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JP3029275B2 |
PURPOSE:To obtain output signal without any distortion and achieve a highly accurate angle detection by calculating logic sum with output signal of other light detectors which are not affected by dust even if distortion results in output...
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JP3028943B2 |
To provide an automatic tracking system provided with an infrared wide angle sensor for improving the influence of noise generated by the separation from a device main body of a point to be measured capable of omitting work for initial c...
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JP3027734B2 |
To obtain the orbit of a satellite independently in the inside of it and use the information for performing an optimum correction operation by using an observation body where the orbit dynamic characteristics of a satellite, disturbance ...
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JP3029274B2 |
PURPOSE:To allow some degree of freedom in designing the visual field of the maximum/minimum off axis and to improve the handling convenience by extending a photoelectric element part approximately in the shape of a quadrilateral with an...
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JP2000088574A |
To provide a card containing section for electronic surveying apparatus measuring the angle or distance electrically, especially a section for containing a memory card storing measurements or a survey program. The card containing section...
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JP3023157B2 |
PURPOSE:To improve the accuracy of detecting a solar light incidence location by comparing, with a threshold value, an LPF output signal in which clock constituent is reduced from a CCD output signal, and by measuring the time from a dat...
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JP2000055660A |
To provide a laser three-dimensional survey instrument at a high speed in which a designation of a measuring point and a measuring are can be simply carried out without using a reflection prism. In a survey instrument, a non-prism light ...
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JP3006058B2 |
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JP3003479B2 |
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JP2000028332A |
To easily prevent a height work, to easily rationalize a measuring work, and to easily connect this device with variety of evaluation system by highly precisely and quickly realizing target-less measurement. This measuring device is a de...
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JPH11325887A |
To eliminate the layout restriction of an optical member in a branch optical system by reducing the level difference between the quantities of light received by a pair of CCD sensors in an auto focus sensor of the automatic focus detecto...
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JPH11321603A |
To improve the control precision of a vehicle attitude control device by calculating the stability factor on the basis of vehicle speed and estimating the side slip angle of a vehicle on the basis of the calculation result or a rear corn...
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JPH11321602A |
To improve the control precision of a vehicle attitude control device by reading the steering angle and vehicle speed inputted by steering operation, and setting each of front and rear cornering forces to a preset value, and estimating t...
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JP2975424B2 |
This invention concerns a light wave distance meter which comprises a telescope unit supported on a framework such that the unit can rotate about a horizontal axis. This unit being provided with a telescope having a target in its line of...
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JPH11304485A |
To simplify the operation by resetting a height angle to zero without resetting a horizontal angle to zero when an optical axis of a telescope is passed through a horizontal face and oscillated as the initial operation. An electro-optica...
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JPH11295422A |
To obtain a light wave sensor which is excellent in concealment, which can compute a distance and which can track a target by a method wherein distance information is acquired from an image of the same target obtained through a slit plat...
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JPH11291996A |
To provide an image sensor capable of performing high-speed processing and also a satellite attitude control device which is structured in small size and light in weight, can be fabricated at a low cost, and requires a low power consumpt...
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JP2965844B2 |
PURPOSE:To make it possible to perform highly accurate measurement regardless of environmental temperature by arranging a photodetector at the focal surface of a lens part through a supporting meber wherein materials having different the...
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JPH11284432A |
To easily and speedily adjust the mirror face of a main reflection mirror by using a laser diode and a regular theodolite, which are positioned to be away from each other by a known distance on the same vertical axis. For a laser light 1...
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JP2959541B2 |
To provide an earth sensor device capable of producing the sensor output of steep rise and fall. The sensor surface of a photodetector is quadri-sected, the edges of the respective sensor surfaces are provided with a first direction and ...
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JPH11271001A |
To provide an angle measuring instrument that can be manufactured at low cost and convenient for carrying, to be easily used at field by any single person enabling accurate measure surely even in a rainy day. An angle scale 2 is provided...
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JP2946912B2 |
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JPH11237240A |
To uniform performance characteristics and improver sensor performance. In this solar sensor, a first and a second solar light detection areas 10a, 10b are separately arranged at a solar light incidence plane of a photodetector 10, a sli...
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JPH11237241A |
To easily and quickly execute collimation work without coinciding light axes of pair of facing theodolites,by attaching a side facing mirror on the outer surface so that its normal sperpendicularly cross the light axis of the main body. ...
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JP2942814B2 |
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JPH11230749A |
To obtain a surveying instrument in which the decentering and the movement of the axial direction of a shaft are eliminated and which prevents a measuring accuracy from being worsened, by a method wherein a board on which a second gear u...
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JP2937447B2 |
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JP2937315B2 |
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JP2930876B2 |
PURPOSE: To provide a sun position detection apparatus whose scale is small, whose economical efficiency is excellent and by which the position of the sun can be detected with high accuracy. CONSTITUTION: The rotation in the elevation di...
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JP2930877B2 |
PURPOSE: To provide a light detection apparatus which is positioned easily and which is attached or removed easily. CONSTITUTION: A sensor part, for rough detection, which roughly detects the position of the sun and a sensor part 2, for ...
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JPH11211501A |
To accurately compensate influence of earth flatness of an earth sensor and influence of orbit eccentricity. A GPS antenna 5 receives signals from a GPS satellite. A GPS receiver 6 calculates position using a navigation information obtai...
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JP2929385B2 |
PURPOSE:To obtain a good S/N signal by providing a mixer which mixes a received signal corresponding to light, obtained by emitting light of certain modulation frequency and reflecting the light by a reflecting mirror places at a measure...
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JP2598182Y2 |
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JPH11201750A |
To provide a reference axis positioning method for a satellite structure facilitating the positioning work and capable of being implemented by one worker. Two points 5a, 5b are set in parallel with the reference axis of a satellite struc...
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JP2926503B2 |
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JP2920862B2 |
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JPH11190622A |
To provide a light direction finding device excellent in light direction detecting accuracy and suppressed in manufacturing cost. A light direction detector is provided with a light refracting member 12 formed of light transmission mater...
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JPH11183161A |
To switch thereby enabling usage with a wide angle of view and with a high angle resolution according to need by forming an entrance aperture to a light-shielding cover set at a main body to which a plurality of temperature sensors are f...
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JP2915733B2 |
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JP2916687B2 |
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JP2909634B2 |
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JPH11160064A |
To realize a performance test whose reliability is high and whose accuracy is high only by providing a simple facility. A testing apparatus is constituted in such a way that a wedge- shaped optical system 13 provided with a face, on the ...
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JP2903253B2 |
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JPH11133313A |
To provide a compact and inexpensive laser theodolite. In a laser theodolite having a collimating optical system consisting of an eyepiece 9, an objective lens 5 and an optical path dividing prism member arranged between the eyepiece 9 a...
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JP2892725B2 |
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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JPH11125540A |
To provide an encoder for detecting angle of rotation which requires a long adjusting time, because the pattern of an index is adjusted to a prescribed relational position with a scale by moving a reading section on the surface of an adj...
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JPH11118474A |
To detect the emitting direction of light at a high detecting speed with little error without performing a light emitting directional angle calculation such as tangent calculation considering the position of a light receiving element whi...
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JPH11101636A |
To expand a detectable range and to stably detect an optical axis over a long period, by forming the upper face of a box out of a diffusion plate, and providing a partition plate protrude upward to equally partition the diffusion plate a...
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JP2882398B2 |
To provide an artificial satellite mounting earth sensor detector that is able to hold a measuring error angle down to the minimum by outputting a stable pulse to a noise, a bias voltage variation and a temperature change. In a through-s...
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JPH1194540A |
To measure horizontal angle between measuring points independent of measuring point height, etc., and to reduce setting work for a goniometer for efficient marking of a plurality of vertical and horizontal lines. A vertical light wave ge...
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