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.

Date of Patent:
Aug. 06, 2002

Filed:

Mar. 25, 1998
Applicant:
Inventors:

Shiro Uriu, Kawasaki, JP;

Kazumasa Sonoda, Fukuoka, JP;

Hiroshi Ishiwata, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 1/200 ;
U.S. Cl.
CPC ...
H04L 1/200 ;
Abstract

A switching system in an ATM switching system accommodating an ABR is constructed of an individual units connected to a transmitting terminal or a receiving terminal to implement an efficient bandwidth authorization, and a plurality of intra-system relay devices having transmission allowed rate calculating units. In this switching system, there are separated a transfer of a management cell between the transmitting terminal or the receiving terminal and the individual unit and a transfer of the management cell between the plurality of intra-system relay devices.


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