SE350634BSE04027/70ASE402770ASE350634BSE 350634 BSE350634 BSE 350634BSE 04027/70 ASE04027/70 ASE 04027/70ASE 402770 ASE402770 ASE 402770ASE 350634 BSE350634 BSE 350634B
Authority
SE
Sweden
Application number
SE04027/70A
Inventor
K Sasaki
Original Assignee
Nittan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nittan Co LtdfiledCriticalNittan Co Ltd
Publication of SE350634BpublicationCriticalpatent/SE350634B/xx
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B17/00—Fire alarms; Alarms responsive to explosion
G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
Landscapes
Chemical & Material Sciences
(AREA)
Analytical Chemistry
(AREA)
Business, Economics & Management
(AREA)
Emergency Management
(AREA)
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Fire-Detection Mechanisms
(AREA)
Emergency Alarm Devices
(AREA)
Investigating Or Analysing Materials By Optical Means
(AREA)