EP 0996866 A1 20000503 - THERMO-OPTICAL CASCADED SWITCH COMPRISING GATES
Title (en)
THERMO-OPTICAL CASCADED SWITCH COMPRISING GATES
Title (de)
THERMO-OPTISCHE VERMITTLUNGSSTELLE MIT KASKADIERTEN TORSCHALTERN
Title (fr)
COMMUTATEUR THERMO-OPTIQUE MONTE EN CASCADE COMPRENANT DES PORTES
Publication
Application
Priority
- EP 98939575 A 19980629
- EP 9804020 W 19980629
- EP 97202243 A 19970718
- US 88873197 A 19970707
Abstract (en)
[origin: WO9903015A1] The invention pertains to a thermo-optical switch comprising a cascade of 1xM optical switches, gates for selectively blocking and unblocking the output paths of the cascaded switch, and means for driving the 1xM switches and the gates, which means are arranged to switch a data signal from an input path of the cascaded switch to one of the output paths, wherein the said means are also arranged to switch an unwanted signal, by means of a number of the remaining 1xM switches, to at least one of the remaining output paths. In the cascaded switch according to the invention, the generated heat is distributed evenly over the area of the switch and the overall amount of heat generated is reduced.
IPC 1-7
IPC 8 full level
G02F 1/00 (2006.01); H04Q 3/52 (2006.01); H04Q 11/00 (2006.01)
CPC (source: EP)
H04Q 11/0005 (2013.01); H04Q 2011/0049 (2013.01); H04Q 2011/0052 (2013.01)
Citation (search report)
See references of WO 9903015A1
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
WO 9903015 A1 19990121; AU 8803898 A 19990208; CA 2292509 A1 19990121; EP 0996866 A1 20000503
DOCDB simple family (application)
EP 9804020 W 19980629; AU 8803898 A 19980629; CA 2292509 A 19980629; EP 98939575 A 19980629