Abstract: A rear sight is provided for use on a firearm. The rear sight includes a changeable and removable rear sight notch insert. The rear sight further includes a rear sight blade having a cavity configured to receive the changeable, removable rear sight notch insert. The changeable, removable rear sight notch insert includes one or more tabs to facilitate insertion or removal of the rear sight notch insert into or out of the cavity. The rear sight notch inserts are variable in notch width, notch depth, and notch shape.

Abstract: A holographic weapon sight with a housing that has a viewing end and an opposing target end. The viewing path is defined from the viewing end to the target end. The sight has a light source that projects a light beam along a path. The sight also has a diffractive optical element (DOE) disposed in the path of the light beam, and the DOE reconstructs an image of a reticle. The sight includes a parabolic reflector that reflects the image of the reticle. The parabolic reflector may be disposed in the viewing path such that a user views a target along the viewing path through the parabolic reflector from the viewing end.

Abstract: An aiming device is provided including a body, an optical element joined with the body that has selectively displayed thereon a dot visible to a user along a first line of viewing, and a power indicator distal from the optical element, where the power indicator emits illumination along a second line of viewing, offset from the first line of viewing. The power indicator can alert the user via the illumination that the dot is or is not displayed on the optical element, without the user needing to directly view the dot along the first line of viewing. The illumination emitted by the power indicator can be of a first visible wavelength range, e.g., blue, and the dot can illuminate in a second visible wavelength range different from the first visible wavelength range, e.g., green or red, so the likelihood of confusing the power indicator with the dot can be reduced.

Abstract: A weapons system is comprised of a human transported weapons subsystem, and a drone weapons subsystem. The human transported weapons subsystem is comprised of a targeting subsystem providing for selection of a selected target, a computational subsystem, and a communications subsystem. The drone weapons subsystem has munitions with positioning and firing capability thereupon, and has communications with the human transported weapons subsystem. The targeting subsystem utilizes communications with the drone weapons subsystem; and, the computational subsystem determines where the drone weapons subsystem is and where the selected target is and where the drone weapons subsystem needs to be located in order for the drone weapons subsystem to aim the munitions to strike the selected target.

Abstract: An optical radiation-collecting assembly includes a convex mirror, a concave mirror with a central opening and a window, arranged such that light passes through the opening in the concave mirror, is reflected first by the convex mirror and then by the concave mirror, and subsequently passes through the window. The optical assembly is suitable for use in a homing device for guiding a rocket, preventing an optical input component of such a device from being damaged and rendered inoperative from abrasion when exposed to a high-speed air flow containing dense particles. The optical assembly also includes an image-forming function.

Abstract: A quick mount for removably attaching an accessory to a longitudinal rail, the mount including a base having a first leg with a first undercut wall that engages a first longitudinal rail surface, a second leg opposite the first undercut wall, a retention plate rotatably mounted to the base adjacent the second leg and a bias element. The retention plate is operable in a secure mode in which the bias element urges the retention plate to rotate and engage a second undercut wall of the plate against a second longitudinal rail surface opposite the first surface and thereby clamp the mount to the rail. The retention plate is operable in a release mode where the second undercut wall disengages the second surface thereby releasing the mount from the rail. The mount can include a toggle lock to lock the plate in the secure mode. A related method is provided.

Abstract: The present invention relates to a sight system incorporating offset optical components. One embodiment is a sight system supporting multiple laser beams that are used simultaneously. As such, an assembly having two clamps is provided. Each clamp can hold a laser on opposite sides of a firearm barrel. The lasers can be diametrically opposed on the barrel wherein the lasers are in plane with a projectile axis. The lasers can project at the same time to bracket the location on the target of where the projectile hit impact. In another embodiment, the assembly, again with two clamps, is adapted for use with a bow, wherein the clamps support lasers that are in plane with the projectile axis. In another embodiment, the optical component is one or more cameras, wherein reticles can be displayed on a screen to bracket a target.

Abstract: This invention provides impact detection and vehicle cooperation to achieve particular goals and determine particular threat levels. For example, an impact/penetration sensing device may be provided on a soldier's clothing such that when this clothing is impacted/penetrated (e.g., penetrated to a particular extent) a medical unit (e.g., a doctor or medical chopper) may be autonomously, and immediately, provided with the soldiers location (e.g., via a GPS device on the soldier) and status (e.g., right lung may be punctured by small-arms fire).

Abstract: The invention relates to dartboard games, where projectiles are thrown at a target. The face of the dartboard has a realistic, lifelike image of a game animal, and the higher scoring regions correlate to the kill zone of the game animal's anatomy. Lower scoring regions correlate to the rest of the body of the game animal, and penalty scoring regions may be present, scoring negative points. Players try to land their darts in certain scoring regions in order to score the most points, depending upon the rules of the game. Rules are provided for a 300 point and 21 point game. If the images are printed on the dartboard, the darts may be thrown or launched with an apparatus like a mini-bow or blow-gun. If the images are projected, the darts may be virtual.

Abstract: A casing for use in a cartridge for a firearm comprises a sleeve portion and a base portion, where the base has cannelure comprised of curving surfaces. In a casing embodiment, a sleeve has cylindrical portion with a mouth for holding a bullet and an opposing end radially-running bulkhead. A nipple extends from the bulkhead and into a passageway of the base, thereby securing the sleeve to the base. The sleeve bulkhead preferably has at least one circumferential wave and contacts a distal end surface of the base, which may be planar or conical. The cannelure is characterized by a continuously curving groove bottom, a maximum groove depth diameter that is 60 to 80 percent of the base outside diameter, and a volume that is 20 to 43 percent of the volume of a like base which has no cannelure.

Abstract: An ammunition storage compartment includes a plurality of connected walls defining an interior region to store ammunition, wherein at least one of the walls includes an outer armor plate having an outer surface and an inner surface. A layer of energy absorbing material is located proximate the inner surface of the armor plate in the interior region. A spall mitigating panel is located inward of the layer of energy absorbing material in the interior region. At least one air gap is in between the layer of energy absorbing material and the spall mitigating panel.

Abstract: The invention relates to a percussion fuse having an active sensor, which generates a sensor voltage, having a filter circuit consisting of a high pass and at least one low pass, in order to be able to adjust dynamic percussion characteristics. The invention further relates to an operating state switch, which can transition the percussion fuse into one of two operating states, specifically into an activated and a deactivated operating state. To this end, the operating state switch is switched into one of the two operating states by means of a safety voltage. In the active operating state, the sensor voltage is supplied directly to the threshold value switch and in the deactivated operating state, the sensor voltage is held below the threshold value of the threshold value switch by an input limiter.

Abstract: A control system for controlling operation of a fluid delivery system that includes a first and second pumps for delivering first and second fluids for mixing. A controller includes a first pump map having a first pump flow rate mapped against a control output signal, and a second pump map having a second pump flow rate mapped against a control output signal. The controller determines the control output signal for the first pump to obtain a desired flow rate from the first pump, and the control output signal for the second pump to obtain a target flow rate and a target percentage of the second fluid relative to the first fluid or a target percentage of the second fluid relative to an overall fluid flow. The output signals for the first and second pumps are determined using the first and second pump maps.

Abstract: A method and apparatus for measuring a subject's ability to perform a varying range of barrier reaches is provided. The apparatus includes a barrier having a substantially horizontal upper surface at a height above a base point. A sensing and recording device is positioned adjacent to the barrier for sensing and recording a plurality of data points. A marking device for grasping by the subject engages the sensing and recording device for creating the plurality of data points as the subject bends forward against the barrier. The data points are recorded and converted into an interpolated arc reflecting the subject's reach at the barrier height.

Abstract: The present invention relates to the technical field of automobile maintenance and device calibration, and discloses a bracket apparatus, the bracket apparatus including a base, a vertical rod, and a sliding assembly. The base supports the vertical rod, the vertical rod being vertically disposed and one end thereof being mounted to the base; and the sliding assembly is movably mounted to the vertical rod and may slide along the vertical rod, and the sliding assembly is configured to carry a required calibration apparatus. In the bracket apparatus of the present invention, the sliding assembly may slide along the vertical rod, and a height of the calibration apparatus carried by the sliding assembly may be adjusted as required to meet different height requirements of different calibration apparatuses, so that the bracket apparatus may carry different calibration apparatuses for use.

Abstract: A system for three-dimensional scanning of an object includes a set of functional elements, with each of the functional elements including a housing and a processor, memory, power supply, sensor, and wireless communication module each within the housing, a position module to determine an individual position of each of the functional elements after the object is in the set of functional elements, and a contour module to determine a shape of the object based on the individual position of each of the functional elements and a void of functional elements created by the object in the set of functional elements.

Abstract: An angle measurement apparatus for use with a panel such as siding is provided. The apparatus includes a base portion defining a locating feature that is engageable with a reference feature on the panel. An arm portion is rotatably mounted with respect to the base portion such that the arm portion is selectively rotatable with respect to the base portion about an axis. The arm portion can thus be rotated to form a desired angle with the base portion, and, correspondingly, with the panel.

Abstract: A surface texture measuring device according to the present invention includes a surface texture detecting component that outputs measurement results for a surface texture of a measurable object, where the measurement results are recognized as a change in the movement of a contact pin of a detector when tracing a surface of the measurable object with the contact pin; a posture detecting sensor that detects a measured posture, which is a posture at the time of measurement by the detector; a memory component that is preloaded with correction values corresponding to each of a plurality of postures; and a correcting component that compares the measured posture with the plurality of postures stored in the memory component, and corrects the measurement results using a correction value that corresponds to a posture equivalent to the measured posture.

Abstract: A position detection device, for detecting a change in relative position of a detection object with respect to a reference portion, includes: a base portion immovable with respect to the reference portion; a following portion deformable or movable following relative movement of the detection object with respect to the reference portion; an expandable and contractible member; and a heat flux detection section. The expandable and contractible member is provided between the base portion and the following portion, is made of a material expandable and contractible according to deformation or movement of the following portion, and generates heat during contraction and absorbs heat during expansion. The heat flux detection section is provided to be subjected to heat of the expandable and contractible member, and is configured to detect a heat flux that is a flow of heat between an inside and an outside of the expandable and contractible member.

Abstract: A strain gauge includes a flexible resin substrate, and a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate. The strain gauge includes a resistor formed as a film containing Cr, CrN, and Cr2N, on one surface of the functional layer. The strain gauge includes an insulating layer formed of an inorganic material, the resistor being coated with the insulating layer. The strain gauge includes an insulating resin layer formed of an organic material, the insulating layer being coated with the insulating resin layer.

Abstract: Provided herein are devices and systems comprising an illumination module configured to provide a source light to an optical interference module, which converts the source light to a line of light and processes light signal; an interference objective module, which handles light from the optical interference module and processes light signal generated from a sample; a two-dimensional camera configured to receive a backscattered interference signal from the sample, and a data processing module which processes the interference signal into an image.

Abstract: An optical coherence tomography (OCT) system for profilometry measurements of a specimen with a lateral resolution across the profilometry measurements is provided. The OCT system includes a line-field generator, an interferometer, and a spectrometer. The line-field generator includes a filter arranged in a focal plane of a lens for spatially filtering extended line-field light into a line-field light of a width equal to the lateral resolution. The interferometer is configured to interfere the line-field light reflected from the specimen illuminated with a line-shaped focus with a reference signal of the line-field light to produce an interference pattern. The spectrometer configured to analyze spectral components of the interference pattern in a digital domain to produce the profilometry measurements of the specimen.

Abstract: A method comprises: splitting laser light into sample light, reference light, and monitor light; routing the reference light into a reference arm of an OCT interferometer; routing the monitor light into a monitor device, which generates at least one optical monitor signal representing at least one time-dependent property of the monitor light; generating at least one electric monitor signal from the at least one optical monitor signal; illuminating in a point-shaped manner a sample with sample light, wherein the illumination point is guided on the surface of the sample along a predetermined trajectory; superimposing the light scattered by the sample with the reference light emerging from the reference arm to generate an electric OCT signal; wherein the at least one electric monitor signal and the electric OCT signal are AD-converted in alternating sequence, in each case equidistantly in time, to form a single digital data stream.

Abstract: Products and processes for measuring crop and pasture surface profile which may be used to measure the average surface profile of crop and pasture foliage around stationary measurement devices.

Abstract: Disclosed is a digital measurement apparatus including a holding unit on which a measurement object to be measured is placed; and a measurement unit for measuring the measurement object by comparing an image of the measurement object placed on the holding unit with a preset reference value, and providing a reference for adjusting the length of a new measurement object based on a measured value of the measurement object. With this configuration, regardless of photographing conditions, by performing calibration using a set reference value, the accuracy of a measured value may be improved.

Abstract: Sensing systems include a tube defining a Fabry-Perot cavity and an optical fiber including a distal end disposed within the Fabry-Perot cavity and a proximal end. A corrodible material caps the Fabry-Perot cavity. Devices for sensing corrosion of downhole equipment include an optical fiber with a corrodible material disposed over a distal end of the optical fiber. Systems for sensing a condition in equipment include an optical fiber with a fiber Bragg grating proximate a distal end thereof and a mass of sensor material coupled to the distal end of the optical fiber. The mass of sensor material is suspended from above the fiber Bragg grating. Other systems for sensing a condition in a wellbore include an optical fiber and a plurality of fiber Bragg gratings along a length thereof. A plurality of sensor materials are coupled to the optical fiber and surround respective fiber Bragg gratings.

Abstract: A method and optical detection equipment for monitoring a container transfer device on lowering a container onto or lifting away from a transport platform. The container, its pin holes' position and the position of the lock pins of the transport platform are determined by the optical detection equipment, which includes a group of optical detection devices measuring obliquely from up the container and the transport platform during lowering or lifting of the container such that positions of the container and the lock pins are determined based on the measurement of the same optical detection devices.

Abstract: A method and machine comprising at least one non-contact sensor (52) on a functional testing platform (50) for workpiece inspection and/or measurement. The inclusion of at least one non-contact sensor on the functional testing platform results in the combination of two machine platforms into a single machine and provides the user with measurement characteristics of both methods, functional and analytical, saving significant cycle time and significant space.

Abstract: An optical device for characterizing a workpiece combines an interferometer with a polarization rotation pellicle, installed in a stand-alone fashion in a spatial gap between the mirrors of the interferometer, and a polarization based phase-shift sensor.

Abstract: A structured-light pattern for a structured-light system includes a base light pattern that includes a row of a plurality of sub-patterns extending in a first direction. Each sub-pattern is adjacent to at least one other sub-pattern, and each sub-pattern is different from each other sub-pattern. Each sub-pattern includes a first number of portions in a sub-row and a second number of portions in a sub-column. Each sub-row extends in the first direction and each sub-column extends in a second direction that is substantially orthogonal to the first direction. Each portion may be a first-type portion or a second-type portion. A size of a first-type portion is larger in the first direction and in the second direction than a size of a second-type portion in the first direction and in the second direction. In one embodiment, a first-type portion is a black portion and the second-type portion is a white portion.

Abstract: This three-dimensional measurement device includes: a light source, a lens guiding light from the light source to a subject, a photomask disposed on the optical axis between the light source and lens and having a predetermined pattern, a driving device changing the position of one member from the lens and photomask or changing an optical characteristic of the lens, and a control unit controlling the driving device. The control unit fixes an image formation position for light/dark pattern light formed by the photomask at the position of the subject by fixing the position of said member or the optical characteristic of the lens when specifying a first mode, and varies the position of the member or the optical characteristic of the lens to vary the image formation position for the light/dark pattern light such that the light/dark difference caused by the light/dark pattern light is smaller than in the first mode when specifying a second mode.

Abstract: A triangulation scanner having an enclosure, a projector coupled to the enclosure and configured to emit a first light, and three cameras also coupled to the enclosure. The scanner further includes at least one processor to determine the three-dimensional coordinates in a local frame of reference based at least in part on receiving the first light.

Abstract: A surface roughness analysis system and methods of analyzing surface roughness of a workpiece are presented. The surface roughness analysis system comprises a number of wave generators; a number of wave sensors; and an ultrasonic analysis system configured to receive material mechanical parameters for a workpiece, determine incident surface wave signal parameters for a source signal to be sent by the number of wave generators, and determine a cut-off wavelength using the material mechanical parameters, wherein the cut-off wavelength is a ratio of surface wavelength over incident wavelength.

Abstract: Techniques for implementing Bayesian model for refining and petrochemical wall thickness monitoring are presented. The construction of a model may be automated for each piping circuit or piece of major fixed equipment, utilizing, for example, specific component data, historical thickness measurements, inspection practices and related inspection program information. The model contains nodes describing the most significant sources of variability, namely component original thicknesses, wall thickness degradation over time, corrosion rates and thickness measurement error.

Abstract: An optical module includes: a carrier; an optical element disposed on the upper side of the carrier; and a housing disposed on the upper side of the carrier, the housing defining an aperture exposing at least a portion of the optical element, an outer sidewall of the housing including at least one singulation portion disposed on the upper side of the carrier, wherein the singulation portion of the housing is a first portion of the housing, and wherein the housing further includes a second portion and a surface of the singulation portion of the housing is rougher than a surface of the second portion of the housing.

Abstract: Pressure assisted positioning method and device thereof are disclosed in the present invention. The pressure assisted positioning device is exerted for positioning a target under the circumstance of altitude change since the target enters a specific region. The pressure assisted positioning method includes the following steps. First, confirming the entrance of the specific region of the target and detecting a plurality of pressure data. Then, calculating a pressure variation between the two selected pressure data. At last, comparing the pressure variation to a threshold. An altitude change within the specific region is confirmed as the pressure variation is greater than the threshold. On the other hand, as the pressure variation is greater than the threshold, it refers to no altitude change within the specific region.

Abstract: A method of leveling a table using a leveling system that includes placing at least three sensor bars on a top surface of the table. Each sensor bar includes a (+) end and a (?) end which correspond to lines on a manual level. Each sensor bar is connected to a controller system and acts as an electronic level. Activating a leveling algorithm of the controller system to adjust leg height of the table using a leg movement system connected to the controller system to level the table. Leveling the table using the leveling algorithm to monitor data readings of the sensor bars, changing the height of any of the legs using the leg movement system and continuing to monitor data readings of the sensor bars during leg movement until the table is level.

Abstract: Systems and methods related to roadmaps for robotic devices are provided. A computing device can receive a roadmap representing a plurality of paths through an environment. The computing device can discretize the roadmap to obtain a discrete planning graph having a plurality of states corresponding to discretized segments of the plurality of paths of the roadmap such that states corresponding to adjacent discretized path segments are connected in the discrete planning graph. The computing device can determine a Boolean equation representing at least a portion of the discrete planning graph. The computing device can determine a sequence of states from the plurality of states of the discrete planning graph such that the determined sequence of states satisfies the Boolean equation. The computing device can provide a route through the environment for a robotic device based on the determined sequence of states.

Abstract: A vehicle can be operated in an identified map area. Output is obtained from a first classifier, based on input including the map area and one or more current environmental conditions detected in the map area, specifying a first probability that the map area is currently available for sensing to support input-free operation of the vehicle. Then, if and only if the first probability indicates that the map area is currently available for sensing to support input-free operation of the vehicle, output is obtained from a second classifier, based on input including the map area and the one or more current environmental conditions, specifying a second probability that the vehicle will traverse the map area without a minimum risk maneuver event. Then, if and only if the second probability indicates that the vehicle will traverse the map area without a minimum risk maneuver event, operating the vehicle in an input-free mode in the map area.

Abstract: An ECU of a driving support system as a route candidate setting system is configured to provide a first curved line represented by a first function having x coordinate as a variable and y coordinate and a second curved line represented by a second function having x coordinate as a variable and y coordinate and having a lower degree than the first function, and set the first and second curved lines as traveling-route candidate RC. In a case where an obstacle is detected by a camera and a radar, the ECU is configured not to provide the first curved line having its terminal point corresponding to a grid point Gn located on a forward side, in an advancing direction of a vehicle, of the obstacle and the second curved line having its start point corresponding to this grid point Gn.

Abstract: A method for facilitating travel reservations is described. The method may commence with receiving a travel-related query from a user and parsing the travel-related query to derive at least one attribute of the travel-related query. One or more further users may be selected based on comparing the at least one attribute of the user with attributes of the one or more further users. The at least one attribute of the user may be ranked based on preference data of the one or more further users. The method may continue with assigning weights to the at least one attribute based on the ranking to create at least one weighted attribute. Feasible travel itineraries may be searched based on the at least one attribute. The feasible travel itineraries may be scored based on the at least one weighted attribute and travel itineraries selected based on the scoring may be presented.

Abstract: Data to initiate movement of a vehicle is received from a first user. The first user is identified. A determination is made whether to initiate the movement of the vehicle based at least in part on the data and the one or more characteristics of the first user. The movement of the vehicle is initiated.

Abstract: A control part of a traffic control apparatus receives from a car-mounted device of one vehicle among a plurality of vehicles through a communicating part a projected time of arrival of that one vehicle at a destination and, if so, judges if there is a simultaneously arriving vehicle with the same desired drop-off position at the destination as the one vehicle and with the projected time of arrival at the destination in the same time frame from among the plurality of vehicles and, if there is a simultaneously arriving vehicle, determines vehicle stopping priorities at the desired drop-off position between the one vehicle and the simultaneously arriving vehicle based on information relating to the passengers in the one vehicle and the simultaneously arriving vehicle to be dropped off at the destination.

Abstract: The subject disclosure relates to ways to resolve autonomous vehicle (AV) routes based on verbal descriptions of landmark features. In some aspects, a process of the disclosed technology includes steps for receiving speech instructions, wherein the speech instructions indicate an autonomous vehicle (AV) destination, analyzing the speech instructions to identify one or more landmarks associated with the AV destination, and determining location information corresponding with the one or more landmarks. In some aspects, the process further includes calculating a route based on the location information corresponding with the one or more landmarks. Systems and machine-readable media are also provided.

Abstract: Embodiments are directed to a user interface for superimposingly displaying, on a map, a plurality of travel route patterns reflecting tendencies of movements of a moving object and a new travel route predicted using the plurality of travel route patterns. The plurality of travel route patterns being extracted in advance by analyzing traveling history data of the moving object and being displayed in different manners, according to a prediction probability between each of the plurality of travel route patterns and the new travel route.

Abstract: One or more lane level dynamic profiles are received. Each lane level dynamic profile comprises at least one dynamic parameter corresponding to a lane of a traversable network. A lane level network graph is received for at least a portion of the traversable network. A cost is assigned to the lane based on the at least one dynamic parameter corresponding to the lane. A routing or navigation function is performed using the cost assigned to the lane and the lane level network graph to generate routing information. The routing information is provided such that a mobile apparatus receives the routing information.

Abstract: A method, a system, and a computer program for identification of at least one road work extension in a geographical location are provided. The method includes, for example, the process of building and accessing a map for the geographic location curated with the marking of one or more road work zones corresponding to the at least one road work extensions. To calculate road work extension, the method includes obtaining a plurality of lane markings on a road work link and determine a start and an end offset of at least one link using obtained lane marking observations. Further, the method includes generating the road work extension data comprising co-ordinates of each of the start position and the end position of the road work extension, based on the determined link start offset and the link end offset.

Abstract: A map data storage method for acquiring map data content used in a subject vehicle and storing the map data content in a common database by using a controller is provided. This method includes converting a format of the acquired map data content to a predetermined format that can be used in the subject vehicle, storing the map data content converted into the predetermined format in the common database, acquiring update information regarding the map data content stored in the common database, and editing the map data content in the predetermined format stored in the common database on the basis of the acquired update information.

Abstract: The invention relates to a display for 3D aircraft visualisation and flight path features. The display system is for use on the flight deck of an aircraft and comprises a display operable for graphical display of data, and a processor operatively coupled to the display and configured to receive terrain data from at least a terrain data base, flight plan data from a source of navigational data, and aircraft position data from one or more aircraft sensors. The processor is configured to operate the display to display a representation of the flight plan on the display screen, display a representation of the terrain proximate the flight plan representation, and display a representation of the aircraft relative to the flight plan and the terrain.

Abstract: A gyroscope includes a MEMS sensor having a drive signal input terminal, a drive signal output terminal, and a sense signal output terminal. The gyroscope further includes a quadrature demodulator that demodulates a modulated sense signal and offset canceller circuits that cancel a direct current offset component included in an in-phase signal and a quadrature signal of the sense signal. The gyroscope has a quadrature error detector that detects a quadrature error based on the signals input from the offset canceller circuits and outputs an error signal. The gyroscope also has an IQ corrector circuit that receives the in-phase signal and the quadrature signal of the sense signal as inputs, and outputs a phase signal with a phase based on the error signal.