Radio-controlled wristwatch
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United States of America Patent
Stats
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Apr 12, 2016
Grant Date -
Aug 14, 2014
app pub date -
Aug 1, 2012
filing date -
Aug 11, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a radio-controlled wristwatch, including: reception means (11) for receiving a radio wave from a satellite to extract time-of-week specifying information and week specifying information; clock means for counting a current date and time; date and time adjustment means for adjusting the current date and time counted by the clock means; week information holding means for holding the week specifying information; week information updating means for updating the week specifying information held in the week information holding means based on the current date and time counted by the clock means; and week information reception limiting means for limiting the reception of the week specifying information performed by the reception means, and controlling the reception means to receive the week specifying information in a predetermined case. Therefore, power consumption required for reception in the radio-controlled wristwatch configured to receive a radio wave containing time information from a satellite in a global positioning system is reduced.
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Family
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