EP 0126955 B1 19870311 - OPEN-AIR GROUND SURVEILLANCE APPARATUS
Title (en)
OPEN-AIR GROUND SURVEILLANCE APPARATUS
Publication
Application
Priority
DE 3316122 A 19830503
Abstract (en)
[origin: EP0126955A1] 1. Open-air ground surveillance apparatus comprising a strip of ground (2) which is to be monitored and comprising poles (6, 7, 8) which are erected along the strip of ground (2) and serve to support illuminators (9 to 14) and television cameras (15, 16, 17) which are connected to an image analysing device, characterised in that the strip of ground (2) comprises at least three control strips (21 to 25), which are aligned parallel to one another and each of which has a different grey value, and that the illuminators (9 to 14) and television cameras (15, 16, 17) which are assigned to one and the same region of ground strip are supported several metres above the control strip.
IPC 1-7
IPC 8 full level
G08B 13/18 (2006.01); G08B 13/196 (2006.01)
CPC (source: EP)
G08B 13/1961 (2013.01); G08B 13/19632 (2013.01); G08B 13/19641 (2013.01)
Designated contracting state (EPC)
CH DE FR LI NL SE
DOCDB simple family (publication)
EP 0126955 A1 19841205; EP 0126955 B1 19870311; DE 3316122 A1 19841108; DE 3462636 D1 19870416
DOCDB simple family (application)
EP 84104425 A 19840418; DE 3316122 A 19830503; DE 3462636 T 19840418