Dual-mode mobile telephone terminal
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United States of America Patent
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Jun 17, 2003
Grant Date -
N/A
app pub date -
Nov 3, 1998
filing date -
Mar 4, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable-type dual-mode mobile telephone terminal apparatus including a satellite wireless communication controller 2 for performing satellite communications via a communications satellite and a cellular wireless communication controller 8 for performing cellular communications via a ground station, and interfacing means 21 for making interfacing between the satellite wireless communication controller 2 and the LCD/keypad junction unit 14 of the cellular wireless communication controller 8. The interfacing means 21 performs software interfacing under the control of a program while address decoders and input and output ports perform electrical interfacing.
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