Mobile terminal device

一种移动终端、磁传感器的技术，应用在测量装置、天气状况预测、照相机等方向，能够解决去除动磁场成分、很难、无法求出磁场强度等问题

Active Publication Date: 2006-01-04
AMOSENSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of using a two-axis magnetic sensor, since the magnetic field strength cannot be obtained, it is difficult to effectively remove the dynamic magnetic field component from it

Method used

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Examples

Experimental program
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Embodiment Construction

[0025] figure 1 The configuration of the mobile terminal device 1 according to the embodiment of the present invention is shown.

[0026] Such a mobile terminal device 1 is a small mobile electronic device such as a mobile phone, a PHS (Personal Handyphone System), and a PDA (Personal Data Assistant). figure 1 Although a configuration is shown for realizing azimuth measurement and applications described later, those skilled in the art should understand that the mobile terminal device 1 may have other configurations depending on the application.

[0027] The mobile terminal device 1 includes a processing unit 10 , a detection unit 20 , an imaging unit 30 , a communication unit 32 , a GPS information acquisition unit 34 , and a display unit 36 ​​. The detecting unit 20 has a magnetic sensor 22 , an inclination sensor 24 , an air pressure sensor 26 , and a temperature sensor 28 , and has a function of detecting a position, an orientation, an attitude, an altitude, and the like. ...

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PUM

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Abstract

The mobile terminal has acceleration sensor as inclination sensor and finds its different applications based on the detection results. The treating part counts the step number of some people based on the low frequency acceleration component the inclination sensor for detecting the acceleration component detects. Meanwhile, the acceleration component of the axis of the three axes nearest to the gravitational axis is utilized. In addition, the display shows the visual points of the 3D object or 3D space. By means of effective utilization of the detection result of the inclination senor, the mobile terminal can realize wide use.

Description

technical field [0001] The present invention relates to mobile terminal devices such as mobile phones, and in particular to mobile terminal devices with a positioning function. technical background [0002] In recent years, the development of mobile terminal devices having a direction measurement function has been progressing. Among them, a magnetic sensor is used to measure the orientation. Such a mobile terminal device displays the current position and the like on a map on the screen based on the measured azimuth based on GPS (Global Positioning System) position information. [0003] Magnetic sensors can detect not only natural magnetic fields but also dynamic magnetic fields generated by electrical equipment inside or around mobile terminal devices. Therefore, in order to extract only natural magnetic field components, it is necessary to eliminate dynamic magnetic field components from detected magnetic components. In the case of using a two-axis magnetic sensor, since...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C17/28
CPCG01C22/006G01C21/20G01C17/28G01W1/10G03B2217/005
Inventor 田村泰弘
Owner AMOSENSE
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