JPS49131798A - - Google Patents

Info

Publication number: JPS49131798A
Authority: JP; Japan
Legal status (The legal status 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 status listed.): Pending

Application number

JP49037056A

Other languages

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.)

1973-04-17

Filing date

1974-04-03

Publication date

1974-12-17

1974-04-03 Application filed filed Critical

1974-12-17 Publication of JPS49131798A publication Critical patent/JPS49131798A/ja

Status Pending legal-status Critical Current

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

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)
Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)

JP49037056A 1973-04-17 1974-04-03 Pending JPS49131798A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH551973A CH551057A (en)	1973-04-17	1973-04-17	IONIZATION ALARM.

Publications (1)

Publication Number	Publication Date
JPS49131798A true JPS49131798A (en)	1974-12-17

Family

ID=4294978

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP49037056A Pending JPS49131798A (en)	1973-04-17	1974-04-03

Country Status (23)

Country	Link
US (1)	US3908957A (en)
JP (1)	JPS49131798A (en)
BE (1)	BE813068A (en)
BR (1)	BR7403018D0 (en)
CA (1)	CA998783A (en)
CH (1)	CH551057A (en)
CS (1)	CS216229B2 (en)
DD (1)	DD111483A5 (en)
DE (1)	DE2415479C3 (en)
DK (1)	DK150415C (en)
ES (1)	ES424918A1 (en)
FI (1)	FI61768C (en)
FR (1)	FR2226714B1 (en)
GB (1)	GB1430891A (en)
HU (1)	HU175210B (en)
IL (1)	IL44507A (en)
IT (1)	IT1006402B (en)
NL (1)	NL177633C (en)
NO (1)	NO139581C (en)
PL (1)	PL90429B1 (en)
SE (1)	SE396491B (en)
YU (1)	YU35685B (en)
ZA (1)	ZA742077B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6257891U (en) *	1985-09-30	1987-04-10

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2652970C3 (en) *	1976-11-22	1979-09-06	Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf	Ionization fire detectors
US4150373A (en) *	1977-01-27	1979-04-17	Ried Jr Louis	Ionization particle detector
JPS6234399Y2 (en) *	1980-03-31	1987-09-02
CH648943A5 (en) *	1980-05-09	1985-04-15	Cerberus Ag	SMOKE DETECTOR.
US4439683A (en) *	1981-02-11	1984-03-27	General Signal Corporation	Ionization smoke detector
US4488044A (en) *	1981-11-20	1984-12-11	Pittway Corporation	Ionization chamber for smoke detector and the like
FR2523309A1 (en) *	1982-03-09	1983-09-16	Hugon Emile	NEW CAPACITIVE SMOKE DETECTOR WITH INTERCHANGEABLE MODULES
US4529976A (en) *	1982-10-29	1985-07-16	Frederick M. Jameson	Smoke detector with masking shield
FR2594953B1 (en) *	1986-02-25	1989-05-05	Lewiner Jacques	SMOKE DETECTOR WITH IONIZATION CHAMBER
JPS63239592A (en) *	1987-03-27	1988-10-05	ホーチキ株式会社	photoelectric smoke detector
DE58905587D1 (en) *	1988-03-30	1993-10-21	Cerberus Ag	Early fire detection procedures.
US5327119A (en) *	1989-12-22	1994-07-05	Hochiki Kabushiki Kaisha	Ionizing smoke sensor
CH681932A5 (en) *	1990-12-04	1993-06-15	Cerberus Ag
AU667102B2 (en) *	1992-05-14	1996-03-07	Vision Systems Limited	Gas sampling point for smoke/pollution detection systems
EP0641430A4 (en) *	1992-05-14	1995-09-13	Iei Pty Ltd	Gas sampling point for smoke/pollution detection systems.
US5856784A (en) *	1997-04-23	1999-01-05	Pittway Corporation	Low profile ionization chamber
US6057774A (en) *	1999-01-21	2000-05-02	Brk Brands, Inc.	Smoke alarm with anti-dust screen
GB0213854D0 (en) *	2002-06-15	2002-07-24	Aea Technology Plc	Radioactive sources
US9013316B2 (en) *	2011-07-28	2015-04-21	Finsecur	Smoke detector
GB201219488D0 (en)	2012-10-30	2012-12-12	Univ Sussex	Apparatus for sensing ionic current and ionising radiation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3319069A (en) *	1964-08-27	1967-05-09	American District Telegraph Co	Smoke detecting radiation sensitive fire alarm system
CH475614A (en) *	1968-06-18	1969-07-15	Cerberus Ag Werke Fuer Elektro	Ionization fire alarms
GB1277091A (en) *	1968-07-11	1972-06-07	Nittan Co Ltd	Ionization type smoke detectors
CH491449A (en) *	1969-05-19	1970-05-31	Cerberus Ag	Smoke detector arrangement with at least one smoke measuring chamber
CH486082A (en) *	1969-05-19	1970-02-15	Cerberus Ag	Ionization fire alarms
CH508251A (en) *	1970-07-23	1971-05-31	Cerberus Ag	Ionization fire alarms
US3728706A (en) *	1970-09-28	1973-04-17	Gen Signal Corp	System for indicating aerosols in the atmosphere
BE793205A (en) *	1971-12-30	1973-04-16	Preussag Ag Feuerschutz	IONIZATION FIRE ALARM

1973
- 1973-04-17 CH CH551973A patent/CH551057A/en not_active IP Right Cessation
1974
- 1974-03-27 IL IL44507A patent/IL44507A/en unknown
- 1974-03-29 DE DE2415479A patent/DE2415479C3/en not_active Expired
- 1974-03-29 YU YU891/74A patent/YU35685B/en unknown
- 1974-03-29 BE BE142655A patent/BE813068A/en not_active IP Right Cessation
- 1974-04-01 FR FR7411564A patent/FR2226714B1/fr not_active Expired
- 1974-04-02 ZA ZA00742077A patent/ZA742077B/en unknown
- 1974-04-03 ES ES424918A patent/ES424918A1/en not_active Expired
- 1974-04-03 JP JP49037056A patent/JPS49131798A/ja active Pending
- 1974-04-04 US US457841A patent/US3908957A/en not_active Expired - Lifetime
- 1974-04-08 NL NLAANVRAGE7404783,A patent/NL177633C/en not_active IP Right Cessation
- 1974-04-09 IT IT7421073A patent/IT1006402B/en active
- 1974-04-10 SE SE7404871A patent/SE396491B/en not_active IP Right Cessation
- 1974-04-11 CA CA197,527A patent/CA998783A/en not_active Expired
- 1974-04-11 FI FI1124/74A patent/FI61768C/en active
- 1974-04-12 CS CS742663A patent/CS216229B2/en unknown
- 1974-04-15 DD DD177896A patent/DD111483A5/xx unknown
- 1974-04-16 DK DK208174A patent/DK150415C/en not_active IP Right Cessation
- 1974-04-16 BR BR3018/74A patent/BR7403018D0/en unknown
- 1974-04-16 NO NO741357A patent/NO139581C/en unknown
- 1974-04-16 PL PL1974170389A patent/PL90429B1/pl unknown
- 1974-04-17 HU HU74CE995A patent/HU175210B/en unknown
- 1974-04-17 GB GB1684874A patent/GB1430891A/en not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6257891U (en) *	1985-09-30	1987-04-10

Also Published As

Publication number	Publication date
ZA742077B (en)	1975-04-30
DK150415B (en)	1987-02-23
AU6753274A (en)	1975-10-09
DE2415479A1 (en)	1974-11-14
BR7403018D0 (en)	1974-11-19
DK150415C (en)	1987-07-13
YU35685B (en)	1981-04-30
FI61768C (en)	1982-09-10
FR2226714A1 (en)	1974-11-15
HU175210B (en)	1980-06-28
CS216229B2 (en)	1982-10-29
DD111483A5 (en)	1975-02-12
NO139581B (en)	1978-12-27
CA998783A (en)	1976-10-19
PL90429B1 (en)	1977-01-31
IL44507A0 (en)	1974-06-30
US3908957A (en)	1975-09-30
IT1006402B (en)	1976-09-30
FI61768B (en)	1982-05-31
CH551057A (en)	1974-06-28
IL44507A (en)	1977-07-31
NL177633B (en)	1985-05-17
NO741357L (en)	1974-10-18
GB1430891A (en)	1976-04-07
YU89174A (en)	1980-09-25
FR2226714B1 (en)	1979-03-16
DE2415479C3 (en)	1987-12-03
NO139581C (en)	1979-04-04
NL177633C (en)	1985-10-16
DE2415479B2 (en)	1980-09-04
SE396491B (en)	1977-09-19
NL7404783A (en)	1974-10-21
BE813068A (en)	1974-07-15
ES424918A1 (en)	1976-05-16

Publication	Publication Date	Title
AU476761B2 (en)	1976-09-30
AU474593B2 (en)	1976-07-29
AU474511B2 (en)	1976-07-22
AU474838B2 (en)	1976-08-05
FR2226714B1 (en)	1979-03-16
AU471343B2 (en)	1976-04-15
AU465453B2 (en)	1975-09-25
AU476714B2 (en)	1976-09-30
AU472848B2 (en)	1976-06-03
AU476696B2 (en)	1976-09-30
AU466283B2 (en)	1975-10-23
AU495839B2 (en)	1975-01-16
AU477823B2 (en)	1975-06-19
AU471461B2 (en)	1976-04-29
AU477824B2 (en)	1975-07-17
AU476873B1 (en)	1975-01-09
AR200885A1 (en)	1974-12-27
BG20246A1 (en)	1975-11-05
AU479404A (en)	1975-03-13
BG19446A1 (en)	1975-06-25
AU480623A (en)	1975-03-13
AU479562A (en)	1975-01-09
AU479539A (en)	1975-01-30
AU479522A (en)	1975-06-12
AU479521A (en)	1975-06-05

JPS49131798A - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (1)

Family

ID=4294978

Family Applications (1)

Country Status (23)

Cited By (1)

Families Citing this family (20)

Family Cites Families (8)

Cited By (1)

Also Published As

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