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WO/1990/000719 |
In a terrestrial surveying with an electro-optical global station (1) for combined angle and distance measurement and with a connection to data storage or data processing devices (20), the total station (1) and at least one mobile positi...
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WO/1989/011401 |
This invention seeks to solve the problem of providing a base point anchor on an unfinished construction surface for chalklines, plumb bob lines string for layout lines and tape rules. The principal use of the invention would be in the c...
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WO/1989/010538 |
The present invention relates to method for surveying measurements of an envelope comprised of planar surfaces by using a laser telemeter (1). The technical field of the invention relates to geometer methods for the survey of dimensions ...
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WO/1989/010535 |
A device for finding the relative position of the reference axis (BA) of an object relative to the reference beam (Rp) of electromagnetic radiation, in particular a laser beam, has a static radiation transmitter (S) and, on the side of t...
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WO/1989/006783 |
A position measurement system comprises an angle measuring apparatus (11) which can operate unattended, and an attended target device (10) mounted on a support (22). The target device has a sight (20) for locating the apparatus and means...
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WO/1989/003049 |
The present invention provides a position meter which can be used by installing only one laser receiver and can reliably measure the position of a point to be measured even if there is a great difference in level between the position of ...
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WO/1989/000676 |
A laser leveller with an instrument base containing a laser light source with a collimator lens system has an instrument head which can be pivoted away from the base. A rotation element with a motor for rotating the laser beam emitted by...
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WO/1988/010407 |
Boundary setting device for binocular visioned observers, including a low powered light source (16) having a predetermined configuration for defining the boundary of a zone of a scene. A sighting tube (12) defines a viewing axis (14) for...
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WO/1988/009480 |
In order to acquire and compensate for turbulence effects when determining the direction between a target and a measurement station, a wave radiation with at least two selected frequencies is emitted. The incidence angles of both selecte...
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WO/1987/007368 |
First and second flood lamp means, which are adapted to project rotary laser beams turning at a predetermined cycle, are provided at two predetermined fixed points, and first, second and third light-receiving means, which are adapted to ...
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WO/1987/005387 |
A stepping staff (10) which comprises a plurality of sections (12, 14, 16) coupled together in telescoping manner. A sighting target (26) is arranged on the uppermost section (16). The sections (14, 16) have a plurality of sets of D dent...
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WO/1987/004834 |
A cartographic device consists in particular of a globe inside which is placed a driving and controlling mechanism able to move a point radiator (42) along the inner wall of the globe in such a way that a point of light visible from the ...
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WO/1987/003956 |
A method and apparatus for providing a laser beam that is automatically aligned with a substantially rigid, stabilized platform or frame that can be oriented over a wide angular range, such as by the gimbals of a laser pointing and track...
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WO/1987/003958 |
The plummet operates by providing a vertical visible beam of light such as from a laser adjusted to the exact vertical by reflecting a beam of light from a bath of oil back to the light source. The oil may be any suitable industrial oil ...
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WO/1987/002450 |
To transfer an angle between two devices located at different points using an optical instrument, a corresponding code pattern is transmitted in one direction from a device located at a first point to wards the other device located at th...
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WO/1985/005676 |
A visual fixpoint marking of the light type (4, 12) is completed by an underlying marker (2) of the "subterranean" type, the electric or magnetic axis (a) of which intersects the ground or road surface in the visually marked fixpoint (C)...
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WO/1985/004951 |
After the mounting of short, rodshaped fixpoint markers in the underground it may happen, though exceptionally only, that a marker (14) is displaced or tilted by a local displacement of or in a thin earth layer around the marker. In orde...
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WO/1985/004246 |
A measuring system for measuring direction related volumes, e.g. rooms in a building, is provided with an extractable measuring wire (12), the outer end of which can be moved to desired measuring points within the volume by means of a ro...
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WO/1985/004036 |
A spatial imaging system includes a variable focus lens (12) for scanning a visual field. The depth of field of the lens system is narrow relative to the range of the field to be scanned so that visual in-focus image planes of the entire...
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WO/1984/003121 |
A method of, and apparatus for, determining the position of an unkown fixed location, e.g. the end of an underground passage inaccessible to human beings, involves establishing a chain of measuring station (D1, D2, D3...) of known statio...
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WO/1984/001025 |
The bench-mark is used to determine the location of a place on a ground. The bench-mark is concreted or driven in the ground which protects it. It comprises an envelope (12) and a passive oscillating circuit (16, 18) inside the envelope....
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WO/1983/003134 |
A terrestrial localization plant including a plurality of fixpoints, which are marked and defined principally exclusively by means f subterranean markers of the type which is refindable with good accuracy by means of a movable search det...
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WO/1983/001493 |
A latch of the over centre type for use inter alia in locking together surveyors rods in order to give reproducible measurements. The latch locks together a first axially slidable member (2) and a second axially slidable member (8) in ov...
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WO/1983/001306 |
A subterranean marker of the earth coil type is made as a longish and narrow cylindrical unit which is easy to mount in a hole without real digging work. The unit includes a resonance circuit having a coil which is wound on a ferrite cor...
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WO/1983/001106 |
A device for indicating a definite direction, comprising a screen located in front and a screen located behind, which comprise opaque lines (3) separated by transparent interstices (4), whereby a moiré pattern arises when the device is ...
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WO/1981/003698 |
Movement of a structure (46) is monitored by a laser (43) secured thereto and projecting a narrow light beam (40) onto a plane translucent screen (37) to produce a light spot (38). The x, y position of the spot (38) on the screen (37) is...
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WO/1981/002783 |
A device for setting the inclination of a reference object such as a minor or the like, used as a reference for lining up, levelling in etc. The minor (10) is rotatably balanced about an axle (12) and a portion thereof below said axle (1...
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WO/1981/002200 |
An instrument for use when levelling and when laying-out right angles comprises upright minors (1) which intersect each other at right angles and are carried on a frame structure (2) that is adjustable relative to the horizontal plane, s...
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WO/1981/001195 |
Position sensing apparatus comprises generating means (12) for generating a beam of radiation; rotation means (24) for rotating the beam about a vertical axis to define a horizontal reference plane, the beam having a sectional shape (for...
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WO/1980/001106 |
A device for levelling-in or similar purposes, having a cabinet fitted with a minor on which sights are taken with the aid of a target device, such as a rod or similar. The minor (34) is mounted in a housing (38) inside the cabinet (42),...
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WO/1980/001003 |
Method in tunnelling for marking out drill holes in accordance with a predetermined drill hole pattern. A direction reference beam (c) is projected in a direction defining the direction of the tunnel and a part beam (e) is deflected from...
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WO/1980/001001 |
Method and device for checking the dimensions of vehicles, preferably in connection with carrying out alignment work thereon. The method and the device use a reference frame (1) which is suspended from the chassis of the vehicle. Indicat...
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JP2012018170 |
To provide a precise overhead image which looks down a road.A vehicle with on-board laser scanner and camera travels on a road. The laser scanner emits laser toward each point on the road and measures a distance and a direction to each p...
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JP2012018057 |
To provide a sleeper displacement measuring system that can help further enhance the efficiency and reliability of railway track maintenance and inspection as it allows the quantity of sleeper displacement to be readily measured and the ...
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JP2012007922 |
To provide a road structure measuring method and a road surface measuring device in which: road structure geometric information regarding a gradient of a road traveled by a vehicle can be acquired simply at low cost; and a highly accurat...
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JP2012007300 |
To provide a device and a method capable of detecting abnormality generated in a blank time when the collimation of an automatic tracking type total station makes a circuit.A track monitoring device includes the automatic tracking type t...
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JP2012007408 |
To provide methods for predicting natural ground and drilling a tunnel capable of drilling a tunnel by simply predicting natural ground situation ahead of a working face through a daily construction management.The present invention inclu...
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JP2012002783 |
To provide a pipe inner shape measuring device capable of measuring a pipe inner surface accurately even if a measuring device tilts.An inner shape measuring device comprises: a laser range scanner 11 which causes a laser beam 2 to scan ...
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JP2012002734 |
To provide a position detecting device which requires less computational complexity and which can obtain a reliable measurement result.A device comprises: distance abnormality determining means for determining whether or not a distance t...
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JP2011257342 |
To provide a head tracking device and a head tracking method capable of suppressing accumulation of errors by a simple configuration.The head tracking device includes: an attachment part to be attached to the head; an angular velocity de...
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JP2011257317 |
To provide an automatic leveling base that easily makes a placed article horizontal.A first leg body 402, a second leg body 403 and a third leg body 404 have hemispherical grounding surfaces so that a part for placement is hardly damaged...
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JP2011257256 |
To find an altitude in a no-live-load state at an arbitrary point in a state in which a live load acts on a bridge.A total station 10 with an automatic tracking function which is installed outside a bridge measures a collimation target 1...
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JP2011257151 |
To provide a position measuring method and position measuring system by which the position of the characteristic point of a target measurement object can be measured in real time with a simple device compared to a total station.The posit...
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JP2011257276 |
To accurately acquire topographical data of a monitoring area, which is used for detecting an object in the monitoring area by using a laser radar, even when the monitoring area is large.Without an intruding object S in a monitoring area...
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JP2011252803 |
To provide a photographic measuring target and a photographic measuring method that reduce troubles in removing noise due to sunlight reflection or the like and moreover make possible precise and automatic recognition of high luminance r...
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JP2011247652 |
To provide a target for a total station for obtaining horizontal coordinate position data with high accuracy under the consideration of an inclination.This target 100 for a total station is provided with: an optical part 110 configured t...
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JP2011247862 |
To solve the problem that plumb bob using a weight, thread and string in a construction work used to make it necessary to wait until the amplitude of plumb bob is settled in case of measuring the position of the thread of plumb bob, and ...
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JP2011247677 |
To provide a position measuring system or the like, which is able to correctly measure the position and hence the displacement of a measured point provided on an earth retaining wall or the like from a measuring point even if the measure...
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JP2011245285 |
To provide a device for estimating condition of a moving body capable of measuring the position and direction (posture) of the moving body and estimating the condition of the same based on a self-contained type measuring means of the mov...
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JP2011242146 |
To provide a road survey method and a road linear information generation method which enable an efficient survey of a curve section of a road while ensuring surveying accuracy, in the survey of the curve section.In a survey of a curve se...
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