Abstract: Systems (100) and methods (1200) for recoil absorption. The methods comprising: causing a moving carrier (102) to freely travel linearly in a first direction by discharging at least one recoil producing device (110-114); absorbing an impulse force resulting from discharging the recoil producing device using a spring (122, 124) having a first end coupled to the moving carrier and a second end (130) coupled to a fixed frame member (132); and applying a pulling force by the spring to the moving carrier in a second direction opposed from the first direction at an end of spring travel, whereby a uni-directional force transfer mechanism (610) is caused to engage an elongate latching element so as to latch the moving carrier in position and prevent the moving carrier from freely traveling in the second direction.

Abstract: An intelligent target comprising a target body suspended from a support structure, at least one sensor affixed to the target body that detects a hit in an area of the target body, a controller, in communication with each sensor, that records the hits detected by the sensor and the area of the target body that was hit and issues a release command when a predetermined number of hits has been reached, and a release mechanism operatively connected with the controller and which releases the target body and allows the body to fall from the support structure on receipt of the release command from the controller.

Abstract: One embodiment of the present invention provides a polymeric ammunition having a metal injection molded primer insert.

Abstract: A toy projectile and method of making the toy projectile is provided herein. The toy projectile having: an elongated dart body secured to a tip assembly, the tip assembly comprising: a tip insert secured to a forward end of the elongated dart body and a tip secured to the tip insert, wherein the tip comprises a styrene ethylene butylene styrene copolymer (SEBS rubber) tip.

Abstract: An arrowhead exhibiting a flexible shaft allowing the arrowhead to deform around resistant target material, further allowing the blades to alternately deploy and fold based on the resistance of the target material.

Abstract: A munition having a warhead and an ogive coaxially rotatably mounted to the warhead. A controllable motor is mechanically coupled to the ogive to control the rotational position of the ogive relative to the warhead. The ogive includes an asymmetric surface while a windscreen is detachably connected to the ogive over the asymmetric surface so that, with the windscreen attached to the ogive, the outer surface of the ogive together with the windscreen are axisymmetric in shape. A detachment mechanism, when activated, detaches the windscreen from the ogive which permits steering of the munition by placement of the asymmetric surface relative to the warhead. The introduction of the asymmetric surface during flight produces an asymmetric pressure field resulting in a lateral force on the munition causing is to change direction.

Abstract: A new form of missile, for implantation of an actuator within a wall or building, is provided. In some aspects of the invention, the missile comprises an enclosed actuator, deployed upon successful implantation of the missile in a target wall. Preferably, the missile comprises stops and piercing grips to secure the missile within the target wall, and encourage the proper degree of penetration and a mounting position enabling the deployment of the actuator(s) comprised within the missile. In some embodiments, the actuator can be remotely actuated by control system and user commands.

Abstract: One embodiment of the present invention provides a method of making a polymeric ammunition cartridge having a substantially cylindrical metal primer insert, a substantially cylindrical polymeric middle body coupled to a substantially cylindrical open-ended polymeric bullet-end component.

Abstract: A detonator which, in response to a command, uses a first modulation process to generate a first signal and, in response to an event, uses a second modulation process to generate a second signal.

Abstract: The detonation of one or more explosive charges and propellant charges by a detonator in response to a fire control signal from a command and control system comprised of a command center and instrumentation center with a communications link therebetween. The fire control signal is selectively provided to the detonator from the instrumentation center if plural detonation control switches at the command center are in a fire authorization status, and instruments, and one or more interlocks, if included, are in a ready for firing status. The instrumentation and command centers are desirably mobile, such as being respective vehicles.

Abstract: An apparatus, method and insulation medium for inserting and insulating a charge medium within a borehole includes a charge tube comprised of an elongate tube having a length and diameter sufficient for containing a desired quantity of a charge medium. A charge medium in a pumpable form is provided for substantially filling the charge tube. An insulation medium in a pumpable form is provided for substantially encapsulating the charge tube and substantially filling an annular space between the charge tube and the borehole for insulating the charge tube from a downhole environment in which the charge tube is to be inserted. The apparatus, methods and insulating medium can also be used for the improvement and repair of underground liners and installations and for improved treatment of mining and hazardous waste.

Abstract: Compositions containing an explosive material in the form of a cocrystal are detonated for use in munitions, propellants, and demolition. A composition contains 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL-20 or HNIW) and at least one energetic material. Energetic materials include 2,4,6-trinitrotoluene (TNT), and 1,3,5,7-tetranitro-1,3,5,7-tetrazocane (HMX).

Abstract: A method for automated part probing using a physical machine defining a physical working volume, the method including: generating a virtual model based on a virtual part design received from a user account, the virtual model comprising a virtual part model, based on the virtual part design, virtually fixed to a virtual fixture plate arranged within a virtual working volume representative of the physical working volume; generating a probing routine based on the virtual model; sending the probing routine to the machine; receiving probe outputs from the machine; and validating the virtual model based on the probe outputs.

Abstract: The invention relates to a measuring roller for a device for measuring a fiber composite (2), in particular on a draw frame, a carding engine or a comber, made of a material of low thermal expansion (3) and having a surface coating (4), whereas the measuring roller (1) features a shell surface (5) for damping a fiber composite (6) along with a rotary axis (7). In accordance with the invention, the shell surface (5) of the measuring roller (1) features a structure forming an air buffer, made of grooves (8), boreholes (9) and/or spherical projections (18).

Abstract: A small sealing gauge may include a body that is attached to a site to be measured, a lever that linearly moves by contact with a moving part while moving in a state of being inserted into a hole of the body, and a dial gauge that is inserted to a back side of the hole in the body to measure an amount of movement of the lever through contact with the lever.

Abstract: Techniques are described herein for determining the distance from, to or between radiating objects in a multipath environment. For example, embodiments of the present disclosure describe techniques for determining the distance between an antenna array system (or wireless charger) and a wireless power receiver in a multipath wireless power delivery environment. Calibration techniques are disclosed that account for and/or otherwise quantify the multipath effects of the wireless power delivery environment. In some embodiment, the quantified multipath effects modify the Friis transmission equation, thereby facilitating the distance determination in multipath environments.

Abstract: Disclosed is an apparatus including an elongated structure extending between a first end and a second end. The elongated structure is compliant material that is flexible and bendable from a linear, non-bent position to multiple bendable positions and is an elastomer based material. The apparatus also includes a compliant capacitor. The compliant capacitor includes a first conductive filler embedded within and extending from the first end to the second end along a longitudinal length of the elongated structure to form a first electrode of the compliant capacitor. The compliant capacitor also includes a second conductive filler embedded within and extending from the first end to the second end along the longitudinal length to form a second electrode of the compliant capacitor. The first conductive filler and the second conductive filler extend linearly in separate planes that are parallel relative to one another throughout the elongated structure from the first end to the second end.

Abstract: Aspects of the present disclosure relate to a method that includes receiving, at first and second input terminals, first and second input voltages and maintaining the direction of the first and second input voltages and doubling the first and second input voltages. The method also includes measuring, by a Wheatstone bridge, an applied physical parameter; outputting, to a capacitor, and to first and second operational amplifiers, first and second signals substantially indicative of the physical parameter; reducing, by the capacitor, a DC component of the first and second signals; amplifying, by the first and second operational amplifiers, the first and second signals; and adjusting, by a gain resistor, a differential output between first and second output voltages that correspond to the first and second signals output from the Wheatstone bridge. Finally, the method includes outputting, by first and second output terminals, the first and second output voltages.

Abstract: An interferometer includes a light source, a beam splitter, a reference reflector, a measuring reflector, a detection unit, and at least two transparent plane-parallel plates. The beam splitter splits a beam of rays into at least one measuring beam and at least one reference beam. Until being recombined, the measuring beam propagates in a measuring arm, and the reference beam propagates in a reference arm. The reference beam falls at least three times on the reference reflector located in the reference arm. The measuring reflector is disposed in the measuring arm and is joined to an object to be measured, which is movable along a measuring direction relative to the reference reflector. The measuring beam falls at least three times on the measuring reflector. At least one distance signal with regard to the position of the object to be measured is ascertainable from the interfering measuring and reference beams via the detection unit.

Abstract: Some embodiments of the invention include a coordinate measuring device, in particular a laser tracker, for capturing the position and alignment of a measuring aid, which is movable in space and comprises a retroreflector. In some embodiments, the coordinate measuring device may include at least a support fastened on a base so it is rotatable about a first axis of rotation; a beam deflection unit fastened on the support so it is rotatable about a second axis of rotation, which is essentially orthogonal to the first axis of rotation, a first bearing for the rotatable mounting of the beam deflection unit on the support, and a second bearing for the rotatable mounting of the support on the base.

Abstract: The present disclosure is generally directed to methods and systems for measuring the thickness of coatings or thin films on various substrates. For example, one disclosed method includes the steps of providing and directing light waves of varying wavelengths toward a moving substrate comprising a coating, linearly polarizing the light waves, converting the linearly polarized light waves to circularly polarized light waves, analyzing elliptically polarized light waves reflected by the moving substrate, capturing analyzed light waves, generating light wave data based on the captured light waves, and determining a thickness of the coating based on the light wave data.

Abstract: The method for processing signals originating for example from several proximity sensors for the recognition of a movement of an object, comprises first respective samplings of the said signals delivered by the sensors so as to obtain a first set of first date-stamped samples, the generation, from the first set of first date-stamped samples, of new sampling times comprising a start of movement time, an end of movement time, and times regularly spaced between the start of movement time and the end of movement time, a re-sampling of the signal delivered by each sensor between the start of movement time and the end of movement time at the said new sampling times using the first samples, in such a manner as to generate a second set of second date-stamped samples, and a processing of the said second set of date-stamped samples by a movement recognition algorithm.

Abstract: This disclosure relates to methods of evaluating the shape of a gemstone, such as a diamond, ruby, emerald, or sapphire. Also provided are methods of identifying gemstone shape.

Abstract: This application relates to determining uniformity of a housing for a computing device based on characteristics of a reflected pattern of light incident upon the housing. The reflected pattern of light can include an array of shapes such as dots whose orientation and location can provide indications of uniformity for the housing. The array of shapes are analyzed to determine certain geometric properties such as area for each shape in the array of shapes. The geometric properties can thereafter be compared to a predetermined geometric, threshold, or tolerance value, and each shape can be assigned a rank of uniformity. Once a rank of uniformity is defined for each shape, a compilation of uniformity values can be generated and used to find portions on the housing where the housing is not uniform or flat.

Abstract: A measurement device for the three-dimensional optical measurement of objects with a topometric sensor includes at least one projection unit for projecting a pattern onto an object and at least one image recording unit for recording the pattern that is scattered back from the object. The projection unit has a laser-light source and a pattern generator to which the laser light radiation from the laser-light source can be supplied. The laser-light source has at least one multi-laser-chip device having a plurality of laser diode chips in a common multi-laser-chip package, wherein the laser diode chips are attached to a mounting surface of the multi-laser-chip package and are in thermal communication with the multi-laser-chip package via the mounting surface.

Abstract: A method and apparatus are provided for forming a wireless communications network using a standard communications link between a master controller and at least one slave device. In one example, a list of available slave devices for the network is generated, valid slave devices are determined from the list of available slave devices based on an identification protocol of the standard communications link, and the at least one slave device is selected from the valid slave devices. A network identification is established between the master controller and the at least one slave device, and the network identification is used to establish a network comprising only the master controller and the at least one slave device.

Abstract: Methods and systems for evaluating the quality of a location-determination algorithm of a mobile device are described. An example method may involve receiving a log of sensor data that may include sensor values output by given sensors of a mobile device over a time period, and at least one location estimate for at least one respective point in time within the time period. One or more processors may then determine, using the sensor values, an estimated trajectory that includes a plurality of computed ground-truth locations of the mobile device over the time period. Further, the method may involve determining a difference between a given location estimate and a computed ground-truth location of the plurality of computed ground-truth locations. And the method may involve providing an output indicative of whether the determined difference satisfies a predetermined threshold.

Abstract: A system includes one or more processors, and data storage configured to store instructions that, when executed by the one or more processors, cause the system to perform functions. In one example, the functions include receiving logs of data, wherein respective data in the received logs of data are collected by one or more sensors of a device over one or more locations and over a time period. In the present example, the functions also include determining location estimates of the device by performing a simultaneous localization and mapping (SLAM) optimization of the location estimates using barometer data and GPS elevational data available in the logs of data, wherein the location estimates indicate elevational locations of the device over the time period.

Abstract: An alignment assembly for a rotating thermal sprayer may include an elongated alignment base that connects at one end to a sprayer positioning assembly connection mechanism, and an indicator device disposed at the opposite end of the alignment base and rotating about a sprayer rotational axis defined by the sprayer positioning assembly. The indicator device may have a visual indicator operatively connected to a stylus so that a display of the visual indicator changes when the stylus moves relative to a stylus neutral position. The sprayer positioning assembly may position the stylus in contact with a concave surface that will be coated, such as an engine bore, and the indicator device rotated about the sprayer rotational axis to determine whether display of the visual indicator changes to indicate if the sprayer rotational axis is aligned with a longitudinal axis of the concave surface.

Abstract: Accurate estimates of object location are established from an optical platform. Platform position is combined with dynamic data including target distance and target line of sight data to calculate target location. These target locations can be saved and shared with other users in real-time. Users may find these target locations based upon augmented reality cues provided by the system.

Abstract: The invention relates to a method (100) for determining a distance between an object and an imaging system, characterised in that it comprises the steps consisting in: estimating (110) the modulation transfer function of the imaging system at the distance of the object with respect to said system, determining (120) the aberration frequencies of the estimated modulation transfer function, and generating an aberration frequency vector, implementing (130) a principal component analysis of the vector, in order to determine the principal component of the vector, and using the principal component obtained, determining (140) a distance of the object with respect to the system according to a joint distribution of the probability densities between principal components of aberration frequency vectors of imaging systems and object-system distances.

Abstract: A method for determining position and orientation of a first measuring instrument is disclosed. A second MI and at least one reflective target including a retroreflector unit are arranged in the vicinity of the first MI. At least one imaging module is arranged in the first MI for determining orientation thereof. The at least one imaging module in the first MI can be used in a similar manner as a tracker unit of an optical total station, by way of detecting optical radiation emitted from the second MI and reflected by the at least one TGT.

Abstract: A direction detector that allows true north detection accuracy to be improved is provided. In a direction detector 1, an attitude changer 100 rotates an angular velocity sensor 26 around a detection axis and controls an attitude of the angular velocity sensor 26 so that the detection axis is directed in a predetermined measuring direction and an opposite direction to the predetermined measuring direction. A control device 30 controls the attitude changer 100 so that the angular velocity sensor 26 rotates in a first rotation direction around the detection axis before the angular velocity sensor 26 starts to detect an angular velocity around the predetermined measuring direction.

Abstract: An apparatus for target location is disclosed. The apparatus includes a housing, which includes a range sensor to generate range data, an image sensor to generate image data, an inertial sensor to generate inertia data, and a processor. The processor is configured to receive the image data from the image sensor and determine a first orientation of the housing and receive the inertia data from the inertial sensor and modify the first orientation based on the inertia data to produce a modified orientation of the housing.

Abstract: A method for manufacturing a physical quantity sensor of the invention includes preparing a supportive substrate and a seal substrate, the seal substrate including a first recessed portion and a second recessed portion, disposed therein and including a first through hole communicating with the first recessed portion and a second through hole communicating with the second recessed portion; bonding the seal substrate to the supportive substrate such that the gyrosensor element is accommodated in the first recessed portion and such that the acceleration sensor element is accommodated in the second recessed portion; and sealing the first and the second recessed portions by filling the first and the second through holes with first and second seal materials of which the melting points are lower than the melting points or the softening points of the supportive substrate and the seal substrate.

Abstract: A micromechanical sensor is provided as including a substrate having a main extension plane and a mass element movable relative to the substrate, the movable mass element being coupled to the substrate via a spring structure, the spring structure including a first and a second spring element, the first and second spring elements extending essentially in parallel to each other in sections and being coupled to each other in sections, the spring structure including a first and a second compensation element for quadrature compensation, the first compensation element being connected to the first spring element, the second compensation element being connected to the second spring element, the first spring element having a first spring structure width extending along a transverse direction, the second spring element having a second spring structure width extending along the transverse direction, the first compensation element in a first subarea extending in parallel to the transverse direction along a first width, t

Abstract: The present invention relates to a method for operating a rotation sensor for detecting a plurality of rates of rotation about orthogonal axes (x,y,z). The rotation sensor comprises a substrate, driving masses, X-Y sensor masses, and Z sensor masses. The driving masses are driven by drive elements to oscillate in the X-direction. The X-Y sensor masses are coupled to the driving masses, and driven to oscillate in the X-Y direction radially to a center. When a rate of rotation of the substrate occurs about the X-axis or the Y-axis, the X-Y sensor masses are jointly deflected about the Y-axis or X-axis. When a rate of rotation of the substrate occurs about the Z-axis, the X-Y sensor masses are rotated about the Z-axis, and the Z sensor masses are deflected substantially in the X-direction.

Abstract: In one embodiment, a method of tracking multiple objects with a probabilistic hypothesis density filter is provided. The method includes generating a first intensity by combining a first one or more measurements, wherein a first set of track IDs associated with the first intensity includes track IDs corresponding to respective measurements in the first one or more measurements. A second intensity is generated by combining a second one or more measurements, wherein a second set of track IDs associated with the second intensity includes track IDs corresponding to respective measurements in the second one or more measurements. The first set of track IDs is compared to the second set of track IDs, and the first intensity is selectively merged with the second intensity based on whether any track IDs in the first set of track IDs match any track IDs in the second set of track IDs.

Abstract: There is provided an information processing device including a movement data acquiring unit configured to acquire pieces of movement data including positional information for movement and time at which the positional information is acquired, a movement data analyzing unit configured to analyze a velocity for movement on a specific route on the basis of the pieces of movement data, and a route dividing unit configured to divide the specific route on the basis of a result obtained by analyzing the velocity.

Abstract: A composite navigation system includes a first RFID apparatus, a GPS receiver, and a signal processing system. The first RFID apparatus includes an RFID chip and an antenna, a plurality of inclinometers, a plurality of linear accelerometers, and a plurality of angular accelerometers. The processing system includes a first RFID reader and a Kalman filter. The first RFID apparatus can communicate with the first RFID reader. The Kalman filter connects to the GPS receiver and the first RFID reader.

Abstract: A position calculation device includes an acceleration sensor and a gyro sensor to detect a movement of the user which is mounted on the body of the user, an arithmetic processing unit which executes setting a traveling direction axis by using a detection result of the sensor, using a change in a traveling direction of the user and correcting the traveling direction axis, and calculating a position based on the detection result of the sensor by using predetermined constraint condition based on the traveling direction axis.

Abstract: An intelligent earpiece to be worn over an ear of a user is described. The earpiece includes a processor connected to the IMU, the GPS unit and the at least one camera. The processor can recognize an object in the surrounding environment by analyzing the image data based on the stored object data and at least one of the inertial measurement data or the location data. The processor can determine a desirable event or action based on the recognized object, the previously determined user data, and a current time or day. The processor can determine a destination based on the determined desirable event or action. The processor can determine a navigation path for navigating the intelligent guidance device to the destination based on the determined destination, the image data, the inertial measurement data or the location data. The processor can determine output data based on the determined navigation path.

Abstract: In one embodiment, a method of tracking multiple objects with a probabilistic hypothesis density filter is provided. The method includes obtaining measurements corresponding to a first object with at least one sensor, the at least one sensor providing one or more first track IDs for the measurements. A Tk+1 first predicted intensity is generated for the first object based on a Tk first track intensity. A Tk+1 measurement from a first sensor of the at least one sensors is obtained, the first sensor providing a second track ID for the Tk+1 measurement. The second track ID is compared to the one or more first track IDs, and the Tk+1 first predicted intensity is selectively updated with the Tk+1 measurement based on whether the second track ID matches any of the one or more first track IDs to generate a Tk+1 first measurement-to-track intensity for the first object.

Abstract: In one embodiment, a method of tracking multiple objects with a probabilistic hypothesis density filter is provided. The method includes providing a plurality of intensities. The plurality of intensities are pruned based on their respective weight to remove lower weighted intensities and produce a first set of intensities. Intensities in the first set of intensities that are identified as corresponding to the same object are then merged to produce a second set of intensities. The second set of intensities is then pruned again to produce a final set of intensities, wherein pruning the second set of intensities includes in the final set of intensities, up to a threshold number of intensities having the largest weights in the second set of intensities and excludes from the final set of intensities any remaining intensities in the second set of intensities.

Abstract: This document discloses a system that selects a path to reach a destination in a transportation network. The system receives information related to a public transportation network with multiple stops. Each stop includes at least one associated link with another stop. Each the link represents a mode of transportation between two stops. When the system receives a request for a routes between an origin and a destination within the transportation network, it will determine a set of routes between the origin and the destination using an iterative process without reference to a graph representation of the network. The system will select a shortest path that corresponds to the route having the earliest arrival time at the destination. The system will also select an alternative path that corresponds to a route having an arrival time that is no more than a threshold amount later than the earliest arrival time.

Abstract: In a position calculation device, an inertial navigation arithmetic unit calculates the position, the velocity, and the posture angle of the device by performing inertial navigation arithmetic using a detection value of an IMU, and a Kalman filter unit presumptively calculates the position, the velocity, the posture angle, or the like of the device by performing Kalman filter processing using an arithmetic result of the inertial navigation arithmetic unit. In addition, a KF initial parameter setting unit sets an initial value of an error covariance matrix which is an error index value used in the Kalman filter processing according to a difference with respect to an environment of the previous use.

Abstract: The disclosed subject matter provides for traffic analysis employing timed fingerprint location information. In an aspect, TFL information can be associated with location characteristics for a UE. These location characteristics can describe the motion of the UE. As such, with proper analysis, the motion of the UE can be correlated to traffic patterns. Transportation analytics can employ TFL information to provide real time or near real time traffic information, forecast traffic conditions, or automate response to traffic conditions based on TFL information. Whereas TFL can provide advantages over other types of location information systems, leveraging TFL information in traffic analysis can reflect these advantages. Further, whereas TFL information can be gathered from nearly all modern and many legacy mobile devices, large volumes of TFL information can be employed in related transportation analytics.

Abstract: A navigation device includes a pressure sensor, a radio, a memory including program instructions, and a controller operably connected to the pressure sensor, the radio, and the memory and configured to execute the program instructions to (i) receive at least one signal from a reference beacon of a plurality of beacons, (ii) determine a reference relationship curve correction based upon the received at least one signal, and (iii) determine an altitude of the navigation device based upon the reference relation ship curve correction, and a signal from the pressure sensor.

Abstract: Systems and methods are provided for consolidating and transforming object-descriptive input data to distributed rendered location data. The systems and methods are configured to receive object-descriptive input data from a plurality of input devices, consolidate the object-descriptive input data and correlate it with a plurality of physical objects, determine first and second subsets of the plurality of physical objects based on a proximity of each of the physical objects to each of a plurality of user devices, construct user device-specific graphical maps each indicating a route to each object in a subset, and instruct each user device to display a graphical map constructed therefor.

Abstract: A movable vehicle power-supplying system of the present disclosure includes power-supplying coils configured to wirelessly supply power to a movable vehicle and provided in a place in which the movable vehicle can stop, a positioning mark provided at a position at predetermined distances from the power-supplying coils, a power-receiving coil provided in the movable vehicle and configured to receive power from the power-supplying coils, a distance identification means provided in the movable vehicle and configured to identify distances between the power-supplying coils and the movable vehicle by detecting the positioning mark, and a control unit configured to assist running of the movable vehicle to the power-supplying coils based on the distances between the power-supplying coils and the movable vehicle identified by the distance identification means.