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:
Oct. 12, 1982
Filed:
Dec. 08, 1980
Applicant:
Inventors:
Gerard Terreault, Pointe Claire, CA;
Yves Deflandre, Pierrefonds, CA;
Assignee:
501 Centre de Recherche Industrielle du Quebec, Quebec, CA;
Primary Examiner:
Int. Cl.
CPC ...
H03H / ;
U.S. Cl.
CPC ...
333103 ; 333109 ; 333132 ; 333262 ; 455-3 ;
Abstract
A differentiation and distribution switching system for connecting selected ones of a plurality of subscriber lines for receiving a desired signal. The system comprises at least one differentiation circuit connected to an input signal, a removable support for the differentiation circuit, and a plurality of couplers connected to an output line of the differentiation circuit. A switch is connected to each coupler and an associated one of the subscriber lines, whereby to connect a signal on the output line to selected ones of the subscriber lines.