Communication terminal apparatus of determining a communication speed for line condition

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United States of America Patent

PATENT NO 6574012
SERIAL NO

09301134

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A communication terminal apparatus capable of making a communication with a particular communication destination with optimal settings in accordance with the quality of a line connected thereto. A combination of limited symbol rates is stored corresponding to each of a plurality of destination telephone numbers. When a destination telephone number is specified upon initiating a call, a corresponding combination of limited symbol rates are notified to a reception side apparatus connected to the communication terminal apparatus through a line in response to an initiated call, as information identifying a combination of symbol rates available to the communication terminal apparatus, when the specified destination telephone number is limited in symbol rate.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO 143-8555

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kagawa, Tetsuya Ebina, JP 50 452

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