EP 3321898 A1 20180516 - ALARM DEVICE
Title (en)
ALARM DEVICE
Title (de)
ALARMVORRICHTUNG
Title (fr)
DISPOSITIF D'ALARME
Publication
Application
Priority
CN 201611001936 A 20161111
Abstract (en)
The present invention proposes an alarm device suitable for wall mounting, comprising: a support plate (21); at least three light-emitting units (23), which are disposed on the support plate (21) and are arranged spaced apart from one another along a substantially semicircular arc; at least one reflection cup (25) capable of being fixed to the support plate (21), each reflection cup being adapted to accommodate at least one of the light-emitting units (23), the reflection cup(s) (25) substantially extending or being arranged in the shape of a semicircular ring, an inner surface of the reflection cup being a reflective surface and being constructed to reflect light emitted by the light-emitting unit (23) towards a cubic optical coverage volume, wherein the alarm device is positioned in a center position on a top edge of the optical coverage volume.
IPC 8 full level
G08B 5/36 (2006.01)
CPC (source: CN EP)
Citation (search report)
- [XAI] US 2004218391 A1 20041104 - PROCTER JEFFREY K [AU]
- [XI] US 2014268753 A1 20140918 - BUCHHOLZ MATTHEW J [US], et al
- [XAI] CN 203442529 U 20140219 - GUANGZHOU FORDA SIGNAL CO LTD
- [IA] CN 202938198 U 20130515 - WENZHOU AOLE SAFETY EQUIPMENT CO LTD
- [A] US 6739738 B1 20040525 - SMITH TODD J [US]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3321898 A1 20180516; EP 3321898 B1 20190918; CN 108074359 A 20180525; CN 108074359 B 20201204; PL 3321898 T3 20200331
DOCDB simple family (application)
EP 17198285 A 20171025; CN 201611001936 A 20161111; PL 17198285 T 20171025