Metered payment cellular telephone communication system
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United States of America Patent
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-
Sep 22, 1998
Grant Date -
N/A
app pub date -
Dec 22, 1995
filing date -
Dec 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention overcomes the disadvantages of the prior art by providing a cellular telephone metering systems that allows phone calls to be made as long as sufficient funds or call units reside in the phone. The apparatus of this invention also utilize encryption and employ seed numbers for the addition of funds or call units to the cellular phone.
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Family
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