Digital trunk adapter terminal unit
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United States of America Patent
Stats
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Aug 4, 1987
Grant Date -
N/A
app pub date -
Jun 12, 1985
filing date -
Jun 12, 1984
priority date (Note) -
Expired
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Abstract
An adapter terminal unit is designed to connect to the time-division switching center of which it forms part at least one digital trunk to a standard different to that normally applicable to the digital trunks associated with the switching center. Each adapter terminal unit, equipped with a microprocessor-based control circuit, is connected by a switching matrix to the input/output lines of the switching center's switching matrix. It further comprises a data and signaling transfer device connected to the switching matrix and to a transmitter device and to a receiver device, one at the end of a transmit multiplex link and the other at the end of a receive multiplex link of the digital trunk. In this way the standard changes necessary for exchanges between the digital trunk and the switching center are effected.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Coppens, Christian | Velizy, FR | 3 | 25 |
Perron, Gilbert | Plaisir, FR | 1 | 7 |
Pouillard, Jean | Villeneuve Saint Georges, FR | 1 | 7 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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