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JP4398981B2 |
A measured physical quantity calculating part 41 calculates a measurement result-corrected value obtained by correcting a measurement result of a sensor unit 25 by the use of corrected values for the sensor unit 25. Subsequently, a measu...
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JP4393916B2 |
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JP4391416B2 |
An azimuth measuring device capable of calibrating a magnetic sensor without putting load on a user is provided. When a point having amplified output values Sx, Sy, Sz after a sensitivity correction as x, y, z components is arranged on a...
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JP4381161B2 |
A method for measuring a directional of a body in a three-dimensional space defined by an X-axis (magnetic north), a Y-axis, and a Z-axis is proposed. A geomagnetic force along an x-axis, which is the direction towards which the body poi...
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JP4381162B2 |
A method for measuring a directional of a body in a three-dimensional space defined by an X-axis (magnetic north), a Y-axis, and a Z-axis is proposed. An x-axis tilt angle, which is an angle between a horizontal plane and an x-axis, whic...
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JP4373799B2 |
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JP4365402B2 |
In a travel angle detection system for a mobile object having a detector installed in the mobile object to produce angular velocity outputs successively, the detector outputs are read and one output is determined as a provisional calibra...
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JP2009257769A |
To provide a vehicle search system which accurately searches for the direction of a vehicle at various places.The vehicle search system 1 for searching for the direction of the vehicle 3 viewed from a mobile machine 2 is equipped with: a...
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JP4354618B2 |
To provide an adjusting method of an electronic azimuth meter capable of properly adjusting the electronic azimuth meter and an apparatus used for the method. According to an adjusting method of an electronic azimuth meter having a magne...
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JP2009229062A |
To provide a portable electronic apparatus loaded with a biaxial geomagnetic sensor for accurate calibration processing.This portable electronic apparatus (110) includes the biaxial geomagnetic sensor (110) for detecting geomagnetism; a ...
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JP4340188B2 |
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JP2009222542A |
To provide a magnetometric sensor element for detecting magnetism stably and accurately, and having a small power consumption.This magnetometric sensor element 1 includes a constitution wherein a thin film coil is wound around a magnetic...
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JP2009210561A |
To provide an information display system feasible at low cost for allowing a diver under diving to reliably confirm his way home by easier operation.The information display system includes a dive computer 2 stored in a waterproof case 21...
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JP4331630B2 |
To provide a small and light magnetic sensor capable of sensitively sensing even weak magnetic field with a magnitude of field of the terrestrial magnetism. For sensing the variation of magnetization of soft magnetic material layer for f...
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JP2009204305A |
To provide an earth magnetism detecting program capable of accurately detecting geomagnetism even in an environment in which a leakage field is present and provide an electronic compass.An adjustment magnetic field is used as a correctio...
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JP4327570B2 |
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JP2009198197A |
To provide a buoyancy type magnetic azimuth detection element that miniaturizes an annular bobbin and has exciting winding.Liquid 13 occupying substantially a half of annular space is filled into the non-magnetic annular bobbin 11 having...
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JP4318712B2 |
A geomagnetic sensor with 3-axis acceleration sensors is provided. The geomagnetic sensor a geomagnetic measurement module including flux gates of X, Y and Z axes mutually crossing at right angles, a tilt measurement module including acc...
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JP4317173B2 |
Method and system to detect orientations of a moving object using one or more magnetic compasses. The method and system minimize magnetic field interference in a space where an object is moving such that the orientations of the moving ob...
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JP4311447B2 |
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JP4312566B2 |
To provide an imaging apparatus effectively using a detection result on direction for imaging function. An imaged picture data generated by an imaging part 157 and the information on direction detected by a direction detecting part 158 w...
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JP2009168765A |
To provide a magnetic sensor element for stably and accurately detecting magnetism with little power consumption.The magnetic sensor element 1 is constituted by winding thin film coils around a magnetic core material 8. The magnetic core...
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JP4294093B2 |
Computer vision systems provide a user a view of a scene whereby an image of the scene may have been augmented with information generated by a computer. Computer vision systems of the present invention include graphical user interfaces w...
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JP4293922B2 |
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JP2009133691A |
To provide a portable terminal, a program, and a method for determining as accurately as possible the traveling direction of a pedestrian by using an acceleration sensor and a geomagnetic sensor mounted on the portable terminal even in t...
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JP4278952B2 |
A portable terminal (e.g., portable telephone) is constituted using a geomagnetic sensor for detecting an azimuth, and a GPS receiver for detecting a present position thereof. A direction of a prescribed place (e.g., Mecca) is calculated...
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JP2009128164A |
To provide a small-sized inexpensive sensor having a small load of a control operation part, capable of detecting highly accurately acceleration-angular velocity and a magnetic azimuth, and a detection device using it.This composite sens...
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JP4274420B2 |
Sensor comprises an annular ferromagnetic core (4) attached to the surface of a semiconductor chip (1) and an exciter coil (2) to which an exciting current can be applied. Magnetic field sensors (5, 6) detect the resultant magnetic field.
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JP2009122049A |
To provide a geomagnetic sensor capable of allowing a sensor package to be thin and small and processes for assembling the parts to be reduced.This geomagnetic sensor 100 comprises three sensor elements 130a, 130b, 130c arranged on a fac...
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JP2009109378A |
To provide an electronic hardware capable of implementing magnetic sensing stably even if electron elements generating direct-current magnetic field exists in the vicinity, without reducing degree of freedom of layout of electron element...
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JP4254737B2 |
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JP4252555B2 |
A mobile device or the like having a 3-axis electronic compass is rotated, and the outputs from magnetic sensors disposed in the three axis directions are input to a first arithmetic processing unit (11) so as to obtain the magnetic data...
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JP4244807B2 |
A direction sensor has a first and a second bridge circuits; each circuit including at least two detecting elements formed on a main surface of a substrate and connected in series and their longitudinal directions are crossing each other...
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JP4244561B2 |
A portable phone has a CPU and a magnetic sensor unit including an X-axis magnetic sensor, a Y-axis magnetic sensor, and a temperature sensor. CPU measures at first and second temperatures the influence of a magnetic field of permanent m...
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JP4229093B2 |
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JPWO2007020702A1 |
The sensor device 10 is composed of a detection unit 12 having a 3-axis acceleration sensor 20 and a temperature sensor 22, an acceleration vector calculation unit 30, a total acceleration calculation unit 34 for calculating the magnitud...
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JP4224490B2 |
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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JP4220371B2 |
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JP4213072B2 |
To provide a portable communication terminal for obtaining an azimuth precisely by using a terrestrial magnetism sensor, and to provide an error correction method in the terrestrial magnetism sensor. If the change in the fitted state of ...
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JP4213071B2 |
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JP4207929B2 |
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JP4203463B2 |
Provided are an apparatus and method of calibrating azimuth of a mobile device. The apparatus includes: a motor; a magnetic field measuring unit disposed in the mobile device and measuring magnetic field data indicating magnitudes of a m...
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JP2008304297A |
To provide an omnidirectional sensor capable of simultaneously extracting the direction of an azimuthal magnetic needle operated by a terrestrial magnetism and the inclination to the direction of gravity by a simple method.In this omnide...
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JP2008298594A |
To provide a balancing apparatus in which the balancing part overcomes an extremely small frictional force between the part and the supporting part by the mutual interaction between the magnetic force of the magnetic part and the earth m...
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JP4189375B2 |
Provided is a method and apparatus for using a magnetic field. The method includes: measuring and storing a series of magnetic field magnitude values measured in different directions by sensors rotating relative to the magnetic field; an...
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JP4187261B2 |
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JP4184351B2 |
There are provided a method and apparatus for determining a geomagnetic field by using a compass and a method and apparatus for determining an azimuth angle of a moving object using the method and apparatus for determining a geomagnetic ...
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JP4181539B2 |
Provided are an apparatus and method of calibrating azimuth of a mobile device. The apparatus includes: a magnetic field measuring unit having a plurality of magnetic sensors aligned in a constant angle interval on the mobile device and ...
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JP4180321B2 |
To provide a magnetic sensor capable of being miniaturized and improving productivity and ease of assembling. In the magnetic sensor, Hall elements H11-H14 are disposed at four corners in a die pad DP of a magnetic lead frame, and a sign...
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JP4176040B2 |
A mobile bearing calculator having a geomagnetic sensor for detecting earth-magnetism and a control unit for calculating a geographical bearing based on detection values of the geomagnetic sensor. The control unit monitors for an event s...
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