EP 1182629 A3 20040204 - System for monitoring entry in a construction
Title (en)
System for monitoring entry in a construction
Title (de)
System zur Zugangsüberwachung von Bauwerken
Title (fr)
Système de surveillance de l'entrée d'un bâtiment
Publication
Application
Priority
DE 10039273 A 20000811
Abstract (en)
[origin: EP1182629A2] The access monitoring system has a closure device (1) for permitting access to the installation, coupled mechanically to at least one light conductor (6), e.g. an optical fibre cable, which exhibits a variation in its optical characteristics when the closure device is opened, e.g. for operation of an optical switch.
IPC 1-7
IPC 8 full level
G08B 13/12 (2006.01); G08B 13/186 (2006.01); G08B 13/24 (2006.01)
CPC (source: EP US)
G08B 13/126 (2013.01 - EP US); G08B 13/186 (2013.01 - EP US); G08B 13/2497 (2013.01 - EP US)
Citation (search report)
- [XY] US 4106849 A 19780815 - STIEFF LORIN R
- [Y] WO 9726517 A1 19970724 - GULLMERT JAN [SE], et al
- [A] US 4854706 A 19890808 - CLAUS RICHARD O [US], et al
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1182629 A2 20020227; EP 1182629 A3 20040204; DE 10039273 A1 20020221; US 2002030155 A1 20020314
DOCDB simple family (application)
EP 01440230 A 20010723; DE 10039273 A 20000811; US 91556101 A 20010727