EP 0297197 A1 19890104 - Sound insulation with light-reflecting surface.
Title (en)
Sound insulation with light-reflecting surface.
Title (de)
Lärmisolierung mit lichtreflektierender Oberfläche.
Title (fr)
Isolation phonique avec surface réfléchissant la lumière.
Publication
Application
Priority
EP 87830143 A 19870413
Abstract (en)
A soundproof structure is provided at its surface with a lining (5,13,16,26) of a catadioptric material which forms a light source when a light beam impinges on it.
IPC 1-7
IPC 8 full level
E04B 1/99 (2006.01); E04B 9/00 (2006.01); E04B 9/32 (2006.01); F21V 7/00 (2006.01); E04B 1/82 (2006.01); E04B 1/84 (2006.01)
CPC (source: EP)
E04B 1/99 (2013.01); E04B 9/001 (2013.01); E04B 9/32 (2013.01); F21V 7/0008 (2013.01); E04B 2001/8281 (2013.01); E04B 2001/8414 (2013.01); E04B 2001/8433 (2013.01); E04B 2001/8438 (2013.01); E04B 2001/8442 (2013.01)
Citation (search report)
- [Y] FR 2487400 A1 19820129 - MILLER HERMAN INC [US]
- [Y] EP 0194977 A2 19860917 - TRINI CASTELLI CLINO
- [A] FR 2469521 A1 19810522 - DESAGNAT ALAIN [FR]
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR LI LU NL SE
DOCDB simple family (publication)
EP 0297197 A1 19890104; EP 0297197 B1 19931215; AT E98761 T1 19940115; DE 3788518 D1 19940127; DE 3788518 T2 19940721
DOCDB simple family (application)
EP 87830143 A 19870413; AT 87830143 T 19870413; DE 3788518 T 19870413