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JP5128778B2 |
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JP5125534B2 |
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JP2013002886A |
To provide a technology for generating azimuth or locus data of a portable device.A 3-axis acceleration sensor 12 is disposed so that 3 axes are parallel to the 3 axes of a geomagnetic sensor 14. A signal processing unit 20 receives an o...
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JP5105598B2 |
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JP5109800B2 |
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JP5095873B1 |
An apparatus for measuring trend and plunge of a geologic line feature and an auxiliary apparatus for measuring trend and plunge. The apparatus for measuring trend and plunge includes a rod operable to be disposed parallel to a lineation...
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JP2012237704A |
To detect a precise value of terrestrial magnetism.A mobile phone 1 has a ROM30 which stores a terrestrial magnetism measurement program 100 having an initial value generation module 110 and a nonlinear Kalman filter module 120, a terres...
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JP5086225B2 |
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JP5084419B2 |
A method of calibrating a compass sensor in consideration of a magnetic environment is provided. The method includes (a) acquiring magnetic force data by rotating a compass sensor 360 degrees, the compass sensor including a biaxial magne...
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JP5079660B2 |
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JP5075979B2 |
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JP5070428B2 |
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JP5072105B2 |
To provide a portable terminal, program, and method which determine the traveling direction of a pedestrian accurately, even when the pedestrian is walking with a portable terminal in his/her hand, using only a geomagnetic sensor install...
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JP5072100B2 |
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JP5072093B2 |
To provide a portable terminal, a program and a method for accurately determining the traveling direction of a pedestrian by using only a geomagnetic sensor mounted to the portable terminal even if the pedestrian walks while he/she carri...
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JP5073252B2 |
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JP2012215430A |
To provide a magnetic compass for surveying use equipped with a power drive function device capable of reducing indication errors of the magnetic needle.An apparatus comprises a magnetic compass provided with a magnetic needle; a collima...
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JP5067155B2 |
In a magnetic data processing device, a magnetic data input part sequentially receives magnetic data output from a three-dimensional (3D) magnetic sensor. A storage part stores a plurality of the magnetic data as a data set of statistica...
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JP5059311B2 |
A compass system comprises an electronic compass capable of providing a raw compass reading, at least one adjustment factor relating to a position of the electronic compass, and a compensation device selectively providing a compensated c...
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JP2012189323A |
To update offset of a magnetic data measuring device.A device 1 comprises a component which generates an internal magnetic field, a three-dimensional magnetic sensor 60 and a CPU 10. On the basis of a plurality of magnetic data items suc...
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JP5040103B2 |
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JP5035448B2 |
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JP5033526B2 |
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JP5022747B2 |
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JP5023073B2 |
A motion sensing program for executing a motion sensing based on at least a biaxial output of a magnetic sensor, which includes the steps of determining with respect to execution of the motion sensing based on the output of the specific ...
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JP5017527B2 |
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JP5017539B1 |
A geomagnetic application device comprising a triaxial magnetic sensor, a measurement point acquiring means, a calibration means for calibrating offset of the magnetic sensor, and an azimuth calculation means, is provided. The geomagneti...
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JP5014645B2 |
To prevent wrong azimuth detection even when external equipment generating a magnetic field such as a speaker is mounted on/dismounted from portable electronic equipment which displays an azimuth and its control method. This portable ele...
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JP5012252B2 |
In a magnetic data processing apparatus (10), an input part successively inputs magnetic data from a magnetic sensor (11). A first generation part stores samples of the magnetic data (121) in accordance with a first sampling rule, and ge...
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JP2012152481A |
To provide a portable device and a training control method executed on the portable device which are applied to health control.A processing unit 20 executes first processing for comparing a current direction estimated by a direction calc...
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JP4993758B2 |
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JP4988170B2 |
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JP4984962B2 |
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JP4970033B2 |
A magnetic-sensing apparatus and methods of making and using thereof are disclosed. The sensing apparatus may have one or more magneto-resistive-sensing elements, one or more reorientation elements for adjusting the magneto-resistive-sen...
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JP4955115B2 |
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JP4950597B2 |
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JP4945995B2 |
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JP4947669B2 |
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JP2012103207A |
To provide an output correction circuit of a magnetic sensor capable of correcting the output of a magnetic sensor by estimating a sensitivity and an offset value en bloc accurately and at high speed as compared with a conventional examp...
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JP4935427B2 |
A magnetic data processing device sequentially receives magnetic data samples each of which is three-dimensional vector data represented by a linear combination of fundamental vectors and which are outputted from a three-dimensional magn...
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JP4929445B2 |
System and method for measuring force-dependent gyroscopic sensitivity. A force-effect model of the effects of acceleration on the output of a gyro triad is determined. Rotation sequences are then devised to permit excitation and observa...
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JP4919142B2 |
A magnetic compass includes: a three-axis magnetic sensor for detecting geomagnetic vector as geomagnetic components in directions of three orthogonal axes x, y, and z; a data-plane calculating unit for calculating a data plane on which ...
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JP4917894B2 |
A magnetic field sensor device (2) is described that comprises an oscillatory member (8) and current control means (6). The current control means (6) is arranged to pass an alternating current (AC) along at least first (10) and second (1...
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JP4915996B2 |
A sensor module maintaining high detection accuracy. Correction data of a detected magnetic field is updated only in a case that a fluctuation band acquired from an output signal of an acceleration sensor is less than a threshold value a...
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JP4908637B2 |
It is possible to rapidly or highly accurately estimate a highly reliable offset according to situations and improve further the reliability of the estimated offset even if a measurement data is not obtained in a space in which the magni...
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JP2012058257A |
To estimate a highly reliable offset speedily with high precision according to a situation even when a measurement data group is not acquired in a space in which vector physical quantities to be measured are uniform in value, and to furt...
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JP4899506B2 |
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JP4900348B2 |
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JP4900030B2 |
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JP2012506548A |
A method for determining a null drift (Hx0, Hy0) of an electronic compass includes steps for ascertaining first magnetic field strengths in a first coordinate system of the electronic compass via a triaxial magnetic sensor; for calculati...
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