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:
Apr. 18, 2000
Filed:
Sep. 18, 1997
Applicant:
Inventors:
Paul Kunisch, Puchheim, DE;
Roland Krimmer, Germering, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ; H04M / ; H04M / ;
U.S. Cl.
CPC ...
379-2 ; 379-1 ; 379399 ;
Abstract
An interface circuit with integrated test functions relating to the subscriber line, with a test circuit realized in the simplest case by an ohmic resistance, and comprising a relay circuit having two changeover contacts by means of which in one switching position the leads of the subscriber line are connected with the interface circuit, and in the other switching position the subscriber line is disconnected and the test circuit is connected to the interface circuit.
Kunisch, Paul. (2000). Subscriber terminal circuit for connecting an analog subscriber line to (U.S. Patent No. 6052437). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6052437
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile