Patent ID: 7042808

Claim:
A radio-corrected timepiece comprising: a reception means for receiving radio wave containing a 1st marker showing an exact minute position, plural 2nd markers showing predetermined positions in a frame and a time instant information; a clock means for clocking a time instant; a display means for displaying a clocked time instant of the clock means; and a control means for controlling a supply of a power source to the reception means to thereby control the reception means to its operation state or non-operation state, wherein the control means controls such that in a case where, after the power source has been supplied to the reception means and it has been made into the operation state, a marker initially received by the reception means is the 2nd marker, an operation in which, after the reception means has been made into the non-operation state by interrupting the power source supply to the reception means, the power source is supplied again to the reception means after a predetermined time to thereby make it into the operation state is repeated till the 1st marker is received, and in a case where the 1st marker has been received by the reception means, a reception operation of the reception means is continued to thereby obtain the time instant information and the displayed time instant of the clock means is corrected to the obtained time instant.