| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 033290000 | Level (i.e., surveyor's type) | 44 |
| 20090193671 | LIGHT LINE GENERATING DEVICE - A light line generating device is configured to generate horizontal and vertical light lines on a work surface. The device includes a pendulum assembly, a pendulum lock mechanism, level indicator device, a light line generating assembly. The pendulum assembly includes a gimbal mechanism that supports a pendulum such that the pendulum levels within two planes. The lock mechanism is configured to selectively capture the pendulum. The level indicator device and the light line generating assembly are coupled to the pendulum. The device further includes a pendulum reorientation mechanism configured to reposition the gimbal. In operation, the device may be utilized to generate either a self-leveling horizontal light line or a manually-leveled vertical light line | 08-06-2009 |
| 20100031520 | LASER INSTRUMENT - A laser instrument is disclosed. The laser instrument having a laser unit, and a sliding bearing device with a joint socket and a sliding unit, where the sliding unit has a convex surface in the shape of cylinder section and the joint socket has a concave surface in the shape a hollow cylinder section such that the convex surface can engage in the concave surface and the laser unit tilts in a swivel plane during a relative movement between the convex surface and the concave surface. | 02-11-2010 |
| 20100031521 | ROTARY CONSTRUCTION LASER - A laser instrument is disclosed. The laser instrument having a laser unit, a drive device for tilting the laser unit, and a damper device between the drive device and the laser unit. | 02-11-2010 |
| 20100037474 | GEODETIC INSTRUMENT AND RELATED METHOD - A geodetic instrument is disclosed, wherein an image sensor is used for locating the instrument above a desired point on the ground. The positioning of the image sensor with respect to the instrument vertical rotation axis is determined, or calibrated, using a method where two images are captured at different horizontal rotational positions for the instrument, and where the center pixel of the image sensor is related to the vertical rotation axis by means of image processing. It is also disclosed how reflecting elements, such as prisms, may be used for providing stereoscopic vision that can be used for determining the instrument height above the ground. | 02-18-2010 |
| 20100058598 | REFERENCE BEAM GENERATOR FOR GENERATING GUIDE BEAMS FOR MARKING MACHINES - A reference beam generator ( | 03-11-2010 |
| 20100088910 | AIMING OF A GEODETIC INSTRUMENT - A method for aiming a surveying instrument towards a selected target is disclosed. The method includes, in at least one embodiment, capturing an image using a camera in the surveying instrument; selecting a target by identifying an object point in the image captured by the surveying instrument; calculating first horizontal and vertical rotation angles based on the object point identified in the image; rotating the surveying instrument over the first horizontal and vertical rotation angles to an intermediate line of sight; measuring a distance to a point along the intermediate line of sight; and calculating second horizontal and vertical rotation angles based on the object point in the image and on the measured distance. In at least one embodiment, the method may be implemented using computer software, hardware, firmware or a combination thereof. There is also disclosed a surveying instrument in which at least one embodiment of the method is implemented. | 04-15-2010 |
| 20100223795 | Level - A combination level/try square includes an elongated body with an arm at one end thereof. The arm is rotatable between a non-use position against the body and a use position in which the body and the arm define a try square. The body incorporates three indicators, namely a plumb indicator, a level indicator and a slope indicator. In a second embodiment, a laser pointer is provided on one end of the body. | 09-09-2010 |
| 20120055035 | METHOD, APPARATUS, AND DEVICES FOR PROJECTING LASER PLANES - An apparatus is disclosed, along with methods and constituent devices, for generating omnidirectional planar projections for an exemplary laser application to provide visual references for the construction field. The preferred embodiment utilizes a convex cone lens, the lateral surface of which provides for total internal reflection, to disperse the incident beam. The curvatures of the interior and exterior surfaces of a toroidal ring lens normalize and athermalize the dispersed beam such that the resulting projection is orthogonal to the incident beam throughout an operable temperature range. Alternate optical embodiments are also disclosed which utilize various means of dispersal and normalization such as a conical reflector, concave cone lens, double-prism ring and well-adapted spherical lenses. The preferred embodiment is adapted as a portable construction tool by additionally disclosed components including a path-compression prism assembly, an adjustable tripod support adapted to a structural base assembly, and various embodiments of a lens-shield concept. | 03-08-2012 |
| 20120216413 | Tilt Detecting Device And Laser Surveying Instrument - The present invention provides a tilt detecting device ( | 08-30-2012 |
| 20120272536 | Survey Setting Point Indicating Device - A survey setting point indicating device comprises a support member | 11-01-2012 |
| 20130111770 | Light Beam Emission Device for a Measuring Device and Method for Changing the Optical Properties of a Light Beam - The present invention relates to a light beam emission device for a measuring device for changing the optical properties of a light beam as well as to a corresponding method and to a measuring instrument which uses the light beam emission device, wherein the optical properties of the light beam can be changed automatically thereby from one state to another state. The light beam emission device comprises a base body with an opening for the passage of the light beam; a head which is arranged rotatably around a rotation axis on the base body, and which corresponds substantially to the propagation direction of the light beam through the base body; an optical element, which is arranged turnably around a turning axis on the head; and a turning mechanism for producing a turning of the optical element around the turning axis; wherein the turning mechanism is designed to turn the optical element to a first position and to a second position, second position in which the optical element is located in the light beam, so that the optical properties of the light beam are changed depending on the function of the optical element. | 05-09-2013 |
| 20130167386 | OPTICAL LEVELING INSTRUMENT WITH CENTRAL COMMON POINT CONSOLIDATION STRUCTURE - The present invention provides an optical leveling instrument with central common point consolidation structure, and more particularly the center of working indicator light beams meet at the center of rotation point of two axes of toggle movement to serve as a central common point of center of rotation. During the stopping process, no height difference occurs in the directional light beams emitted by the instrument. The optical leveling instrument comprises a universal toggle support, and two horizontal working axes thereof intersect in the same plane and serves as the central common point of center of rotation. Moreover, centers of directional light beams emitted by a set of light emitting modules to collectively form the central common point of center of rotation. | 07-04-2013 |
| 20130269195 | Electronic Level - An electronic level for receiving a reflection light from a pattern marked on a leveling rod and for determining a height of sighting position and a distance to the leveling rod is disclosed. The electronic level comprises an electronic level main unit, a sighting optical system accommodated in the electronic level main unit and for sighting the leveling rod, a line sensor for receiving a part of reflection light, and a control arithmetic unit for calculating a height of sighting position and a distance to the leveling rod based on signals from the line sensor. The electronic level has a crude measurement mode and a precise measurement mode, wherein the crude measurement mode is initiated by the control arithmetic unit, and the measurement mode is changed over to the precise measurement mode by detecting the pattern based on a photodetection signal from said line sensor by measurement. | 10-17-2013 |
| 20130276316 | Plumbing Path Guide Apparatus - A plumbing path guide apparatus comprising a plurality of interconnectable elements, said elements interconnectable by means of female and male connectors configured to slidingly mate with each other, wherein a perceived plumbing path is erectable between at least two extant points whereby measurements of extant pipe required to plumb said plumbing path are ascertained as the apparatus is erected. | 10-24-2013 |
| 20140026427 | Laser Measuring Device - The tool is V shaped constructed of aluminum. A ninety degree ledge is located on the bottom side extending across the center of the tool, a scribing channel located in the center of the bottom and top, two leveling screws, four ports (screws can be moved between ports) two located on the front right and left side of the laser, and two located on the right and left side on the top of the unit, three leveling vials 5/16×⅞ one located on the front right of the laser and two located on the top, left side and right side and one (line not dot) three volt brass housed infrared optic and laser diode with attached driver 635 nm 8 mm×13 mm. It is powered by two 1.5 volt batteries encased within the unit located on the top side secured with two screws, On/Off switch located on top side. | 01-30-2014 |
| 20140075767 | System with a Measurement Bar and a Measurement Device - The disclosure proceeds from a system with a measurement bar and a measurement device, having at least one computation unit, an inclination measurement means and an electronic distance measurement means. The disclosure proposes that the system have a coupling apparatus which is provided for coupling the measurement bar and the measurement device such that they can be separated by an operator. | 03-20-2014 |
| 20140259709 | Surveying Instrument - The invention provides a surveying instrument ( | 09-18-2014 |
| 20140373370 | LASER SURVEYING DEVICE - A laser surveying device includes a rotatable and tiltable laser head in a housing to rotate about a rotational axis set in a certain direction and project a laser beam around and a tilt angle detector to detect a tilt angle of the laser head relative to the housing. The tilt angle detector includes a pattern plate on which a certain pattern is formed, provided in one of the laser head and the housing, light receiving elements arranged in the other of the laser head and the housing at different positions opposite to positions of the pattern plate to receive light beams reflected by the pattern plate, and a determiner to determine a direction and an amount of tilt of the laser head on the basis of a light receiving amount of each of the light receiving elements. | 12-25-2014 |
| 20150052765 | SURVEYING INSTRUMENT AND SURVEYING OPERATION SYSTEM - A surveying instrument includes a pedestal provided with a guide light irradiation unit provided with a light source to irradiate with guide light indicating a collimation direction of the surveying instrument to an operator, a tracking optical system which locks a target, a ranging optical system which ranges a distance to the target, and a control circuit which calculates surveying data by a ranging result of the ranging optical system, and a transmitting and receiving unit which receives survey setting point data regarding a survey setting operation and sends the surveying data obtained by the control circuit. | 02-26-2015 |
| 20150059194 | HANDS-FREE LEVEL - Provided are examples of a hands-free level to quickly, accurately, and efficiency level and plumb a wide range of objects regardless of shape. The level includes a stationary component, an adjustable component, a level device attached to the stationary component/adjustable component, and a cord. The cord includes a J-shaped terminus that abuts the adjustable component. Advancing the cord urges the adjustable component towards the stationary component. Complementary locking teeth on the cord and stationary component lock the adjustable component in place and clamps the hands-free level to an object. This lets a user use two hands to hold and move the object while simultaneously checking the object for plumb and/or level. | 03-05-2015 |
| 20150096181 | SURVEYING DEVICE HAVING A ROTATION MIRROR FOR OPTICALLY SCANNING AN ENVIRONMENT - Some embodiments of the invention relate to a rotation unit for a surveying device, in particular a laser scanner for optically scanning an environment and such a surveying device. The surveying device has a rotation unit having a rotation mirror, for deflecting an emission light beam and a reception light beam, and a rotation body implemented as a cylinder having a on a beveled, free end. The rotation body is implemented as a hollow cylinder having a cylinder bottom and a beveled cylinder wall on its free end. The hollow cylinder is connected coaxially with respect to its cylinder axis in a rotationally-fixed manner to a motor-driven shaft via the cylinder bottom. The rotation mirror is fastened in the region of its free end to the cylinder wall of the hollow cylinder so it is supported thereby. | 04-09-2015 |
| 20160069680 | Targeting Assembly - A targeting assembly includes a pipe that is installed in a construction environment. A housing is structured to be coupled to the pipe. A level is coupled to the housing so the level indicates an inclination of the pipe. A laser is coupled to the housing so the laser directs a laser beam toward a wall. The laser beam indicates a location that the pipe will penetrate the wall. An actuator is coupled to the housing. The actuator is electrically coupled to the laser so the actuator selectively actuates the laser. | 03-10-2016 |
| 20160131479 | Tilt Detecting System And Tilt Detecting Method - The invention provides a tilt detecting system comprising, a surveying instrument having a distance measuring function and a line laser projecting unit installed as horizontally rotatable for projecting a vertical line laser, and a photodetection device having at least two photodetection units provided at a known interval, a target with a retro-reflectivity and an arithmetic unit, wherein the line laser projecting unit is rotated, each of the photodetection units are made to scan the line laser and the arithmetic unit detects a tilting angle of the photodetection device based on a deviation between a photodetection time moment of each photodetection unit and the distance measurement result of the target of the surveying instrument. | 05-12-2016 |
| 20160202058 | SURVEYING INSTRUMENT | 07-14-2016 |
| 033291000 | Self leveling | 12 |
| 20080235963 | LASER LEVEL ASSEMBLY - This invention relates to a pendulum assembly within a laser levelling apparatus. In use, the assembly is rotatably mounted with the levelling device to hang under the effect of gravity such that opposed light emitting devices produce light on a horizontal plane. The assembly includes a main body rotatably mountable in the levelling apparatus and at least two light emitting devices mounted in or on light emitting mounting portions. At least one of the light emitting mounting positions is rotatably mounted to the main body and adjustable in its orientation with respect to the main body by an threaded adjustment means. Once one light emitting device is mounted, the adjustable one can be brought into a substantially co-linear position by movement of the threaded adjustment means. A further embodiment includes a further light emitter acting on a reflective surface to provide a substantially vertical light. Such a further embodiment fixes the position of the further emitter and reflective surface and provides adjustment mean on both other light emitting device mounting portions to arrange these co-linear to each other and transverse to the reflected light beam. | 10-02-2008 |
| 20090193672 | Optomechanical leveling device - An optomechanical leveling device ( | 08-06-2009 |
| 20100313433 | ROTARY LASER BEAM EMITTER - A rotary laser beam emitter includes a base unit including a reference reflector with a reference reflective face parallel to a reference plane, a rotary element rotatably supported on the base unit around a rotary axis, and a beam emitting unit contained in the rotary element and including a light source and an optical emission system emitting the laser beam from the light source in a direction parallel to the reference plane on the optical axis. When the rotary element is inclined relative to the rotary axis and the emitted laser beam is inclined to the reference plane, the optical emission system emits the laser beam from the light source to the reference reflective face and emit the laser beam reflected by the reference reflective face in a direction inclined to the optical axis of the laser beam so as to neutralize the inclined laser beam. | 12-16-2010 |
| 20110010953 | Frictional Pivots for Gravitational Alignment - A frictional pivot | 01-20-2011 |
| 20120090184 | Self-Leveling Multi-Line Laser Device - The invention relates to a self-leveling multi-line laser device. Said multi-line laser device comprises 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 reflecting cones against the tip of said reflecting cone. By means of the multi-line laser device, at least two projectable laser lines can be generated. | 04-19-2012 |
| 20130152412 | Laser Surveying System - A laser surveying system comprises a leveling unit ( | 06-20-2013 |
| 20130340268 | LASER LEVELING DEVICE - A laser-leveling device having a at least one radiation module and mounting module, where laser radiation sources and the prisms for developing planes from the laser beams are combined in the radiation module. The radiation module with housing contains a device for horizontal fine adjustment, an additional power supply with control, and an additional self-leveling support plate for receiving the laser radiation sources and prisms for developing the planes from the laser beams The mounting module with housing contains a self-leveling support plate, power supply with control, and a mount for securing to a tripod. The housing of the at least one radiation module and the housing of the mounting module are embodied such that the radiation module can be coupled to the mounting module, and it is possible to connect at least one additional radiation module. | 12-26-2013 |
| 20140283399 | CONSTRUCTION LASER SYSTEM WITH AN AT LEAST PARTIALLY AUTOMATICALLY RUNNING RECALIBRATION FUNCTIONALITY FOR A BEAM LEVELLING FUNCTIONALITY - 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. | 09-25-2014 |
| 20140352161 | LASER LEVEL SYSTEM - The present disclosure relates to a laser level system. The laser level system includes a laser level, a quick connect tool mounting bracket, and/or other components. The laser level may be mounted to the quick connect tool mounting bracket in one or more different orientations via a quick connect adapter. The quick connect adapter may be removably coupled with the bracket and/or one or more quick connect mounts supported by one or more external surfaces a housing of the laser level. One or more laser beams generated by the laser level may be controlled via a controller to visually indicate whether the laser level is in a “manual” mode, whether the laser level is in a “self-leveling” mode, and/or whether the laser level is “out of level” while in the “self-leveling” mode. In some embodiments, the laser level system includes a self-leveling mechanism lock. | 12-04-2014 |
| 20150007437 | Self-Leveling Multi-Line Laser Device - 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. | 01-08-2015 |
| 20150292886 | LASER LINE GENERATING DEVICE - A laser beam generating device is provided for generating multiple mutually orthogonal light beams. The device includes a laser light generator that generates at least three output beams. A beamsplitter of the laser light generator has two incident surfaces orientated at forty-five degrees in relation to an optical axis. A first portion of a light from a light source is incident on a first of the two incident surfaces and output as a first output beam in a first direction orthogonal to the optical axis. A second portion of the light is incident on a second of the two incident surfaces and output as a second output beam in a second direction opposite the first direction. The light source is arranged in relation to the beamsplitter such that a third portion of the light bypasses the beamsplitter and forms a third output beam projected parallel to the optical axis. | 10-15-2015 |
| 20160178370 | LASER LINE GENERATING DEVICE | 06-23-2016 |
| 033292000 | With tubular sighting means (e.g., telescope, etc.) | 8 |
| 20110119938 | MULTI-PURPOSE UTILITY LEVEL - A device for determining level of a surface, the device comprising a plurality of level vials configured to indicate orientation of the device, the plurality of level vials disposed at distinct locations on the device. The device including a radius bottom formed in an object contact surface at substantially the latitudinal center of the contact surface and extending longitudinally the length of the surface. The device further including a joint recess disposed centrally along the longitudinal axis of the device and extending latitudinally across the device. The device also includes one or more user controllable light sources coupled to the plurality of level vials for illuminating the level vials. | 05-26-2011 |
| 20110131824 | MANUAL SURVEYING INSTRUMENT HAVING COLLIMATION ASSISTING DEVICE - [Problem] To provide a manual surveying instrument that allows easily performing a collimating operation and allows performing a high precision measurement in a short time, | 06-09-2011 |
| 20120198712 | SIGHTING DEVICE, IN PARTICULAR TELESCOPIC SIGHT, FOR A GEODETIC MEASURING APPARATUS AND OPTICAL OBJECTIVE UNIT ASSEMBLY FOR SUCH A SIGHTING DEVICE - A sighting device includes an objective unit, an image unit, a transmitter for emitting measurement beams as transmitted beams and/or a receiver for capturing measurement beams as received beams, and at least one optical deflection means for coupling the transmitted beams into the optical beam path of the sighting device. The at least one lens comprises a cylindrical recess around the optical axis, the recess extending in the direction of the optical axis. Furthermore, the deflection means comprises a cylindrical fastening section that extends inside the recess such that a gluing gap is created between the outer lateral surface of the fastening section and at least a portion of an inner lateral surface of the lens defined by the recess, and the deflection means is fastened to the at least one lens, mediated by an adhesive located in the gluing gap. | 08-09-2012 |
| 20150040411 | Electronic Level - An electronic level which receives a reflection light from a pattern marked on a staff and determines a height of sighting position and a distance to the staff, comprising an electronic level main unit, a sighting optical system accommodated in the electronic level main unit for sighting the staff and a sighting device provided on an upper surface of the electronic level main unit, wherein the sighting device can be sighted at least in two directions, and an angle formed by two directions is equal to or approximately equal to a field angle of the sighting optical system. | 02-12-2015 |
| 20150354954 | Surveying Instrument - The invention provides a surveying instrument, which comprises a surveying instrument main body and a remote control operation unit being attachable to and detachable from the surveying instrument main body and capable of communicating with the surveying instrument main body, wherein the surveying instrument main body has a telescope unit for sighting a measuring point, a laser pointer irradiating unit for irradiating a laser pointer beam running in parallel to or on the same axis as an optical axis of the telescope unit, a rotation driving unit for rotating the telescope unit in any direction as desired, an angle detector for detecting an angle measuring value, and a main body control unit for controlling the rotation driving unit to direct the telescope unit in a predetermined direction, wherein the remote control operation unit has an operation button, a directional angle sensor and a vertical sensor, the angle measurement value is transmitted to the remote control operation unit by pressing the operation button under the condition where the remote control operation unit is removed, wherein the remote control operation unit calculates a difference between the directional angle and the vertical, angle detected by the directional angle sensor and the vertical sensor before moving and the directional angle and the vertical angle after the moving of the remote control operation unit, wherein either one of the remote control operation unit and the main body control unit calculates an angle measurement value after the moving based on the difference and the main body control unit rotates the telescope unit so as to become the angle measurement value after the moving | 12-10-2015 |
| 20160010987 | Surveying Instrument | 01-14-2016 |
| 20160076885 | Surveying Instrument And Method To Install Surveying Instrument - The invention provides a surveying instrument, which comprises a surveying instrument main unit having a machine reference point already known, a telescope unit installed on the surveying instrument main unit and for sighting a measuring point, a leveling unit for leveling the surveying instrument main unit, a laser pointer projecting unit for projecting a laser pointer beam in a downward direction along a vertical axis of the surveying instrument main unit and for performing distance measurement, a rotation driving unit for rotating the telescope unit in a direction as desired, a horizontal angle detecting unit for detecting a horizontal angle of the surveying instrument, main unit, a vertical angle detecting unit for detecting a vertical angle of the telescope unit, a tilt angle detecting unit for detecting a tilt angle of the surveying instrument main unit, and a control device, wherein the control device calculates relative space coordinates of the machine reference point of the surveying instrument main unit with respect to a projecting point of the laser pointer beam based on a distance measurement value obtained by the laser pointer projecting unit and on a tilt angle at the time of distance measurement. | 03-17-2016 |
| 20160102977 | Surveying Instrument - The invention provides a surveying instrument, which comprises a GNSS device, a frame unit rotatable in a horizontal direction, a telescope unit as mounted rotatably in a vertical direction on the frame unit, an image acquiring unit installed on the telescope unit, a driving unit for rotating and driving the frame unit and the telescope unit, a horizontal angle measuring unit for detecting a horizontal angle of the frame unit, a vertical angle measuring unit for detecting a vertical angle of the telescope unit, and a control device having a reference clock signal generating unit for producing a reference clock signal, wherein the control device produces a time signal to indicate a standard time from a signal acquired from the GNSS device, puts a time stamp on the time signal based on the reference clock signal, associates the time signal with the reference clock signal, measures a horizontal angle by the horizontal angle measuring unit at a moment when the telescope unit sights the sun and acquires an image signal by the image acquiring unit, puts a time stamp on the image signal based on the reference clock signal, calculates a standard time at a time of image acquisition based on a time stamp of the image signal and the reference clock signal, calculates an azimuth angle of the sun at the standard time based on a latitude and a longitude of a point where the surveying instrument is installed and a standard time at the time of image acquisition, and updates a horizontal angle as measured by the horizontal angle measuring unit by the azimuth angle. | 04-14-2016 |
