| 摘要 |
A gravity sensing input system, a gravity sensing input method and an electronic device thereof are proposed. The gravity sensing input system includes a gravity sensor, an input module, a processing module and an output module. The gravity sensor detects a gravitational acceleration of the electronic device tilted towards a direction. The input module includes a plurality of input interfaces, where each one of the input interfaces corresponds to a plurality of letters, and the input module receives an input signal through one of the input interfaces. The processing module calculates an inclined angle between the electronic device and a reference plane according to the gravitational acceleration, and determines which one of the letters is selected according to the inclined angle and the input interface corresponding to the received input signal. Additionally, the output module outputs the letter selected by the processing module.
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