LOCAL TIME SETTING ACQUISITION DEVICE, ELECTRONIC CLOCK, LOCAL TIME SETTING ACQUISITION METHOD, AND PROGRAM

PROBLEM TO BE SOLVED: To provide a local time setting acquisition device capable of acquiring local time information in more appropriate timing while suppressing excessive load or power consumption, an electronic clock, a local time setting acquisition method and a program.SOLUTION: A local time set...

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1. Verfasser: MATSUE TSUYOSHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a local time setting acquisition device capable of acquiring local time information in more appropriate timing while suppressing excessive load or power consumption, an electronic clock, a local time setting acquisition method and a program.SOLUTION: A local time setting acquisition device comprises: a positional information acquisition part for acquiring information relating to a present position; a storage part for storing local time setting in each of regions obtained by separating each location of the world for each predetermined range; and a control part. The control part acquires the present position based on the information relating to the present position, acquires local time setting in a region including the acquired present position from the storage part, defines the present position as a reference position based on information stored in the storage part, acquires a reference lower limit distance equal to or shorter than a shortest distance between the reference position and a setting boundary of a region to which the acquired local time setting is applied, and stops newly acquiring the local time setting until a predetermined distance of movement from the reference position becomes equal to or longer than the reference lower limit distance.SELECTED DRAWING: Figure 5 【課題】過大な負荷や電力消費を抑えつつ、より適切なタイミングで地方時情報を取得可能な地方時設定取得装置、電子時計、地方時設定取得方法及びプログラムを提供する。【解決手段】地方時設定取得装置は、現在位置に係る情報を取得する位置情報取得部と、世界各地を所定範囲ごとに区切った各領域における地方時設定を記憶する記憶部と、制御部と、を備え、制御部は、現在位置に係る情報に基づいて現在位置を取得し、取得された現在位置が含まれる領域の地方時設定を記憶部から取得し、記憶部に記憶された情報に基づき、現在位置を基準位置として、この基準位置と、取得された地方時設定が適用される地域の設定境界との最短距離以下の基準下限距離を取得し、基準位置からの所定の移動距離が基準下限距離以上となるまで、新たに地方時設定の取得を行わないことを特徴とする。【選択図】図5