Method for protection switching of geographically separate switching systems | Patent Publication Number 20070140109

US 20070140109 A1

Patent NumberUS 08089980 B2

Application Number10582589

Filled DateAug 26, 2004

Priority DateAug 26, 2004

Publication DateJun 21, 2007

Original AssigneeSiemens Ag

Current AssigneeBlueprint Ip Solutions Llc

Inventor/ApplicantsJÃ¼rgen Tegeler
Jurgen Tegeler
Norbert LÃ¶big
Norbert Lobig

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