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JP2003014459 |
To provide an azimuth detector, an azimuth detecting method and the like capable of performing a precise azimuth detection with a simple structure.In an azimuth detection sensor 10, coordinate information showing an azimuth or inclinatio...
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JP2003004831 |
To inexpensively provide a high-performance and flat orthogonal flux gate type magnetic sensor which can be mounted easily to a mobile device.In the orthogonal flux gate type magnetic sensor provided with a flat detecting coil, a magneti...
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JP3383803 |
PURPOSE: To provide a small-sized lightweight voice type azimuth display device corresponding to the physiological and psychological conditions of an user by displaying the output of an azimuth sensor by voice by use of a computer only w...
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JP2002372576 |
To acquire azimuth information by receiving signals transmitted from GPS satellites, by a single antenna. One GPS plane patch antenna 1 for L1 wave having hemispherical beams is arranged in the horizontal state of the beam center to form...
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JP2002350527 |
To smoothly change the azimuth when a GPS azimuth measuring unit recovers from reception failure. The apparatus comprises a GPS azimuth measuring unit, an interpolated azimuth generator, a failure detector for the GPS azimuth measuring u...
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JP2002350137 |
To provide an improved inspection system for a small angular motion detector. The mechanical and electrical integration type automatic inspection system for an angular motion detector is provided with a fixing instrument 42 for inspectio...
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JP2002350136 |
To thin and reduce the area of an azimuth meter. A plane coil and at least two groups of thin film magnetic resistance effect element groups are arranged and each constitutes an MR bridge, detects and outputs rectangular two components o...
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JP2002333339 |
To match an actual geographical bearing with the bearing of a map displayed on a display screen and display them regardless of a direction (bearing) in which the upper side of the display screen of a cellular phone, etc., is directed.The...
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JP2002333320 |
To provide a very thin bearing indicator capable of rasing sensitivity.The bearing indicator is provided with a quadrilateral plane coil and 4 pairs of magnetic resistance element in 2 planes parallel to it. It crosses only one side of t...
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JP2002323321 |
To provide a very thin azimuth meter capable of reducing the measurement frequency and increasing the sensitivity.This azimuth meter is provided with a crisscross flat coil and at least a pair of magnetic resistance element arranged on a...
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JP2002310659 |
To provide a very thin goniometer capable of reducing the number of measurement times and enhancing its sensitivity.This goniometer is provided with a planar coil, having a pair of parallel opposite sides and at least a pair of magnetore...
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JP2002303516 |
To accurately measure the position of a propulsion head in spite of spatial turbulence of magnetism.This propulsion head position direction measurement device is provided with first and second magnetic field detectors 102 and 103 arrange...
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JP2002277522 |
To provide a highly sensitive and highly accurate magnetic field sensor constructible out of a simple electronic circuit wherein an induced voltage becomes zero when a magnetic field imposed thereon is zero and the response thereof to th...
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JP2002237874 |
To provide a mobile communication equipment provided with an azimuth sensor of low cost and low consumption power which is small-sized and lightweight.The mobile communication equipment provided with a radio communication means including...
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JP2002228447 |
To provide a bearing sensor smaller in shape and inexpensive.The first conductor 14 for generating a bias magnetic field, the second conductor 16 for generating a bias magnetic field, a magnetic resistance element 18 comprising a magneti...
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JP2002196055 |
To accurately measure an azimuth by means of a geomagnetic senor built in a cellular phone even if the geomagnetic sensor is tilted according to an attitude or a handling way of a user.A hybrid magnetic sensor 200 integrally constructed ...
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JP2002181547 |
To provide an azimuth measuring system which can realize the orthogonality of magnetic fields without being influenced by the orthogonality in terms of the shape and the arrangement of triaxial exciting coils.A first exciting coil 13X ar...
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JP3318761 |
PURPOSE: To reduce a measurement error in azimuth due to hysteresis of a magnet-sensitive element and/or that due to fluctuation of a bias magnetic field. CONSTITUTION: A bias magnetic field generation circuit 2 applies positive and nega...
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JP3318762 |
PURPOSE: To decrease the measuring errors of the azimuth of a magnetic sensor caused by hysteresis and the like. CONSTITUTION: A bias-voltage inverting circuit 21 outputs the voltage obtained by alternately inverting the polarity of a vo...
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JP3318763 |
PURPOSE: To decrease the measuring errors of the azimuth of a magnetic sensor caused by hysteresis. CONSTITUTION: The output voltages of magnetoresistance elements 17 and 18 when positive and negative bias magnetic fields are applied are...
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JP2002168629 |
To provide a method, in which a magnetic direction detector for a portable terminal device is mounted with satisfactory accuracy, when a portable telephone is used in a natural style without giving load to a user.In the mounting method f...
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JP3314537 |
PURPOSE: To display a moving direction on an azimuth scale with an azimuth closer to the moving direction of a traveling body as the center by detecting the moving direction of the traveling body and judging whether the direction is with...
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JP2002142963 |
To provide an electronic apparatus for islamic worship which enables displaying of the moment of prayer and the direction of Mecca at any region of the earth to help islamic worshippers travelling overseas who is confused too much to det...
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JP2002090150 |
To provide a direction estimation device and position estimation device capable of regularly precisely estimating a direction and position regardless of the circumferential environment.The reliabilities of a DGPS receiver 2, a speed mete...
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JP2002090151 |
To provide a sensor abnormality determination circuit capable of coping with both miniaturization, simplification and cost reduction of a device, and determination of the quality of data used for steering control.Figure 1 shows the const...
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JP2002071352 |
To measure declination and inclination of terrestrial magnetism anywhere on the earth, except at places near both the south and north poles since a rod magnet is put in the center of a sphere and, floated on water and indicates the direc...
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JP3278905 |
PURPOSE: To improve detection accuracy of an azimuth by controlling the level of bias magnetic fields in different directions which are applied to a magnetic detection means to be equal in all directions. CONSTITUTION: A coil driving cir...
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JP3278950 |
PURPOSE: To eliminate the need for a complex turning operation, reduce calculation time, and eliminate the need for a steering sensor etc. CONSTITUTION: An azimuth sensor 1 is mounted on a traveling body and then outputs X, and Y compone...
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JP2002054928 |
To provide an azimuth measuring device capable of measuring an azimuth from a reference position to a measured object position even in the ground or in the water.This measuring device includes first, second and third exciting coils 13zx,...
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JP2002048551 |
To provide an adjusting method for an electronic azimuth meter capable of properly making the adjustment of the electronic azimuth meter and to provide a device used for this method.In this adjusting method for the electronic azimuth met...
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JP3277771 |
To obtain a bearing detection apparatus in which a computing operation based on data on the small number of detection points can be performed and by which the computing load of a control means is reduced by a method wherein data on the c...
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JP3277752 |
PURPOSE: To obtain a highly accurate small-sized sensor for detecting azimuth electrically which exhibits high reliability when mounted while reducing the power consumption. CONSTITUTION: A reluctance element 31 is inserted into a holder...
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JP3277778 |
To prevent a detection error due to noise and the like when an automobile is rotated for obtaining a circular vector, to simplify the computing processing, and to correct a detection error due to a magnetic characteristic specific to a m...
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JP2002039757 |
To decrease variation in sensitivity Sa of a magnetism detecting circuit which is caused when a magnetic sensor comprising a magnetoresistance element of bridge configuration is driven with a constant current down to a variation in sensi...
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JP3263437 |
PURPOSE: To effectively measure own vehicle's position by means of satellite navigation without requiring waiting time, and discriminate accurately the existence of reliability in measurement by means of the satellite navigation even if ...
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JP2001330439 |
To solve the problem that a direction signal which is output from a direction calculation and processing part is frequently changed over by a direction change cause inside a vehicle and that the display of a direction indicator flashes (...
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JP2001324331 |
To provide an electronic azimuth meter with a correction mechanism allowing easy determination of a maximum/minimum value.The correcting mechanism for the electronic azimuth meter is provided with a storage part 20 storing maximum values...
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JP2001296127 |
To provide a magnetic field detector which has high sensitivity and is miniaturized and whose power consumption is reduced, when a magnetic field is detected. The magnetic field detector is composed of a first magnetism sensing element 1...
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JP2001280969 |
To provide a compact electronic azimuth instrument capable of accurately measuring directions. This electronic azimuth instrument 1 has an electronic azimuth instrument body 2 and X-direction and Y-direction magnetism sensors for detecti...
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JP2001272233 |
To make a direction known using a simple operation in an electronic compass which utilizes a general-purpose global positioning system. The electronic compass utilizes GPS, and data on the latitude, longitude, altitude, etc., of a specif...
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JP2001272234 |
To make the direction of Mecca known by using a simple operation in an electronic compass which utilizes the general-purpose global positioning system. The electronic compass utilizes GPS, comprise a geomagnetic sensor to measure geomagn...
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JP2001235347 |
To aid a user of a map information terminal in easily finding not only self-position at the current location but also the direction which he/she faces, by only viewing the map on screen, at least when the power is turned on.The map infor...
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JP2001228270 |
To provide an electronic equipment which comprises a small and high-performance magnetic sensor where the magnetic sensor is provided close to a disc-like part element bearing magnetism, related to the electronic equipment comprising the...
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JP3216182 |
PURPOSE: To enable the correcting of variations in characteristic simply of a plurality of magnetic sensors. CONSTITUTION: When voltages to be applied to bias coils L1 and L2 are inverted in polarity, the peak voltages are held in capaci...
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JP2001194143 |
To provide a detection method for relatively determining X-, Y- and Z-axes and a device therefor. The device includes an inner ball frame and an intermediate ball frame combined into the form of a tumbler with a light upper part and a he...
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JP2001178765 |
To provide a direction indicator for visual handicapped person, capable of simply informing a visual handicapped person of a direction. A horn 6 which is formed out of material having higher magnetic permeability than the atmospheric air...
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JP2001108757 |
To provide a magnetic-dipole signal source inferring device, capable of inferring the slant range, the direction, and the magnetic moment of a signal source. This device is equipped with a magnetometric sensor for detecting magnetism a s...
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JP2001099651 |
To provide an azimuth informing apparatus for visually handicapped people whereby the visually handicapped people can easily and correctly know an azimuth. When a conductive part set to a lower face of an N-pole arm 8b of an earthed magn...
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JP2001099653 |
To provide an azimuth informing apparatus for visually handicapped people which can inform a correct azimuth to visually handicapped people. An electrode 7 is turned to a float state when an earthed magnetic needle 6 points to the north....
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JP2001099654 |
To eliminate the need of forming a solenoid-like coil to the periphery of a magnetic layer or applying an external magnetic field in a thickness direction to the thin film magnetic layer in a flux gate sensor. Exciting coils 23 and detec...
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