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:
Apr. 19, 1994
Filed:
May. 08, 1992
Applicant:
Inventors:
Atsuo Itoh, Tokyo, JP;
Toshio Suzuki, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ; H04Q / ;
U.S. Cl.
CPC ...
370 60 ; 370 941 ; 34082502 ; 34082552 ;
Abstract
The invention switches and forwards information data packets when a plurality of the packets having the same address are competing for simultaneous attention. A plurality of sorting circuits are coupled in a hierarchial cascade. All competing packets are originally received by a superior circuit in the hierarchial cascade. It processes the packet which wins a competition for its attention and passes the rest of the non-winning packets down the hierarchial cascade for processing by an inferior circuit.