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. 13, 2004
Filed:
Mar. 20, 2000
Masaki Amano, Tokyo, JP;
Shigeru Tatsuzawa, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
A hub apparatus which has a plurality of ports for connecting a network portion including one or a plurality of communicating apparatuses and relays the transmission and reception of a communication packet between the communicating apparatuses through the ports. The hub apparatus has port information storing means for storing, every said port, port information regarding the network portion which includes at least information indicating whether the number of communicating apparatuses which the network portion connected to each port has is equal to 1 or a plural number, and means for determining communicating forms of transmission, non-transmission, and a state of the communication packet for transmitting on the basis of the port information corresponding to the port to which the communication packet is sent.