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JP2006308448A |
To provide a correction value memory unit capable of raising accuracy of correction value.Between a temperature sensor 13, a gyro sensor 14 and a battery 15, a terminal 16 connected with the battery 15 without putting an ignition switch ...
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JP3842316B2 |
To measure an accurate angle of rotation despite the tilt of the surface of revolution by amplifying and operating the signals by means of a tilt sensor and a specific number of magnetic sensors including a correction magnetic sensor. Th...
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JP2006300820A |
To obtain a precise azimuth angle estimation value from which an influence such as an error by disturbance and an observation noise is removed.In this true azimuth angle detecting method using a magnetic sensor and a rate sensor, the azi...
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JP3837533B2 |
To provide an attitude angle processing unit for accurately obtaining attitude angle information. The attitude angle processing unit comprises a magnetic sensor; a gravitational acceleration sensor; a position information acquiring unit ...
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JP2006275523A |
To provide an electronic azimuth device that is usable for a portable information terminal used for walking navigation or the like, capable of suppressing incorrect azimuth output caused by the disturbance magnetic field in a walking env...
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JP2006275524A |
To provide an electronic azimuth meter capable of acquiring a true bearing by detecting a change of a polarization state, namely, a change of offset, and by re-acquiring and correcting the offset only at that time.This electronic azimuth...
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JP2006266909A |
To provide a magnetic detector capable of finding intensity of an external magnetic field even under an environment having relatively large disturbance, and an electronic azimuth meter using the same.A current c and a current deviation x...
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JP3828187B2 |
To obtain a watch coupled with an arrangement for detecting the geomagnetic north direction being used for pointing some geographic direction or a predetermined place, e.g. the direction of Mecca. A watch is coupled with an arrangement f...
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JP2006234581A |
To display a traveling azimuth having a small error by utilizing turning of a vehicle, even if an electronic compass displays a wrong azimuth by polarization.This compass has two magnetic detection parts 11, 11' arranged orthogonally, an...
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JP2006234615A |
To provide a magnetic sensor element and a method of manufacturing the same capable of being mounted on a portable terminal by providing the magnetic sensor element and its manufacturing method capable of detecting the earth magnetism ev...
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JP2006226810A |
To provide an azimuth measuring instrument for performing calibration while suppressing the effect of an internal magnetic field by a simple operation and detecting an azimuth angle with high accuracy.When slightly turning this azimuth m...
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JP2006519981A |
A method for correcting a vehicle compass measurement for an interfering magnetic field generated by a vehicle accessory, where the interfering magnetic field has an intensity sufficient to cause a compass measurement error, includes mon...
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JP2006226952A |
To provide a geomagnetic latitude sensor capable of measuring a geomagnetic latitude.When a user of a cellular phone 1 instructs the measurement of the geomagnetic latitude by an operation part 70, a CPU 30 reads an output value of a geo...
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JP3816464B2 |
To provide a feeble magnetic field sensing sensor and a method for manufacturing the same, using a printed circuit board technology, capable of detecting the feeble magnetic field, in a range which is equivalent to the earth's magnetism....
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JP3810769B2 |
According to some embodiments of the present invention, a magnetometer includes at least one sensor for sensing a magnetic field component, a biasing circuit, and a processor. The sensor generates an output signal having a signal charact...
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JP3807296B2 |
To provide an opening and closing detecting switch for a foldable portable terminal with superior durability which can be inexpensively realized by only known electronic parts and without requiring new electronic parts. In the foldable p...
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JP3794122B2 |
To provide a detecting device of magnetism which facilitates miniaturization and cost reduction and enables attainment of high sensitivity. This detecting device of magnetism is equipped with a magnetic sensor 3 prepared by winding a coi...
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JP2006170997A |
To provide a terrestrial magnetism sensor capable of measuring the azimuth, using biaxial flux gates and computing the correct azimuth by compensating for the effects of the tilt angle.The terrestrial magnetism sensor contains a terrestr...
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JP2006153833A |
To improve responsiveness by reducing spherical weight, to facilitate the balance adjustment, and to miniaturize the whole device, in an azimuth detector employing a floating sphere.A plurality of optical sensors 11a, 11b and 11c are arr...
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JP2006153674A |
To solve a problem in a direction sensor for determining a direction by detecting earth magnetism that accurate and stable calibration is not made since it is necessary to turn the direction sensor in its calibration.This direction senso...
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JP3782915B2 |
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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JP3782664B2 |
A rearview mirror assembly (100) is disclosed for use in a vehicle that includes a mirror housing (120), a mounting structure (200) for pivotally mounting the mirror housing to the vehicle such that the mirror housing may be both vertica...
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JP2006138829A |
To provide a detector reactive to vertical magnetism with minimized mechanism parts.In this detector, a magnetic needle unit 3 is subjected to water repellent treatment, and the inner wall of a chamber 4 is subjected to hydrophilic treat...
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JP2006133154A |
To provide a geomagnetic sensor capable of reducing the influence of abnormal disturbance magnetic field by detecting disturbance magnetic field with high accuracy, and a mobile body display device provided with the geomagnetic sensor.In...
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JP3774753B2 |
The invention relates to a method for determining correction parameters for the measured values of a magnetic compass, which is built into a land craft for navigation purposes, and gives the azimuth a of the direction of motion of the ve...
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JP3772806B2 |
To provide a magnetic direction detection system, which always corrects the influence of disturbing magnetic field, caused by steering angle control, and detects normal magnetic direction, regardless of the attitude angle of a moving bod...
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JP2006113019A |
To provide a triaxial type electronic compass capable of detecting precisely an azimuth in response to all the attitudes without being restricted by attitude angles, and an azimuth detecting method using the same.When two candidates α1,...
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JP2006109216A |
To improve communication status which deteriorates by keeping away from a radio base station during communication in a portable communication terminal.A direction of the radio base station DM is displayed on a base station direction indi...
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JP2006098320A |
To provide a magnetic type attitude sensing sensor simple in configuration and mountable on portable electronic equipment, and also to provide the electronic equipment.The magnetic type attitude sensing sensor applies first and second bi...
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JP2006098200A |
To provide a portable terminal enabling a user to perform easily calibration operation.When detecting application of power to the portable terminal 100, a main control part 220 acquires data on magnetism from a magnetometric sensor part ...
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JP2006094368A |
To accurately know a relation of the true north and the direction of a screen of a mobile phone even if the mobile phone is carried to anywhere.A compass 11 detects an angle to a horizontal component of the magnetic north of a mobile pho...
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JP3763435B2 |
To provide a widely usable attitude angle detecting device used for attitude control and detection of a mobile, moderated with limitation for the place or environment to use. This device is provided with three gyroscopes 5, 6, 7, two acc...
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JP2006069528A |
To provide a compass system for automobiles that can prevent a magnetic sensor used in a compass for an automobile from being out of order due to magnetic fields generated in wiring in the automobile body.A wiring system includes a vehic...
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JP3751056B2 |
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JP2006054726A |
To enable an azimuth angle to be measured accurately, by eliminating the influence of an offset magnetic field from electronic components having a magnet.When the directions of a magnetic pole in ringing tone speakers 8, 9 for generating...
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JP2006047038A |
To provide a correction method for a geomagnetic sensor which starts correction by causing a portable information terminal itself to recognize that there is an abnormality in an initial offset value, displays directions for rotation oper...
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JP2006047267A |
To provide a three-dimensional magnetic direction sensor easily manufactured and assembled, capable of reducing a size, and capable of detecting the direction with high precision, irrespective of the attitude thereof, and to provide a ma...
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JP3119132U |
To provide a gravity equilibrium compass device capable of exhibiting a high ornamental effect and enhancing the decorative effect by arranging ornaments in equilibrium on a central axis of an equilibrium frame. The external receiving st...
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JP2006047295A |
To provide an azimuth-measuring arrangement capable of precisely measuring true azimuth with an arbitrary attitude.A three-axis sensor body 10 comprises a two-axis sensor unit 18 for detecting an earth rotation angular speed component ω...
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JP3746354B2 |
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JP2006038750A |
To provide a magnetic information providing system for providing information that gives enjoyment to a consumer by using a portable terminal, such as a mobile phone provided with a magnetic sensor in treasure hunting, orienteering or the...
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JP3741467B2 |
To provide an electronic direction detection apparatus by which an indication error is reducid sufficienly as compared with that in conventional cases and in which the complicated adjusting operation of a magnetic sensitivity as in conve...
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JP2006503306A |
A method for extracting components from signals in an electronic sensor (50) having a sensing element (52). The sensing element (52) generates a first signal (60) and a second signal (62). The method comprises the steps of: receiving the...
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JP2006023192A |
To provide a portable electronic device which a user can easily judge if or not calibration is necessary.A main controller 220 acquires data concerning a magnetic field from a magnetic sensor 210 at a predetermined timing, reads an old o...
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JP2006010591A |
To provide a thin triaxial azimuth sensor of high geomagnetism detection precision easy to be manufactured.A diaxial magnetic detecting part and a monoaxial detecting part comprising an MR element are formed on a flexible base material, ...
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JP3734868B2 |
To correct error in the measurement due to magnetic perturbation and positional mismatch of magnetometer easily, quickly and accurately by introducing a measurement of field, a time derivative thereof and a perturbation field into a logi...
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JP2006005540A |
To provide a mobile terminal surely executing measurement of an offset value in the calibration of a magnetism sensor mounted on the mobile terminal.The mobile terminal provided with the magnetism sensor includes: an arrival of call dete...
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JP2006003116A |
To provide a small-size three-axis magnetic sensor having high sensitivity with respect to direction detection, and having excellent mass productivity.This magnetic sensor has: a two-axis magnetic sensor part having a magnetoresistive ef...
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JP2005351815A |
To provide an azimuth detector capable of correcting a signal of a azimuth sensor in response to a change of a magnetic field accompanied to an operation of an electric device in the azimuth sensor arranged in an area where magnetic fiel...
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JP3729116B2 |
To provide an azimuth meter that is extremely thin but whose sensitivity can be improved. In the azimuth meter, two rectangular planar coils that are provided in parallel, and four sets of magnetoresistive element pairs are provided on a...
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