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JP3421528B2 |
To provide an automatic focusing apparatus of a surveying instrument which can reliably focus on a main object. An automatic focusing apparatus includes a pair of CCD line sensors for receiving light of an object image formed by a micros...
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JP3415974B2 |
To precisely measure the line-of-sight direction of an image collection apparatus, which is carried by a flying object, without using an encoder or the like. An image collection apparatus collects optical information on the surface of a ...
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JP3412679B2 |
To enable taking measurement even by an engineer alone. The surveying system comprises an automatic tracking total station 1, measuring transceiver 2 connected to the automatic tracking total station 1, operating transceiver 3 for data t...
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JP3408767B2 |
To detect an accurate angular position by condensing a weak recursive laser beam. A reflection mirror 5 provided, tilted 45°, on the projection optical axis of a projection laser beam projected from a laser oscillator 4, a total-reflect...
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JP3404173B2 |
PURPOSE: To improve signal to noise ratio and realize high angle resolution with a simple constitution by providing an optical system focusing a star image with he linkage of the spin of space ship body and a plurality of photodetectors ...
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JP2003114123A |
To provide a compact light direction sensor capable of detecting the direction of a light source with high accuracy through the use of a two-dimensional photoelectric converting element.In the light direction sensor, the direction of the...
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JP2003098280A |
To solve the problem that a data size of time information gets large to increase a burden required for stamping processing for the time information, when the time information of high precision is stamped onto a data received from a netwo...
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JP3387961B2 |
PURPOSE: To prevent drop of the tracking accuracy in case the diatance has increased, by calculating the ratio of the reflex area to the search area so that the search area at a closer time is approached when the distance between the bod...
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JP3387964B2 |
PURPOSE: To make automatic tracking accurate at all times irrespective of the environmental temperature by sensing the temps. of a light deflecting element and a light emitting element, and correcting the deflection angle of the light du...
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JP3372878B2 |
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JP2003031835A |
To provide an attitude control device that can maximize power generation efficiency by always directing a solar cell panel to the sun light in photovoltaic power generation.This photovoltaic power generation set is provided with light re...
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JP3340642B2 |
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JP3334889B2 |
The invention relates to a solar altitude detector (1) for motor vehicles comprising a shade mask (2) in which a passage opening (5) provided for permitting sunlight though is inserted, said opening creating a light structure when irradi...
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JP3331890B2 |
To provide a star sensor capable of precisely detecting and controlling the attitude of a satellite and an artificial satellite attitude control device using it by correcting the dark output of a two-dimensional image pickup element by a...
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JP3323779B2 |
To obtain a surveying instrument in which the replacement and the direction adjustment of a reflecting prism are automated, which eliminates an erroneous collimating operation and an erroneous measurement due to reflected light and by wh...
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JP3315454B2 |
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JP3314363B2 |
PURPOSE: To calculate three dimensional coordinates of a measurement paint even with no beacon by providing the first and second reference paints with a range/angle measuring device and a goniometer, optically marking the measurement poi...
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JP2002222015A |
To provide a sun tracking device which is easily fitted and can detect the sun over a wide range and speedily track it.Optical sensors S1 to S4 are arranged on the internal bottom surface 40 of a cylinder part 21a to provide a narrow-ran...
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JP3304027B2 |
PURPOSE: To obtain a GPS receiver which can start a positioning computation quickly even when the RTC and the stored data of the receiver are wrong. CONSTITUTION: The radio waves of a satellite are demodulated in a detection part 2, and ...
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JP2002202128A |
To provide a technique by which a measuring and surveying operation is performed easily without a need of a high-cost installation.From a first known point P1 and a second known point P2, a point C in a building is imaged as a digital im...
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JP2002195824A |
To provide a sunlight reflecting device inexpensively manufacturable with a simple structure, easy to set, and dispensing with maintenance.A first axis of two axes of drive mechanisms is set toward a target 20. This device comprises link...
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JP3300998B2 |
PURPOSE: To obtain highly accurate measurements by providing a main body, a staff, and a processor, calculating the three-dimensional coordinates at the measuring end of the staff abutted on a measuring point based on a detected horizont...
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JP3295157B2 |
PURPOSE: To realize an effective and accurate survey method for constructing a shield tunnel along the planned line, in a shield tunneling method. CONSTITUTION: A shield machine 5 is drillingly advanced in a shield excavated adit, an aut...
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JP2002174534A |
To provide a magnetic type encoder which can be carried on a survey instrument at a higher accuracy by simple assembling and adjusting work.In the working method of the magnetic type encoder carried on a survey instrument, the relative a...
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JP3281064B2 |
PURPOSE: To provide a surveying equipment capable of not only always displaying an erecting image on an indicator but also transferring data from a solid image sensing element to the indicator easily and without affecting noise reduction...
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JP2002131078A |
To inexpensively provide a star sensor system by reducing signal lines and interface parts for connecting each sensor and a sanitary control device to the minimum.The star sensor system is provided with a plurality of optical systems con...
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JP2002071348A |
To provide an angle measuring apparatus for constructing operation which can always hold an angle-measuring apparatus horizontal without operator assistance, when angle is measured by the angle measuring instrument during constructing op...
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JP2002062188A |
To provide a new sunlight evaluation method and device for easily evaluating and grasping the shade and reflection light at an arbitrary point.An evaluation image region to be evaluated is cut (s2) from a hemispherical image (s1) photogr...
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JP2002039727A |
To securely detect a sensor position without causing any read error even if an error due to dust, a flaw, etc., occurs to part of an absolute type rotary encoder and then to measure an angle with high reliability.A control part normally ...
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JP2002504233A |
A remotely controlled adjustable height support stand 200 for positioning the laser scanner 50 vertically as well as a remote control for adjusting the height and/or angular position of the laser scanner 50 is disclosed.
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JP2002022491A |
To provide surveying equipment with an absolute encoder capable of displacing two sensors from each other by an predetermined angle and most accurately installing them to a rotary encoder.Any one sensor S1 among the sensors S1 and S2 is ...
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JP2001522986A |
The invention relates to a navigation device for motor vehicles, wherein dead reckoning navigation is used in conjunction with other positioning methods. According to the invention, an acceleration sensor (6) which is preferably integrat...
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JP3229567B2 |
To accurately measure the angle of cable going into the water by forcibly bringing an angle meter into contact with a cable paid out from a stern shooter by a tensile member. A tensile member 5 is a flexible strand 20 paid out and wound ...
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JP3228585B2 |
PURPOSE: To provide light emitting elements in which light emitting state showing uniform property can be utilized. CONSTITUTION: A light emitting means is comprised of a pair of light emitting elements having first and second light emit...
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JP3224825B2 |
PURPOSE:To improve reliability by judging the presence or absence of the capture of the earth in response to the time width of the detected signal from an earth sensor which is mounted on a space navigating body. CONSTITUTION:An earth se...
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JP3223457B2 |
PURPOSE: To obtain a measuring apparatus which enables execution of signal transmission of high reliability and also is free from generation of sliding noise at the time of rotation of a rotary part and which can be made small in size an...
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JP2001519899A |
The invention concerns the identification of stars. It consists in selecting "detected stars" among the sensed stars; coupling the detected stars; selecting all or part of the doublets of the catalogue which are most likely to have been ...
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JP3214077B2 |
PURPOSE: To find or control the position of a light source, e.g. a moving body with a light source by providing a position detecting device for detecting the position of the light source in the simple structure. CONSTITUTION: A light shu...
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JP2001255362A |
To provide a light-wave search apparatus by which a target position can be located at lower costs and with high accuracy.The light-wave search apparatus in accordance with this invention has a structure wherein a first turning part 2 cap...
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JP2001255147A |
To provide a surveying instrument provided with a zoom eyepiece.A collimating telescope for an automatic level is provided with an objective lens system L1. The telescope is provided with an erecting optical system L2, which makes image ...
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JP3208933B2 |
PURPOSE: To measure a position with high accuracy by measuring respective maximum values and respective minimum values of first, second, third, and fourth sine signals. CONSTITUTION: An addition and subtraction circuit 5 forms a third si...
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JP2001514736A |
A quadrant light detector that employs the concept of constructed occlusion to improve its accuracy and by incorporating baffles within the design to improve its detection response to incoming light having an incidence angle near the hor...
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JP3200632B2 |
To provide a method for measuring the longitude of a geostationary satellite continuously and instantaneously through a simple arrangement of apparatus. When the longitude of a geostationary satellite is measured using a radio wave inter...
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JP2001221603A |
To provide an angle sensor unit, which can achieve measurement accuracy of ≤0.5 within a temperature range of -40°C to +80°C and can withstand a vibration load of 8-200 Hz in frequency, with standing without dysfunctions at an effect...
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JP3194841B2 |
PURPOSE: To achieve an accurate detection by obtaining a sufficient quantity of reception light at a light reception part in a device for detecting inclination by receiving a reference light from a light source by the light reception par...
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JP2001165662A |
To simultaneously and easily perform the measurements of vertical angle and oblique distance with precision in a survey by use of an electro-optical distance meter and total station.This device is to locate an optical product that is a c...
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JP3174551B2 |
To provide a surveying machine that is capable of focusing quickly and accurately and has improve operability in the automatic focus detection surveying machine such as a total station. An automatic focus detection surveying machine is p...
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JP2001141458A |
To obtain a bearing device in which a horizontal axis is hard to move at a time when a sighting telescope is back and forth turned forward and reversely and in which a scoring is hard to generate in a wide temperature range in a surveyin...
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JP2001133263A |
To provide a total station equipped with picture recording means which allows the confirmation to be performed on a picture and facilitates to form drawings accurately by solving such problems in the prior art that the survey and the fie...
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JP2001124554A |
To provide a surveying instrument having a mounted magnetic encoder which reduces a hysteresis phenomenon and the influence of external magnetism as far as possible. In a total station, this magnetic encoder is mounted. The magnetic enco...
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