Patent ID: 7616153

Claim:
An electronic device comprising: a reception unit that captures a positioning information satellite orbiting the Earth and receives a signal from the positioning information satellite; and a corrected time information display unit that generates time correction information based on the satellite signal received by the reception unit, corrects the displayed time information based on the time correction information, and displays the corrected time; wherein the reception unit includes an indoor/outdoor determination unit that comprises: a solar panel; a power generation detection data storage unit that detects power generation by the solar panel, and acquires and stores power generation detection data, and a power generation threshold value data storage unit that stores power generation threshold value data related to a power generation threshold value used by the reception unit for the indoor/outdoor determination; wherein the indoor/outdoor determination unit determines the environment of the electronic device based on the power generation detection data in the power generation detection data storage unit and the power generation threshold value data in the power generation threshold value data storage unit of the indoor/outdoor determination unit; and wherein the reception unit captures the positioning information satellite based on the indoor/outdoor determination unit.