ELECTRONIC TIMEPIECE

An electronic timepiece includes a mode setter that sets an azimuth mode in which the azimuth is measured and displayed, at least one indicating hand that operates when the azimuth mode is set, markings at which the indicating hand points, a stepper motor including a rotor, a wheel train that moves...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	NOZAWA, Toshiyuki
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTROMECHANICAL CLOCKS OR WATCHES ELECTRONIC TIME-PIECES GYROSCOPIC INSTRUMENTS HOROLOGY MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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Beschreibung
Zusammenfassung:	An electronic timepiece includes a mode setter that sets an azimuth mode in which the azimuth is measured and displayed, at least one indicating hand that operates when the azimuth mode is set, markings at which the indicating hand points, a stepper motor including a rotor, a wheel train that moves the indicating hand in synchronization with the rotor, a magnetism sensor, and an azimuth measurer that measures magnetism with the magnetism sensor when the azimuth mode is set and acquires the azimuth based on the measured magnetism information. The reduction ratio of the wheel train is so set that the indicating hand moves by the distance corresponding to one marking when the rotor makes N turns, where N is an integer greater than or equal to 1, and the azimuth measurer measures the magnetism during the period for which the indicating hand stationarily points at any of the markings.