FR2276068A1 - Dispositif comprenant un detecteur de fumee et un circuit d'alarme - Google Patents

Dispositif comprenant un detecteur de fumee et un circuit d'alarme

Info

Publication number: FR2276068A1
Authority: FR; France
Prior art keywords: device including; smoke detector; alarm circuit; alarm; smoke
Prior art date: 1974-06-24
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

FR7519776A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

FRANKS JEFFREY

Original Assignee

FRANKS JEFFREY

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.)

1974-06-24

Filing date

1975-06-24

Publication date

1976-01-23

1975-06-24 Application filed by FRANKS JEFFREY filed Critical FRANKS JEFFREY

1976-01-23 Publication of FR2276068A1 publication Critical patent/FR2276068A1/fr

Status Withdrawn legal-status Critical Current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
- 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)
Investigating Or Analysing Materials By Optical Means (AREA)

FR7519776A 1974-06-24 1975-06-24 Dispositif comprenant un detecteur de fumee et un circuit d'alarme Withdrawn FR2276068A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US48243574A	1974-06-24	1974-06-24
US05/578,612 US4001800A (en)	1974-06-24	1975-05-19	Smoke detecting device

Publications (1)

Publication Number	Publication Date
FR2276068A1 true FR2276068A1 (fr)	1976-01-23

Family

ID=27047281

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7519776A Withdrawn FR2276068A1 (fr)	1974-06-24	1975-06-24	Dispositif comprenant un detecteur de fumee et un circuit d'alarme

Country Status (6)

Country	Link
US (1)	US4001800A (fr)
JP (1)	JPS5118496A (fr)
DE (1)	DE2528312A1 (fr)
FR (1)	FR2276068A1 (fr)
GB (1)	GB1475952A (fr)
IT (1)	IT1040697B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4306230A (en) *	1979-12-10	1981-12-15	Honeywell Inc.	Self-checking photoelectric smoke detector
JPS56118007A (en) *	1980-02-23	1981-09-16	Shizuokaken	Algicide
US4677426A (en) *	1983-01-28	1987-06-30	Electronic Dust Detection, Inc.	Dust detecting ring assembly
US6876305B2 (en)	1999-12-08	2005-04-05	Gentex Corporation	Compact particle sensor
US6225910B1 (en)	1999-12-08	2001-05-01	Gentex Corporation	Smoke detector
US7616126B2 (en) *	2006-07-18	2009-11-10	Gentex Corporation	Optical particle detectors
CN106597952A (zh) *	2016-12-27	2017-04-26	东莞市狮王安防科技有限公司	通讯基站主动式催泪控制器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2832946A (en) *	1956-02-14	1958-04-29	Honeywell Regulator Co	Control apparatus
US3297913A (en) *	1963-12-13	1967-01-10	Jr Edmund O Schweitzer	High voltage circuit breaker control system employing wave transmission modulated by current flow in circuit with time delay for operating circuit breaker
US3409885A (en) *	1964-03-26	1968-11-05	Guardian Industries	Smoke detection apparatus
CH417405A (de) *	1964-07-14	1966-07-15	Cerberus Ag Werk Fuer Elektron	Vorrichtung zur Feststellung von Aerosolen in Luft
US3460124A (en) *	1966-06-06	1969-08-05	Interstate Eng Corp	Smoke detector
US3534351A (en) *	1967-04-07	1970-10-13	Gen Electric	Light coupled battery powered remote control apparatus
US3594751A (en) *	1968-02-29	1971-07-20	Brk Electronics	Detection of products of combustion
US3713128A (en) *	1970-08-07	1973-01-23	Systron Donner Corp	Vault alarm system and method
US3728706A (en) *	1970-09-28	1973-04-17	Gen Signal Corp	System for indicating aerosols in the atmosphere
CH566059A5 (fr) *	1972-03-07	1975-08-29	Protecbat La Detection Electro
US3774186A (en) *	1972-03-15	1973-11-20	El Sig Lab Inc	Smoke detector failure alarm

1975
- 1975-05-19 US US05/578,612 patent/US4001800A/en not_active Expired - Lifetime
- 1975-06-18 GB GB2600275A patent/GB1475952A/en not_active Expired
- 1975-06-23 DE DE19752528312 patent/DE2528312A1/de active Pending
- 1975-06-23 JP JP50075763A patent/JPS5118496A/ja active Pending
- 1975-06-24 FR FR7519776A patent/FR2276068A1/fr not_active Withdrawn
- 1975-06-24 IT IT50193/75A patent/IT1040697B/it active

Also Published As

Publication number	Publication date
JPS5118496A (fr)	1976-02-14
US4001800A (en)	1977-01-04
GB1475952A (en)	1977-06-10
IT1040697B (it)	1979-12-20
DE2528312A1 (de)	1976-01-15

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Legal Events

Date	Code	Title	Description
1980-04-04	ST	Notification of lapse