Seiko Clock Inc.

Takayuki Kanaizumi

Miyuki Imamura

Motohiro Tako

A radio clock including: an antenna configured to receive a satellite signals transmitted from a plurality of GPS satellites; a receiving unit configured to perform a receiving process to acquire information tram a satellite signal received by the antenna, the information being contained in the satellite signal; and a control unit configured to control the receiving unit to keep synchronized with the GPS satellite that has transmitted the satellite signal and control the receiving unit to receive a satellite signal containing date information for date correction when the information acquired by the receiving unit does not contain the date information.

Radio clock

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.

Growing community of inventors

Tokyo, Japan

Takayuki Kanaizumi