| 摘要 |
A method of controlling a handheld electronic device according to state thereof in a three-dimensional space, which is applicable to the handheld electronic device including a CPU, a displacement sensor, and a quadrant section lookup table. The displacement sensor detects variation of the state of the handheld electronic device in a three-dimensional space and generates a current state signal accordingly. The lookup table lists a plurality of quadrant sections of the three-dimensional space, wherein each quadrant section corresponds to a function program or control command. The CPU receives the current state signal and calculates a current space signal accordingly. After determining the quadrant section in the lookup table that corresponds to the current space signal, the CPU activates the function program or control command that corresponds to the quadrant section. Thus, a user can execute the desired function programs or control commands conveniently by moving the handheld electronic device single-handedly.
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