Communication adapter and network system using the communication adapter
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United States of America Patent
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-
May 3, 2005
Grant Date -
Aug 28, 2003
app pub date -
Feb 24, 2003
filing date -
Feb 26, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A communication adapter includes a cable communication signal processing circuit which enables a PDA to have access to a communication network via a cable and a radio communication signal processing circuit which enables a PDA to have access to a communication network via radio waves. The cable communication signal processing circuit and the radio communication signal processing circuit are provided in a single case or on a single board. The cable communication signal processing circuit and the radio communication signal processing circuit operate simultaneously. By attaching the communication adapter to a PDA, the PDA can have access to the communication network via the cable and to make an access to the communication network via the radio waves. Further, the PDA is capable of communicating with the network via the cable and via the radio waves simultaneously.
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