IT1025187B - Rivelatore di fumo ad ionizzazione e relativo sistema d allarme - Google Patents

Rivelatore di fumo ad ionizzazione e relativo sistema d allarme

Info

Publication number
IT1025187B
IT1025187B IT28778/74A IT2877874A IT1025187B IT 1025187 B IT1025187 B IT 1025187B IT 28778/74 A IT28778/74 A IT 28778/74A IT 2877874 A IT2877874 A IT 2877874A IT 1025187 B IT1025187 B IT 1025187B
Authority
IT
Italy
Prior art keywords
alarm system
smoke detector
ionization smoke
relative alarm
relative
Prior art date
Application number
IT28778/74A
Other languages
English (en)
Original Assignee
Emhart Corp
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 Emhart Corp filed Critical Emhart Corp
Application granted granted Critical
Publication of IT1025187B publication Critical patent/IT1025187B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • 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
IT28778/74A 1973-10-25 1974-10-25 Rivelatore di fumo ad ionizzazione e relativo sistema d allarme IT1025187B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/409,647 US3934145A (en) 1973-10-25 1973-10-25 Ionization smoke detector and alarm system

Publications (1)

Publication Number Publication Date
IT1025187B true IT1025187B (it) 1978-08-10

Family

ID=23621399

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28778/74A IT1025187B (it) 1973-10-25 1974-10-25 Rivelatore di fumo ad ionizzazione e relativo sistema d allarme

Country Status (12)

Country Link
US (1) US3934145A (it)
JP (1) JPS5075093A (it)
AU (1) AU474800B2 (it)
BR (1) BR7408684D0 (it)
CA (1) CA1017466A (it)
CH (2) CH574652A5 (it)
DE (2) DE2450601C3 (it)
FR (1) FR2249394B1 (it)
GB (2) GB1483781A (it)
IT (1) IT1025187B (it)
NL (1) NL7412929A (it)
SE (1) SE7413148L (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH600563A5 (it) * 1976-11-29 1978-06-15 Cerberus Ag
CH600565A5 (it) * 1976-12-01 1978-06-15 Cerberus Ag
US4096473A (en) * 1976-12-09 1978-06-20 P.R. Mallory & Co. Inc. High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
US4119904A (en) * 1977-04-11 1978-10-10 Honeywell Inc. Low battery voltage detector
JPS5734445Y2 (it) * 1977-08-19 1982-07-29
JPS5442595U (it) * 1977-08-31 1979-03-22
DE2752690C3 (de) * 1977-11-25 1981-04-16 Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf Ionisations-Brandmelder
DE2816192C2 (de) * 1978-04-14 1986-02-20 Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München Brandmeldezentrale
USRE30620E (en) * 1978-07-03 1981-05-19 P. R. Mallory & Co. Inc. High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
JPS56100356A (en) * 1980-01-14 1981-08-12 Matsushita Electric Works Ltd Ionization type smoke sensor
AU1893383A (en) * 1983-03-07 1984-09-13 Emhart Industries Inc. Mount for fire sensor
EP0141987B1 (de) * 1983-10-17 1987-11-04 Cerberus Ag Verfahren zur Alarmsignalisation und Einrichtung zur Anwendung desselben
JPS60144192U (ja) * 1984-02-29 1985-09-25 レック株式会社 煙検知器
US4564762A (en) * 1984-05-16 1986-01-14 Pyrotector, Inc. Smoke detector
US4862147A (en) * 1985-08-26 1989-08-29 Puritan-Bennett Aero Systems Company Smoke alarm with dropout smoke hood
GB2200232A (en) * 1986-05-13 1988-07-27 Bryan Allsop Battery powered temperature alarm
US5424721A (en) * 1991-03-30 1995-06-13 Nec Corporation Method and arrangement for advising when radio pager battery requires replacement
DE4341411C2 (de) * 1993-12-04 1995-09-07 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zum pneumatischen Zuführen von Fasern zu der Fasersammelfläche eines Offenend-Spinnelementes
GB2322727A (en) * 1997-02-27 1998-09-02 Fulleon Ltd Sounder device
US8754775B2 (en) * 2009-03-20 2014-06-17 Nest Labs, Inc. Use of optical reflectance proximity detector for nuisance mitigation in smoke alarms
CN102521943A (zh) * 2012-01-10 2012-06-27 浙江宇安消防装备有限公司 一种便携式逃生器材存放箱和小区智能消防预警集成装置
US10598398B2 (en) * 2012-03-20 2020-03-24 Air Distribution Technologies Ip, Llc Energy recovery ventilation smoke evacuation
GB2517917A (en) * 2013-09-04 2015-03-11 Sprue Safety Products Ltd Heat detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460124A (en) * 1966-06-06 1969-08-05 Interstate Eng Corp Smoke detector
CH491449A (de) * 1969-05-19 1970-05-31 Cerberus Ag Rauchdetektoranordnung mit mindestens einer Rauchmesskammer
CH508251A (de) * 1970-07-23 1971-05-31 Cerberus Ag Ionisationsfeuermelder

Also Published As

Publication number Publication date
FR2249394A1 (it) 1975-05-23
SE7413148L (it) 1975-04-28
DE2462261B2 (de) 1978-08-31
DE2450601A1 (de) 1975-05-15
BR7408684D0 (pt) 1975-08-05
CH574652A5 (it) 1976-04-15
US3934145A (en) 1976-01-20
DE2462261A1 (de) 1976-07-08
FR2249394B1 (it) 1979-02-09
AU474800B2 (en) 1976-08-05
GB1483782A (en) 1977-08-24
GB1483781A (en) 1977-08-24
DE2450601B2 (de) 1977-12-01
CA1017466A (en) 1977-09-13
CH584950A5 (it) 1977-02-15
NL7412929A (nl) 1975-04-29
JPS5075093A (it) 1975-06-20
AU7372574A (en) 1976-04-29
DE2450601C3 (de) 1978-07-13

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