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:
Aug. 31, 1999
Filed:
Oct. 22, 1996
Applicant:
Inventors:
Daisuke Motohashi, Kawasaki, JP;
Eiichiro Takahashi, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
705400 ; 37910004 ; 379114 ; 379115 ; 379134 ; 705-1 ; 709200 ;
Abstract
A data switching device includes a switch which performs a switch operation on data transferred via the data switching device. The switch forms a permanent link connecting terminals permanently. A charge information management unit manages charge information concerning a quantity of information transferred via the permanent link. A control unit sends one of the terminals a notification message including the charge information according to a predetermined sequence.