NAVIGATION INFORMATION TRANSMISSION APPARATUS AND NAVIGATION INFORMATION DISCRIMINATION APPARATUS

PROBLEM TO BE SOLVED: To provide a navigation information transmission apparatus for transmitting information related to navigation of a mobile body through a radio transmission path of a navigation monitoring automatic broadcasting system, and to provide a navigation information discrimination appa...

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Bibliographische Detailangaben
Hauptverfasser:	ITAGAKI TAKAHIRO, TAKAHASHI TATSUYUKI, FUJIMOTO TAKUJI, SAKAKIMOTO YOSHIO, HAGA MASANORI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MULTIPLEX COMMUNICATION PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SIGNALLING TESTING TRAFFIC CONTROL SYSTEMS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a navigation information transmission apparatus for transmitting information related to navigation of a mobile body through a radio transmission path of a navigation monitoring automatic broadcasting system, and to provide a navigation information discrimination apparatus for assessing authenticity of transmission information transmitted by radio via the navigation monitoring automatic broadcasting system or authenticity of a transmitting end of the transmission information, thereby providing highly accurate assessment of authenticity of radio stations and transmission information without sacrificing compatibility with original specifications and configurations.SOLUTION: A navigation information transmission apparatus transmits information related to navigation of a mobile body through a radio transmission path of a navigation monitoring automatic broadcasting system, and includes redundant transmission means for encrypting the whole or part of the information or a reference used for assessing authenticity of the information and transmitting the same through a specific channel of the radio transmission path. 【課題】本発明は、移動体の航行にかかわる情報を航行監視自動放送システムの無線伝送路に送信する航行情報送信装置と、航行監視自動放送システムを介して無線伝送された伝送情報、またはその伝送情報の送信端の真偽を判別する航行情報判別装置とに関し、本来的な仕様および構成に対する適合性が損なわれることなく、無線局や伝送情報の真偽の判別が確度高く達成されることを目的とする。【解決手段】移動体の航行にかかわる情報を航行監視自動放送システムの無線伝送路に送信する航行情報送信装置であって、前記情報の全てもしくは一部の写し、または前記情報の真偽の判別に供される基準を暗号化し、前記無線伝送路の特定のチャネルを介して送信する冗長送信手段を備える。【選択図】図１