Telecommunications – Radiotelephone system – Usage measurement
Patent
1997-07-18
1999-10-05
Eisenzopf, Reinhard J.
Telecommunications
Radiotelephone system
Usage measurement
455408, 455406, 379144, H04M 1700, H04M 1500, H04Q 720
Patent
active
059638591
ABSTRACT:
A wireless communication device is provided which is capable of interfacing with a base station of a service provider and intended for occasional use without requiring a subscription with the service provider. The device uses a non-rechargeable replaceable power source with memory means non-detachably secured to and integral with said power source comprising information code for uniquely identifying said power means and a prepaid calling time period. After the prepaid calling time period of the wireless communication device is exhausted, the power source can be exchanged for a different power source having a new prepaid calling time period.
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Eisenzopf Reinhard J.
Gaiman Barry
Orgad Edan
Polaroid Corporation
Stutius Wolfgang
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