Cellular telephone with programmable authorized telephone number
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United States of America Patent
Stats
-
Jun 28, 2005
Grant Date -
Jul 25, 2002
app pub date -
Jan 22, 2001
filing date -
Jan 22, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cellular telephone having restricted dialing authority and a simplified keypad. The keypad includes a plurality of preprogrammed hot keys. Incoming telephone calls from authorized telephone numbers are answerable and incoming telephone calls from other numbers do not ring. The authorized telephone numbers are programmable. In one embodiment, predetermined encoded messages can be transmitted silently.
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Family
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Cited Art Landscape
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