Positioning apparatus, electronic timepiece, positioning control method and recording medium
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United States of America Patent
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Jun 11, 2019
Grant Date -
Mar 15, 2018
app pub date -
Jul 26, 2017
filing date -
Sep 15, 2016
priority date (Note) -
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Abstract
A positioning apparatus includes the following. A first oscillator outputs a clock signal. A second oscillator outputs a clock signal which is more accurate than the first oscillator. A receiver receives a radio wave from a positioning satellite. A positioning controller calculates a present position based on positioning information calculated from the received radio wave. The positioning controller controls switching of a supply source of the clock signal supplied to the receiver and the positioning controller between the first oscillator and the second oscillator depending on a reception status of the radio wave from the positioning satellite by the receiver.
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