The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 1997
Filed:
Nov. 22, 1994
Applicant:
Inventor:
Clarence Chulljoon Joh, Allentown, PA (US);
Assignee:
Lucent Technologies Inc., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
39520083 ; 39520055 ; 370452 ; 370461 ; 370431 ; 370458 ;
Abstract
An expandable local area hub network is provided by the present invention. The network comprises a plurality of hubs connected along a common memory bus. Each hub includes a plurality of ports for interfacing with remote stations. An arbiter is coupled to the hubs for granting a hub controlling access to the memory bus to transmit a packet on the memory bus. In use, the arbiter receives requests from the hubs and designates a hub, based upon an internal protocol, temporary bus master hub by granting the temporary bus master hub controlling access to the memory bus.