To provide a device capable of achieving radio communication underwater.SOLUTION: An underwater radio communication device includes a host device 1 and an underwater device 2 that transmit and receive radio waves. The underwater device 2 includes: a transmission signal generation unit 5 that selectively generates a first transmission signal or a second transmission signal; a first underwater antenna 7 that generates a radio wave having a frequency within a first frequency band from the first transmission signal; and a second underwater antenna 8 that generates a radio wave having a frequency within a second frequency band higher than the first frequency band from the second transmission signal. The transmission signal generation unit 5 is configured to transmit the first transmission signal to the first underwater antenna 7 and the second transmission signal to the second underwater antenna 8.SELECTED DRAWING: Figure 1

    【課題】水中での無線通信を実現することができる装置を提供する。【解決手段】水中無線通信装置は、電波を送受信するホスト装置1および水中装置2を備える。水中装置2は、第1送信信号または第2送信信号を選択的に生成する送信信号生成部5と、第1周波数帯域内の周波数を持つ電波を第1送信信号から生成する第1水中アンテナ7と、第1周波数帯域よりも高い第2周波数帯域内の周波数を持つ電波を第2送信信号から生成する第2水中アンテナ8を備え、送信信号生成部5は、第1送信信号を第1水中アンテナ7に送信し、第2送信信号を第2水中アンテナ8に送信するように構成されている。【選択図】図1


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    Titel :

    UNDERWATER RADIO COMMUNICATION DEVICE


    Weitere Titelangaben:

    水中無線通信装置


    Beteiligte:
    NOMI MOTOHIKO (Autor:in)

    Erscheinungsdatum :

    2023-07-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H04B TRANSMISSION , Übertragung / B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen



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