发明名称 PERSONAL DIGITAL ASSISTANT AND POWER SAVING CONTROL METHOD THEREOF
摘要 <P>PROBLEM TO BE SOLVED: To provide a personal digital assistant and its power saving control method, in which power supply to a display section is stopped only when power supply stop is allowed, and power consumption is reduced without requiring any special hardware. <P>SOLUTION: A personal digital assistant is equipped with: a task state control section 103 for holding a function for which it is possible to take a speech position and notifies a state of being executing the function; and a voice output destination control section 104 for detecting whether a current voice output destination is at least a receiver, a speaker or an external device. When the function likely to take the speech position at present is executed and the current voice output destination is the receiver, power supply to a display device 105 is stopped, while, in the other case, power supply is controlled not to be stopped. <P>COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2011172069(A) 申请公布日期 2011.09.01
申请号 JP20100034735 申请日期 2010.02.19
申请人 NEC CORP 发明人 SHIGEHASHI TAKAYUKI
分类号 H04M1/73 主分类号 H04M1/73
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