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:
Feb. 12, 2002
Filed:
Nov. 17, 1999
Berndt Kuhlow, Berlin, DE;
Georges Przyrembel, Berlin, DE;
Abstract
The invention relates to a device for superposing optical signals of different wavelengths. The device is provided with a light guide grid disposed between an input free beam coupler and an output free beam coupler, the input free beam coupler being provided at its input side with at least two input light guide units and an output light guide unit including a plurality of output light guides being to the output side of the free beam coupler. The aperture areas of the input light guide units are arranged and dimensioned relative to the the aperture areas of the output light guides such that each output light guide is affected by at least two optical signals of different wavelengths from the input light guides.