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:
Nov. 12, 1991
Filed:
Apr. 30, 1990
Applicant:
Inventors:
Reiner Binz, Ebenhausen, DE;
Hartmut Burghardt, Holzkirchen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
359184 ; 307219 ; 328 60 ; 359158 ; 359173 ; 385 45 ;
Abstract
In a digital switching center for a telephone switching system or the like, a clock signal distribution arrangement having a redundant central clock generator supplying clock signals to the switching matrices the arrangement including electro-optical transducers, brancher modules, light conductors and opto-electrical transducers connected in signal distribution paths between the clock generator and the switching matrices. The distribution paths are doubled for redundancy purposes.