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:
Jul. 18, 2000
Filed:
Sep. 19, 1997
Abstract
A telecommunication network based on distributed control, comprising a plurality of switch nodes having switch fabric devices containing switches for exchanging user information between subscriber lines and trunk lines, and signal devices for sending and receiving control signals through the subscriber lines and the trunk lines; a plurality of control nodes for controlling the switch nodes by sending and receiving control messages with the switch nodes; a control network for performing mutual message communications between the switch nodes and the control nodes; and an user information network for transferring the user information; wherein the control network connects the switch nodes and the control nodes by connection-type or connectionless communications, the control nodes and the switch nodes send and receive messages for communicating with other nodes through the control network, and each of the control nodes controls a plurality of switch nodes based on the control network routing messages to specified destination nodes in accordance with routing information in the messages.