Radio clock
AssigneeSeiko Clock Inc.
InventorsMiyuki Imamura, Motohiro Tako, Takayuki Kanaizumi
Life of this patent
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Abstract
A radio clock including: an antenna configured to receive a satellite signal transmitted from GPS satellite; a receiving unit configured to perform a receiving process to acquire information contained in the satellite signal received by the antenna within a predetermine upper limit period; and a control unit configured to change the number of receiving processes to be performed in a predetermined period and change the upper limit period in accordance with a total sum of durations of the receiving processes performed in the predetermined period.
Claims5
A. radio clock comprising:
- an antenna configured to receive a satellite signal transmitted from a GPS satellite;
- a receiving unit configured to perform a receiving process to acquire information contained in the satellite signal received by the antenna within a predetermined upper limit period;
- and
- a control unit configured to change the number of receiving processes to be performed in a predetermined period and change the upper limit period in accordance with a total sum of durations of the receiving processes performed in the predetermined period.
The radio clock of claim. 1, wherein, when the receiving unit is yet to acquire the information after the upper limit period has passed, the control unit sets a new upper limit period by adding a predetermined period to the upper limit period.
Dependencies are inferred from the claim text.