JPS5034874A - - Google Patents

Info

Publication number: JPS5034874A
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.): Granted

Application number

JP48127146A

Other languages

Other versions

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.)

1973-07-25

Filing date

1973-11-12

Publication date

1975-04-03

1973-11-12 Application filed filed Critical

1975-04-03 Publication of JPS5034874A publication Critical patent/JPS5034874A/ja

1982-03-02 Publication of JPS5711013B2 publication Critical patent/JPS5711013B2/ja

Status Expired 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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4785—Standardising light scatter apparatus; Standards therefor
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- 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

Physics & Mathematics (AREA)
Analytical Chemistry (AREA)
Chemical & Material Sciences (AREA)
General Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Emergency Management (AREA)
Business, Economics & Management (AREA)
Life Sciences & Earth Sciences (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
Immunology (AREA)
Pathology (AREA)
Fire-Detection Mechanisms (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)

JP12714673A 1973-07-25 1973-11-12 Expired JPS5711013B2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US382521A US3868184A (en)	1973-07-25	1973-07-25	Optical smoke detector with light scattering test device

Publications (2)

Publication Number	Publication Date
JPS5034874A true JPS5034874A (de)	1975-04-03
JPS5711013B2 JPS5711013B2 (de)	1982-03-02

Family

ID=23509319

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP12714673A Expired JPS5711013B2 (de)	1973-07-25	1973-11-12

Country Status (6)

Country	Link
US (1)	US3868184A (de)
JP (1)	JPS5711013B2 (de)
CA (1)	CA1014637A (de)
DE (1)	DE2355784C2 (de)
FR (1)	FR2239168A5 (de)
IT (1)	IT1000974B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5427672U (de) *	1977-07-25	1979-02-23
JPS5888643A (ja) *	1981-11-11	1983-05-26	ツエルベルス・アクチエンゲゼルシヤフト	煙感知器
JPS58170550U (ja) *	1982-05-10	1983-11-14	ホーチキ株式会社	光電式煙感知器

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50134172A (de) *	1974-04-17	1975-10-24
US3985453A (en) *	1974-07-19	1976-10-12	Matsushita Electric Works, Ltd.	Light scattering type smoke detector
US4021792A (en) *	1975-06-23	1977-05-03	Wellen Industries	Smoke alarm
US4053785A (en) *	1976-01-07	1977-10-11	General Signal Corporation	Optical smoke detector with smoke effect simulating means
JPS52141682A (en) *	1976-05-20	1977-11-26	Matsushita Electric Works Ltd	Sensitivity tester of photoelectric sensor
JPS533881A (en) *	1976-07-01	1978-01-13	Matsushita Electric Works Ltd	Sensitivity checking method for scattered light type smoke detector
US4099178A (en) *	1977-04-07	1978-07-04	Emdeko International, Inc.	Test means for light responsive smoke detector
US4166698A (en) *	1977-06-10	1979-09-04	American District Telegraph Company	Secondary light testing in optical smoke detectors
US4216377A (en) *	1977-06-27	1980-08-05	Nittan Company, Limited	Light scattering smoke detector
US4249082A (en) *	1977-09-20	1981-02-03	Cybernet Electronics Corporation	Photoelectric smoke sensor box
CH621640A5 (de) *	1977-11-21	1981-02-13	Cerberus Ag
US4144458A (en) *	1977-11-29	1979-03-13	Chloride Incorporated	Smoke detector with test means for simulating a predetermined concentration of smoke
US4144459A (en) *	1977-11-29	1979-03-13	Chloride Incorporated	Smoke detector with test means for simulating a predetermined percentage of smoke
SU873041A1 (ru) *	1978-01-24	1981-10-15	Предприятие П/Я А-7555	Фотоэлектрический преобразователь
US4360270A (en) *	1981-02-17	1982-11-23	Jeck Richard K	Calibration and testing device for optical, single particle, size spectrometers
US5523743A (en) *	1995-04-13	1996-06-04	Digital Security Controls Ltd.	Self-diagnostic smoke detector
TW566634U (en) *	2002-05-13	2003-12-11	Prec Instr Developement Ct Nat	Sensitivity adjustment device of photoelectric smoke detector
US8232884B2 (en) *	2009-04-24	2012-07-31	Gentex Corporation	Carbon monoxide and smoke detectors having distinct alarm indications and a test button that indicates improper operation
US8836532B2 (en)	2009-07-16	2014-09-16	Gentex Corporation	Notification appliance and method thereof
DE102009054141A1 (de)	2009-11-13	2011-05-19	Job Lizenz Gmbh & Co Kg	Verfahren zum Prüfen der Funktion eines Rauchmelders
USD770929S1 (en) *	2014-06-26	2016-11-08	Life Safety Distribution Ag	Optical block
CN106407514B (zh) *	2016-08-31	2020-06-05	合肥科斯孚安全科技有限公司	一种双光路火灾烟雾探测烟室优化设计方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3396387A (en) *	1962-07-24	1968-08-06	Kidde & Co Walter	Supervised apparatus for detecting suspended matter in fluids
US3483385A (en) *	1966-05-09	1969-12-09	Bendix Corp	Apparatus for comparing the surface reflectivity of materials

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2920525A (en) *	1956-08-13	1960-01-12	Arthur V Appel	Apparatus for automatically counting and sizing airborne particles
GB923885A (en) *	1958-10-30	1963-04-18	Courtaulds Ltd	Nephelometers
DE1115477B (de) *	1959-08-12	1961-10-19	Lentia Gmbh	Ortsfestes, industrielles Aerosolmessgeraet
US3234846A (en) *	1959-11-18	1966-02-15	Standard Oil Co	Continuously recording turbidity meter
US3505529A (en) *	1968-02-08	1970-04-07	Bliss Co	Radiation sensitive smoke detecting device
US3702734A (en) *	1971-05-03	1972-11-14	Saab Scania Ab	Calibration means for instrument for reading dust accumulations on dark slides

1973
- 1973-07-25 US US382521A patent/US3868184A/en not_active Expired - Lifetime
- 1973-10-31 CA CA184,698A patent/CA1014637A/en not_active Expired
- 1973-11-08 DE DE2355784A patent/DE2355784C2/de not_active Expired
- 1973-11-12 JP JP12714673A patent/JPS5711013B2/ja not_active Expired
- 1973-11-19 FR FR7341044A patent/FR2239168A5/fr not_active Expired
- 1973-11-23 IT IT9693/73A patent/IT1000974B/it active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3396387A (en) *	1962-07-24	1968-08-06	Kidde & Co Walter	Supervised apparatus for detecting suspended matter in fluids
US3483385A (en) *	1966-05-09	1969-12-09	Bendix Corp	Apparatus for comparing the surface reflectivity of materials

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5427672U (de) *	1977-07-25	1979-02-23
JPS5888643A (ja) *	1981-11-11	1983-05-26	ツエルベルス・アクチエンゲゼルシヤフト	煙感知器
JPS58170550U (ja) *	1982-05-10	1983-11-14	ホーチキ株式会社	光電式煙感知器

Also Published As

Publication number	Publication date
DE2355784C2 (de)	1983-10-27
FR2239168A5 (de)	1975-02-21
JPS5711013B2 (de)	1982-03-02
DE2355784A1 (de)	1975-02-06
IT1000974B (it)	1976-04-10
CA1014637A (en)	1977-07-26
US3868184A (en)	1975-02-25

Publication	Publication Date	Title
AR201758A1 (de)	1975-04-15
AR201235Q (de)	1975-02-21
AR201231Q (de)	1975-02-21
FR2239168A5 (de)	1975-02-21
AU471343B2 (de)	1976-04-15
AR201229Q (de)	1975-02-21
AR199451A1 (de)	1974-08-30
AR195948A1 (de)	1973-11-15
AR210729A1 (de)	1977-09-15
AR200256A1 (de)	1974-10-31
AR193950A1 (de)	1973-05-31
AR201432A1 (de)	1975-03-14
AR200885A1 (de)	1974-12-27
AR195311A1 (de)	1973-09-28
AU480004B2 (de)	1974-12-19
AR196382A1 (de)	1973-12-18
AU477824B2 (de)	1975-07-17
AR197627A1 (de)	1974-04-23
AR196212Q (de)	1973-12-10
AU1891376A (de)	1977-01-20
AR196123Q (de)	1973-11-30
CH1207573A4 (de)	1975-06-30
BG19359A1 (de)	1975-06-15
AU479419A (de)	1974-08-29
BG18434A1 (de)	1975-02-25

JPS5034874A - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (2)

Family

ID=23509319

Family Applications (1)

Country Status (6)

Cited By (3)

Families Citing this family (22)

Citations (2)

Family Cites Families (6)

Patent Citations (2)

Cited By (3)

Also Published As

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