EP 0707207 A3 19980513 - Smoke detector
Title (en)
Smoke detector
Title (de)
Rauchmelder
Title (fr)
Détecteur de fumée
Publication
Application
Priority
DE 9416314 U 19941010
Abstract (en)
[origin: EP0707207A2] The smoke detector has a housing enclosing a detection chamber (2) which is provided by a replaceable insert, incorporating a smoke sensor (4,5) and an electrical adaption circuit (6). The electronic signal evaluation and alarm activation circuit (3) is contained within the smoke detector housing, with the adaption circuit coupled to it via an interface circuit for transfer of the smoke sensor signals. The housing pref. has a fixed upper part (1) and a removable lower part (9) between which the detection chamber insert is fitted, with the evaluation and alarm activation circuit contained in the lower part.
IPC 1-7
IPC 8 full level
G01N 21/03 (2006.01); G01N 21/51 (2006.01); G01N 21/59 (2006.01); G08B 17/107 (2006.01)
CPC (source: EP)
G08B 17/107 (2013.01); G08B 17/113 (2013.01)
Citation (search report)
- [A] US 4249082 A 19810203 - KAKIGI YASUGI, et al
- [A] US 4241282 A 19801223 - MUGGLI JURG [CH], et al
- [A] EP 0399244 A2 19901128 - NOHMI BOSAI LTD [JP]
- [A] US 4906978 A 19900306 - BEST JAMES A [US], et al
- [A] US 3980997 A 19760914 - BERNS CHARLES, et al
- [A] WO 9308461 A1 19930429 - IEI PTY LTD [AU]
Designated contracting state (EPC)
AT BE CH DE ES FR IT LI LU NL PT
DOCDB simple family (publication)
EP 0707207 A2 19960417; EP 0707207 A3 19980513; EP 0707207 B1 20050209; AT E289062 T1 20050215; CN 1133461 A 19961016; DE 59510989 D1 20050317; DE 9416314 U1 19941201
DOCDB simple family (application)
EP 95113253 A 19950823; AT 95113253 T 19950823; CN 95116160 A 19951010; DE 59510989 T 19950823; DE 9416314 U 19941010