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JP3755225B2 |
To provide a radio wave altimeter in which an altimeter measurement value in a state of an airframe apron is zero-corrected as a zero correction value in view of a fact that it is unreasonable that a zero correction value changing by an ...
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JP2006058190A |
To provide a laser marking device capable of reducing a size even in the marking device irradiated with a large number of light lines and light beams, capable of regulating easily the plurality of light lines and light beams, and capable...
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JP2006053086A |
To provide a level reference apparatus capable of drastically improving the accuracy and the stability, which relates to the level reference apparatus which is used when construction, building, and mechanical apparatuses are installed.In...
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JP3748112B2 |
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JP2006047107A |
To provide a laser marking device, capable of reducing easily a size even in the laser marking device capable of emitting a large number of line beams, of regulating easily the plurality of line beams, and of forming the line beams of hi...
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JP3744639B2 |
To provide a method and apparatus for measuring the machine height of surveying equipment which enables easy and accurate measurement of the machine height in a range finding gonioscope. A machine height measuring method of a range findi...
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JP3744065B2 |
To provide a working machine for uniformizing soil in paddy field so as to enable uniform harvest of crops such as rice even in any part of fields by making plowing bottom horizontal without making the surface uniform and keeping the dep...
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JP3117858U |
To provide a stepped road surface height measuring device capable of easily and accurately measuring a profile of a road surface in a crossing direction of a road having a step on the curb side. A stepped road surface height measuring de...
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JP2005351834A |
To provide a surveying apparatus which can contribute to preventing thefts, preventing losses from occurring and checking lost articles.The surveying apparatus 1 is equipped with a display control means 20, which causes a display section...
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JP3729475B2 |
To provide a laser light projector in which a movable part can be stopped more quickly when the whole of the laser light projector is tilted and the deterioration of inclination correction precision due to the influence of a braking forc...
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JP3725815B2 |
To stably and easily measure a difference of elevation in each measuring point, without lengthening total pipe length, without increasing the water amount for stabilizing water temperature, and without prolonging the time for water level...
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JP2005331242A |
To provide a method with good maintainability and long-term stability to measure the amount of settlement of road surfaces or the like.A reference water bath 11 is buried under measuring points 102A and 102B on the surface 101 of a runwa...
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JP3721441B2 |
To provide a computing method for the grade of a road, in which the grade of the road can be computed by using the minimum amount of data. An elevation is held, with reference to each point of a matrix, in map data in which a road track ...
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JP3716169B2 |
To provide an apparatus and a method for the measurement of a platform, where the height and the separation of the platform as one of railroad structures can be measured simply and with high accuracy. In the platform-measuring apparatus ...
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JP3715391B2 |
To reduce influence of a background of a leveling rod by providing shutter blades for shielding the background of the leveling rod against a photoelectric sensor. When a calculation control part senses that a distance D to a leveling rod...
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JP3713341B2 |
To provide an angle of inclination automatically compensating apparatus which facilitates using of a compensator for an optical axis to allow maintaining of high stability and accuracy by restricting the scattering of luminous fluxes pas...
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JP3711538B2 |
To stably and smoothly measure an inertial altitude by avoiding the stepwise change in the standard altitude when the standard altitude is switched to a GPS altitude from a pressure altitude. An inertial altitude correcting part 1 compri...
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JP3710112B2 |
To obtain a laser surveying instrument by which an inclined reference face and an inclined reference line can be set in a simple operation. A laser surveying instrument is provided with a rotating irradiation device body 1 and an object ...
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JP3708991B2 |
PURPOSE: To shorten the time required for focusing by providing a branching optical element which branches an optical path on an optical path from an objective lens to a focal plane, and providing an equivalent plane of the focal plane, ...
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JP3708270B2 |
To identify a scale value irrespective of a distance to a rod by operating the distance to the rod from a size of a pitch of a scale pattern of an image signal and determining in accordance with the distance of which size the scale value...
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JP3705889B2 |
To free an operator from a work of registering a rod at a center of a view field, by controlling a rotary means rotating an electronic level in a horizontal direction, on the basis of an output signal from a detecting means detecting ima...
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JP3705863B2 |
To provide a height measuring device and height measuring method for a measuring point in which the system structure is simplified with a wide measuring range, and the work is extremely easily performed. Two pieces of plane light 12a, 12...
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JP3706211B2 |
To provide an apparatus for automatically compensating an angle of inclination which facilitates using of a compensator of an optical axis to maintain higher stability and accuracy by restricting the scattering of a luminous flux passing...
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JP2005274426A |
To provide an environmental information processing system or the like capable of acquiring advanced information without being affected by fluctuation of environmental pressure.Each fixed information device A or the like has an auxiliary ...
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JP3701859B2 |
To observe sediment which is accumulated in a river. This river observing system is provided with ultrasonic water level gauges 4 and 5 for measuring the water level of the river 1 and a sediment imaging camera 6 for imaging the sediment...
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JP3702461B2 |
To provide a displacement measuring apparatus of a ground layer which has an easy installing work at a job site and an excellent executability and which can accurately measure a displacement of the ground layer and to provide a method fo...
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JP2005264669A |
To intercept the transmission of heat to the rear of installation tubes following a boring machine by thermally completely isolating the installation tubes following the boring machine in which thermal sources are collected from a space ...
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JP2005257599A |
To perform accurate marking work at a position offset from a photodetector.With respect to this attachment for positioning used to locate the position of the photodetector by adjusting a laser beam irradiated from a laser beam irradiator...
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JP2005249467A |
To provide an incorrect setting warning device of a barometric altimeter for determining whether barometric correction setting of the barometric altimeter is always proper setting or not by using altitude information of a GPS receiver an...
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JP3693741B2 |
To specify and display the cause of an error by receiving the part of the branched light directed from an objective lens toward an automatic compensating mechanism by a second image sensor, converting it into a comparison image signal, a...
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JP2005227061A |
To provide an attachment capable of quickly and correctly setting a light receiving unit.The attachment for the light receiver unit for detecting the vertical line or the horizontal line of the laser beam irradiated from the laser irradi...
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JP2005227081A |
To provide a flatness measuring apparatus that can easily measure the flatness of a large surface with high precision, is in a simple configuration, and can be carried easily.The flatness measuring apparatus 1 comprises: a measurement si...
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JP3682980B2 |
A method for calibrating a pressure-sensing altitude sensor of an aircraft while the aircraft is in flight. The method includes the steps of obtaining a set of reference atmospheric pressures as a function of height above a base station ...
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JP3684097B2 |
To improve the working property of measurement by providing an optical wave range finder on a clamp attachably and detachably mounted within a steel pipe pile, and measuring the height of the pipe earth at the time of penetrating the pip...
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JP3683350B2 |
To calculate a mark position in a short time irrespective of magnification of an electronic level and the distance between a staff and the electronic level by finding the absolute position of a collimation position from the ratio of inte...
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JP3681198B2 |
PURPOSE: To provide a reflected light shading means on the optical axis of polarized luminous flux so as to positively recognize reflected luminous flux from an object reflecting body and not to generate mulfunction by making the reflect...
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JP3680087B2 |
To obtain a communication tube type subsidence meter in which zero drift can be determined through a simple structure. The communication tube type subsidence meter comprises a reference water tank 1 including a mechanism 16 for sustainin...
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JP3680285B2 |
An automatic plumb, level and pointing tool uses a visible laser diode to project light beams in two modes through two windows. In the first mode of operation, the unit is able to project a plumb-up beam and a level beam of light while r...
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JP3679171B2 |
To perform not only shifting in the horizontal (vertical) direction but also tilting of a reticle by means of a single screw so as to quickly carry out adjustment with ease. In the ereticle adjusting device, the tips of a pressing pin 4 ...
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JP2005195534A |
To provide an environment information processing system, an environment information processing method and the like which accurately grasp the height of a reference position and further is not influenced by atmospheric pressure.An environ...
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JP3670075B2 |
To provide an appropriate height indicator that allows the direction of appropriate height to be recognized dynamically and intuitively. This appropriate height indicator includes a plurality of indicating light sources 36 arranged in a ...
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JP3670397B2 |
To provide a highly accurate laser device by using an easily visible laser beam and removing the thermal effect of a laser beam source. A laser device for surveying is provided with a laser beam source section 20 and an optical system 1 ...
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JP2005181086A |
To set optionally a liquid pressure in the initial state in each measuring tube part, and to cope easily with the offset of the liquid pressure in the measuring tube part caused by an initial displacement.In this displacement gage, a plu...
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JP3667983B2 |
To easily fix and release a reference beam detection device to and from a rod-shaped member through a single-handed operation and to easily make fine position adjustments by smoothing movement with respect to stuff. This holder has a mou...
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JP3660805B2 |
To provide the beam scanning device of low power consumption which can hold the luminance of a beam image constant when a repetitive scan is made with a laser beam. On the flank of a hollow hexagonal outer head part 16 surrounding an inn...
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JP3647608B2 |
To prevent the variation in tracking accuracy, and track a surveying object at a high speed even if a distance up to the surveying object changes in an automatic tracking device in which a surveying equipment body is rotated so that the ...
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JP3648514B2 |
To adjust the focus of a surveying instrument either manually or automatically by easily and surely switching between the manual adjustment and automatic adjustment by controlling the rotation of a motor which drives a focusing lens in t...
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JP3646270B2 |
To provide a traveling-type survey instrument, which improves the reliability in surveying accuracy and can reduce the worker's labor load. A leveling stage 11 is mounted on a moving body, and a surveying device 12 is mounted on the leve...
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JP3643157B2 |
To measure the height of an object easily by a stereoscopic image while shortening the processing time. Depth Dh is determined from an edge image signal extracted from an image and the floor position at imaginary point of infinity on a s...
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JP3638216B2 |
To realize a high directivity with a simple structure by providing an incident angle limiting element alternately having light guide parts for guiding an incident light in the virtual incident direction and non-light guide parts in the f...
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