To provide a positional information providing device and a positional information providing system, which transmit positional information by a radio wave having high directivity in comparison with the case of transmitting the radio wave whose arrival angle exceeding a range of plus/minus 15 degrees to a direct advance direction.SOLUTION: Disclosed is a positional information providing system 60 which includes: a positional information providing device 10 having a transmission part 14 for transmitting a radio wave whose arrival angle is within a range of plus/minus 15 degrees to a direct advance direction and providing positional information based on information transmitted from the transmission part 14; and a terminal device 40 for notifying of the positional information which received the radio wave from the transmission part 14.SELECTED DRAWING: Figure 2
【課題】到達角度が直進方向に対して±15度の範囲を超える電波を送信する場合に比べて、指向性の高い電波により位置情報を送信する位置情報提供装置及び位置情報提供システムを提供する。【解決手段】到達角度が直進方向に対して±15度の範囲以内である電波を送信する送信部14を有し、送信部14から送信された情報に基づいて位置情報を提供する位置情報提供装置10及び、送信部14からの電波を受信した位置情報を通知する端末装置40と、を有する位置情報提供システム60である。【選択図】図2
POSITIONAL INFORMATION PROVIDING DEVICE AND POSITIONAL INFORMATION PROVIDING SYSTEM
位置情報提供装置及び位置情報提供システム
2019-01-10
Patent
Electronic Resource
Japanese
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