Patent ID: 9229434
Filing Date: 2016-01-05
CPC Classification: G04R

Claim Text:
1. A radio-controlled timepiece comprising: a receiving unit which receives a transmitting radio wave including date/time information from a positioning satellite; a date/time information obtaining unit which obtains a week number and elapsed time within a week as the date/time information from the received transmitting radio wave; an operating unit which receives operation from a user; a term obtaining unit which obtains a value of a 10 year digit of a present date and time according to input operation through the operating unit; a first term setting unit which sets a first date/time specified range including 10 years corresponding to the obtained value of the 10 year digit and a term adjacent to the 10 years with a predetermined length, the first date/time specified range set to a length equal to or shorter than one lap of the week number; a first date/time calculating unit which calculates the present date and time within the set first date/time specified range according to the week number and the elapsed time within the week; a timekeeping unit which counts date and time; and a date/time correcting unit which corrects the date and time of the timekeeping unit based on the present date and time calculated by the first date/time calculating unit; and wherein the term obtaining unit only obtains the 10 year digit of a present date.