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US 2001/0026583 A1Published application
Communication device
AssigneeNEC Corporation
InventorHirotaka Wada
Life of this patent
Estimating the term…
Abstract
Disclosed is a communication device which has: a cut-off frequency switching means for switching a cut-off frequency for communication data at a communication line; and confirming means for confirming whether or not a communication partner has the cut-off frequency switching means, in advance of sending and receiving of communication data. The confirming means is structured such that switching control of the cut-off frequency switching means is carried out in accordance with results of confirmation.
Claims6
A communication device comprising:
- cut-off frequency switching means for switching a cut-off frequency for communication data at a communication line.
Dependencies are inferred from the claim text.