| Document |
Document Title |
|
JP2680168B2 |
|
|
JP2680150B2 |
Disclosed is an electronic magnetic compass which is to be mounted on a small ship and which is reduced in cost and improved in performance. The electronic magnetic compass is provided with an angle sensor interlocked with a compass card...
|
|
JP2677390B2 |
PURPOSE:To eliminate errors in bearing measurement due to magnetization of a vehicle and to detect accurate bearings by obtaining the position of a bearing circle based on detected bearing vector, and correcting said bearing vector based...
|
|
JP2669936B2 |
A yaw angle determining process is particularly suitable for a recorder designed as an accident data storage arranged in a vehicle. The coordinates related to measurement values obtained by a measurement device which senses components of...
|
|
JP2669889B2 |
In a self-contained navigational system wherein the location and heading of a vehicle on road are detected with the aid of location and heading detection means using map matching, a calibration apparatus of an angular-velocity sensor use...
|
|
JP2664800B2 |
A motor vehicle-mounted navigation apparatus comprising an input section adapted for inputting data based on GPS positioning, an azimuth sensor and distance sensor adapted for establishing independent navigation signal input sections for...
|
|
JPH09275315A |
To correct an offset error of a gyro sensor in the tracking method of on-vehicle satellite reception antenna using the gyro sensor An antenna 10 is driven to be rotated by a stepping motor 16 and a controller 26 decides a drive amount of...
|
|
JPH09274069A |
To achieve a compact configuration and a high integration for a magnetic sensor. This amorphous magnetic sensor imparts the adequate operating point to the magnetic body by flowing the stabilized optimum AC alternating current to an amor...
|
|
JPH09273948A |
To enable calculation in which the balance of a pitch angle, a roll angle and an azimuth angle positive cosine value is kept by finding the azimuth angle of the horizontal component of a space vector by a reverse tangent function. For in...
|
|
JP2663460B2 |
PURPOSE:To improve the detecting sensitivity of a sensor, by constituting a full bridge with four barber-pole elements. CONSTITUTION:Conductor layers 2 are formed on an insulating substrate 1. Each layer 2 is formed so that a strip patte...
|
|
JP2548740Y2 |
|
|
JPH09243371A |
To make a part of a mascot point to the north so that a three- dimensional movement as a compass can be observed by mounting a magnet on a part of the mascot so that one magnetic pole is shifted from the center of gravity of the mascot, ...
|
|
JPH09243360A |
To quickly, easily and precisely measure the azimuth and inclination of a stratum by arranging gravity sensors in two axes and geomagnetic sensor in three axes, and arithmetically processing their output electric signals. Since the parti...
|
|
JP2642649B2 |
|
|
JP2630131B2 |
PURPOSE: To simplify magnetization judgment by fixing the outer frame line of the second window for the magnetization judgment without depending on geomagnetism bearing. CONSTITUTION: A first window W1 is set on a ring along a bearing ci...
|
|
JPH09166437A |
To obtain a magnetism detection apparatus by which an analog signal is input easily to a computer by a method wherein a plurality of signals to be output from a magnetic sensor are converted into one analog signal so as to be output. In ...
|
|
JP2622637B2 |
PURPOSE: To achieve an accurate measurement of azimuth by setting the angle which is formed by two magnetism detection coils constituting a magnetic sensor to any degrees without installing a cancellation coil, etc., for compensating a m...
|
|
JPH09152473A |
To easily turn an apparatus compact and inexpensive and obtain a highly sensitive apparatus by providing a magnetic body and a magnetic sensor, detecting a change of a response waveform corresponding to an intensity of an external magnet...
|
|
JPH09145375A |
To maintain the bearing accuracy high and to make it possible to reduce in size a geomagnetic gearing sensor by forming a resist mask by photolithographic technology executed on a resist layer, and precisely laminating and forming a thin...
|
|
JPH09145374A |
To make it possible to reduce in size the geomagnetic bearing sensor by forming the shapes of the opposed surfaces of a ferromagnetic core in tapered state, thereby maintaining the bearing accuracy high. Ferromagnetic units K1, K2 are fo...
|
|
JPH09145376A |
To make it possible to reduce in size the geomagnetic bearing sensor by previously giving magnetic anisotropy to a ferromagnetic core, and improving the applying efficiency of the geomagnetism of the core, thereby maintaining the bearing...
|
|
JP2616911B2 |
|
|
JPH09126780A |
To reduce the number of part items and the number of assembling steps by performing detection of the quantity of magnetism and the ratio of the amount of magnetism in X and Y axis directions of a three-dimensional stereoscopic space repr...
|
|
JPH09119967A |
To improve the accuracy of an earth magnetism azimuth sensor using a magnetoresistance effect element. The earth magnetism azimuth sensor uses magnetoresistance effect elements M1-M4 and has ferromagnetic thin films N1-N8 which are arran...
|
|
JPH09113275A |
To improve the sensitivity of a magnetic sensor against magnetic fields and to reduce the sensitivity fluctuation of the sensor against temperature and, at the same time, to improve the heat resistance of the sensor. A magnetic sensor is...
|
|
JPH09113274A |
To improve the sensitivity and accuracy of a geomagnetic bearing sensor using a magneto-resistance effect element by improving the characteristics of the element. A magneto-resistance effect element which is constituted by alternately la...
|
|
JPH09113276A |
To improve the accuracy of a geomagnetic bearing sensor using magneto-resistance effect elements. A geomagnetic bearing sensor uses magneto-resistance effect elements M1-M4. The magnitude of bias magnetic fields impressed upon the elemen...
|
|
JPH09105630A |
To obtain a terrestrial magnetism direction sensor by which a high output and a high directional accuracy can be obtained even when the sensor is miniaturized by making the longitudinal length of a magnetoresistance effect element larger...
|
|
JPH09105631A |
To detect variation of field of a vehicle incident to opening of door and to indicate the orientation of vehicle accurately by providing a field sensor delivering signal information indicative of opening of vehicle door, and a compass ci...
|
|
JP2601496B2 |
|
|
JPH09101153A |
To provide a geomagnetic direction sensor having practical sensitivity, allowing a compact structure as well as a low cost to be easily realized, and further having high sensing accuracy by applying a constitution that magnetic substance...
|
|
JPH09102638A |
To accurately detect only isotropic external magnetic field intensity and attain detecting the external magnetic field which is very fine, by forming a narrow line type magnetoresistance effect element (MR element), as a closed loop of r...
|
|
JPH0996666A |
To obtain a magnetic sensor comprising a thin and long magnetic core and a coil wound around the magnetic core and detecting a magnetic field based on the variation in the inductance of coil wherein sensitivity is enhanced without increa...
|
|
JPH0990007A |
To improve the mechanical strength of a magnetic sensor so that the sensor can be handled easily and the versatility of the sensor can be improved by housing a sensor chip in a molded case fitted with terminals and sealing the chip and t...
|
|
JPH0989567A |
To provide a magnetic azimuth sensor stable and high in accuracy to surrounding environmental change by eliminating error factors caused by the dispersion of the magnetic sensor, the change of temperature and the change with the lapse of...
|
|
JP2591192B2 |
A system for measuring a traveling direction of a vehicle includes a geomagnetic sensor and a gyro sensor. The system utilizes first and second indicies for deriving the vehicle traveling direction. The first index is indicative of distu...
|
|
JPH0949738A |
To provide the information of the direction of a vehicle by removing the influence of a disturbance magnetic field from the output of a flux gate sensor, thereby obtaining the direction of a geomagnetic vector. The on-vehicle navigation ...
|
|
JPH0942969A |
To realize a geomagnetic azimuth sensor, which has practical sensitivity and which can be miniaturized and of which the cost can be reduced and which has high detecting sensitivity. The surface of each ferromagnetic body K1, K2, is respe...
|
|
JPH0942970A |
To provide a sensor, which can improve the working accuracy and which can be miniaturized and of which the cost can be reduced and which has a high detecting sensitivity, by providing magneto resistive(MR) elements on a gap so as to near...
|
|
JPH0942967A |
To provide a sensor, which has practical sensitivity and high azimuth accuracy and which can be miniaturized and of which cost can be reduced, by focusing the earth magnetism with a core made of ferromagnetic body, and converting it to a...
|
|
JPH0942971A |
To precisely detect the azimuth of the body of vehicle to the at most by correcting the fluctuation of a value detected by a geomagnetic sensor due to the inclination of the body. A geomagnetic sensor 23 is attached to the body of vehicl...
|
|
JPH0942968A |
To provide a geomagnetic azimuth sensor, which has practical sensitivity and which can be miniaturized and of which the cost can be reduced and of which the manufacturing manhours is reduced and which has high quality, and to provide the...
|
|
JP2580214B2 |
|
|
JP2580032B2 |
|
|
JPH0933250A |
To provide a method and an apparatus for measuring the discontinuous plane of geology, which can measure the azimuth, inclination and roughness of the discontinuous plane readily and accurately even by a person without professional knowl...
|
|
JPH0933257A |
To provide a magnetic direction sensor, which indicates the stabilized characteristics without the effect of the change in surrounding environmental conditions. A bias coil for applying a bias magnetic field on the magnetoresistance elem...
|
|
JP2576136B2 |
|
|
JP2524086Y2 |
|
|
JP2573667B2 |
|
|
JPH0921605A |
To eliminate the need for mounting a constructional machine physi cally accurately on the turning center axis and easily mount the machine in the vicinity of the turning center where a mounting position is restricted much, by detecting a...
|
