| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic timepiece enabling reduction of necessary memory size for application to wrist watches as well, enhancing user-friendliness, and enabling exact time difference setting. <P>SOLUTION: The electronic timepiece is equipped with a GPS system acquiring time information and positional information by receiving satellite signals, a memory device memorizing domain data dividing geographic information containing time difference information into a plurality of domains and time difference information included in each domain, a time difference information acquiring means 22 extracting a domain, in which position information acquired from GPS system is contained, from the domain data to acquire time difference information included in the domain, a time difference information displaying means 23 displaying acquired time difference information as time difference candidates, a time difference information selecting means 24 selecting time difference information from the time difference candidates displayed on the displaying means on the basis of operation of the input device, a time calculating means 25 calculating the present time based on time difference information acquired through the GPS system and the selected time difference information, and a time display means 26 displaying the present time. <P>COPYRIGHT: (C)2009,JPO&INPIT |
