Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1994-10-07
1997-02-18
Kuntz, Curtis
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379357, H04Q 732
Patent
active
056047878
ABSTRACT:
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) is to maintain the transferred identity. For that duration of time, the subscriber unit (209, 300) is enabled with the subscriber's identity, and the smart card is essentially "dumb," and therefore unusable until that duration has elapsed.
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Bonta Jeffrey D.
Kotzin Michael D.
Chernoff Michael B.
Kuntz Curtis
Motorola Inc.
Sonnentag Richard A.
Vaas Randall S.
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