Abstract: To provide a radio-controlled apparatus in which a user can foresee a waiting time of the radio controlled time correction and a radio-controlled timepiece having the apparatus. The radio-controlled apparatus of the radio-controlled timepiece comprises a radio-controlled mechanism for correcting time of the timepiece main body according to the time information included in the standard time radio wave JJY and a display mechanism for displaying a progress state of the radio-controlled time correction by the radio-controlled mechanism.

Abstract: To provide a radio-controlled timepiece capable of directing a standard time radio wave receiving antenna toward the suitable direction to a station easily and surely. The radio-controlled timepiece is to receive a standard time radio wave including time information in a standard time radio wave receiving unit and correct the time display based on the time information of the standard time radio wave received by the above receiving unit, and it includes a position calculating unit for detecting the direction of the station transmitting the standard time radio wave, based on a standard time radio wave signal received by the standard time radio wave receiving unit.

Abstract: An electronic timepiece has a thermoelectric element for generating an electromotive force in response to a temperature difference thereacross. A booster circuit boosts the electromotive force generated by the thermoelectric element. A storage mechanism stores electrical power utilizing the electromotive force boosted by the booster circuit. A power monitoring circuit monitors the electromotive force boosted by the booster circuit to detect whether the boosted electromotive force is lower than a threshold value. An oscillation circuit is driven by electrical power stored in the storage mechanism. A dividing circuit frequency-divides a signal output by the oscillation circuit. A display mechanism is driven by a display driving circuit to display time in accordance with an output signal from the dividing circuit. A display drive controlling circuit stops operation of the display driving circuit when the power monitoring circuit detects that the boosted electromotive force is lower than the threshold value.

Abstract: A center wheel & pinion of a wheel train is formed so that high load is applied to the wheel train when a minute hand stands at twelve o'clock. A pulse control circuit outputs a normal driving pulse. When a motor does not rotate by the normal driving pulse, the pulse control circuit outputs a first auxiliary driving pulse. Further, when the motor does not rotate by the first auxiliary driving pulse, the pulse control circuit outputs a second auxiliary driving pulse. The motor 6 normally rotates by the normal driving pulse or the first auxiliary driving pulse or rotates by the second auxiliary driving pulse when the high load is applied to the wheel train, i.e., when the minute hand stands at twelve o'clock. A pointer position detecting circuit judges that the minute hand stands at twelve o'clock when it receives the P3 output signal from the pulse control circuit, i.e., when the second auxiliary driving pulse is outputted from the pulse control circuit.