| 摘要 |
PURPOSE: A self generation electricity type text message-only terminal and an operating method thereof are provided to transmit a text message by obtaining electricity by using a motion necessarily performed for inputting the text message without an extra external power device or a changeable battery. CONSTITUTION: An electricity obtaining unit(300) obtains electricity by a charge generated in a piezoelectric element to store the same. A communication unit(500) receives the electricity stored in the electricity obtaining unit. The communication unit transmits inputted data to a wireless network. A control unit(400) supplies the electricity to an input unit, a communication unit, and a display unit. The control unit performs the signal processing of the inputted data. The control unit delivers the processed signal to the communication unit. [Reference numerals] (100) Input unit; (200) Piezoelectric device; (300) Electricity obtaining unit; (310) Energy conversion module; (320) Transformer circuit module; (330) Electricity storage module; (400) Control unit; (500) Communication unit; (600) Display unit
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