A SIM (Subscriber Identity Module) card stores all the subscriber-related information data for a terminal. This invention relates to a locating a SIM card (postage stamp type, module type or IC type) in a battery of the terminal as opposed to in a body of the terminal, in order to use space within the...http://www.google.fr/patents/US6179649?utm_source=gb-gplus-shareBrevet US6179649 - SIM card incorporated in battery pack of terminal