Electronic timepiece

An electronic timepiece is provided that executes navigation to a destination site. The timepiece includes a display unit, a magnetic sensor, a reception unit that receives time information indicating a time from a GPS satellite, a storage unit that stores orbit information indicating an orbit of th...

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Bibliographische Detailangaben
1. Verfasser:	Nozawa, Toshiyuki
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRONIC TIME-PIECES GYROSCOPIC INSTRUMENTS HOROLOGY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION RADIO-CONTROLLED TIME-PIECES SURVEYING TESTING
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Beschreibung
Zusammenfassung:	An electronic timepiece is provided that executes navigation to a destination site. The timepiece includes a display unit, a magnetic sensor, a reception unit that receives time information indicating a time from a GPS satellite, a storage unit that stores orbit information indicating an orbit of the GPS satellite, and a control unit that generates positional information indicating a position of the electronic timepiece using the time information received by the reception unit and the orbit information stored in the storage unit and executes the navigation using the display unit based on the positional information, an output of the magnetic sensor, and destination site information indicating a position of the destination site. When the orbit information is stored in the storage unit and then a first predetermined time equal to or less than a valid period of the orbit information elapses, the control unit updates the orbit information stored in the storage unit.