Abstract: A hand guard mount assembly and method of securing a hand guard to a firearm in a manner that resists rotation and/or longitudinal translation of the hand guard relative to the underlying firearm. The hand guard mount assembly includes a mount clip that is defined by a body having a first portion and a second portion. The first portion of the clip is constructed to be received in a slot defined by a hand guard and defines a smallest diameter associated with a receiver end of the hand guard. The second portion of the clip radially and/or longitudinally indexes the mount clip, and a hand guard associated therewith, relative to at least one of a barrel nut, a barrel, and a receiver associated with the underlying firearm.

Abstract: Ammunition dispensing receptacles have an elongated tubular body having opposed first and second ends, the body defining a storage chamber, the body having an opening at the first end operable to receive and dispense ammunition, a follower received in the chamber and operable to reciprocate between the first end and the second end, the follower being spring biased toward the first end, and the follower being operable to pivot with respect to the body, such that a varying number of tapered ammunition elements may be supported by the follower. The body may define an elongated channel, and the follower may include a protruding pivot element received within the channel. The channel may have an end portion adjacent to the first end, such that the motion of the follower toward the first end is limited by the end portion of the channel.

Abstract: The present invention is revolver louver which redirects the hot propellant gases which leak from the barrel-cylinder gap away from the user. The louver provides at least one directional passages which control the flow of propulsion gases after firing the revolver. Numerous embodiments are disclosed including some having an expansion capability to further block gas passage and one embodiment which is an extension of the revolver frame itself. One embodiment further comprises an expansion groove to further block the passage of propulsion gases. As such, the present invention's general purpose is to provide a new and improved revolver that is more compact and safer for the user than a conventional revolver.

Abstract: A firearm cleaning kit includes a base cleaning kit, at least one module attachment element affixed to an exterior portion of the base cleaning kit, and a first modular kit case adapted for storing at least one specialized cleaning implement. The base cleaning kit is adapted to store cleaning implements for a first class of firearm. The base cleaning kit includes a tool insert secured to an interior region of the case, and a first firearm cleaning tool secured within the tool insert. The first modular kit case is sized smaller than the base cleaning kit, and includes a first external fastening element adapted for releasable securement to the at least one module attachment element of the base cleaning kit. The specialized cleaning implement not included in the base cleaning kit.

Abstract: An archery bow is provided having a cam assembly including a first bowstring track and a second bowstring track laterally separated by a distance, and adapted to guide different portions of a bowstring. The bowstring tracks can be spaced from one another along an axis of rotation of the cam assembly so that the loads exerted by the bowstring portions are substantially balanced. Accordingly, the loads are inhibited from urging the cam to lean out of vertical alignment and/or twisting the limb. The cam assembly can include a power cable track which guides a cable centered on the axis of rotation, and which is within a central longitudinal limb plane. Large, dynamic loads exerted by the power cable through the cam assembly can be centered to inhibit cam lean and limb torque. A related method of inhibiting limb twist, and a split bowstring also are provided.

Abstract: A compound crossbow including a stock having a forward end and a rearward end. The crossbow includes a bow assembly mounted to the forward end of the stock and a retractable support lever operatively connected to the stock by a pivot point hinge. The retractable support lever is pivotable about the pivot point hinge between a retracted position, in which the retractable support lever is folded against the stock lower portion, and an extended position, in which the retractable support lever extends rearward from the pivot point hinge such that a distal end of the retractable support lever is positioned rearward of the rearward end of the stock. The crossbow may further include a guide configured to house and retain a knife within a receptacle of the stock lower portion.

Abstract: An alignment tool may be used to align a nock with respect to an arrow having vanes. The alignment tool may include a body, a connection member extending from the body, and indicating surfaces that are spaced around the outer surface of the alignment tool body at a relative angular orientation that matches the angular orientation of the arrow vanes. The connection member may be attached to the nock and then both the tool and the nock may be rotated with respect to the arrow to align the nock with respect to the arrow by aligning the indicating surfaces with respect to the vanes.

Abstract: A connection mechanism for connection of a firearm receiver and a shoulder mount, the fire arm receiver comprising a closing part, the closing part containing a latch arranged in a movable way between a locking position, in which in an assembled firearm the latch engages with the receiver and the closing part is prevented from being removed from the receiver, and an unlocking position, in which the latch disengages from the receiver and the closing part can be removed from the receiver. The closing part further contains a lever to control the movement of the latch from the locking position to the unlocking position and/or from the unlocking position to the locking position.

Abstract: A firearm handgrip assembly with laser gunsight system has a frame, the frame having an attachment facility adapted for secure connection to a firearm, the frame having a connection facility associated with an optical passage, an elongated beam projection element having a first end connected to the connection facility, and an opposed second end, the beam projection element operable to emit a beam from the first end, and the frame including an aiming facility operable to adjust the position of the second end of the beam projection element while the first end remains connected to the connection facility. The first end of the beam projection element may be pivotally connected to the connection facility. The beam projection element and the connection facility may be connected by a ball and socket joint. The first end of the beam projection element may include a spherical surface.

Abstract: Gun rail attachments, gun components and accessories and systems include attachment bodies made of polymeric materials with hardness ratings and ranges which are generally flexible and malleable and heat resistant. Reinforcing members are combined with the attachment bodies for secure attachment to gun rails and grips with only the polymeric attachment bodies exposed. Pockets, cavities and channels are formed in the attachment bodies for receiving wires, devices, device modules, components or accessories for guns.

Abstract: An apparatus for selectively securing a weapon about the torso of a human comprises a base layer comprising a band of elastic configured to be disposed about the torso, a closure mechanism configured to retain the base layer about the torso and couple the first end to the second end, and a pocket comprising a padding layer coupled to the base layer on three sides. The base layer comprises a first end and a second end, and the base layer has a substantially uniform width about the torso when the closure mechanism couples the first end to the second end. The pocket has a width that is less than or equal to the width of the base layer.

Abstract: A payload launch system is described that provides one launch solution suitable for multiple applications. A payload, such as a UAV, is launched from a sealed launch tube using compressed gas or other energy source. The launch tube can be used to transport and protect the payload from harsh environments for extended periods prior to launch.

Abstract: An aiming device having for use with small weapons, such as pistols. The device includes a body mountable to the pistol, the body having an elongate upper section and a rear section projecting downwardly from the elongate upper section. When the body is mounted, the upper section is adjacent the upper surface of the pistol slide and the rear section is positioned adjacent the rear end of the slide and predominantly below the upper surface of the slide. The aiming device includes a display device carried by the rear section of the body, the display device operable to generate an aiming mark that is displayed via an optical element in sufficiently close proximity to the upper surface of the slide such that the aiming mark appears co-witnessed with a front iron sight of the pistol to a shooter viewing the aiming mark through the optical element while aiming.

Abstract: A scope mount assembly for removeably attaching a scope to a firearm is disclosed herein. The firearm may include a rail assembly. The scope mount assembly may include a base member and at least one ring extending from the base member. The at least one ring may be configured to secure at least a portion of the scope therein. Moreover, the scope mount assembly may include at least one scope mount rail assembly extending from the ring.

Abstract: A method for determining the position data of a target object in a reference system from an observation position at a distance. A three-dimensional reference model of the surroundings of the target object is provided, the reference model including known geographical location data. An image of the target object and its surroundings, resulting from the observation position for an observer, is matched with the reference model. The position data of the sighted target object in the reference model is determined as relative position data with respect to known location data of the reference model.

Abstract: A gun sight mounting system for easily and reliably adjusting a sight with respect to a gun barrel. The system has a rail with a first post, and a base with a second post and a window. The first post extends through the window. The rail is adjustably connected to the base. A wheel is provided with a groove for engaging the first post and a hole for engaging the second post. The groove has a spiral or eccentric or cam-like radius such that when the wheel is rotated, the engagement between the first post and the groove causes the relationship between the rail and the base to be adjusted. A measurement system is indicated on the wheel, or on at least one spool that can be mounted to the wheel. At least one tape can be attached to the spool, and can include a measurement system.

Abstract: A method of protecting a user from a strike by a maximum threat includes adhesively bonding a plurality of solid elements to a support structure in a planar array, dimensions and material properties of the solid elements, support structure, and adhesive being selected to cause an impacted solid element to be dislodged by the maximum threat, and to combine its mass with the projectile for reduced velocity and increased impact area. The support structure is configured to fail in tensile and to allow the combined projectile and solid element to pass through the support structure. The solid elements can be ceramic, and can be commutated upon impact while remaining substantially intact. The solid elements can include titanium backing layers. After formation, ceramic cores can be compressed upon cooling by an outer ceramic layer having a higher coefficient of thermal expansion, the outer layer being formed by glazing or doping.

Abstract: A live fire weapons firing range includes a training area having a target wall, a rear wall and side walls extending between the target wall and the rear wall. An internal partition is oriented within the training area, so as to divide the training area into a shooter area, an actor area, and a fire engagement area. A reflective target is positioned on the target wall and is simultaneously viewable from both the shooter area and the actor area, such that an actor/instructor in the actor area is viewable to the shooter in the shooter area via a reflected image of the actor from the reflective target. The actor and the shooter engage in fire, shooting at the reflective target, which allows the live fire ammunition to pass through the reflective target, with the ammunition being captured by absorbing material positioned behind the reflective target.

Abstract: A game apparatus includes: a target including a plurality of sections divided according to a predetermined principle; a camera unit including a first camera and a second camera, the first camera being arranged to photograph at least a part of a game participant, the second camera being arranged to photograph at least a part of the target; a memory for storing at least a part of dynamic images photographed by the first camera and the second camera; a network connection unit for transmitting the dynamic images stored in the memory to a network; and a control unit for controlling operations of the first camera and the second camera and transmission of the dynamic images.

Abstract: Systems and methods for preparing a cartridge and a projectile for use in a disrupter to launch the projectile toward an explosive device to disable the explosive device. The cartridge may be selected from a group of cartridges and the projectile may be selected from a group of projectiles in accordance with the type of explosive device, the projectile selected, or other considerations for attempting to disable the explosive device. The cartridge and projectile are manually coupled by an operator of the disrupter for use in the disrupter.

Abstract: Apparatus and methods for manufacturing subsonic ammunition articles from conventional supersonic ammunition articles are provided. The apparatus includes devices for controllably introducing a filler material to reduce the inner volume of a conventional supersonic ammunition article. Method are also provided for converting a conventional supersonic ammunition article to a subsonic ammunition article including defining a new subsonic propellant volume within said conventional supersonic ammunition article and controllably introducing a filler material therearound.

Abstract: A device for detecting position of a rotating working means in an active magnetic bearing which comprises sensors (A, B) of the position of a rotating working means, detectors (D) of an output signal of the sensors (A, B) and evaluation circuits connected to control system of the active magnetic bearing. The sensors (A, B) of the position are composed of high frequency transformers, each of which is directly connected to the detector (D) of its output signal and the detectors (D) are composed of an electrical quadrupole with a non-linear transfer characteristic.

Abstract: Provided are a method for measuring tool dimensions and a measurement device, whereby if a machine tool (10) cannot fit the overall outline of a tool (20) inside the field of vision (V) for an image from an imaging device (33), the field of vision (V) of the imaging device (33) is moved by relatively moving the imaging device (33) and the tool (20). In addition, the imaging device (33) can follow the outline (54) of the tool (20) by moving the field of vision (V), because the movement direction (53) for the field of vision (V) is determined on the basis of the partial outline (51) specified based on image data. In this way, even when measuring dimensions for a tool (20) with a larger diameter than the field of vision (V) of the imaging device (33), a partial outline (51) of a desired range, for example, is specified. An outline of a desired range for the tool (20) is extracted if a plurality of specified partial outlines (51) are combined.

Abstract: A method for determining 3D coordinates of points on a surface of the object by providing a non-contact 3D measuring device having a projector and camera coupled to a processor, projecting a pattern onto the surface to determine a first set of 3D coordinates of points on the surface, determining susceptibility of the object to multipath interference by projecting and reflecting rays from the measured 3D coordinates of the points, selecting a pattern as a single line stripe or a single spot based on the susceptibility to multipath interference, and projecting the pattern onto the surface to determine a second set of 3D coordinates.

Abstract: An illumination module for a coordinate measuring machine for measuring a workpiece by means of an optical sensor, wherein the illumination module comprises a main body having a sensor side and a workpiece side, wherein the illumination module comprises on the main body at least one illumination arrangement for illuminating the workpiece, and wherein the at least one illumination arrangement has an emission characteristic with a specific emission angle and a light intensity profile within the emission angle, wherein the light intensity profile of the at least one illumination arrangement within the emission angle is asymmetrical. The present invention furthermore relates to a coordinate measuring machine comprising such an illumination module.

Abstract: A measuring appliance in which inputted or measured spatial points and a horizontal projection representation or spatial representation of at least some spatial points from the quantity of spatial points can be displayed, said points being at least partially connected by lines. The measuring appliance has a representation-changing functionality in the framework of which, according to a line selected on the user side from the lines displayed in a horizontal projection representation or a spatial representation, in an automatically controlled manner by means of the evaluation and control unit: a virtual surface is defined by the selected line and a direction provided as the vertical; a subset of spatial points is selected from the quantity of spatial points, lying inside a buffer zone surrounding the virtual surface in a defined manner; and a vertical projection representation of exclusively such spatial points pertaining to the subset is displayed on the display.

Abstract: A method and apparatus for processing fuselage sections. A scanning system is positioned between a first fuselage section held in a first cradle and a second fuselage section held in a second cradle. A group of beams of light is transmitted from the scanning system to targets on a first interior surface of the first fuselage section and a second interior surface of the second fuselage section. A reflected light is detected from a beam of light. Measurements of the first fuselage section and the second fuselage section are generated from using the reflected light generated in response to the beam of light. The measurements enable shaping at least one of the first fuselage section and the second fuselage section for joining the first fuselage section to the second fuselage section.

Abstract: A curvature measurement apparatus according to an embodiment includes: a laser beam emitting portion emitting a laser beam; a first polarization beam splitter separating the emitted laser beam into first and second laser beams in different polarization directions and in different travel directions; a mirror reflecting the first laser beam so that the first and second laser beams travel side by side to a substrate; a second polarization beam splitter transmitting the second laser beam mirror-reflected from the substrate and reflecting the first laser beam, mirror-reflected from the substrate, in a direction different from a travel direction of the second laser beam; a one-dimensional first position detection device detecting an incident position of the reflected first laser beam on the first position detection device; and a one-dimensional second position detection device detecting an incident position of the transmitted second laser beam on the second position detection device.

Abstract: A method for determining a combined data record for an object using individual data records based on individual scans of the object, the scans being measured using at least one sensor. To avoid accumulating errors and allow individual data to be rectified or corrected, first partial scans of the object are measured using at least one first sensor and are aligned relative to one another and/or corrected using second partial scans performed by at least two second sensors that are stationary relative to one another, and the individual data records for the combined data record are determined from the aligned and/or corrected partial scans.

Abstract: A method is for testing a photonic integrated circuit (IC) that includes a test structure having a test optical splitter, a test optical input, and first and second test optical outputs. A device under test (DUT) is coupled between the first test optical output and the first output of the test optical splitter. The deembedding structure includes a deembedding optical splitter, a deembedding optical input and first and second deembedding optical outputs. The method includes coupling a test probe device to the test optical inputs and outputs and the deembedding optical inputs and outputs and operating the test probe device to make at least one test measurement related to the DUT and at least one deembedding measurement. The at least one test measurement is processed with the at least one deembedding measurement to determine whether the DUT is acceptable and independent of alignment error.

Abstract: A detection device for determining the orientation of a first and a second wheel of a vehicle, the wheels being arranged on a first side of the vehicle with respect to a longitudinal axis thereof. The device is set laterally with respect to the vehicle on the first side, between the first and second wheels, and has a first and a second image-acquisition elements located on a base support having a respective viewing area for acquiring images of a first and a second target coupled to the first and second wheels. A displacement unit is operatively coupled to the first and second image acquisition elements for rotating them simultaneously through the same angle of rotation so as to adapt their viewing area to the position of the first and second targets. The detection device comprises additional alignment sensors located on the base support for measuring calibration parameters of the base support.

Abstract: A method for quantitative measurement of surface accuracy of an area is provided. This comprises directing a monochromatic flat light wave towards a predefined surface area, recording an image of the reflected light with a camera and lens system focused on said surface area, and deducing surface accuracy parameters from the recorded image. The method is characterized in that said surface accuracy parameters are determined by obtaining a Fourier transform of the recorded image. Then, fitting predetermined Fourier components to a Fourier spectrum of said Fourier transform, wherein said Fourier components are determined along the major and across the minor elongation axes of the Fourier transform as at least a large Gaussian component, and a peak of the spectrum. Followed by, determining surface accuracy parameters of said surface area from said Fourier components.

Abstract: Various system and methods for estimating the position of one or more radiation blocking objects on a surface are disclosed. A plurality of radiation sources and radiation sensors are positioned about the surface. A plurality of sectors corresponding to the position of at least some of the radiation blocking objects relative to each of the radiation sensors is determined based on a radiation intensity signal for each radiation sensor. The position of the radiation blocking objects is estimated by analyzing various combinations of the sectors. In some embodiments, the size of a radiation blocking object may be estimated based on characteristics of a polygon corresponding to a combination of sectors.

Abstract: A method, including: detecting in a nondestructive manner a marker (10, 12, 50, 70, 76, 78) that is fully submerged in a substrate (14) to obtain spatial information about the marker; detecting in a nondestructive manner the marker after a period of time to obtain a change in the spatial information; and using the change in the spatial information to determine a change in a dimension (30) of the substrate. The method may be used to measure creep in a gas turbine engine component.

Abstract: A measuring system for determining a distance between a sensor device and a measured object, wherein the sensor device comprises a light source for generating an illumination light beam and a detector for detecting a portion of the illumination light beam reflected on the surface of the measured object and wherein the measured object is designed so it is transparent at least for a wavelength range of the visible light, is designed and further developed under consideration of the most reliable distance measurement possible in all types of measuring situations, that the illumination light beam has a wavelength in the violet or ultraviolet range and that the measured object is designed in such a way that the illumination light beam is diffusely reflected on the surface of the measured object. In addition, a corresponding measuring system is specified for measuring measured objects that are essentially impermeable to light.

Abstract: Layout equipment for locating a plurality of positions at a construction site is provided. The layout equipment includes a laser target rod, a self-leveling laser transmitter, and a remote control device. The rod has an elongated rod body including retroreflective material extending substantially the entire length of the body. The laser transmitter projects a beam of laser light, and receives laser light reflected from the rod. The laser transmitter includes a first wireless communication unit, and a transmitter control. The transmitter control is responsive to the first wireless communication unit. The remote control device includes a second wireless communication unit that communicates wirelessly with to the laser transmitter to cause the laser transmitter to project the beam of laser light toward a position at the construction site, and signals the user of the layout equipment when the rod has been placed at the position.

Abstract: A machine vision system may perform compressive sensing by aggregating signals from multiple pixels. The aggregation of signals may be based on a sampling function. The sampling function may be formed of a product of a random basis, which may be sparse, and a filtering function.

Abstract: A system for determining the orientation of a fixture relative to the Earth includes at least one sensor configured to detect a celestial body and provide signals indicative of a plurality of positions of a detected celestial body relative to the sensor over a period of time. The system further includes a processor configured to receive information relating to a time and date associated with the period of time during which the celestial body is detected, and information relating to an expected relationship between the detected celestial body and the Earth at the time and date. The processor is further configured to determine the orientation of the fixture relative to the Earth based on signals from the at least one sensor, and the information relating to the time and date and the expected relationship between the detected celestial body and the Earth at the time and date.

Abstract: A remote control is provided including a plurality of sensors which sense movement of the remote control, and a control unit which turns on at least one sensor of the plurality of sensors and thereby senses movement of the remote control, and determines whether to turn on or off the remaining sensors according to whether or not the at least one sensor senses movement of the remote control. Consequently, battery consumption is reduced.

Abstract: A path length control (PLC) driver of a ring laser gyroscope includes a first piezoelectric assembly including a first piezoelectric element, a second piezoelectric element, and a first electrode. The PLC driver further includes a second piezoelectric assembly including a third piezoelectric element, a fourth piezoelectric element, and a second electrode. The PLC driver further includes a baseplate positioned between the first piezoelectric assembly and the second piezoelectric assembly, including a pin extending through the first piezoelectric assembly. The PLC driver further includes a flexible coupling assembly that electrically couples the first electrode to a first wire harness connection point, the second electrode to a second wire harness connection point, and the pin to a third wire harness connection point. The flexible coupling assembly is bonded to a negative polarity side of the first piezoelectric element by a semi-rigid conductive adhesive.

Abstract: Systems and methods are provided for displaying a portion of a map on a mobile device of a user while the user is traveling along a route. The mobile device can use a selected route and a current location of the device to load map tiles for parts of the map that are upcoming along the route. In this manner, the user can have quick access to the portions of the map that the user likely will want to view. For example, the map tiles can be loaded for the next 50 Km, and then when the stored tiles reaches only 25 Km ahead, another 25 Km of tiles can be retrieved. The amount of tiles loaded (e.g., minimum and maximum amounts) can vary based on a variety of factors, such as network state, distance traveled along the route, and whether the mobile device is charging.

Abstract: A system and method for determining dynamically changing distributions of vehicles in a vehicle system are disclosed. The system and method determine handling parameters of the vehicle system. The handling parameters are determined for different distributions of the vehicles among different groups at different potential change points along a route. The system and method also determine whether to change the distributions at potential change points based on the handling parameters. Based on determining that the distributions are to change, a selected sequence of changes to the distributions is determined at one or more of the potential change points along the route. Change indices are generated based on the selected sequence. The change indices designate times and/or the one or more potential change points at which the distributions changes. The vehicles included in a common group have common designated operational settings while the vehicles are in the common group.

Abstract: A method, system, and computer program product for transmitting traffic congestion routing data to a community of global positioning system (GPS) devices. Community routing logic of a community routing system (CRS) receives a route request containing the current location and desired destination of a GPS device. The CRS may use the community routing logic to determine a path that the user of the GPS device should travel on to best minimize driving time and traffic conditions for a community of users of the CRS. The CRS considers road capacity, current traffic conditions, and historical traffic data for roads and alternate roads along a preferred route. The CRS also considers routes previously taken by the GPS device. Additionally, the CRS may receive information about routes taken by other GPS devices to further improve future routes of the community of GPS devices.

Abstract: Methods, systems, and vehicles are provided for localizing a vehicle. A sensor is configured to detect an object disposed in a generally upward direction from the vehicle while the vehicle is travelling. A processor is coupled to the sensor. The processor is configured to correlate the object with information from a map database, thereby generating a correlation, and determine a geographic location of the vehicle based on the correlation.

Abstract: Driving directions are presented where a maneuver in the driving directions includes a road symbol and an action symbol. A road symbol identifies the road involved in the particular maneuver, and an action symbol identifies an action to be performed to execute the particular maneuver. In one example, a road symbol, an action symbol and narrative text may be presented in displayed or printed driving directions. In another example, a road symbol and an action symbol may be used to describe a maneuver presented by an on-board or mobile navigation system when the vehicle in which the navigation system is present approaches the point at which the maneuver is to be taken. The road symbol and the action symbol may be presented with, or without, narrative driving directions.

Abstract: Specified streets or intersections that are within a specified distance of a specified city can be found by a search, even when they are not actually in that city. For computational efficiency, some addresses are included in search results even when they exceed the specified distance from the specified city by a small amount (“false positives”). The search method guarantees that no instance of the street name within the specified distance of the specified city is erroneously missed (“false negatives”).

Abstract: A method and an apparatus of displaying a plurality of items on a map includes operations of selecting the plurality of items, associating the plurality of items with a plurality of graphic attributes respectively in a manner that two items of the plurality of items are associated with different graphic attributes, and displaying the plurality of items using the plurality of graphic attributes. Thus, the method of displaying the plurality of items on the map allows a user to distinguish the plurality of items by graphic attributes while at least one of the plurality of items is specified by user's voice commands, even if the plurality of items belong to a same group attribute.

Abstract: A method of operation of a navigation system includes: preconstructing an inverted term index having a nested spatial index of at least one location; providing a search term and a search range for searching the inverted term index; locating the search term in the inverted term index and having the nested spatial index bounded by the search range; and retrieving a location record linked to the nested spatial index and associated with the search term and the search range for displaying on a device.

Abstract: A wearable device has a carrier having an aperture. A device has a USB connection and a protrusion wherein the protrusion is received in the aperture to connect the device to a wristband. The device is a USB type device having athletic functionality. The device may further be configured to receive calibration data such that a measured distance may be converted to a known distance based on athletic activity performed by a user.

Abstract: Disclosed herein is a distance measuring apparatus. The distance measuring apparatus includes a light-emitting unit configured to radiate light in a pulse form of a specific width, a light-receiving unit configured to include a plurality of cells for receiving reflected light radiated by the light-emitting unit and reflected by an object, and a processor configured to perform one or more of an operation for calculating a first distance of the object using a first method based on the locations of one or more cells which belong to the plurality of cells and on which the reflected light is focused and an operation for calculating a second distance of the object using a second method based on the time when the reflected light is reached and to correct the first distance calculated using the first method based on the second distance calculated using the second method.