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Application filed by Jeng-Ming ChenfiledCriticalJeng-Ming Chen
Priority to TW093139919ApriorityCriticalpatent/TW200623800A/en
Publication of TW200623800ApublicationCriticalpatent/TW200623800A/en
The present invention relates to a mobile phone, comprising a mobile phone body accommodating various components of the mobile phone, a pressure vessel disposed inside the mobile phone body, which pressure vessel has an opening, and a switching device for opening or closing the opening of the pressure vessel. When the switch device is set at a second position, the opening of the pressure vessel opens. When the switch device is set at a first position, the opening of the pressure vessel is closed. The switch device is normally set at the first position.