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:
Sep. 23, 1986
Filed:
Jul. 13, 1984
Applicant:
Inventors:
Casimir Cwirzen, Arlington Heights, IL (US);
Donald F Jaycox, Deerfield, IL (US);
Assignee:
Northern Telecom Limited, Montreal, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
179178 ; 361119 ;
Abstract
An interface for use with telecommunications systems, at a customers premises, comprises a module for connection to the incoming telephone lines and having a modular jack for plugging in of the customers lines. Conveniently the module is a plug-in arrangement, and incorporates line protectors. Back-up protectors can also be provided. The module can also connect to, and also incorporate circuits for providing services such as automatic number identification and similar services.