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NAOSITE : Nagasaki University's Academic Output SITE > 020 経済学部・経済学研究科 > 020 紀要 > 經營と經濟 > 第95巻 第3-4号 >

通信の秘密不可侵の法規範との関係における通信用端末設備の法的位置づけ及びその内包する情報に対する保護のあり方-米国の「逮捕に伴う捜索」に関する判例法理を手がかりとして-


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タイトル: 通信の秘密不可侵の法規範との関係における通信用端末設備の法的位置づけ及びその内包する情報に対する保護のあり方-米国の「逮捕に伴う捜索」に関する判例法理を手がかりとして-
その他のタイトル: Legal Status of Communications Terminal Devices and Permissibility of Official Access to Information through Them in Terms of Secrecy of Communications under the Constitution of Japan: With Reference to the U.S. Court's "Search-incident-to-arrest" Doctrines
著者: 海野, 敦史
著者(別表記) : Umino, Atsushi
発行日: 2016年 3月25日
出版者: 長崎大学経済学会 / Economics Society of Nagasaki University
引用: 経営と経済, 95(3-4), pp.173-219; 2016
抄録: This paper clarifies the extent of government's authorized access to information on cell phones and similar communications terminal devices under Paragraph 2,Article 21 of the Constitution of Japan, which protects the “secrecy of any means of communication.” This paper considers the U.S. standard that was established by the 2014 decision, Riley v. California. In this case, it was decided that the police must obtain a search warrant before they access the digital data on a cell phone seized from a person who has been arrested. The U.S. Court decided that it would be unreasonable to allow a search without a warrant, since the amount and variety of information on a cell phone often are enough that the police are able to reconstruct much of the suspect's private life. The U.S. Court also held that the extent of a warrantless “search incident to an arrest” is limited in the sense that it is allowed to find hidden weapons or prevent the destruction of evidence, and that this doctrine does not allow warrantless searches of cell phone data after an arrest. However, it does not fully explain the difference in the relevance to privacy between data on communications terminal devices and those on other devices or commodities. In Japan, Constitutional rights for secrecy of communications do not, in principle allow the police to implement a warrantless “search incident to arrest” to the content of communications terminal devices including a cell phone or any other communications facilities, regardless of its relevancy to privacy. This norm strongly protects communications users by preventing the police or other governmental agencies from having voluntary access to the communications terminal devices and data on them. It is thus concluded that the secrecy of communications plays an important role to distinguish data on communications terminal devices from those on other devices in terms of the extent of Constitutional protection.
記述: 長崎大学経済学部創立110周年記念論文集 / Essays in Commemoration of the 110th Anniversary of the Faculty of Economics, Nagasaki University
キーワード: Constitution of Japan / secrecy of any means of communication / terminal devices / cell-phone handset / Fourth Amendment / Riley v. California / search-incident-to-arrest / 日本国憲法 / 通信の秘密 / 端末設備 / 携帯電話端末 / 修正4条 / ライリー事件判決 / 逮捕に伴う捜索
URI: http://hdl.handle.net/10069/36327
ISSN: 02869101
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第95巻 第3-4号

引用URI : http://hdl.handle.net/10069/36327

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