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Assignee: Leica Geosystems AG


Location: Heerbrugg, CH
No. of patents: 142

1        
NumberTitleIssue Date
8184268Method for multi-target-enabled resolution of phase ambiguity
In order to derive distance information according to the phase measuring principle, a periodic signal with at least two, in particular modulated, wavelengths λi are transmitted to two or more objects, their reflections are received again and the associat...
05/22/2012
8183867Localization system for an earth moving machine
The invention relates to a localization system for localizing an underground object for an earthmoving machine comprising a working part. The localization system comprises a fastening component and a detector component. The fastening component can be arranged on the...
05/22/2012
8174684Modular measuring head system
In a modular measuring head system comprising a central module having the shape of a parallelepiped block with six sides, the central module encloses an interior space and is provided on at least five sides with attachment sites, each having at least one opening lea...
05/08/2012
8174682Shape measuring instrument with light source control
An optical system of a shape measuring instrument includes a laser diode, a first optical system irradiating an object to be measured with laser beam, a second optical system focusing reflected light from the object to be measured, and a CCD line sensor portion for ...
05/08/2012
8164338Localization system for an earthmoving machine
The invention relates to a localization system for localizing an underground object for an Earthmoving machine comprising a working part. Said localization system comprises a fastening component and a detector component. The fastening component can be arranged on th...
04/24/2012
8132334Rotating construction laser with a dual grade mechanism
A rotating construction laser includes a laser core module with a laser unit for emitting a laser beam and rotation means for rotating the laser beam around an axis of rotation defining a laser beam plane. The rotating construction laser is provided with an outer pi...
03/13/2012
8131462Vehicle guidance and sensor bias determination
Systems and methods for guiding a vehicle and vehicle sensor bias determination methods are disclosed. A method for guiding a vehicle includes a primary antenna of a primary survey-grade GNSS-receiver and a secondary antenna of a secondary GNSS-receiver mounted to t...
03/06/2012
8125629Tracking method and measuring system comprising a laser tracker
A measuring system includes a laser tracker (10), a target point marked by a reflector (12), a surveying apparatus (13), and an arithmetic and control unit (14). The laser tracker emits a measuring beam (M) which is reflected by the refle...
02/28/2012
8077913Method and device for determining the actual position of a geodetic instrument
In order to determine the actual position (A) of a geodetic measuring instrument (1) inside a dead range (T) wherein signals originating from a positioning system are shadowed, two reference structures (5) are detected from at least two known positions...
12/13/2011
8072373Method for accuracy estimation of network based corrections for a satellite-aided positioning system
In a method for accuracy estimation of network based corrections for a satellite-aided positioning system, with a network of reference stations code and phase measurements are recorded by the reference stations and transferred to a network processing centre. The mea...
12/06/2011
8072228Angle measuring device
An angle measuring device for optical angle measurement has a telescope body 5 which is rotatably mounted around at least one shaft (1, 2; 11), wherein the shaft (1, 2; 11) is rotatably mounted at least two bearing points 6, and the beari...
12/06/2011
8042056Browsers for large geometric data visualization
A representation of a physical object can be displayed even where the amount of geometric data is too large to be stored in resident memory. A primary viewing window displays point data for the object using a substantially even sampling of data at an appropriate poi...
10/18/2011
8036452Method and measurement system for contactless coordinate measurement on an object surface
The invention relates to a method and a surveying system for noncontact coordinate measurement on the object surface (2) of an object (1) to be surveyed in an object coordinate system (O). With a 3D image recording unit (3), a first three-dimens...
10/11/2011
8031629Method and apparatus of managing wireless communication in a worksite
A method of controlling wireless messaging between mobile apparatuses and an onsite office in a worksite, including: dividing the worksite area into elementary cells mapped in correspondence with the topology of the area and into and communication zones, establishin...
10/04/2011
8031334Method for determining an influencing variable acting on the eccentricity in a goniometer
The invention relates to a method for determining at least one influencing variable acting on the eccentricity in a goniometer, using a detector arrangement consisting of four optical detector elements, and a rotational body comprising a plurality of pattern element...
10/04/2011
8031331Coordinate measurement instrument
A coordinate measurement instrument includes an optical distance measurement device (200, 300) for measuring the distance from an auxiliary measurement means (5) which can move in space, a zoom camera (106), which can rotate with respect to at l...
10/04/2011
8011112Method and apparatus for determining positions
For determining positions of a support having a bar code relative to a sensor array, the position of lines in the region of the sensor array is determined at least once and a position is determined therefrom. Thereafter, at least one line of the bar code is selected...
09/06/2011
7999921Geodesic measuring instrument with a piezo drive
In a geodesic measuring instrument with a fixing device for positioning the measuring instrument and with a measuring component having an optical beam path for surveying a target, whereby the measuring components are mounted in an aligning component that can be move...
08/16/2011
7995054Identification of edge regions from 3D point data
An improved interface and algorithm(s) can be used to simplify and improve the process for locating an edge from a series of points in a point cloud. An interface can allow the user to select a hint point thought to be near an edge of interest, which can be used to ...
08/09/2011
7990550Method and system for determining position and orientation of an object
The invention relates to a positioning method for determining the position and orientation of a mobile unit having a receiver (3′), whereby the receiver (3′) is detected by a scanner (2′), said scanner (2′) determining at least th...
08/02/2011
7990397Image-mapped point cloud with ability to accurately represent point coordinates
A laser scanner scans a scene to form a point cloud representing points on a surface within the scene. The point cloud is used to create a corresponding visual representation of the point cloud from a single eye point that is displayed as an image array, such as a c...
08/02/2011
7984184Method and apparatus for managing information exchanges between apparatus on a worksite
Operations in a worksite (20) are managed by networking at least some items of apparatus (4, 16, 24, 26, 30, 28, 34) which perform tasks in connection with said worksite and which receive and/or send data. The items of apparatus are organized in hierar...
07/19/2011
7982859Method and device for deriving geodetic distance data
According to the invention, a light signal is emitted to one or several targets in order to derive geodetic distance data therefrom. Apparatus components such as transmitters (1″) and receivers (4″) are modeled along with the targets (3a ...
07/19/2011
7948433Calculation method for network-specific factors in a network of reference stations for a satellite-based positioning system
A correction calculation method for a satellite based positioning system with a network of receiving units as reference stations comprises a partitioning of the network into groups of reference stations, calculation of group-specific correction factors, amalgamation...
05/24/2011
7944548Increasing measurement rate in time of flight measurement apparatuses
An apparatus for measuring distance to a surface is disclosed. The apparatus transmits at least one subsequent pulse of light prior to receiving a reflection of a previously sent pulse of light. Thus, multiple pulses of light are in-flight at a given time. The embod...
05/17/2011
7933451Feature extraction using pixel-level and object-level analysis
Image processing for extracting features in images. Pixel-level cue algorithms can be performed on raster images. The raster images can be converted to a vector layer. Object-level cue algorithms can be performed on the vector layer. The feature can be detected usin...
04/26/2011
7933055Laser scanner
A laser scanner for detecting spatial surroundings comprises a stator (21), a rotor (1), mounted on the stator (21) to be rotatable about a first rotational axis, and a rotary body (2), mounted on the rotor (1) to be rotatable abou...
04/26/2011
7911589Optical distance measuring method and corresponding optical distance measurement device
In order to derive a distance to a target object, in the detection of lower and upper dynamic ranges different detection methods are used simultaneously for the same light signal in an opto-electric distance measuring method having at least one emission of at least ...
03/22/2011
7899598Method for controlling a surface-modifying machine
The invention relates to a method for controlling a surface-modifying machine, wherein information on the desired condition and on the actual condition of ground to be prepared is provided and is used to derive control statements for the machine based on a compariso...
03/01/2011
7876090Calibration method and calibration apparatus for a hand-held locating device
A calibration apparatus for a hand-held locating device (7) has at least one first coil configuration (1a) having a first measuring range (2′) and a second coil configuration (1a′) having a second measuring range (2
01/25/2011
7864303Method for electronic measurement
According to the invention, the sensitivity of a method for electronic measurement may be improved, carried out by the principle of heterodyne reception with the steps of broadcast of pulsed electromagnetic radiation (ES) with at least one pulse repetition frequency...
01/04/2011
7843448Identification of occluded edge regions from 3D point data
An improved interface and algorithm(s) can be used to simplify and improve the process for locating an occluded edge from a series of points in a point cloud. An interface can allow the user to select a hint point thought to be near an edge of interest, which can be...
11/30/2010
7842911Method for determination of the direction to an object to be surveyed by selecting only a portion of image information depicting the object for such direction determination
An image depicting an object is recorded for the purpose of measuring the direction to said object, after which the object is to be surveyed. In order to achieve an optimum stability for rapid changes to the object's position, image sensors are used to analyze or do...
11/30/2010
7830500Optoelectric angle-measuring device
An optoelectric angle-measuring device has a code carrier having a position code which can be detected optically as well as a scanning device in the form of a light-sensitive row or area for detecting the position code and generating a position-dependent scanning si...
11/09/2010
7826039Target acquisition device
For the deliberate attenuation of beam components which originate from multiple reflections, an attenuation filter (18; 19) which produces an attenuation of the intensity by at least a factor of 0.7, preferably at least 0.5 or 0.3, is arranged in each case be...
11/02/2010
7818889Target object used for retroreflexion of optical radiation
A target object (1a) used for retroflexion of optical radiation comprises at least six triple prisms (p1, p2), combined to give a 360 degree reflector which can be arranged on a geodetic measuring pole (6). The triple prisms (p1...
10/26/2010
7812933Electro-optical range finder
An electro-optical range finder (4) having a trapezoidal laser (1) as a laser source, a laser source controller (6) for generating pulsed laser radiation, receiving optics (7) and a detector (8) with an evaluation unit (9) f...
10/12/2010
7809182Method and device for suppressing electromagnetic background radiation in an image
A method for suppressing electromagnetic background radiation in the image according to a precharacterization, a device for carrying out the method according to a precharacterization, a measuring instrument, and a use of the device for identifying a laser signal as ...
10/05/2010
7805851Articulated arm coordinate measuring machine
The invention relates to a coordinate measuring machine (CMM) for determining a measuring position of a probe. The CMM comprises an articulated arm having first and second ends and at least one joint between the first and the second end, the first end forming a base...
10/05/2010
7804051Geodetic target object and surveying system with a structural integration of transmitting channels and receiving channels into a common unit with a reflector component
Disclosed is a geodetic target object comprising at least one reflector surface, a receive channel with a detector (18) for receiving electromagnetic radiation (ES) transmitted by a measuring unit (2″), and a transmit channel with a radiation source ...
09/28/2010
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