Inventor
BISCHOFF MATHIAS
DE6 patents
Patents
6 patentsUS6388787B1May 14, 2002
Method for generating an optical frequency reference signal
SIEMENS AG20 citations89
US6836620B1Dec 28, 2004
Method for monitoring the signal quality in transparent optical networks
SIEMENS AG12 citations70
US7013086B2Mar 14, 2006
Access node for optical networks with variable-access wavelengths, user device for connection to such an access node, method for feeding a number of signals from a number of users into an optical network and using an access node and at least one user device for carrying out such a method
SIEMENS AG2 citations59
US6215568B1Apr 10, 2001
WDM switching network
SIEMENS AG4 citations59
US6486985B1Nov 26, 2002
Method for transmitting an additional data signal and a useful data signal in an optical network
SIEMENS AG5 citations58
US7123831B2Oct 17, 2006
Device and method for restoring connections in automatically switchable optical networks
SIEMENS AG4 citations56