EP 0435007 A3 19920401 - SURVEILLANCE DEVICE WITH A FRONT PANEL OF PARTICULARLY BLACK SYNTHETIC MATERIAL NON-TRANSPARENT FOR VISIBLE LIGHT
Title (en)
SURVEILLANCE DEVICE WITH A FRONT PANEL OF PARTICULARLY BLACK SYNTHETIC MATERIAL NON-TRANSPARENT FOR VISIBLE LIGHT
Publication
Application
Priority
DE 8915218 U 19891228
Abstract (en)
[origin: EP0435007A2] Surveillance device with a front panel of, in particular, black plastic, which is opaque to visible light and transparent to infrared radiation, and behind which an infrared camera and an infrared lamp are arranged, the front panel being designed in the form of a cover plate as a numeral display for a clock whose numeral markings occur visibly on the front side of the cover plate. <IMAGE>
IPC 1-7
IPC 8 full level
G08B 13/196 (2006.01); G08B 15/00 (2006.01)
CPC (source: EP)
G08B 13/19619 (2013.01); G08B 15/001 (2013.01)
Citation (search report)
- [A] US 4646071 A 19870224 - GODA MAMORU [JP]
- [A] DE 2506043 A1 19760819 - LAMMERTZ KG W
- [A] PATENT ABSTRACTS OF JAPAN vol. 8, no. 221 (E-271)(1658) 9. Oktober 1984 & JP-A-59 104 868 ( MITSUBISHI ) 16. Juni 1984
Designated contracting state (EPC)
BE DE DK FR GB IT LU NL
DOCDB simple family (publication)
DE 8915218 U1 19900208; EP 0435007 A2 19910703; EP 0435007 A3 19920401
DOCDB simple family (application)
DE 8915218 U 19891228; EP 90122796 A 19901129