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:
Jun. 24, 2003
Filed:
Dec. 19, 2001
Michael Joachim Wolf, Mundelsheim, DE;
Alcatel, Paris, FR;
Abstract
A switching device ( ) for an optical transmission network is provided with a first switch ( ) to which a plurality of fibers ( ) are attached, each of which fibers ( ) is provided with a plurality of channels ( ) with different wavelengths. The first switch ( ) is suitable for connecting each channel ( ) of each of the fibers ( ) to any other channel ( ) of the fibers ( ). At least one channel ( ′) of the fibers ( ) is not attached to the first switch ( ), but is instead attached to a second switch ( ). The second switch ( ) is in this case suitable only for connecting each channel ( ′) of a first of the fibers ( ) to each channel ( ′) of a second of the fibers ( ).