Interface for ISDN channels

Details Interface for ISDN channels Interface for ISDN channels

1990-12-06

1992-05-12

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

3701101, 379 93, 379100, 358442, H04J 312, H04M 1100

Patent

active

051133962

ABSTRACT:
A line interface for ISDN channels converts an analog signed from an analog communication terminal to digital data and sends the converted digital data to a B-channel of ISDN. The digital data from the B-channel of ISDN is converted to an analog signal and the converted analog signal is then sent to the analog communication terminal.

REFERENCES:
patent: 4007334 (1977-02-01), McDonald
patent: 4232293 (1980-11-01), Harris
patent: 4746986 (1988-05-01), Tanigawa
patent: 4769833 (1988-09-01), Farleigh et al.
patent: 4922484 (1990-05-01), Yoshida et al.
patent: 4961185 (1990-10-01), Sawada
Nguyen, "CMOS-Technologic fur die Telekommunikation", Nachrichten Elektronik & Telematic, vol. 39, No. 3, Mar., 1985.
Hadi, "Technology Evolution Towards Digital Customer Access", Mini-Micro Conference Record, Session 6/1, May, 1984, pp. 1-4.
Intl Pub. No.WO 81/03728, Dec. 24, 1981, Apfel Subscriber Line Audio Processing Circuit Apparatus.

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