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JP2004212247 |
To provide a tank system for measuring points which eliminates the need for electrical measurements on measuring points in water leveling type sink/float measurements.On sinking and floating, the water level of a fluid L in a tank for me...
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JP3575604 |
To provide a method for accurately measuring the displacement of a ground surface or a subbase course in the case of a shield excavation by using a noncontact type distance measuring instrument. When a shield tunnel 33 is constructed, a ...
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JP3574504 |
PURPOSE: To provide a surveying apparatus which eliminates an exclusive housing space and loading or unloading work for a bar compass and enables the axial direction of the bar compass to be fixed in the direction of an optical axis with...
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JP2004183384 |
To provide a detector for efficiently detecting the height of a advancing machine in jacking work.This height detector for the advancing machine is composed of a reference hydraulic tank installed in a start shaft or on the ground; a ref...
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JP2004157112 |
To provide an apparatus for measuring the angle of inclination and excavation depth of an excavator capable of executing appropriate work without depending on experience and skill in improvement work of subsurface layers.A head tank prov...
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JP3558754 |
To obtain a reference surface setting apparatus strong against impact in the vertical direction. A rotary head 6b, a bearing 5 for supporting the rotary head 6b through a rotary shaft 6a, and a motor 7a for turning the rotary head 6b and...
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JP3548628 |
PURPOSE: To prevent shifting to a water depth measuring mode caused by a mistaken input by providing a water sensing switch counting circuit to detect that a sensing device emits an off signal for a fixed time in a state in which a signa...
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JP3548247 |
PURPOSE: To obtain a laser projector in which optimal or desired position and diameter of beam waist can be set automatically and maintained stably by detecting the waist distance of a projected beam based on the radius of curvature of w...
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JP2004108993 |
To heighten a subsidence measurement accuracy by reducing an influence exerted on subsidence measurement caused by surface tension, evaporation or a temperature change of stored water in a measuring system, and to perform a long-period c...
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JP2004101355 |
To previously prevent accidents caused by inclination of sewerage piping which ties structures to each other by always detecting variation of structures.The detection device is constituted of a first straight pipe cylinder 4 arranged in ...
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JP3538266 |
To provide an automatic correction device, for an automatic level, by which a prescribed correction accuracy about the direction of a collimation line can be ensured. A suspension member 8 is directed to the direction of a line which con...
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JP3538312 |
To easily attain parallel adjusting of the beam axes of an upper straight beam and a lower straight beam for projecting a reference spot for marking a horizontal line or a vertical line without shifting the directions of two wedge glasse...
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JP3535382 |
To provide a snow gauge which automatically measures the changes in a snow depth. A snow gauge comprises a base part 1 having a control circuit built in its lower part and a columnar sensor pole 2 mounted on top of the base part 1, the c...
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JP3527562 |
PURPOSE: To provide a total station and a surveying system in which a communication can be continued to an external communication unit without disturbing the surveying work by the communication route with the external communication unit ...
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JP3526288 |
To save labor in the finish control or the like of the construction work of a road surface and to reduce its costs. The scale-plate device is provided with a scale plate 2A which is supported by a holding piece 33 at a base 3 in a rise p...
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JP2004053317 |
To previously prevent a fracture of a connection part of buried pipes and a leakage of a liquid from the connection part without digging out the buried pipes.This detector comprises first and second curved cylinders 5 and 6 disposed on o...
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JP2004045274 |
To fully reduce time required for measuring a current position even if the altitude of a mobile terminal having a radio communication function is the same as that of a base station.The mobile terminal having a radio communication functio...
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JP3519777 |
PURPOSE: To use an automatic angle compensation device in both horizontal and vertical states without preparing an optical system separately and recombining a part thereof. CONSTITUTION: The compensation device is provided with a liquid ...
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JP3518033 |
PURPOSE: To project a laser beam so as to form either of a vertical plane and a horizontal plane, and enhance correcting accuracy by respectively setting focal distances of a secondary light source optical member and a third optical memb...
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JP3518107 |
To use an automatic inclination correction device for marking work during the interior work of a building by providing a container for housing transparent liquid having a free liquid surface, an optical path changing means and means for ...
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JP2004027830 |
To provide an excavator having a control panel for displaying the position of a bucket during an excavation process by inputting the settings of depth and gradient.Data are inputted and displayed by use of a touch-screen control panel to...
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JP2004028895 |
To easily measure a depth of a buried pipe at a low cost without excavating a road.A water level sensor part 5 is attached to one end of a hose 4, a lower end part of a water level measuring cylinder 3 is attached to the other end, water...
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JP2004028911 |
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 compris...
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JP2004032286 |
To readily obtain the accurate information of the altitude, position, or the like, of an object.The system for calculating the altitude of an object comprises a lens optical system 12 and a CCD 13 for photographing the object, a range se...
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JP3500077 |
To surely focus a target collimation object by executing focusing operation by regarding respective object distances in two focusing areas as effective in the case of satisfying a specified condition based on the focusing result by a mul...
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JP3496494 |
To provide a level sensor which can automatically measure the level of a conveyance path by reducing the number of workers and eliminating the measurement errors caused by the workers. A laser device 11 which emits a horizontal beam of l...
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JP2003315012 |
To provide a parallel displacement and inclination measuring device capable of measuring parallel displacement and the inclination of a measuring part to be measured with a little limitation about arrangement of a measuring apparatus, an...
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JP3486316 |
To provide an automatic focusing device constituted so that a user can easily correct mechanical and optical errors. This device is provided with a pair of CCD line sensors receiving an image formed by a telephoto optical system through ...
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JP3474605 |
PURPOSE: To surely discriminate a reflection target by a method wherein polarized light whose polarization direction has been prescribed is radiated from an apparatus, the polarization direction of reflected light from a reflection targe...
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JP2003254749 |
To provide an electronic display type counter altimeter using an OEL (organic electroluminescence) and capable of making an indicator and display of the altimeter counter mutually match for smooth scrolling.An air pressure of an inputted...
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JP3469211 |
To surely and rapidly detect a through defect in a membrane. This testing method for ammonia leakage is carried out on a membrane tank 10 having a tank 2 isolated from a cold-insulation layer 3 by the membrane 4, and comprises the fillin...
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JP2003240546 |
To easily measure relative elevation difference of a multitude of measurement points from an arbitrary reference point.A measurement system is constituted by using a target vehicle 100 and a measurement vehicle 200. On the measurement ve...
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JP2003239328 |
To provide a measuring device of an earthwork construction surface capable of easily seizing a quantity of required sediment at ground leveling work by precisely measuring construction accuracy of a ground leveling surface in real time.T...
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JP3460074 |
To provide a correction mechanism by which the influence of the vibration of a suspension optical member is eliminated and which can correct the horizontal level error of an electronic level by detecting the angle of inclination of the s...
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JP3462897 |
PURPOSE: To enable instantaneously confirming the present position with simple operation by comparing and processing the altitude measurement data and the azimuth measurement data of the present position with the altitude data and the az...
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JP3462815 |
To obtain a swing angle limiter for pendulum mirror not causing adsorption phenomenon of limiting pin and limiting frame of an autolevel. An inclination limiter of a pendulum mirror having a mirror and dahaprism fixed apart on light axis...
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JP3461273 |
To provide a reference atmospheric pressure calibrating device and method of a barometric altimeter, capable of more reliable reference atmospheric pressure calibration by reducing indefinite elements in the transmission and reception of...
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JP3454926 |
PURPOSE: To increase the usage efficiency of light by reducing the number of optical parts of a reference plane setting device for setting a reference plane and a vertical line. CONSTITUTION: A light-emitting means 21 for generating a fl...
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JP3454861 |
PURPOSE: To improve the efficiency of work by rotating a plurality of irradiation lights centered on the rotation axis to prevent the lowering of visibility and measuring accuracy as caused by a increase in measuring distance. CONSTITUTI...
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JP3453823 |
PURPOSE: To precisely and quickly focus a laser beam by providing a collimating optical system concentrically with a reflecting telescope, eccentrically providing another collimating optical system having the wider visual field, mutually...
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JP3452461 |
To effectively display a position of a bucket between excavation steps by controlling the excavation with the use of a touch screen control panel and, inputting and setting a depth and a gradient. In a set-up menu, when an operator touch...
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JP3441495 |
PURPOSE: To visually confirm the projection state of laser beams to a subject even in an environment where the fields or the surrounding are bright for laser beams in a reference surface and reference line setting according to a rotary l...
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JP2003156329 |
To provide a mobile detection type altimeter that can prevent accumulation of excessive errors.The mobile detection type altimeter has a mobile dependent altitude- updating section 4, that updates and will not normally update a display a...
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JP2003148954 |
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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JP3428096 |
PURPOSE: To provide a level surface setting machine which enables anyone to easily adjust the parallelism of a level rotary illumination surface created by a rotary head. is compact and light, and can be used easily. CONSTITUTION: In a l...
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JP3429038 |
PURPOSE: To obtain the nearly equal dimension and weight of a surveying machine body in comparison with a surveying machine which is not equipped with an alarm device, reduce the number of part items, and facilitate the assembly work by ...
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JP3426462 |
To simply bring the center of a focal point detecting area into coincidence with that of a visual field by focusing the luminous flux branched from a telescopic optical system at a line sensor, detecting the focused sate based on the out...
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JP2003127998 |
To provide a flying obstacle recognizing system and its method using a satellite image for warning obstacle information.This altitudinal view information providing system 2 comprises a satellite image analysis processor 3 and an altitudi...
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JP3421959 |
To find level difference between a reference level point and a measurement level point by, with the use of a connecting hose filled with working liquid, measuring the reference level paint, a known level point as against it and a pressur...
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JP3421500 |
PURPOSE: To provide a survey machine which is hardly affected by disturbance light even if object distance changes during auto-focusing. CONSTITUTION: The survey machine is provided with focused state detection systems 21 and 48 for dete...
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