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Fire-detection device with an ionization chamber

Abstract

The invention fire-detector in which a detecting circuit of adjustable sensitivity is connected to an ionization chamber sensitive to combustion products. An appropriate circuit is adapted to check the operation and to determine if: the apparatus is duly fed with power; the detector is working; and the apparatus is working at the appropriate sensitivity.
Publication Date:
Oct 14, 1974
Product Type:
Patent
Report Number:
FR 2257119; A
Reference Number:
AIX-07-266021; EDB-77-007975
Resource Relation:
Other Information: Available from Institut National de la Propriete Industrielle, Paris (France); priority claim: 7 Jan 1974, USA
Subject:
42 ENGINEERING; 07 ISOTOPES AND RADIATION SOURCES; ALARM SYSTEMS; DESIGN; ALPHA SOURCES; USES; FIRES; COMPARATOR CIRCUITS; IONIZATION CHAMBERS; SENSITIVITY; TRANSISTOR TRIGGER CIRCUITS; ELECTRONIC CIRCUITS; ION SOURCES; MEASURING INSTRUMENTS; PARTICLE SOURCES; PULSE CIRCUITS; RADIATION DETECTORS; RADIATION SOURCES; TRIGGER CIRCUITS; 420600* - Engineering- Safety Engineering- (-1987); 070204 - Radiation Sources- Industrial Uses, Radiometric
OSTI ID:
7142265
Country of Origin:
France
Language:
French
Submitting Site:
INIS
Size:
Pages: 10
Announcement Date:

Citation Formats

Conforti, F J, and Ogden, W L. Fire-detection device with an ionization chamber. France: N. p., 1974. Web.
Conforti, F J, & Ogden, W L. Fire-detection device with an ionization chamber. France.
Conforti, F J, and Ogden, W L. 1974. "Fire-detection device with an ionization chamber." France.
@misc{etde_7142265,
title = {Fire-detection device with an ionization chamber}
author = {Conforti, F J, and Ogden, W L}
abstractNote = {The invention fire-detector in which a detecting circuit of adjustable sensitivity is connected to an ionization chamber sensitive to combustion products. An appropriate circuit is adapted to check the operation and to determine if: the apparatus is duly fed with power; the detector is working; and the apparatus is working at the appropriate sensitivity.}
place = {France}
year = {1974}
month = {Oct}
}