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. 20, 1999
Filed:
Mar. 25, 1997
Youichi Wakamatsu, Kawasaki, JP;
Nitsuko Corporation, Kanagawa, JP;
Abstract
A router having a security function is provided for connecting a local area network (LAN) of a first local area through an interface network to other LAN's of other local areas, the router includes an ID register for preliminarily registering calling-party discrimination codes, and a discriminator for responding to an incoming call only when a calling-party discrimination code incoming through the interface network is determined to be identical to one of the registered calling-party discrimination codes in the ID register, wherein the discrimination code of a calling party from another LAN of another local area is checked to allow only an input from a registered calling party to be connected.