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Adapter-unit-for-connecting-a-mobile-computer-to-a-network-and-for-simulating-the-presence-of-the-mobile-computer-when-the-mobile-computer-is-not-present

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Adapter unit for connecting a mobile computer to a network and for simulating the presence of the mobile computer when the mobile computer is not present

Details

Inventors: Ezzet, Ali S.; Bassett, Carol E.; Brown, Mark L.; Thompson, Mark A.; Archuleta, Richard M.;
Assignee: Hewlett-Packard Company (Palo Alto, CA)
Primary Examiner: Shin; Christopher B.
Assistant Examiner:
Attorney, Agent or Firm:

An adapter system for coupling a mobile computer to a computer network is disclosed. When the mobile computer is not connected to the computer network, the invention stores network messages intended for the mobile computer. When the mobile computer is reconnected to the computer network, the adapter system sends the messages received in its absence to the mobile unit in the order the messages were received.

DETAILED DESCRIPTION The present invention comprises an adapter unit for connecting a mobile computer to a computer network.
The adapter unit is connected to the network and has an interface which allows connection to the mobile computer when the computer is present at the network site.
This interface also includes circuitry for detecting the presence of the mobile unit.
The adapter unit includes a FIFO buffer for storing network messages directed to the mobile computer when the mobile computer is not connected to the network.
When the adapter detects the presence of a mobile unit connected thereto, it plays back the messages stored therein to the mobile unit in the order in which the messages were received.

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