EP 0039371 B1 19850911 - SURVEILLANCE DEVICE FOR THE FIELD BEHIND A SECURITY FENCE
Title (en)
SURVEILLANCE DEVICE FOR THE FIELD BEHIND A SECURITY FENCE
Publication
Application
Priority
- DE 3006999 A 19800225
- DE 3010522 A 19800319
Abstract (en)
[origin: EP0039371A2] 1. Secondary-field fuse designed to be used for a safety fence as a safety wire in endless braiding matting with said safety wire being comprised of a resistance wire which is enclosed by a metal braiding and a plastic sheathing being arranged above thereof and being comprised of a bridge circuit, which is suitable as alarm device, characterized by using a safety wire having one core and comprising two resistance wires (A1, A2) and two copper wires (B1, B2) of equal size and equal external quality to manufacture the endless braiding matting.
IPC 1-7
IPC 8 full level
G08B 13/12 (2006.01)
CPC (source: EP)
G08B 13/122 (2013.01)
Designated contracting state (EPC)
AT BE CH FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0039371 A2 19811111; EP 0039371 A3 19820324; EP 0039371 B1 19850911
DOCDB simple family (application)
EP 80102844 A 19800522