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JPH0533015U |
[Purpose] The present invention relates to a directional indicator, and is characterized in that accurate directional display is performed even at a position near a natural magnetic field generating portion. [Constitution] The directiona...
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JPH0527613U |
[Purpose] When the image pickup device mounted on the moving body is spatially stabilized, the loop gain cannot be increased due to the influence of mechanical resonance of the gimbal rotating portion and the like, and high spatial stabi...
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JPH0523689B2 |
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JPH0523032U |
[Purpose] Provide cheap car operation guidance means. [Constitution] The signal of the geomagnetic sensor 2 is input to the microcomputer 3 arranged in the main body 1, the microcomputer 3 determines the display position of the display f...
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JPH0523195U |
[Purpose] The present invention relates to a two-axis gimbal drive device, and is characterized in that the swivel body and the tilting body can be manually operated via a clutch and unnecessary tilting of the tilting body is prevented v...
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JPH0521408B2 |
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JPH0571964A |
PURPOSE:To obtain an accurate azimuth by performing the correction of the first and second azimuth signals of an earth magnetism sensor and an angular velocity sensor by discriminating the difference signal absolute value signal of both ...
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JPH0571978A |
PURPOSE:To detect an accurate azimuth by subtracting the output signal of an integration means from the azimuth signal of an earth magnetism sensor and attenuating the obtained difference signal to add the same to the angular velocity si...
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JPH0560875A |
PURPOSE: To obtain a three-axis magnetic detector capable of easily setting the magnetic orientation in a horizontal direction of a three-axis magnetic sensor without relying on manual operation. CONSTITUTION: An ultrasonic motor 1 is fi...
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JPH0552567A |
PURPOSE:To detect a magnetic azimuth accurately regardless of a running road by arranging a plurality of magnetic azimuth sensors and a rate gyroscope to output the magnetic azimuth detected with the rate gyroscope when a magnetic field ...
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JPH057541Y2 |
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JPH0534155A |
PURPOSE:To mass produce magnetic field measuring apparatuses with uniform performance by using a bundle of amorphous magnetic fibers as a magnetic element thereby to enhance the magnetic force measuring accuracy and the response. CONSTIT...
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JPH0526672A |
PURPOSE:To provide a high-precision azimuth detecting device causing no error due to offset during the continuous operation over a long period without impairing the excellent feature of angular velocity sensors. CONSTITUTION:Two angular ...
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JPH0518769A |
PURPOSE:To obtain true abosolute azimuth data always stably with accuracy without being influenced by disturbance and the like regarding an azimuth detecting device used especially for an on-vehicle navigation system. CONSTITUTION:An azi...
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JPH0518770A |
PURPOSE:To automatically correct the error of a geomagnetic sensor so as to reduce the burden of a user, and maintain the measuring accuracy of the geomagnetic sensor to the specified accuracy regarding an azimuth detecting device used f...
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JPH0518750A |
PURPOSE:To provide an inclined direction finding device solidified with azimuth- inclination combined function by enciphering gimbal mechanism by the output of inclination sensors to form a mathematical horizontal disk, and obtaining an ...
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JPH055043B2 |
An electrical digital compass for use in a vehicle which includes sensing means (13) for sensing a magnetic field and means (35) for displaying the vehicle's orientation. A compensation and variation correction control, driven by a micro...
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JPH051914A |
PURPOSE:To compensate a change in a very small amount of magnetized vector of a car body so as to detect the amount of the magnetized vector without giving a user a burden by making compensation from the magnetized-vector of a car body t...
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JPH05645B2 |
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JPH05221Y2 |
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JPH04138215U |
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JPH04364416A |
PURPOSE:To enable a program to be simple and a calculation time to be reduced by eliminating a disturbance constituent which is included an angle data thetain nearly a complete form by compensating for the angle data theta with a digital...
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JPH0478930B2 |
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JPH0477845B2 |
An electronic compass for vehicles comprising at least two magnetic sensors arranged in use to be respectively responsive to orthogonal horizontal components of a magnetic field which includes the earth's magnetic field and a spurious ma...
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JPH04351909A |
PURPOSE:To suppress a damped oscillation at the characteristic frequency of a magnet sensitive to a high frequency component contained in a test magnetic field so as to shorten a time required for deciding a corective magnetic field, by ...
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JPH0476612B2 |
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JPH04346020A |
PURPOSE:To correct the central position of a circle drawn with the output signal of a geomagnetism sensor simply and accurately. CONSTITUTION:The first and second bearing changes from the starting point to the finishing point of turning ...
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JPH0475447B2 |
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JPH0473554B2 |
PCT No. PCT/DE84/00243 Sec. 371 Date Jun. 10, 1985 Sec. 102(e) Date Jun. 10, 1985 PCT Filed Nov. 14, 1984 PCT Pub. No. WO85/02911 PCT Pub. Date Jul. 4, 1985.A magnetometer with a time coding is proposed, which serves to measure magnetic ...
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JPH0473555B2 |
PCT No. PCT/DE84/00244 Sec. 371 Date Jun. 10, 1985 Sec. 102(e) Date Jun. 10, 1985 PCT Filed Nov. 14, 1984 PCT Pub. No. WO85/02912 PCT Pub. Date Jul. 4, 1985.A magnetometer (11) for time coded measurement of magnetic fields, which compris...
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JPH0448492Y2 |
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JPH0471443B2 |
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JPH04124411U |
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JPH04315913A |
PURPOSE:To obtain an adequate deflection angle correcting value and to improve the bearings detecting accuracy on a map by calculating the center coordinates data of a magnetic circle every time when the bearings of road is obtained. CON...
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JPH04313017A |
PURPOSE:To reduce the influence of noise and detect weak geomagnetism by orienting Hall elements having the same characteristic in the same direction and synthesizing the outputs of the elements in the opposite phases by respectively app...
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JPH04122314U |
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JPH04122315U |
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JPH0468566B2 |
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JPH0468565B2 |
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JPH04303707A |
PURPOSE:To make it possible to indicate the direction of geomagnetism, on e.g. the LCD panel of a digital wrist watch and to provide an electronic compass by forming a coil having a magnetic core on a semiconductor integrated circuit boa...
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JPH0465323B2 |
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JPH0464006B2 |
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JPH04274778A |
PURPOSE: To obtain a geomagnetism detecting type azimuth sensor which can be made small in size and can detect azimuth precisely even after it encounters a strong external magnetic field. CONSTITUTION: A magnetic wire having a jump magne...
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JPH04110992U |
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JPH04262205A |
PURPOSE:To constitute a magnetization-correcting type bearing detecting apparatus which can automatically judge the magnetization and correct the magnetization quickly after the magnetization. CONSTITUTION:A proper range is determined al...
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JPH0457964B2 |
A solid state compass having a pair of flux gates orthogonally disposed on a gimballed platform and coupled by a single pair of conductors to an electronic subsystem which includes a current source for energizing the respective flux gate...
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JPH04259014A |
PURPOSE:To attain the quick steering control of a working vehicle by obtaining an azimuthal position of the vehicle with a shift average operation on the time series data on an earth magnetism sensor. CONSTITUTION:The azimuth of a vehicl...
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JPH0438253Y2 |
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JPH04250312A |
PURPOSE:To eliminate the need for troublesome adjusting operation to enhance the commodity value. CONSTITUTION:A specified current energizes an X correcting coil to generate a test vector (r) going from point A0 toward point A1. Next, th...
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JPH04244913A |
PURPOSE:To enable an error in detecting orientation in high-speed driving to be reduced. CONSTITUTION:A compensation means 2 for compensating for an output from an earth magnetism sensor 6 and an orientation detection means 1 for detecti...
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