Abstract: A device for the positioning of an electronic unit on a front-end section of a drill string of a ground drilling device includes a seat and a bearing surface. The electronic unit is designed to determine at least one of location, height, position and direction. The seat is configured for mounting or placement of the electronic unit onto the device. The bearing surface is adapted to be mounted to, or placed on, the outer contour of the front-end section to provide a predetermined positioning or reference between the seat and the front-end section of the drill string.

Abstract: A construction laser includes a base. The base includes a flat bottom surface that can be disposed on a work surface. There is a laser projector secured to the base. The laser projector includes a laser generator. The laser projector projects a laser beam onto the work surface when the flat bottom surface is disposed on the work surface. The construction laser also includes a pin. The pin secured to the base and being pivotable about an axis relative to the base.

Abstract: A guide light irradiation device to irradiate guide light to indicate a direction to a survey operator, includes a plurality of irradiators configured to each irradiate guide light differing in pattern between the left and the right of an irradiation direction as a center, the plurality of irradiators are juxtaposed in a left-right direction, and irradiation units of the plurality of irradiators are disposed so that the irradiation units match in the horizontal direction, and optical axes of the plurality of irradiators make a predetermined angle with each other in the vertical direction. Synthetic light of the respective guide lights has brightness obtained by summing brightnesses of the light sources of the respective irradiators, and has a fan shape extending in the vertical direction. A distance at which the light is visually recognized is long, and the guide light is easily found even at a location with level differences.

Abstract: The present disclosure provides a geodetic instrument (100) adapted to determine a direction and/or a distance to a target. The geodetic instrument includes an attachment device (120) for attaching the geodetic instrument to a holding arrangement (122); a motorized position arrangement for aiming a line of sight (L) of the geodetic instrument via rotation and/or translation of at least a part of the motorized position arrangement relative to the holding arrangement, and a controller (130). The controller is configured to, upon determining that a setting up of the geodetic instrument is required, provide a control sequence to the motorized positioning arrangement for causing a series of oscillatory rotational and/or translational movements of the at least a part of the motorized positioning arrangement. A method of setting up a geodetic instrument is also provided.

Abstract: A technique for reliably locking on a UAV in tracking the UAV by an optical device is provided. The location of a total station (TS) is measured, and location information of a UAV during hovering is obtained from a GPS unit that is mounted on the UAV. On the basis of the location of the TS and the location information of the UAV during hovering, the TS calculates the direction of the UAV as seen from the TS to capture the UAV.

Abstract: Novel tools and techniques for teaching a player the proper alignment when addressing a golf ball. In one aspect, such tools and techniques provide an alignment aid that allows the player to visualize both the intended target line of the shot as well as the position of the ball relative to the player's stance, allowing the player to easily modify his stance to obtain the proper alignment.

Abstract: An auxiliary device for facilitating the installation of a sensing device and a method therefor are disclosed, and the installation support device includes a main body, a first light source assembly and a second light source assembly. The main body has a clamping mechanism configured for mounting the main body onto the sensing device, the first light source assembly and the second light source assembly are disposed on the main body and has at least one solid state light source, and the first light source assembly projects a first pattern along a first projecting direction, and the second light source assembly projects a second pattern along a second projecting direction. The two projecting directions are crossed each other at a predetermined distance, and whether the sensing device is installed at a desired position is determined according to a relative position between the first pattern and the second pattern.

Abstract: There is provided a slide guide unit comprising; a guide base having V-grooves formed on both the side end faces in parallel, a slide block having a facing surface facing one of the V-grooves on both the side ends, conical recesses formed at two positions on the facing surface facing the one V-groove with a predetermined interval, first steel balls fitted in the conical recesses and fitted in the one V-groove, a steel ball support plate with spring action as disposed on a side surface of the slide block on the other V-groove side and a necessary number of second steel balls as fitted in a steel ball holding groove and the other V-groove, wherein the steel ball support plate has the steel ball holding groove facing the other V-groove, wherein the steel ball support plate presses the second steel balls to the other V-groove and the slide block is movable along the one V-groove side and the other V-groove side via the first steel balls and the second steel balls.

Abstract: A portable telescope that takes advantage of an offset optical pathway between the objective tube and eyepiece tube that allows adjustment of the eyepiece height independent of the objective tube elevation. A user-friendly, motorized, interactive, self-calibrating portable telescope with an offset optical path.

Abstract: A mounting device for use with a firearm comprising: (a) a first frame; (b) a second frame, where the first frame and the second frame collectively include a first sphere and a second sphere, where the first frame and the second frame collectively include a first receiver configured to restriction motion of the first sphere in at least one degree of freedom, where the first frame and the second frame collectively include a second receiver configured to restriction motion of the second sphere in at least one degree of freedom, and where the first frame and the second frame collectively include a projection and a lock configured to engage the projection and: (a) restrict motion of the first sphere in a degree of freedom not restricted by the first receiver, and (b) restrict motion of the second sphere in a degree of freedom not restricted by the second receiver.

Abstract: A laser measuring device is provided and includes a device top, a device bottom, wherein the device bottom includes a first bottom surface and a second bottom surface, wherein the first bottom surface is in a first plane and the second bottom surface is in a second plane to form a ledge between the first bottom surface and the second bottom surface, a device front portion, a device rear portion, wherein the device rear portion defines a scribe channel, a plurality of leveling vials, wherein each of the plurality of leveling vials are located in a separate plane and a laser light source, wherein the laser light source is associated with the device front portion such that when the laser light source is activated, laser light is emitted from the device front portion and is aligned with the scribe channel.

Abstract: A cross line laser (100) comprises a shell and a hanging system (101). The hanging system has two laser modules (110) arranged oppositely on a same plane. Each laser module comprises a laser device (121), a collimation device (130), and a cylindrical lens (140). The cylindrical lens has a high refraction index. Lasers emitted by the laser device passes through the collimation device and are incident on the cylindrical lens, and are split by the cylindrical lens to form laser rays with a diffusion angle approximately larger than 180 degrees. Horizontal laser rays generated by the two laser modules intersect with each other, so as to form laser rays with a diffusion angle of 360 degrees.

Abstract: A goniometer has a base defining a standing axis, a structure rotatable around the standing axis relative to the base, an angle encoder, and a control and processing unit. The structure has a graphic electronic information display arrangement having at least two display zones for displaying user guidance information and/or measuring information, a first of the at least two display zones being arranged in a first radial alignment relative to the standing axis on the structure. A second of the at least two display zones of the information display means is arranged in a second radial alignment relative to the standing axis on the structure, the first radial alignment and the second radial alignment enclosing an angle of at least 90°. The at least two display zones are automatically individually activated by the control and processing unit as a function of a fulfillment of a stored angular position criterion.

Abstract: A method of determining a target spatial coordinate using an apparatus comprising a movable hand-held probe, having a body and a pointing element for pointing the target spatial coordinate, and a portable base unit provided with line-of-sight distance coupling means, wherein the hand-held probe is coupled to the base unit by said line-of-sight distance coupling means, coupled to the body at an attachment point, and wherein the base unit is provided with sensors providing measuring signals for measuring length or a change in length of the line-of-sight distance coupling means and rotation of said line-of-sight distance coupling means in at least one degree of freedom. Computer-controlled processing means are arranged for processing measuring signals. The method further comprising retrieving measuring signals wherein the target spatial coordinate is appointed from different orientations of the hand-held probe, and determining the target spatial coordinate from the measuring signals.

Abstract: A rotary laser device and method is disclosed. The rotary laser device includes a laser device, which generates a laser beam, a rotating device, which moves the laser device at least partially around an axis of rotation at a rotation speed, and a measuring device, with which an angle of rotation of the laser device around the axis of rotation can be determined. A memory device is provided for saving at least one angular position.

Abstract: A self-leveling multi-line laser device is disclosed. The multi-line laser device includes at least two laser beams and at least two reflecting cones, wherein the cone axes of the reflecting cones are perpendicular to each other and each of the laser beams can be directed, preferably eccentrically, parallel to the axis of one of the reflecting cones against the tip of said reflecting cone. With the multi-line laser device, at least two projectable laser lines can be generated.

Abstract: A motor drive apparatus for a surveying instrument and a control method for controlling a surveying instrument enables a fast rotation of an instrument axis with high angular resolution. The motor drive apparatus for a surveying instrument includes a first motor for rotating an instrument axis. The first motor includes a stator and a rotor having a rotation axis and a plurality of step positions relative to the stator. The motor drive apparatus also includes a mounting unit for mounting the first motor so as to be pivotable around the rotation axis and an adjusting unit for rotating the stator of the first motor around the rotation axis.

Abstract: The invention relates to a system for determining a position by emitting a first laser beam (7) by a laser source (6) positioned in a reference system onto a detector (1) and simultaneously detecting the first laser beam (7) by the detector (1), thus defining an emission direction of the laser source (7). The detector (1) has a segmented detection area comprising a plurality of discrete partial detection areas (17), each having a defined partial detection direction and at least two partial detection directions thereof being different. When detecting the first laser beam (7), an impingement point (9) of the first laser beam (7) on the detector (1) is detected by means of at least one partial detection area (17), and when determining the incidence direction (10), said direction is derived from the at least one partial detection direction. The location of the detector (1) relative to the laser source (6) and the reference system is then determined using the emission direction and the incidence direction (10).

Abstract: A reference beam generator has first, second, and third projection turrets for projecting first, second, and third fan beams of laser light, respectively. The first, second, and third fan beams of laser light are oriented normal to each other. The turrets may be rotated such that each of said fan beams can each be rotated about an axis that is normal to the plane in which the fan beam is projected. The generator may be used to project a number of reference points and lines on multiple surfaces.

Abstract: A surveying instrument for measuring three-dimensional position of a measured object, has a detecting section for detecting a direction of the measured object by rotational emission of two or more fan-shaped laser beams in which at least one beam is inclined; an optical system including a tracking-light-emitting section for emitting a tracking light and a distance-measuring-light-emitting section for emitting a distance-measuring light; a tracking-light-receiving section for receiving the tracking light reflected by the measured object; and a driving section for driving the optical system in order to collimate the measured object according to an output of the detecting section and an output of the tracking-light-receiving section.

Abstract: A motor drive apparatus for a surveying instrument and a control method for controlling a surveying instrument enables a fast rotation of an instrument axis with high angular resolution. The motor drive apparatus for a surveying instrument includes a first motor for rotating an instrument axis. The first motor includes a stator and a rotor having a rotation axis and a plurality of step positions relative to the stator. The motor drive apparatus also includes a mounting unit for mounting the first motor so as to be pivotable around the rotation axis and an adjusting unit for rotating the stator of the first motor around the rotation axis.

Abstract: The utility model relates to a kind of laser straight liner, including a foundation and a base, wherein said foundation is provided with batteries and said base is provided with at least one laser projection module. Said base and said foundation are connected in the way that is 360 degrees rotatable. One side of said foundation that faces said base is provided with the anode and cathode conduction rings that can connect batteries, and one side of said base that faces said foundation is provided with two contact pieces that can connect various laser projection modules and also can touch the anode and cathode conduction rings, thus realizing the conduction-wire-free connection between said laser projection modules and said batteries. This utility model makes said laser projection modules freely rotatable on said foundation, and thus the rotated angle during marking can be accurately controlled, ingenious and reasonable in design and convenient in operation.

Abstract: A leveling device for determining the zero pressure point of an external draining system with respect to a patient is provided. The leveling device generally includes a body having a viewing element defining a field of vision, and a reference point indicator spaced apart from the viewing element and disposed within the line of vision. The viewing element and the reference point indicator define a line of sight. The device further includes a horizontal level indicator mated to the body and oriented parallel to the line of sight established by the viewing element and the reference point indicator. The horizontal level indicator is effective to indicate the horizontal alignment of the body with respect to a particular reference point viewed through the viewing element and indicated by the reference point indicator.

Abstract: A surveying instrument for measuring three-dimensional position of a measured object, has a detecting section for detecting a direction of the measured object by rotational emission of two or more fan-shaped laser beams in which at least one beam is inclined; an optical system including a tracking-light-emitting section for emitting a tracking light and a distance-measuring-light-emitting section for emitting a distance-measuring light; a tracking-light-receiving section for receiving the tracking light reflected by the measured object; and a driving section for driving the optical system in order to collimate the measured object according to an output of the detecting section and an output of the tracking-light-receiving section.

Abstract: A level, particularly a laser level is provided with a chassis simultaneously pivotable in at least a first direction and a second direction under the influence of gravity and a housing surrounding at least a portion of the chassis. The chassis carries a first light source for emitting a first light beam from the housing along a first plane and a second light for emitting a second light beam from the housing along a second plane.

Abstract: In a position control arrangement for controlling the rotational position of a movable unit, especially for a surveying instrument, an electric motor is arranged to rotate the movable unit around an axis of rotation, and there are controllers for enabling the motor to stop the movable unit in a desired rotational position. The motor is a direct drive motor, the shaft of which forms the axis of rotation for the movable unit, and the motor is arranged to selectively operate in either a first, normal mode for rotating the movable unit to a desired position, or in a second, friction mode for providing resistance to a forced rotation of the movable unit from a predetermined position to a new position. A control unit detects the presence of a forced rotation and automatically changes the mode of operation in response thereto.

Abstract: There are provided a horizontal angle detector for detecting a horizontal angle, an elevation angle detector for detecting an elevation angle, a dynamic displacement detecting means 10 for detecting posture displacement of a surveying instrument main unit in two horizontal directions, and a calculating unit, wherein said dynamic displacement detecting means detects displacement with respect to standard posture of the surveying instrument main unit 1, said calculating unit calculates the horizontal angle and the elevation angle corresponding to dynamic displacement detected by said dynamic displacement detecting means, and compensates the horizontal angle and the elevation angle obtained by the horizontal angle detector and the elevation angle detector respectively are compensated based on the calculated horizontal angle and the calculated elevation angle.

Abstract: A mount for removably mounting a device to a reference surface is provided. The mount includes a thermoplastic hot melt adhesive, and a tab that extends from the adhesive. The adhesive is configured to adhere to the surface and the device when the device is mounted to the surface. The adhesive is also configured to be removed from the surface without damaging the surface by moving the tab in a direction substantially parallel to the surface.

Abstract: The present invention provides apparatus and a method for projecting an indication of alignment. The invention features forming a first output beam, and a second output beam that is substantially perpendicular to the first output beam. The first output beam indicates level, the second output beam indicates plumb, and the first and second output beams together indicate square.

Abstract: A laser transmitter adapted for use in small spaces such as pipes and sewers includes a housing having two exit windows positioned in generally orthogonal planes. The laser transmitter includes a leveling mechanism that is capable of directing a collimated beam through a select one of the two exit windows, in a generally horizontal direction at a specified grade irrespective of whether the laser transmitter is oriented generally horizontally or generally vertically.

Abstract: A laser unit for providing at least one of a laser level line and a laser plumb line, where the unit includes both a locked mode and an unlocked (or auto-leveling) mode. In the unlocked mode, the laser unit is configured to provide at least one of a level line or a plumb line when the pendulum assembly is free to settle to a point of equilibrium. In the locked mode, a pendulum locking mechanism locks the laser assembly into a fixed position regardless of the orientation of the laser unit. Optionally, an attachment accessory may also be provided. The attachment accessory preferably includes a ball and socket joint attachment assembly that is configured for attaching the laser unit to the attachment accessory such that the laser unit can be rotated or tilted with respect to the attachment accessory.

Abstract: Systems and techniques for tracking the geographic location. In one aspect, a method includes receiving timed magnetic field information descriptive of a magnetic field to which a magnetometer was subject, the magnetic field information having been collected while the magnetometer was associated with an animal, receiving timed longitude information descriptive of a longitude position of the animal, the longitude information having been collected while the magnetometer was associated with the animal, and matching the longitude information that is relevant to a first time to the magnetic field information that is relevant to the first time to determine a geographic location of the animal at the first time.

Abstract: An assembly for generating light lines on a surface is disclosed. The assembly may include a first housing coupled to a second housing. The first housing includes the first housing may include a first light source and a second light source capable of generating intersecting light lines on the surface. The first housing, moreover, may be repositioned with respect to the second housing to reorient the light lines on the surface. The assembly may further include a pendulum assembly operable to self-level the light lines to create substantially vertical (plumb) and/or horizontal lines over a generally vertical surface such as a wall.

Abstract: A laser unit for providing at least one of a laser level line and a laser plumb line, where the unit includes both a locked mode and an unlocked (or auto-leveling) mode. In the unlocked mode, the laser unit is configured to provide at least one of a level line or a plumb line when the pendulum assembly is free to settle to a point of equilibrium. In the locked mode, a pendulum locking mechanism locks the laser assembly into a fixed position regardless of the orientation of the laser unit. Optionally, an attachment accessory may also be provided. The attachment accessory preferably includes a ball and socket joint attachment assembly that is configured for attaching the laser unit to the attachment accessory such that the laser unit can be rotated or tilted with respect to the attachment accessory.

Abstract: A light emitting module and a modular light emitting system with leveling capability. The system relates to light-based (e.g. lower-based) layout tools of the type used in the construction industry. More specifically, the system relates to a modular light emitting system for projection visible patterns, such as dots, lines, cross-lines and other patterns, on one or more distant surfaces for purposes of alignment, construction, verification and the like.

Abstract: A laser level disposable on a reference surface includes a housing, a pendulum pivotably connected to the housing, a first laser diode disposed on the pendulum for emitting a first laser beam along a first path, a first lens disposed on the pendulum in the first path for converting the first laser beam into a first planar beam, the first planar beam forming a first line on the reference surface, a second laser diode disposed on the pendulum for emitting a second laser beam along a second path, and a second lens disposed on the pendulum in the second path for converting the second laser beam into a second planar beam, the second planar beam forming a second line on the reference surface, wherein the first and second lines are substantially perpendicular and non-intersecting.

Abstract: A laser indicator has a laser mechanism having three laser generators generating laser beams perpendicular to each other. Each of the three laser generators is electrically coupled to a separate laser control motor for independent control of the beam of the corresponding laser generator. The laser indicator further includes an adjusting mechanism including a control circuit module, a frame having an adjustment support associated therewith, and a plurality of level control motors disposed in the frame. The laser indicator also includes a laser generator adjuster and tightener.

Abstract: A laser level disposable on a reference surface includes a housing, a pendulum pivotably connected to the housing, a first laser diode disposed on the pendulum for emitting a first laser beam along a first path, and a lens disposed on the pendulum in the first path for converting the first laser beam into a first planar beam, the first planar beam forming a line on the reference surface.

Abstract: A laser centering device (30) that is attached to a survey apparatus by replacing it with a centering telescope optical system is formed of an inner barrel (32) that fixes a pentagonal prism (40) at one end thereof and is internally provided with a laser beam source (42), an intermediate barrel (34) that moves the inner barrel in the axial direction and fixes it so as to adjust the position thereof, and an outer barrel (36) that turns the intermediate barrel around the axis and fixes it so as to adjust the angle thereof, and at the same time, is fixed at the portion (38) for fixing the centering telescope optical system of the survey apparatus (1). The invention provides a laser centering device for which the emission direction of a laser beam is simply adjusted.

Abstract: A laser level disposable on a reference surface includes a housing, a pendulum pivotably connected to the housing, a first laser diode disposed on the pendulum for emitting a first laser beam along a first path, a first lens disposed on the pendulum in the first path for converting the first laser beam into a first planar beam, the first planar beam forming a first line on the reference surface, a second laser diode disposed on the pendulum for emitting a second laser beam along a second path, and a second lens disposed on the pendulum in the second path for converting the second laser beam into a second planar beam, the second planar beam forming a second line on the reference surface, wherein the first and second lines are substantially perpendicular and non-intersecting.

Abstract: The present invention provides an apparatus and method for projecting a reference plane. The invention features emitting a light beam, splitting the light bean into two or more resulting beams, and converting the resulting beams into respective projected lines. The projected lines can be used to indicate a reference plane that substantially spans greater than 90 degrees from a reference point. The invention also features at least two lasers configured and arranged to emit a laser beam. An optical element corresponds to each laser to convert each laser beam into an output line that are projected to form only a single reference plane.

Abstract: A light leveling device includes a stationary light instrument received in a housing, and a rotatable light instrument rotatably attached to the housing, to allow the rotatable light instrument to be rotated and adjusted relative to the housing and the stationary light instrument. A carrier is rotatably secured to the housing to support the rotatable light instrument, and a motor may be coupled to the carrier to rotate and adjust the carrier and the rotatable light instrument relative to the housing automatically. A remote control device may further be used to remotely control the motor.

Abstract: A survey device for determining an elevation of a subterranean architectural feature includes a distance sensor operable to generate a first signal indicative of a line-of-sight distance from the survey device to the subterranean architectural feature. The device also includes an angle sensor operable to generate a second signal indicative of an angular position of the survey device relative to a vertical reference. A processor is electrically coupled to both the distance sensor and the angle sensor. A method of operating a survey device is also disclosed.

Abstract: A laser beam module capable of simultaneously producing two mutually perpendicular optical indicator planes, and adapted for usage on building construction sites, thereat synchronously acquiring horizontal and perpendicular measurements as a basis for datum lines. The laser beam module primarily comprises a laser beam generator, a deflector is disposed in an optical path and utilized to split a laser beam thereof, whereby two light beams emerging from the deflector synchronously proceed towards two optical expanders, the two optical expanders being positioned such as to be mutually perpendicularly related, wherefrom the two light beams are synchronously transformed and therefrom expand to project a horizontal optical plane (beam) and a vertical optical plane (beam).

Abstract: A self-contained laser generator uses a laser diode and a mirror to generate a laser light beam, split it into two parts, and generate perpendicular beams of laser light. One of more mirrors are useful for receiving light and splitting it into two beams. An internal motor then rotates the mirrors and one of the beams becomes a rotating laser light, useful for aligning objects in a horizontal or vertical direction. The other beam may be used to locate and orient the rotating laser line generator in a different plane.

Abstract: A self-leveling tool for projecting a line of light along a wall or other vertical surface at one of a plurality of predetermined angles. The tool self-aligns to emit a plane of light at one of the predetermined angles (e.g., 0, 90, 180 or 270 degrees), thereby projecting a line on the wall in a desired direction (e.g., right, up, left or down).

Abstract: A laser indicator includes a weight mechanism having a bracket with a weight secured to the bracket in a manner where the weight is suspended by gravity. A plurality of laser generators are arranged about the weight, including a horizontal beam generator, a center laser generator arranged at the axial center of the bottom of the weight for emitting a laser point coaxial to the axial line of the weight, and a plurality of vertical beam generators positioned in spaced-apart manner around the axial center of the weight at the top of the weight. The laser indicator can include a stand that includes a seat having a plurality of legs, and a rotary table having a plurality of legs, with the weight mechanism coupled to the rotary table, and the rotary table removably coupled to the seat so that altitude of the weight mechanism can be adjusted. In addition, the laser indicator can include a securing mechanism is for coupling the weight to the upper bracket of the bracket.

Abstract: The present invention discloses a laser-plumbing leveler with adjustable height of the horizontal line, which comprises a laser emitting device, a laser line (plane) projecting optical system, and a laser line (plane) rotating and/or moving unit, wherein the laser line (plane) projecting optical system comprises a horizontal laser unit, a vertical laser unit and/or inclined laser unit and so forth. The laser-plumbing leveler according to the invention can be used in building decoration or the like for positioning at different height in horizontal, vertical and inclined directions, and has the advantages of easy use, reliable leveling, simple construction and low price.

Abstract: A constructional laser including a self-leveling optical system located in the laser housing (2) and generating a visible plumb light beam (5a) and/or visible horizontal light beam (5b), and a stand (7) fixedly secured to the housing (2) for mounting the housing on a bearing support (6), with the stand (7) being continuously pivotable about a pivot axis (A) transverse to the light beam (5a, 5b) in an angular region (↑) of greater than (20°) and discretely pivotable in angular steps encompassing the self-leveling region (a) and locable in its pivotal position.

Abstract: The kinematic mount preferably includes a first plate, a second plate, and a three connectors. The first plate has three indentations therein, where the indentations are each located at respective apexes of an equilateral triangle. The second plate has three grooves therein, where the grooves are spaced 120 degrees apart from one another. Each connector comprises a first surface and a second surface. The first surface forms an annular contact line between the first surface and one of the indentations. The second surface is coupled to the first surface and defines two substantially parallel contact lines between the second surface and one of the grooves. In a preferred embodiment, the first surface defines a spherical surface and the second surface defines a cylindrical surface.