absorbing material configured to absorb light in at least a portion of near-infrared wavelength regions, an optical filter, an image sensor, a camera module, and an electronic device including the same. | 2020-12-03 |
20200379153 | HEAT-RAY-TRANSMISSION-CONTROLLABLE, LIGHT-TRANSMISSIVE BASE MATERIAL AND LIGHT-TRANSMISSIVE BASE MATERIAL UNIT - A heat-ray-transmission-controllable, light-transmissive base material is provided that includes a light-transmissive insolation-cutting unit configured to control transmission of light in at least a part of wavelength regions among wavelength regions of visible light and near-infrared light; and a transparent conductive oxide layer disposed over the light-transmissive insolation-cutting unit, containing a transparent conductive oxide. | 2020-12-03 |
20200379154 | OPTICAL FILM DEVICE - A reflective polarizing imaging lens includes at least one optical film having an active area that is curved in two orthogonal directions. Edges of the optical film are arranged to form seams between segments of the optical film in the active area of the reflective polarizing imaging lens. | 2020-12-03 |
20200379155 | POLARIZATION COMPENSATOR FOR TILTED SURFACES - In polarization-based optical systems, preserving a state-of-polarization (SOP) over a prescribed range of incidence angles and wavelengths may be necessary. Optical materials with local normal tilted with respect to an incident ray can introduce an undesirable polarization nonuniformity that can be substantially corrected using a compensator as disclosed herein. The compensator may include a uniaxial retarder and a z-partial polarizer (ZPP). The ZPP may include a uniaxial material with an absorption axis normal to the substrate. | 2020-12-03 |
20200379156 | ILLUMINATION SYSTEMS FOR LIGHT DIFFUSING OPTICAL FIBERS - An illumination system ( | 2020-12-03 |
20200379157 | BACKLIGHT ASSEMBLY, A DISPLAY DEVICE AND A DRIVING METHOD THEREOF - Disclosed includes a backlight assembly, a display device including such a backlight assembly and a method of obtaining backlight. The backlight assembly may comprise a light guide, a first grating on a first surface of the light guide and a light direction adjuster on a side of the first grating away from the light guide. The first grating may have a diffraction direction slanted relative to a thickness direction of the light guide and the light direction adjuster may be configured to change diffractive light coming from the first grating to a target direction. | 2020-12-03 |
20200379158 | WAVEGUIDE DISPLAY AND DISPLAY ELEMENT WITH NOVEL GRATING CONFIGURATION - The invention concerns a waveguide display and display element therefor, and a method of designing a waveguide element. The element comprises a waveguide and at least one grating arranged on or within the waveguide, the at least one grating being arranged to couple visible light into, within, and/or out of the waveguide. According to the invention, the period of the grating is in the range of 5 μm or more. The invention increases freedoms of design of grating-based display elements and allows for better color and FOV control. | 2020-12-03 |
20200379159 | BACKLIGHT MODULE - A backlight module including a light guide plate, a light source, an optical film, a first prism sheet and a second prism sheet is provided. The light guide plate has a light incident surface and a light emitting surface. The light source is disposed on a side of the light incident surface. The optical film is overlapped with the light emitting surface and includes a substrate, a plurality of optical microstructures and a first diffusion structure layer. The optical microstructures are disposed on a light incident side of the substrate. An extending direction of the optical microstructures intersects with the light incident surface. The first diffusion structure layer is disposed on a light emitting side of the substrate and is overlapped with the optical microstructures. The first prism sheet and the second prism sheet are overlapped with the optical film and are positioned on the light emitting side. | 2020-12-03 |
20200379160 | BACKLIGHT MODULE AND DISPLAY DEVICE - The present disclosure provides a backlight module and a display device. The backlight module includes a tight source layer, a light guiding layer and a dotted layer, a plurality of light emitting units is arranged on the light source layer; a plurality of reflective prism units is arranged on one side of the light guiding layer away from the light source layer, and positions of the plurality of reflective prism units are corresponding to the plurality of light emitting units respectively; the reflective prism unit is configured to reflect a light emitted by the light emitting unit into the light guiding layer and cause total reflection of the reflected light within the light guiding layer; and an optical structure for extracting light from the light guiding layer is provided with the dotted layer. | 2020-12-03 |
20200379161 | LIGHTING CONTROL CONSOLE HAVING A SLIDE CONTROL - The invention relates to a lighting control console ( | 2020-12-03 |
20200379162 | BACKLIGHT MODULE AND DISPLAY APPARATUS - A backlight module including a light guide plate, a light source, an optical film, a first prism sheet and a second prism sheet is provided. The light guide plate has a light incident surface and a light emitting surface connected to each other. The light source is disposed on a side of the light incident surface. The optical film is overlapped with the light emitting surface and has a plurality of optical microstructures facing the light emitting surface. An angle between the extending direction of the optical microstructures and the light incident surface is 90 degrees or between 45 degrees and 90 degrees. The first prism sheet and the second prism sheet are overlapped with the optical film and are positioned on a side of the optical film being far away from the light guide plate. A display apparatus adopting the backlight module is also provided. | 2020-12-03 |
20200379163 | DISPLAY PANEL AND DISPLAY DEVICE - The present disclosure relates to a display panel and a display device. The display panel includes: a beam splitting member disposed between a light extracting member and a liquid crystal layer, for splitting the light extracted from the light extracting member into linearly polarized lights with polarization directions perpendicular to each other; and a modulating member disposed on a side of the beam splitting member away from the light extracting member, for modulating the linearly polarized light that is incident from the beam splitting member into the liquid crystal layer. | 2020-12-03 |
20200379164 | OPTICAL COOLING SYSTEM - An optical system including first and second optical elements for guiding light therein. For each optical element, the propagating light enters or exits the optical element through a coupling surface of the optical element. The coupling surfaces of the optical elements face, and align with, each other so that light propagating in one of the optical elements exits the optical element through the coupling surface of the optical element and enters the other optical element through the coupling surface of the other optical element. The coupling surfaces are separated from each other and define a region therebetween. The region is filled with a coolant, the coolant substantially surrounding at least one of the first and second optical elements. | 2020-12-03 |
20200379165 | LIGHT EMITTING MODULE AND METHOD OF MANUFACTURING SAME - A light emitting module includes a light guide plate including a first face, a second face opposing the first face, and a through part penetrating between the first face and the second face, a light emitting device disposed in the through part on a second face side, a light transmissive member disposed on the light emitting device in the through hole on a first face side and between the light emitting device and a lateral wall of the through part, and a first light reflecting member disposed between an upper face of the light emitting device and the light transmissive member while being in contact with the upper face of the light emitting device. | 2020-12-03 |
20200379166 | METHOD FOR FORMING THERMAL-RESPONSIVE FIBERS - A method includes drawing a fiber from a set of substances that includes an elastomer having a first thermal expansion coefficient. The set of substances also includes a glassy polymer having a second thermal expansion coefficient that is higher than the first thermal expansion coefficient. The method also includes extending and then releasing, under ambient temperature conditions, the fiber to increase elastic responsiveness of the fiber to thermal actuation. | 2020-12-03 |
20200379167 | HIGH BACKSCATTERING WAVEGUIDES - A high backscattering optical fiber comprising a perturbed segment in which the perturbed segment reflects a relative power such that the optical fiber has an effective index of n | 2020-12-03 |
20200379168 | MULTI-CORE FIBERS AND METHOD OF MANUFACTURING THE SAME, AND OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD - A multi-core fiber includes: a plurality of cores; and a cladding portion formed around outer peripheries of the cores. Further, the cores each have a propagation characteristic conforming to any one of a plurality of standards for optical propagation characteristics, and of the cores, cores that are closest to each other conform to standards different from each other. | 2020-12-03 |
20200379169 | MODE CONTROLLER - Provided is a mode controller which includes an optical fiber coupled body and at least one pair of bobbins, and the mode controller is configured so that: the one pair of bobbins includes two bobbins arranged, spaced from one another; the optical fiber coupled body includes a step-index fiber and a graded-index fiber, which are coupled with each other; the step-index fiber and/or the graded-index fiber is/are wound around the at least one pair of bobbins, and twisted to form a helical area(s); light is launched into the step-index fiber, propagates through the step-index fiber, is emitted from the step-index fiber, and is launched into the graded-index fiber; propagation mode of the light is converted to an equilibrium mode distribution during the propagation of the light through the step-index fiber; and the propagation mode of the light launched into the graded-index fiber is converted to a low-order mode. | 2020-12-03 |
20200379170 | OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER - A method for manufacturing an optical fiber includes: exposing a glass fiber by stripping a fiber coating layer at an end portion, on a splicing side, of each of a pair of optical fibers; fusion-splicing the glass fibers; and recoating a protective resin on a periphery of exposed portions of the glass fibers. The fiber coating layer includes a primary resin layer on an inner peripheral side and having a Young's modulus of 0.5 MPa or less and a secondary resin layer on an outer peripheral side and having a Young's modulus of 800 MPa or greater, the exposing includes forming a shape of a coating edge of the fiber coating layer which includes the primary resin layer and the secondary resin layer into a tapered shape which becomes narrower toward the end portion side, and the recoating includes coating the protective resin to include the coating edge. | 2020-12-03 |
20200379171 | SYSTEMS AND METHODS FOR QUANTUM COMMUNICATION USING OPTICAL FIBER LINKS HAVING A SCATTERING REGION - A quantum communication system that includes a multiphoton entanglement generator, a plurality of photon detector units, and a plurality of optical fiber links. The plurality of photon detector units include a first photon detector unit and a second photon detector unit. The multiphoton entanglement generator is structurally configured to output more than two entangled photons. The plurality of optical fiber links comprise a first optical fiber link optically coupled to the multiphoton entanglement generator and disposed between the multiphoton entanglement generator and the first photon detector unit. The plurality of optical fiber links comprise a second optical fiber link optically coupled to the multiphoton entanglement generator and disposed between the multiphoton entanglement generator and the second photon detector unit. Further, at least one of the plurality of optical fiber links has a core, a cladding, and a scattering region having a plurality of scattering structures. | 2020-12-03 |
20200379172 | Photonics Fabrication Process Performance Improvement - A plurality of waveguide structures are formed in at least one silicon layer of a first member. The first member includes: a first surface of a first silicon dioxide layer that is attached to a second member that consists essentially of an optically transmissive material having a thermal conductivity less than about 50 W/(m·K), and a second surface of material that was deposited over at least some of the plurality of waveguide structures. An array of phase shifters is formed in one or more layers of the first member. An array of temperature controlling elements are in proximity to the array of phase shifters. | 2020-12-03 |
20200379173 | FABRICATING PHOTONICS STRUCTURE LIGHT SIGNAL TRANSMISSION REGIONS - There is set forth herein a method including depositing a layer formed of barrier material over a conductive material formation of a photonics structure; and removing material of the layer in a light signal transmitting region of the photonics structure. In one embodiment the barrier material can include silicon carbon nitride. In one embodiment the barrier material can include silicon nitride. | 2020-12-03 |
20200379174 | Monolithically Integrated Gain Element - A photonic integrated circuit including a photonic device and a gain element, said gain element formed by a process including: depositing by epitaxy a first doped layer onto a substrate; depositing by epitaxy an active layer capable of optical gain onto the first doped layer; depositing by epitaxy a second doped layer onto the active layer; pattern etching at least the second doped layer and the active layer to form a first ridge; and depositing by epitaxy a current blocking layer laterally adjacent to the first ridge at least partially filling the volume of active layer that was removed by the pattern etching; wherein the current blocking layer forms a portion of the photonic device. | 2020-12-03 |
20200379175 | HIGH-THROUGHPUT MANUFACTURING OF PHOTONIC INTEGRATED CIRCUIT (PIC) WAVEGUIDES USING MULTIPLE EXPOSURES - In accordance with a method of forming a waveguide in a polymer film disposed on a substrate, a plurality of regions on a polymer film are selectively exposed to a first dosage of radiation. The polymer film is formed from a material having a refractive index that decreases by exposure to the radiation and subsequent heating. At least one region of the polymer film that was not previously exposed to the radiation is selectively exposing to a second dosage of radiation. The second dosage of radiation is less than the first dosage of radiation. The polymer film is heated to complete curing of the polymer film. | 2020-12-03 |
20200379176 | SPLICE ASSEMBLY FOR FIBER OPTIC CABLE - A splice assembly for a fiber optic cable that has first and second fiber optic cable sections. The splice includes a filament alignment member configured to align an end portion of a first filament section of the first fiber optic cable section with an opposed end portion of a second filament section of the second fiber optic cable section; a first spring positioned adjacent the first end of the filament alignment member; a second spring positioned adjacent the second end of the filament alignment member; and a housing having a passage in which the first spring, filament alignment member and second spring are longitudinally positioned. The filament alignment member is longitudinally moveable relative to the housing by compression of one of the springs in a direction of travel of the filament alignment member against a corresponding stop feature. | 2020-12-03 |
20200379177 | MULTI-FIBER CONNECTOR FIBER-OPTIC MEASUREMENT DEVICE AND METHOD - A multi-fiber connector fiber-optic measurement device identifies a polarity type and measures an optical power of a multi-fiber connector fiber-optic patch cord. The device includes: a beam splitter that splits light from the multi-fiber connector fiber-optic patch cord into a plurality of lights; a first optical sensor that receives one of the lights split by the beam splitter and outputs a first signal according to the received light; a second optical sensor that receives another of the lights split by the beam splitter and outputs a second signal according to the received light; and a signal processor that calculates the optical power based on the first signal and identifies the polarity type based on the second signal. | 2020-12-03 |
20200379178 | POLARIZATION-SPLITTING GRANTING COUPLER (PSGC) INTEGRATED OPTOELECTRONIC OR OPTICAL DEVICE - An integrated optoelectronic or optical device is formed by a polarization-splitting grating coupler including two optical waveguides, a common optical coupler and flared optical transitions between the optical coupler and the optical waveguides. The optical coupler is configured for supporting input/output of optical waves. A first region of the optical coupler lies at a distance from the flared optical transitions. The first region includes a first recessed pattern. Second regions of the optical coupler lie between the first region and the flared optical transitions, respectively, in an adjoining relationship. The second regions include a second recessed pattern different from the first recessed pattern. | 2020-12-03 |
20200379179 | WAVELENGTH SELECTIVE FILTER - In a wavelength selective filter, an optical fiber collimator, an interference filter, and a reflective plate are arranged in this order from front to rear along a z-axis. The collimator has a collimator lens disposed on the rear side of an optical fiber that is opened. The interference filter includes light incident and emitting surfaces, opposed with their xy-planes rotated about a y-axis at a predetermined rotation angle. The reflective plate has a front reflective surface having a normal direction along a z-axis direction, and reflects, toward the front, light incident from the front through the interference filter, to be incident onto the interference filter. The optical fiber collimator causes the input light propagating through the optical fiber from the front to be incident onto the interference filter, and converges the reflected light transmitted through the interference filter to the optical fiber and outputs the light. | 2020-12-03 |
20200379180 | WAVELENGTH CONVERSION DEVICE AND METHOD OF PERFORMING WAVELENGTH CONVERSION - A method includes multiplexing signal light of first polarization and excitation light, and multiplexing signal light of second polarization, which is perpendicular to the first polarization, and the excitation light, modulating the signal light of the first polarization before the wavelength conversion, and reducing a modulation component in signal light after wavelength conversion, modulating the signal light of the second polarization before the wavelength conversion, and reducing the modulation component in the signal light after the wavelength conversion, and multiplexing the signal light of the first polarization after the wavelength conversion and the signal light of the second polarization after the wavelength conversion. | 2020-12-03 |
20200379181 | OPTICAL DEMULTIPLEXER, OPTICAL TRANSPORT APPARATUS, AND METHOD OF CONTROLLING OPTICAL DEMULTIPLEXING - An optical demultiplexer is disclosed that separates light including a plurality of wavelengths into light of respective wavelengths. Unit circuits are cascaded in a tree structure. In optical demultiplexer components having the same structure, a combination of arm length differences in waveguide pairs is the same with respect to the N−1 Asymmetric Mach-Zehnder interferometers in which the phase shifters are arranged, where N equals number of 2×2 couplers. In three of the optical demultiplexer components in at least one of the unit circuits, N is three or more. Each of control circuits controls the phase shifters arranged in a corresponding optical demultiplexer component of a corresponding unit circuit in order to increase or decrease a value of a function having, as an argument, a power value acquired by a monitor from among monitors arranged at four optical waveguides at an output side of the corresponding unit circuit. | 2020-12-03 |
20200379182 | PRECISION TFF POSA AND WDM SYSTEMS USING PARALLEL FIBER INTERFACE DEVICES - The precision TFF POSA is formed by pressing a TFF glass rod array into a top surface of a master glass block to flatten the otherwise curved TFFs formed using conventional TFF deposition processes on glass. The TFF glass rod array is secured to the master glass block with a securing material to form a fabrication structure, which is singulated to form precision TFF POSAs having TFF members with flat TFFs and long TFF member long axes. A fiber interface device is arranged at a back surface of the TFF POSA. Other fiber interface devices having device axes are arranged proximate the TFF members. The device axes are parallel to the TFF member long axes to form a WDM system with a parallel configuration. In this configuration, there is one positionally adjustable fiber interface device for each wavelength channel, which allows for optimizing WDM optical communication in Mux and DeMux directions. | 2020-12-03 |
20200379183 | FANOUT OPTICAL ASSEMBLY - An optical fiber connection apparatus is disclosed, including a first housing having first receptacle portion receiving and fixating first optical fiber bundle connecting to first optical module on the outside, and a first lens member changing shape or direction of optical signal received from the first optical module and transmitting changed optical signal to the outside or changing shape or direction of optical signal received from the outside and thereby transmitting changed optical signal to the first optical module, and further including a second housing having second receptacle portion receiving and fixating a second optical fiber bundle connecting to a second optical module on the outside, and a second lens member changing shape or direction of optical signal received from the second optical module and thereby transmitting changed optical signal or changing shape or direction of optical signal received from the outside and thereby transmitting changed optical signal to the second optical module. | 2020-12-03 |
20200379184 | IMAGEABLE OVERCOAT FOR AN OPTICAL WAVEGUIDE AND PROCESS FOR MAKING THE SAME - An imaging waveguide for a visual display includes a substrate for guiding image light therein by total internal reflection (TIR). An input grating is supported by the substrate for coupling the image light into the imaging waveguide. An output grating is supported by the substrate and spaced apart from the input grating for coupling the image light guided in the substrate out of the imaging waveguide for observation by a user. A gap filling overcoat is formed on and within the output grating, but not on or within the input grating. The material is characterized by a refractive index between 1.40 and 1.80 at 500 nm, absorption between 0% and 1% in the visible region of the electromagnetic spectrum, and % haze between 0% and 0.2% in the visible region of the electromagnetic spectrum. | 2020-12-03 |
20200379185 | Large Scale Steerable Coherent Optical Switched Arrays - Aspects of the present disclosure describe large scale steerable optical switched arrays that may be fabricated on a common substrate including many thousands or more emitters that may be arranged in a curved pattern at the focal plane of a lens thereby allowing the directional control of emitted light and selective reception of reflected light suitable for use in imaging, ranging, and sensing applications including accident avoidance. | 2020-12-03 |
20200379186 | ALIGNMENT GUIDE FOR INSPECTING A FIBER OPTIC END FACE - An optical fiber inspection system may include an alignment guide having a sleeve portion and a mechanical key structure. The sleeve portion may comprise a first opening arranged to be proximal to one or more optical components in an inspection device and a second opening arranged to be distal to the one or more optical components when the alignment guide is removably engaged with the inspection device. The mechanical key structure may be located adjacent to the second opening and have a shape to engage a geometry of one or more recesses in a bulkhead. Accordingly, the alignment guide may stabilize the inspection device at a particular angle relative to an end face of an object in a field of view of the one or more optical components when a shaft of the inspection device is inserted into the bulkhead. | 2020-12-03 |
20200379187 | CONNECTION DEVICE, OPTICAL CONNECTOR MANUFACTURING DEVICE, CONNECTION METHOD, AND METHOD FOR MANUFACTURING OPTICAL CONNECTOR - According to the connection device, the connection method, the optical connector manufacturing device, and the method for manufacturing an optical connector, rotation alignment of an MCF becomes unnecessary because an image of an end surface of the MCF to be connected is captured, the position of the core is located, and an optical waveguide is formed on a substrate so as to match the position. Thus, it is possible to solve the problem of increasing loss or complex connection work caused by rotational misalignment in association with rotation alignment. | 2020-12-03 |
20200379188 | FLOATING CONNECTOR ASSEMBLY - An electronic device includes a housing having a front wall and a floating connector assembly coupled to the front wall. The connector assembly includes a panel and a connector. The connector includes a frame attached to the panel and defines first and second alignment openings. A sleeve extends from the frame and extends through the front wall. A removable cover for the electronic device includes first and second connector alignment pins that align with the first and second alignment openings to align the connector sleeve with a connector aperture defined by the cover. The first and second connector alignment pins and the first and second alignment openings can each include tapered portions to move the connector assembly into alignment with the connector aperture as the cover is attached with the housing. | 2020-12-03 |
20200379189 | OPTICAL FIBER COUPLING APPARATUSES, SYSTEMS, AND METHODS - The present disclosure relates to optical fiber coupling systems and methods of coupling optical fibers across and with a magnetic field. | 2020-12-03 |
20200379190 | Adapter to Jacketed Fiber Interface - An interface provides protection and support for transitioning a jacketed fiber optic cable. The interface has a crimp body, a transition portion and a front end to receive an adapter. The interface preferably has a main body with two pieces that are identical. The two pieces have tabs and recesses corresponding to the tabs for alignment and structure. The main body also may have an opening for an adapter latch. A crimp band fits over the crimp body to secure the jacketed fiber optic cable to the interface. | 2020-12-03 |
20200379191 | OPTICAL CONNECTOR - An optical connector includes an optical fiber, a ferrule provided at an end portion of the optical fiber, a plug housing in which the ferrule is accommodated, a lock arm provided on the plug housing and holding the plug housing and the mating housing in a fitted state, a holder assembled to the plug housing to hold the ferrule in the plug housing, and a holder protrusion provided on the holder and pressed by the lock arm which is flexibly deformed in an unlocking direction by a predetermined amount or more so that the holder is displaced in a direction of releasing the ferrule from being held by the holder. | 2020-12-03 |
20200379192 | FIBER OPTIC CONNECTOR ASSEMBLIES WITH CABLE BOOT RELEASE - Connector assemblies are described herein. For example, a connector assembly including: a housing configured to accept a first ferrule and a second ferrule. The connector assembly may also have a push/pull clip that is configure to depress a protrusion that rotates down a connector device to remove the connector assembly from an adapter. The push/pull clip is integrated with a cable boot assembly that allows a user to apply a distal force to remove or insert the connector assembly into the adapter housing. The push/pull clip is configured for use to release a MPO and LC connector type from an adapter. | 2020-12-03 |
20200379193 | Optical Module - An optical module using an optical assembly for optical transmission and reception is disclosed. At least one embodiment of the present disclosure provides an optical module which can improve the productivity by enabling efficient optical alignment and optical coupling between optical devices and optical fibers in an optical transmission-reception module using a plurality of optical fibers while increasing the data transfer rate per unit module. | 2020-12-03 |