A smart card (100) is equipped with an internal time-of-day clock and calendar (106). Between the smart card (100) and a subscriber unit (209, 300), into which it is inserted, there is a communication of the subscriber's identity and a negotiated agreement for how long the subscriber unit (209, 300)...http://www.google.es/patents/US5604787?utm_source=gb-gplus-sharePatente US5604787 - Method and apparatus for transferring information to a device in a communication system
Method and apparatus for transferring information to a device in a ...
