ISDN terminal adapter using digital signal processor

Details ISDN terminal adapter using digital signal processor ISDN terminal adapter using digital signal processor

1996-11-18

1999-07-27

Nguyen, Chau

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370449, 370465, 370524, H04Q 1104

Patent

active

059302607

ABSTRACT:
A terminal adapter for ISDN services is implemented using a digital signal processor rather that a general purpose microprocessor, and provides normal terminal adapter functionally while at the same time substantially reducing part count and increasing flexibility and reliability. The terminal adapter uses a pipelined operating system involving a series of hierarchical menus of subtasks to perform the various functions required for ISDN operability.

REFERENCES:
patent: 5305312 (1994-04-01), Fornek et al.
patent: 5455829 (1995-10-01), Klingberg
patent: 5495485 (1996-02-01), Hughes-Hartogs
patent: 5598401 (1997-01-01), Blackwell et al.
patent: 5638373 (1997-06-01), Takebayashi et al.
patent: 5708663 (1998-01-01), Wright et al.
ISDN Instruction Manual: MN128, pp. 1-78, Dated: Jan. 2, 1996. (This document is written in the Japanese language.).
Motorola User's Guide: BitSURFR Pro.TM. ISDN Modem Terminal Adapter, Published by Motorola on Jul. 1995, pp. i-xii, Chapter 1-12 including Appendix A-E.

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