U.S. patents available from 1976 to present.
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System and method for interconnecting local area networks

Patent 5214646 Issued on May 25, 1993. Estimated Expiration Date: Icon_subject November 13, 2011. 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

Routing architecture for a multi-ring local area network
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Issued on: 11/04/1986
Inventor: Sy

Method and apparatus for interfacing to a local area network
Patent #: 4809265
Issued on: 02/28/1989
Inventor: Hart ,   et al.

System and method for bridging local area networks using concurrent broadband channels
Patent #: 4897841
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Inventor: Gang, Jr.

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Patent #: 4975906
Issued on: 12/04/1990
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Bridge communication system
Patent #: 5060228
Issued on: 10/22/1991
Inventor: Tsutsui, et al.

Communication network system having a plurality of different protocal LAN's
Patent #: 5086426
Issued on: 02/04/1992
Inventor: Tsukakoshi, et al.

Routing system to interconnect local area networks
Patent #: 5088090
Issued on: 02/11/1992
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High-speed mesh connected local area network Patent #: 5088091
Issued on: 02/11/1992
Inventor: Schroeder, et al.

Inventor

Application

No. 791442 filed on 11/13/1991

US Classes:

370/402Bridge between bus systems

Examiners

Primary: Olms, Douglas W.
Assistant: Ton, Dang

International Class

H04J 003/24

Abstract

A transmission system transmits data among interconnected local area networks using a bridge coupled between local area networks which senses whether the data originating node transmitted the data using transparent routing or source routing. The bridges provide interconnection at the MAC-layer and based upon information contained in the MAC-layer header, automatically perform either transparent routing or source routing, depending upon the type of routing used by the data originating node. In addition, the bridge provides source routing over multiple wide area channels to those nodes which use source routing.

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