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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Electronic article surveillance ： ウィキペディア英語版 Electronic article surveillance Electronic article surveillance (EAS) is a technological method for preventing shoplifting from retail stores, pilferage of books from libraries or removal of properties from office buildings. Special tags are fixed to merchandise or books. These tags are removed or deactivated by the clerks when the item is properly bought or checked out. At the exits of the store, a detection system sounds an alarm or otherwise alerts the staff when it senses active tags. Some stores also have detection systems at the entrance to the restrooms that sound an alarm if someone tries to take unpaid merchandise with them into the restroom. For high-value goods that are to be manipulated by the patrons, wired alarm clips called spider wrap may be used instead of tags. ==Types== There are several major types of electronic article surveillance systems: *Magnetic, also known as magneto-harmonic *Acousto-magnetic, also known as magnetostrictive *Radio frequency *Microwave *Video surveillance systems (to some extent) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Electronic article surveillance」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.