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Institut National des Radioelements IRE
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Institut National des Radioelements IRE
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Publication date
Application filed by Institut National des Radioelements IREfiledCriticalInstitut National des Radioelements IRE
Publication of FR2449282A1publicationCriticalpatent/FR2449282A1/fr
Application grantedgrantedCritical
Publication of FR2449282B1publicationCriticalpatent/FR2449282B1/fr
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
G08B17/113—Constructional details
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Chemical & Material Sciences
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Analytical Chemistry
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Business, Economics & Management
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Emergency Management
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Physics & Mathematics
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General Physics & Mathematics
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Other Investigation Or Analysis Of Materials By Electrical Means
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