280results about "Surveying with inclination sensor" patented technology

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.

A system and method of generating a two-dimensional (2D) image of an environment is provided. The system includes a housing having a body and a handle. A 2D scanner is disposed in the body and has a light source, an image sensor and a controller, the light source steers a beam of light within a first plane to illuminate object points in the environment. The image sensor is arranged to receive light reflected from the object points and the controller determines a distance value to at least one of the object points. An inertial measurement unit is provided having a 3D accelerometer and a 3D gyroscope. One or more processors are responsive to executable instructions for generating a 2D image of the environment in response to an activation signal from an operator and based at least in part on the distance values and the signal.

A laser alignment device includes a laser generating device, an upper attachment portion, and a lower attachment portion. The laser generating device includes a housing and a laser generator. The upper attachment portion is disposed near a bottom of the housing, and the lower attachment portion is pivotally and / or rotationally connected to the upper attachment portion.

Novel solutions for position measurement, including without limitation tools and techniques that can be used for land surveying and in similar applications. One such tool is a greatly enhanced position measurement system that takes the form of a surveying rod with substantial independent functionality, which can be used with or without a total station or similar device.

The invention provides a posture detecting device, which comprises a tilt detecting unit as rotatably supported around two shafts perpendicular each other to an outer frame and for detecting a tilting from the horizontal, encoders provided on each of the shafts, motors provided so as to rotate each shaft, and a first arithmetic processing unit for driving / controlling the motor based on a detection result from the tilt detecting unit, wherein the first arithmetic processing unit drives the motors so that the tilt detecting unit detects the horizontal based on a signal from the tilt detecting unit when the outer frame is tilted and calculates a posture of the outer frame based on outputs of the encoders when the tilt detecting unit detects the horizontal.

A laser level that is mounted within a housing with the housing being pivotally movable relative to a base. The base is then to be placeable in conjunction with a hinge plate assembly composed of a main plate and an adjusting plate with the adjustable plate being also pivotally movable relative to the main plate. The result is the housing is pivotable in a clockwise direction within a first range of motion and then is pivotable in a counterclockwise direction within a second range of motion. The laser level of this invention is to project a laser beam onto a wall with the laser beam being in the form of a horizontal line or a vertical line and horizontal line. The vertical line is to be aligned with a particular mark on a wall. The horizontal line can be aligned with a wall / floor joint so that the horizontal line will be parallel to this joint when the horizontal line is moved away from the wall / floor joint and projected at a selected height on the wall.

A slope block assembly having a bubble level with an eccentrically mounted slope block detachably carried on one end of the level. The slope block has an offset turning axis with a plurality of supporting surfaces, all located at different distances from the turning axis. The support surfaces cooperate with an undersurface or support point on the level to direct a laser beam at a desired angle with respect to a round or flat reference surface. Grooves are provided on the slope block support surfaces as well as on the level undersurface to support the level and slope block assembly on a round or curved reference surface.

A level laser indicator comprising a housing, a laser-indicating means and a bubble leveler; wherein one position of the housing is equipped with a laser-indicating means that can rotate freely, which makes the emitting laser light closing to the housing and the measuring surface as the visible light by a refractive lens installed in the front of it; the other position of the housing is equipped with a bubble leveler, which provides a set of holding arms. In addition, there are two nails passes through a base and a magnet is installed on it, so that the whole is conveniently fixed to the wall or the metal surface on a datum plane of measure. Furthermore, two sides of the housing are installed with several vertical grooves / marks, and the angle scale is drawn around said laser-indicating means to conveniently provide with precise measurement of plane.

A laser leveling device includes a laser instrument disposed in a housing, a plate slidably received in the housing and a lens attached to the plate. The lens includes two or more portions having different patterns to generate different light beams when the laser instrument generates the light through either of the portions of the lens, by moving the plate relative to the housing. The plate includes an aperture movable to align with the laser instrument, to allow the light beam to selectively emit through the aperture of the plate directly, without emitting through the lens. A switch may be disposed in the housing and actuated by the plate when either the aperture or the lens of the plate is aligned with the laser instrument.

An apparatus and method for efficiently generating a visible line of light on a surface such as a wall or a floor for the purpose of facilitating the layout process used in construction. Reference marking elements on the instrument correspond to the light beam's position. One or more level vials may be included for indicating vertical and horizontal, as well as a magnet for mounting and a reference bracket for a stud-finder instrument. In one embodiment the instrument is self-leveling on one axis only and is useful for projecting one or more orthogonal lines on a wall surface. The instrument, self-leveling or not, can be combined with a stud finder.

A removable laser base for a bubble level that includes a body, a laser beam generator, and a removable securement. The body has a flat top surface that the level is secured to and a bottom surface that is flat and parallel to the top surface. A laser diode mounted in a module emits a visible laser beam upon application of power from a battery that is controlled by a switch. The module, batteries, and switch are mounted in a through bore in the body. The laser base is removably secured to the bubble level by any manner appropriate to the shape of the level. In one such securement, the level has a T-shaped cross-section and the body has a complementary slot into which the level slides. When the level reference surface abuts the top surface of the laser base, a thumb screw is tightened to frictionally secure the level in the base.

A method and apparatus utilizing a high-precision GNSS receiver, an EDM, and an optical camera in combination for making accurate measurements of multiple remote points. The accurate measurement of a plurality of remote points is facilitated by integrating a high-precision GNSS receiver, an EDM and an optical camera such that their combined physical location and orientation can be measured and known, and allowing for a single calibration thereof. The integration of the high-precision GNSS receiver, an EDM, and an optical camera may take various forms such as a single, integrated device, or individual devices assembled together on a surveying pole, for example. The integrated device may also include one or more sensors such as an inclination sensor and an inertial measurement unit.

A projection device that graphically shows a schedule, which includes at least one light source adapted to emit a beam of light and an aiming device adapted to receive the beam of light and project the beam of light onto a surface. The projection device produces a plurality of illuminated points or segments corresponding to a schedule.

A laser level is adapted to direct a laser path against a working surface. The level comprises a base, the base comprising at least one pair of opposing edges, the base adapted to be positioned relative to the working surface such that each of the opposing edges is adjacent to the working surface. The level comprises an adhesive layer, the adhesive layer being situated on the base so as to removably affix the base on the working surface without damaging the working surface. The level comprising an activating switch, the switch being located on the level at a location offset from the laser path.

A construction laser with at least one laser beam (4) defining a plane (3) has a laser unit (6) which is tiltable with respect to a housing (5) around at least one swiveling axis (9a) and includes at least one leveling sensor (10a) which is sensitive to the swiveling axis (9a) for a highly precise orientation to the gravitational field (G), and at least one tilt sensor (11a) which is sensitive to the swiveling axis (9a) for direct measurement of an inclination angle [alpha] relative to the gravitational field (G).

The present invention comprises a modified commercially available laser level, with a series of accessories to enable it to be used in a variety of usage configurations and orientations. The precise lazer tool includes at least one laser level assembly, at least two extensions, at least two base assemblies, at least one free standing magnetic scale, and a magnetic tape measure. The present invention is capable of establishing a datum line under the vehicle or other structure, along the sides, or other points remote from the frame. In addition, the present invention has means for placing it on a level surface. The present invention is also significantly less expensive than prior measuring devices.

The present invention relates to an optical instrument with an angle indicator and a method for operating the same enabling simple monitoring of instrument inclination and operation in a large angle range. The optical instrument comprises a base portion, a head portion tiltable relative to the base portion within a device angle range, a base angle indicator attached to the base portion for determining a base angle of the base portion and a determination unit for determining an indication angle range of the head portion based on the base angle and the device angle range.

The present invention provides a tilt detecting device (1), comprising a first tilt sensor (2) for detecting a tilting with respect to direction of gravity with high accuracy, a second tilt sensor (3) for detecting the tilting with respect to direction of gravity and for detecting the tilting with lower accuracy than that of the first tilt sensor and in a range wider than that of the first tilt sensor, wherein the first tilt sensor and the second tilt sensor are fixed relatively to each other, and the tilting is detected by the second tilt sensor by using a reference position and a detecting direction as detected by the first tilt sensor as reference.

A graphics-aided geodesic device is provided. The device includes an antenna for receiving position data from a plurality of satellites and a receiver coupled to the antenna. The device further includes orientation circuitry for obtaining orientation data. The orientation data represents an orientation of the apparatus with respect to a plane parallel with a horizon. The device further includes positioning circuitry for determining the position of the point of interest based at least on the position data and the orientation data.

A construction laser system includes a rotating laser with self-leveling and a laser receiver. The system performs a self-leveling recalibration process by which-the self-leveling is checked automatically for quality and the related calibration data is updated automatically. A sequence of N calibration measurements is defined, where N is greater than or equal to three. The calibration measurements are obtained by the rotating laser and the laser receiver with a respective azimuthal alignment of the stand while the position of the laser receiver remains unchanged. As part of each calibration measurement, one output signal dependent on the laser beam impingement position is detected. The respective output signals or specified impingement positions are evaluated in pairs correlated with the respective I-th azimuthal alignments. The quality of the beam leveling functionality is thereby checked. If the requirements are not met, the previously stored calibration data can then be updated automatically.

A laser level disposable on a reference surface includes a housing, a laser diode disposed within the housing for emitting a laser beam along a path, a lens disposed in the path for converting the laser beam into a planar beam. The planar beam thus forms a line on the reference surface. The laser level also includes an electronic distance measurement circuit disposed within the housing for measuring distance. The distance measurement circuit including a display for showing the measured distance.

Some embodiments of the invention relate to a surveying apparatus in the form of a scanner comprising a beam deflection unit, such a beam deflection unit and a measuring method to be carried out with said surveying apparatus. The surveying apparatus comprises a radiation source for generating measurement radiation and a detector for receiving reflected measurement radiation, called reflection radiation for short, which was reflected at an object of interest, wherein measurement radiation and reflection radiation have substantially the same optical path. Situated in said optical path there is a beam deflection unit mounted rotatably about a rotation axis and serving for adjustably aligning the measurement radiation and for capturing the reflected radiation

A line generating device may include a housing, a support assembly mounted within the housing, a light source mounted on the support assembly, a lens mounted on at least one of the support assembly and the light source, the lens receiving light and projecting the light in the shape of a fan within a plane, and a first level vial mounted on the support assembly, wherein the first level vial is coplanar or perpendicular to the plane. The device may also include a magnet mounted on the support assembly.

A protractor for measuring and constructing angles includes a body having a base member and an arcuate member connecting opposed ends of the base member. A bottom surface of the base member and a bottom surface of the arcuate member are disposed in a substantially identical plane. A degree scale is engageable with a predetermined portion of the arcuate member and an elongated arm has a first end rotatably attached to the base member and has a second end disposed in close proximity to the degree scale. A laser is attached to the second end of the elongated arm and is capable of generating a light beam.

A line generating device may include a housing having a bottom surface, a top surface, a front surface connecting the top and bottom surfaces, a rear surface connecting the top and bottom surfaces, and a side surface connecting the top and bottom surfaces, a support assembly mounted within the housing. In addition, the device may include a light source mounted on the support assembly, and a lens for receiving light and projecting the light in the shape of a fan within a plane. The light plane exits through the front surface. The device is disposable on a reference surface on the bottom, rear and side surfaces.

The present invention discloses a laser alignment device which has a simple structure, easy operation and economical utility, and which includes a casing, a laser emitting unit that is mounted in the casing and may emit a planar laser beam, a first mounting plane and a second mounting plane connected fixedly to the laser emitting unit, a first and a second electronic obliquity sensing units fixed on the first and the second mounting planes respectively, an automatic adjusting means, a first and a second surfaces both of which may contact with the settling surface of the laser alignment device, said first surface being connected moveably with said laser emitting unit through said automatic adjusting means, and a control circuit connected electrically with said first and second obliquity sensing units and said automatic adjusting means, at least the first one of said first and second obliquity sensing units being a double shaft obliquity sensing unit. Using this configuration, the same laser alignment device may form not only a horizontal planar laser beam but also a vertical planar laser beam, and may sense automatically the deviating degree from the horizontal or vertical for the planar laser beam adjust it automatically, so as to omit the step of adjusting manually and simplify its operation.