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. 30, 1995
Filed:
Feb. 22, 1993
Applicant:
Inventor:
Katsumi Sekiguchi, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ; H04J / ;
U.S. Cl.
CPC ...
379230 ; 370 8513 ; 379219 ; 379229 ;
Abstract
A common channel signaling network comprises a first and a second subnetwork each being composed of interconnected signaling nodes having a service entity. The first and second subnetworks employ different versions of protocol for message transmission. A common signaling node is provided for protocol conversion. As the common signaling node receives a message from a service entity of each subnetwork, it converts the message format to the protocol of the other subnetwork, and transmits it to a service entity of the other subnetwork.