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JPH06160500A |
PURPOSE: To provide a magnetometer which can obtain a magnetizing quantity of a moving body without rotating the body such as a vehicle, etc., which places the magnetometer. CONSTITUTION: A magnetometer has a core 1 wound with an excitin...
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JPH0640009B2 |
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JPH0638108B2 |
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JPH06129855A |
PURPOSE: To obtain a small electronic azimuth meter of low power consumption and without its rotation required by arranging three or more sets of magnetic sensors with change of an angle for each of them, for one set of which two directi...
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JPH0617043Y2 |
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JPH06117857A |
PURPOSE: To obtain a small-sized electronic goniometer which is small in power consumption and has the function of a map meter by performing arithmetic operation by using the cumulative number of revolution of a rotational torque transmi...
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JPH0629732B2 |
A direction finder is disclosed, which comprises a locus amending means which operates such that, when corrected detection signal pairs obtained by correcting detection signal pairs after an initial correction on the basis of coordinates...
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JPH0629729B2 |
A direction finder includes a terrestrial magnetism sensor, a magnetization correction means for correcting an output of the sensor with a magnetic field component produced by a vehicle itself on which the sensor is mounted and a correct...
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JPH0629730B2 |
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JPH0629728B2 |
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JPH0629731B2 |
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JPH0629734B2 |
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JPH0629735B2 |
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JPH06109474A |
PURPOSE: To obtain accurate operation by simple constitution by winding single winding only around the half circumferential part of a circular magnetic core and taking out the output from the winding from the other end on a pulse applyin...
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JPH0627651B2 |
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JPH0627650B2 |
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JPH0674771A |
PURPOSE: To obtain a gyro correction unit for vehicle excellent in correction accuracy. CONSTITUTION: The gyro correction unit comprises a geomagnetism sensor 20, a gyro 30 detecting angular slewing speed, a vehicle speed sensor 10, and ...
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JPH0610248Y2 |
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JPH0666566A |
PURPOSE: To eliminate the effect of various magnetization of a vehicle body on the accuracy of measurement. CONSTITUTION: The inventive apparatus is arranged closely to the ferromagnetic outer wall of a vehicle body and comprises a field...
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JPH0666567A |
PURPOSE: To automatically correct the error of a direction by following up a variation in magnetization of a vehicle. CONSTITUTION: A magnetic vector in which the influence of residual magnetism and permeability of a vehicle is affected ...
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JPH0616817U |
[Purpose] Even if the surface of the stratum has severe irregularities, it will be possible to easily obtain averaged and accurate running and slope measurements. [Constitution] The geological compass is arranged along the longitudinal d...
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JPH0658758A |
PURPOSE: To cancel the magnetic-field vector caused by the magnetization of a vehicle body by classifying the perpendicular at midpoint of a line segment connecting two data when the distance between two inputted data is the specified va...
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JPH0616970U |
[Purpose] It provides a portable map with a compass that is easy to rotate left and right and check the orientation, is easy to carry, and has an excellent appearance. [Constitution] The outer shape is circular, and the directional and a...
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JPH0650757A |
PURPOSE: To detect a direction precisely and with high accuracy. CONSTITUTION: The apparatus is provided with a fluxgate-type magnetic sensor 2 wherein an X-direction detection coil 2x having its axial center in the X- direction and a Y-...
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JPH0650756A |
PURPOSE: To simply decide the pole position or the like of a steel tower without requiring a special knowledge or technique by a method wherein a compass is formed after an entire-circle protractor, an alidade and a square-arrangement re...
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JPH0614109B2 |
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JPH0614110B2 |
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JPH0610890U |
[Purpose] When you are climbing a mountain, or when you do not know the direction of getting lost, attach it with a clock so that you do not rush and climb the mountain firmly. To make it easier to climb with one hand when climbing a mou...
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JPH0610617B2 |
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JPH064258Y2 |
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JPH067053B2 |
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JPH0618265A |
PURPOSE: To enhance intrinsic field correction accuracy of an azimuth measuring apparatus while enhancing reliability and reducing the number of components and cost. CONSTITUTION: Output from a magnetic sensor 101 is subjected to AC ampl...
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JPH062128U |
[Purpose] By placing a spirit level on the object, the direction of inclination and the degree of inclination can be known at once. [Constitution] The position of the ball in the transparent container indicates the internal compass and a...
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JPH063374B2 |
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JPH063148A |
PURPOSE: To hold the calculating accuracy of an azimuth before switching to the output of a gyro by setting the initial azimuth without using the output of a terrestrial magnetism sensor if the power source is shut while the magrnetizati...
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JPH063147A |
PURPOSE: To obtain an azimuth display device which makes it possible to promptly discover an erroneous display of the azimuth and accordingly improves the reliability of the display. CONSTITUTION: The change of magnetism when an exciting...
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JPH063168A |
PURPOSE: To obtain a multiple display apparatus wherein a direction display device for displaying the advancing direction and a temperature display device for displaying temperatures make display by a common row o: display units easily. ...
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JPH061195B2 |
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JPH061191B2 |
PCT No. PCT/DE85/00494 Sec. 371 Date Nov. 17, 1986 Sec. 102(e) Date Nov. 17, 1986 PCT Filed Nov. 27, 1985 PCT Pub. No. WO86/05584 PCT Pub. Date Sep. 25, 1986.A method for establishing the driving direction of a motor vehicle is suggested...
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JPH0588767B2 |
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JPH05340756A |
PURPOSE:To obtain a measurement method and device which can simultaneously measure the azimuth angle and the oblique angle of a certain surface and easily express them on a stereo net. CONSTITUTION:A transparent and hemispherical cover 2...
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JPH0585847B2 |
PURPOSE:To make it possible to automatically and accurately correct magnetization on the basis of a small quantity of data within a short time, by calculating the quantity of magnetization of a vehicle body respectively using a plurality...
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JPH05322576A |
PURPOSE:To accurately calculate the azimuth of acting magnetism by detecting the max. value in a magnetic detection direction even when there is a detection error in the magnetic detection direction of a magnetic detection means and corr...
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JPH05322575A |
PURPOSE:To accurately detect earth magnetism and an azimuth without being affected by hysteresis even when a magnetic detection means has a property generating hysteresis. CONSTITUTION:A magnetic detection part 2 is constituted by formin...
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JPH05312932A |
PURPOSE: To confirm in which azimuth the other party is located between the persons carrying electronic goniometers to each other. CONSTITUTION: A transmitting part 18, a receiving part 17, a magnetism detecting part 16 and a display par...
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JPH05312574A |
PURPOSE:To compare a current azimuth with a target azimuth automatically and further to make information in the case when the current azimuth deviates from the target azimuth. CONSTITUTION:An azimuth measuring means 17 which detects a cu...
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JPH05312573A |
PURPOSE:To minimize the lowering of precision due to the effect of a magnetic field generated by a step motor, even when this meter is mounted on an electronic analog clock using the step motor. CONSTITUTION:The state of operation of a s...
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JPH05312575A |
PURPOSE:To make it possible to judge whether or not the detected magnetism is geomagnetism, by comparing the state of the measured magnetism with the normal state of magnetism stored beforehand, when the magnetism is measured. CONSTITUTI...
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JPH0584812U |
[Purpose] To provide a vehicle magnetic compass that can be easily mounted on a vehicle in a horizontal position. [Constitution] The sensor unit 1 is fixed to the sensor mounting plate 2, the level 3 is fixed so that the horizontal state...
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JPH05297084A |
PURPOSE: To raise the detection sensitivity of geomagnetism by introducing the magnetic flux of earth magnetism from a magnetism lens effectively without leak. CONSTITUTION: On the upper surface 20a of a base plate 20, a wire pattern 22 ...
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