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:
May. 07, 2002
Filed:
Jul. 02, 1996
Toru Nakata, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a communication network of the present invention, there are arranged a plurality of groups of nodes, a plurality of exchange nodes, a plurality of first transmission lines connecting the node groups with respective ones of the exchange nodes, and at least a second transmission line for connecting the exchange nodes with each other. The nodes are connected with each other through at least one of the exchange nodes by multiplexed communication channels for transmission of a data signal established in the first and second transmission lines, and the nodes are connected with the exchange nodes by the multiplexed communication channels and at least one control channel for transmission of a control signal.