| 摘要 |
PROBLEM TO BE SOLVED: To utilize a function for measuring an azimuth in a mobile terminal in combination with original functions of the mobile terminal. SOLUTION: A portable telephone set 1 includes a first case 2 and a second case 4. The second case 4 incorporates a five-axis sensor 5 for measuring the azimuth of the second case 4. When a telephone call or mail arrives, the portable telephone set 1 is capable of outputting different ring tones corresponding to the azimuth of the second case 4 or turning on an LED 36 in different patterns. In such a case, an X-axis, a Y-axis and a Z-axis are defined to the second case 4 in the portable telephone set 1, and the azimuth of the second case 4 is determined based on a rotating angle of any one of the X-axis, the Y-axis and the Z-axis in accordance with the inclination of a principal surface of the second case 4. COPYRIGHT: (C)2006,JPO&NCIPI
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