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:
May. 17, 1983
Filed:
Aug. 28, 1980
Applicant:
Inventor:
Hans H Witte, Munich, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9616 ; 350 9615 ;
Abstract
An optical four-gate coupler, which is particularly useful when used in a bus system and has a pair of input fibers and a pair of output fibers which are arranged with the planar end faces of the four fibers abutting one another in an axial offset fashion characterized by one of the input fibers having a smaller cross-section than the remaining fibers.