| 摘要 |
In a rotary type electronic device of the present invention, a second body stores a magnet having the N pole and the S pole. A first body stores an N pole magnetic field sensor and an S pole magnetic field sensor. The magnet is arranged to be in an attitude such that the magnetizing direction axis tilts relative to the second hinge shaft. The S pole magnetic field sensor is arranged at a position on an extended line from the magnetizing direction axis of the magnet where it receives the magnetic field from the S pole, in one of a plurality of states. The N pole magnetic field sensor is arranged at a position on the extended line from the magnetizing direction axis of the magnet where it receives the magnetic field from the N pole, in another one of the states.
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