sentences:  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.