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JPH06307872A |
PURPOSE: To measure the angle of geomagnetic azimuth accurately by averaging instability of the output (inter-terminal voltage) due to the Barkhausen noise and hysteresis characteristic of a magnetic resistance effect element (MR element...
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JPH06307871A |
PURPOSE: To correct the magnetization of an on-vehicle geomagnetic azimuth sensor without turning a vehicle by using the output of an azimuth detecting element and a magnetism detecting element of both points, of which azimuth is relativ...
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JPH06294651A |
PURPOSE: To carry out correction of magnetization without turning a mobile while attaining azimuth data thereof in real time. CONSTITUTION: A magnetization correction amount operating circuit 20 operates a magnetization correction amount...
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JPH06294805A |
PURPOSE: To provide a superior angle velocity sensor having an approximately flat frequency characteristics over all frequency band and at low cost. CONSTITUTION: Provided are a terrestrial magnesium sensor 3 outputting signal of direct ...
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JPH06294650A |
PURPOSE: To introduce geomagnetism from a magnetic lens to a magnetosensitive element with no leak, while suppressing the positioning error of a member, by jointing the magnetosensitive element to the magnetism converging end of a magnet...
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JPH0682051B2 |
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JPH06288770A |
PURPOSE: To determine the direct azimuth, improve the accuracy of the azimuth, and provide a preferable manufacturing method. CONSTITUTION: Sixteen strip-shaped MR elements 1 are prepared, and these MR elements 1 are arranged at the posi...
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JPH06288776A |
PURPOSE: To correctly determine the present azimuth by individually evaluating the errors in the azimuth data of a,GPS receiver and the angular velocity data of a gyro, computing the Kalman filter gain, and determining the ratio of use o...
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JPH0678909B2 |
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JPH0669881U |
[Purpose] It is an object of the present invention to provide a portable watch with a directional meter that can take a general watch case structure, can easily configure a waterproof structure, and can achieve design variation. [Constit...
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JPH0637286Y2 |
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JPH0676889B2 |
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JPH06265610A |
PURPOSE: To obtain a superconducting magnetometer which is capable of preventing bad influence of magnetism due to attitude change because of turning of an airplane or rotation of a rotary mechanism and having small estimation errors of ...
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JPH0674979B2 |
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JPH06265356A |
PURPOSE: To prevent a graduation from becoming invisible when an air bubble generated inside a container is moved to the corresponding position of the graduation on an azimuth graduation plate by a method wherein a recessed part for air-...
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JPH0665882U |
[Purpose] To provide a triaxial geomagnetic sensor that can be miniaturized, can reduce the installation man-hours, and is inexpensive. [Constitution] The first bobbin 13 to which the first drive core 11 is mounted is provided with two d...
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JPH0635126Y2 |
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JPH06255983A |
PURPOSE: To eliminate the slewing deviation by correctly specifying the direction of a lifting tool to hold a steel strip coil so as to obtain the desired direction. CONSTITUTION: An elevating member 8 is elevatably provided on a club tr...
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JPH06249663A |
PURPOSE: To eliminate the need of circling a traveling vehicle one turn for alarming the magnetization of the vehicle body so that the alarming can be surely performed any time by providing an area judging means which judges whether or n...
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JPH0664115U |
[Purpose] The number of signal lines can be reduced, and the number of signal lines can be reduced to reduce the size and improve reliability. [Constitution] In a gyro compass system that is driven by a signal from the master compass and...
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JPH0664114U |
[Purpose] The compass is made into a convex lens, which has the function of the compass and the function of the magnifying glass of the convex lens, making it convenient for mountain climbing. [Constitution] A transparent lens that cover...
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JPH0664113U |
[Purpose] When using the map, a compass and a itinerary were combined to know the direction and the route. [Constitution] Set the circumference of the magnetic needle to u or v and fit the rotating part, and make it a gear shape so that ...
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JPH06507973A |
An electronic direction finder (10) includes a navigation receiver (28) and a compass (32) to generate a bearing signal that indicates that direction of a desired destination. The bearing signal is received by a display driver (34) which...
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JPH06241808A |
PURPOSE: To provide a magnetic amplitude detection device which is not affected by magnetization without reducing the detectable maximum magnetic field and does not cause the drive circuit of excitation current to be complex. CONSTITUTIO...
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JPH06507707A |
PCT No. PCT/GB92/00978 Sec. 371 Date Nov. 30, 1993 Sec. 102(e) Date Nov. 30, 1993 PCT Filed May 29, 1992 PCT Pub. No. WO92/21936 PCT Pub. Date Dec. 10, 1992.An attitude sensor comprises a spherical ball suspended in a fluid contained in ...
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JPH0633365Y2 |
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JPH0632573Y2 |
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JPH0663771B2 |
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JPH06229772A |
PURPOSE: To enhance reliability by allowing the correction of error contained in the differentiated amount of measurements and reducing the error which is otherwise accumulated through integration. CONSTITUTION: The integration sensing u...
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JPH06221852A |
PURPOSE: To quickly and easily measure the transit and inclination of an objective face without experienced skills by using a plurality of tilt angle sensors and azimuth sensors respectively. CONSTITUTION: Analog electric signals Ax, Ay,...
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JPH0628319Y2 |
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JPH0654238B2 |
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JPH06194169A |
PURPOSE: To form a magnetic flux sensor with an integrated circuit to obtain an ultra-small magnetic flux sensor by directly biasing a conducting magnetic substance. CONSTITUTION: The signal oscillated by an oscillator (a) is amplified b...
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JPH06190011A |
PURPOSE: To know the directions of cardinal points by the sense of hearing or the sense of touch to know which direction a blind person himself faces now and to determine which direction he forwards when the blind person walks. CONSTITUT...
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JPH0649951U |
[Purpose] It is related to a stapler for simultaneous stop of 2 stitches, which can stop 2 stitches at the same time. [Constitution] The thickness of the needle extrusion plate (1) has been increased so that two needles can be extruded a...
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JPH06186046A |
PURPOSE: To provide reliable azimuth by correcting a theoretically calculated variation of azimuth. CONSTITUTION: The difference between geomagnetic azimuth and reference geomagnetic azimuth StdMAG and the difference between wheel azimut...
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JPH0650246B2 |
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JPH0650247B2 |
In a navigation device for land vehicles the orientation signal which indicates the direction of movement along which the vehicle is moving is measured on the one hand by an electronic compass and on the other hand a further orientation ...
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JPH0650248B2 |
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JPH06180236A |
PURPOSE: To provide a navigation apparatus wherein it is improved in such a way that a map matching operation which searches a verification point specified according to the direction of geomagnetism can be executed efficiently and it uti...
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JPH06174470A |
PURPOSE: To adjust the offset newly generated by magnetization by storing the maximum value of the output of a magnetic sensor immediately after the initial offset adjustment. CONSTITUTION: An electronic azimuth meter is provided with a ...
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JPH06174471A |
PURPOSE: To provide an electronic azimuth meter capable of avoiding the error of the measured azimuth caused by the hysteresis phenomenon of magnetoresistive elements. CONSTITUTION: Individual circuit sections are controlled by a control...
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JPH06174472A |
PURPOSE: To provide an electronic azimuth meter capable of avoiding the reduction of the azimuth measurement precision caused by the magnetization of a magnetic sensor. CONSTITUTION: An electronic azimuth meter is controlled by a CPU 7, ...
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JPH06174863A |
PURPOSE: To provide an electronic compass which can easily detect accurate bearings with respect to either direction determined when correcting bearings detected by detection of geomagnetism. CONSTITUTION: An electronic compass is contro...
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JPH0648195B2 |
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JPH0623928Y2 |
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JPH06167347A |
PURPOSE: To provide a gyro correction device for vehicle with improved accuracy. CONSTITUTION: This gyro correction device is provided with an earth magnetism sensor 20 for detecting earth magnetism, a gyro 30 for detecting spinning angu...
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JPH0643895B2 |
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JPH0643897B2 |
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JPH0643896B2 |
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