Class 33/290 - Level (i.e., surveyor's type)

Subclass of Class 33 - Geometrical instruments
Definition: Device comprising a sighting instrument including means;
No. of patents: 198
Last issue date: 05/08/2012

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Number	Title	Issue Date
8171649	Laser device A laser device, including a cradle with a laser unit exiting from this, the cradle being connected to a base element, relative to which the cradle can be adjusted in terms of inclination by at least one actuating drive. In order to achieve a secure mounting of the c...	05/08/2012
8151474	Surveying system The present invention relates to a surveying system, comprising a rotary laser irradiation device 1 installed at a known point and used for projecting two or more fan-shaped laser beams 3 with at least one of the fan-shaped laser beams tilted and for f...	04/10/2012
7966739	Laser surveying system A rotary laser projecting device comprising a reference plane forming unit that projects two or more fan-shaped laser beams, a distance measuring unit that projects distance measuring light, a rotator for projecting the fan-shaped laser beams and the distance measur...	06/28/2011
7930835	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...	04/26/2011
7908752	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 metho...	03/22/2011
7797846	Reference beam generator for generating guide beams for marking machines A reference beam generator (1c) for guiding a marking machine, which can be moved in relation to the reference beam generator (1c), for producing ground markings has a support element with at least three adjustable legs (2a,	09/21/2010
7797845	Levelling device A mobile leveling apparatus for quickly and simply transferring the height of a visible, fixed datum point from a distant wall or column across a room. The leveling apparatus is hand-held and can be operated by a single user. The operator physically holds the appara...	09/21/2010
7793424	Positioning device A positioning device comprises a frame (60); a motor (61) having a drive shaft; a spindle (63) having a first end (71) and a second end (76) and being rotatable in relation to the frame (60); a coupling (62) resilient...	09/14/2010
7739803	Surveying system The present invention provides a surveying system, which comprises a surveying device 1 provided with a function for tracking a target 13, and a remote control device 16 for remotely controlling the surveying device on a target side, said survey...	06/22/2010
7669340	Surveying apparatus A surveying apparatus is provided that includes a telescope block, a support block, and an imaging unit. The telescope block includes a sighting telescope and is rotatably supported about a first axis. The support block rotatably supports the telescope block about t...	03/02/2010
7591074	Medical laser vertical alignment system A medical laser vertical alignment system that has a precise locating strip affixed perpendicularly to a static pressure scale and that vertically and horizontally aligns the center of rotation of a reusable detachable laser aligning device with the zero reference p...	09/22/2009
7587832	Rotating laser transmitter The transmitter has a generally flat, circuit board stator, a rotor including a plurality of magnets mounted in a ring around a central opening, and a bearing, supporting the rotor for rotation about an axis that extends through the central opening, A pentaprism ass...	09/15/2009
7520064	Laser surveying instrument A laser surveying instrument, comprising a rotating unit for projecting a laser beam by rotary irradiation, a main unit for rotatably supporting the rotating unit, and a sealing means for sealing between the rotating unit and the main unit, wherein the sealing means...	04/21/2009
7513052	Light line generating device A device that generates a light line on a work surface such as a wall is disclosed. The device includes a housing containing a self-leveling pendulum assembly and a light source that directs a light beam along a pathway. A redirection assembly, also contained in the...	04/07/2009
7509747	Laser level A laser level includes: a covering; a stand on which the covering is mounted; a laser unit provided in a space surrounded by the covering and the stand; and a radiation window, provided in the covering, through which a laser beam emitted from the laser unit is radia...	03/31/2009
7503123	Surveying apparatus A surveying apparatus is provided that includes a sighting telescope, an imaging device, and an external orientation parameter calculator. The sighting telescope is rotatable about a horizontal axis and a vertical axis. The imaging device is integrally rotated with ...	03/17/2009
7487596	Laser line projected on an edge of a surface A laser reference device includes at least one planar or flat surface and an internal laser light source for generating a laser light beam. A lens inside the device may convert the laser light into a fan-shaped beam, and project the beam adjacent the planar or flat ...	02/10/2009
7454842	Laser surveying apparatus A laser surveying apparatus includes: a laser light source configured to emit a laser light flux; a laser projector supported tiltably and configured to rotatably irradiate the laser light flux emitted from the laser light source; a mechanism tiltably supporting the...	11/25/2008
7448138	Laser detector and grade rod coupling device A laser detector and grade rod coupling device is disclosed. The laser detector and grade rod coupling device can be compatible with laser detectors having different sizes, different shapes, and/or different relative positions of their laser targets. The laser detec...	11/11/2008
7441340	Surveying instrument with compensation for mechanical errors The invention relates to a method of operating a surveying instrument (10) placed in a orthogonal XYZ-system at (0,0,0) having a movable unit (20), said instrument defining a sight line (128) that is controllably rotatable around a first axis (	10/28/2008
7412770	Device for adjusting the angle of a sighting unit to a target The invention relates to a device for adjusting the angle of a sighting unit towards a target, in particular for a geodesic-measuring instrument. The inventive device comprises a reference base, at least one bearing for mounting the sighting unit thereon in such a w...	08/19/2008
7412774	Laser level with selectable constant or pulsed beam output A laser marking device including an oscillating mechanism that enables the laser beams emitted from the device to be emitted in either a constant state or in a pulsed state to enhance the visibility of the laser beam in various lighting conditions. The oscillating m...	08/19/2008
7395604	Laser level with temperature control device and temperature control method thereof A laser level with temperature control device (2) and the temperature control method thereof are disclosed. The temperature control device includes a thermal insulation chamber (22), a thermoelectric cooler (25), a control unit (21), and ...	07/08/2008
7392592	Ruggedized laser level A ruggedized laser level. The laser level includes a housing, a base, a protective structure, and a laser assembly. The base and protective structure combine to protect the laser level from damage due to being dropped or impacted. The laser assembly can provide a 36...	07/01/2008
7370427	Tiltable construction laser 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 senso...	05/13/2008
7363716	Image projection and laser level device for layout design of wall-mounted items The present invention relates to a handheld electronic device that would project images on a wall to provide placement patterns for pictures, mirrors, and other wall-mounted items. The device also integrates a laser level for leveling a series of items. Computer chi...	04/29/2008
7360314	Leveling method and leveling device A leveling method in a device main unit with tilt sensors, wherein said method comprises a step of obtaining a response delay of said tilt sensors in advance, a step of tilting said device main unit in a first direction so that said tilt sensors detect a first 0 poi...	04/22/2008
7352944	Laser alignment device 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 an...	04/01/2008
7325321	Method and device for monitoring the alignment of a measuring instrument, and measuring instrument The method and the device serve to monitor the alignment of a measuring instrument, specifically a balance. To perform this function, the monitoring device is equipped with an inclination sensor based on the principle of a spirit level, with a container filled with ...	02/05/2008
7325327	Method and apparatus for measuring angular or linear displacement An apparatus and method are disclosed for measuring the angular or linear displacement of an object. That displacement is transmitted to a movable conductive member, which, in response thereto, is moved to a position at which it electrically contacts one of a plural...	02/05/2008
7310887	Intersecting laser line generating device A line generating device generates two fan-shaped beams of light at an angle to each other, and projects the beams onto an adjacent surface, where the beams are visible as lines on the surface. A user has access to the intersection of the lines, so that the intersec...	12/25/2007
7299556	Method for checking or calibrating the angle-dependent alignment of a high-precision test-piece The invention related to a method for checking or calibrating the angle-dependent alignment of a reference structure on a high-precision test-piece. After arrangement of the test-piece on a retainer piece, a pre-alignment of an optical unit and/or the reference stru...	11/27/2007
7285950	Position measuring system and pneumatic cylinder A position measuring system is proposed, comprising: a transmitter, a first displacement transducer, to which the transmitter is contactlessly coupled with a coupling strength which is dependent on the relative position between the first displacement transducer and ...	10/23/2007
7266898	Laser level A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also di...	09/11/2007
7261508	Method for aligning a loadport to an overhead hoist transport system A method for aligning a loadport of a process machine to an overhead hoist transport (OHT) system which can be carried out by first providing an OHT rail overhanging a cleanroom floor; setting a reference point in the cleanroom in proximity to the OHT rail; marking ...	08/28/2007
7253611	Magnetic displacement ruler This invention relates to a magnetic displacement measurement device, which comprises a ruler body and a vernier, wherein a magnetic main ruler is fixed on the ruler body, and a secondary ruler is fixed on the vernier; the secondary ruler comprises a magnetic sensor...	08/07/2007
7252411	Device for depicting a linear optical marking A device for depicting a linear optical marking (36, 38) in a room, including a housing (11) with a light source (16, 18) that emits the light along an optical axis (15, 17), as well as a lens (28, 30) that both reflects the light ...	08/07/2007
7243433	Laser level with adjustable laser projection line A laser level with adjustable laser projection line comprises a support bracket, a housing, a switch, a laser generator which project a fanned laser beam to the surface of the work piece to form a line, and wherein a rotating mechanism is coupled to rotate the laser...	07/17/2007
7243434	Laser theodolite and kit for converting a new or pre-existing theodolite into a laser theodolite The present invention provides a laser theodolite device and kit for converting a new or pre-existing theodolite into a laser theodolite. More specifically, in one embodiment, the laser theodolite device comprises a theodolite having a visible and/or reflective lase...	07/17/2007
7237342	Optical axis adjusting device for use in a laser ruler An optical axis adjusting mechanism disposed on a laser ruler for adjusting an optical axis of the laser ruler is provided. The laser ruler includes a main bracket. The optical axis adjusting mechanism includes a main body rotatably assembled to the main bracket of ...	07/03/2007

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Class 33/290 - Level (i.e., surveyor's type)