U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Universal access multimedia data network

Patent 5790548 Issued on August 4, 1998. Estimated Expiration Date: Icon_subject April 18, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

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Inventor: Perkins

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Patent #: 5406557
Issued on: 04/11/1995
Inventor: Baudoin

Multiple protocol routing
Patent #: 5430727
Issued on: 07/04/1995
Inventor: Callon

Network hub with integrated bridge
Patent #: 5432907
Issued on: 07/11/1995
Inventor: Picazo, Jr., et al.

General transport layer gateway for heterogeneous networks
Patent #: 5491693
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Inventors

Assignee

Application

No. 634544 filed on 04/18/1996

US Classes:

370/401Bridge or gateway between networks

Examiners

Primary: Olms, Douglas W.
Assistant: Patel, Ajit

Attorney, Agent or Firm

International Class

H04L 012/66

Abstract

A system and method for providing Internet access via a Public Switched Telecommunications Network (PSTN) using full time asymmetric digital subscriber line connections between subscriber premises processor terminals and a local area network (LAN) node and router gateway on Telco premises connected to a Telco digital packet network connected to Internet service providers and Internet information providers. A domain name server (DNS) and a dynamic host configuration protocol (DHCP) server are connected to the router to provide domain name to IP address translations and temporary assignment of IP addresses to said customer premises processor terminal. The customer or subscriber going on-line communicates with the DHCP using encryption and preferably public/private key encryption to both authenticate the customer and the DHCP. The DHCP updates the database in the DNS to maintain freshness. The digital packets in the network use several protocols with a TCP/IP payload encapsulated therein without the need for translation or conversion.

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