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Calypso is an international electronic ticketing standard for microprocessor contactless smart cards, originally designed by a group of European transit operators from Belgium, Germany, France, Italy and Portugal. It ensures multi-sources of compatible products, and allows for interoperability between several transport operators in the same area. == History == Calypso was born in 1993 from a partnership between the Paris transit operator RATP and ''Innovatron'', a company owned by the French smartcard inventor, Roland Moreno. The key features of the scheme were patented by ''Innovatron''. Most European transit operators from Belgium, Germany, France, Italy and Portugal eventually joined the group in the following years. The first use of the technology was in 1996. In the same time, the international standard ISO/IEC 14443 for contactless smart cards was being designed, and the actors of Calypso strongly lobbied to have their technology included in the standard, but Innovatron's patents—and the price of the related royalties—were not compliant with ISO's policy. Therefore, despite their closeness, there are few significant differences between Calypso's historical contactless protocol and ISO/IEC 14443 Type B international standard. The European standard for ticketing data (EN1545) has also been contributed by the actors of Calypso. After a few years of trials, the system has been generalised in the early 2000s in major European cities such as Strasbourg, Paris, Venice, Lisbon, later followed by Milan, Porto, Marseille, Lyon, Turin, and many smaller cities. Calypso is extended now in other countries such as Belgium, Israel, Canada, Mexico, Colombia, etc. 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「Calypso (electronic ticketing system)」の詳細全文を読む スポンサード リンク
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