BE788001A - Circuit sensible a la fumee, avec batterie de secours - Google Patents

Circuit sensible a la fumee, avec batterie de secours

Info

Publication number: BE788001A
Authority: BE; Belgium
Prior art keywords: backup battery; sensitive circuit; smoke sensitive; smoke; circuit
Prior art date: 1971-11-01

Application number

Other languages

English (en)

Inventor

L A Caillouet

Original Assignee

T J Connelly Construction Cy I

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.)

1971-11-01

Publication date

1973-02-26

1973-02-26 Publication of BE788001A publication Critical patent/BE788001A/fr

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
- G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Business, Economics & Management (AREA)
Emergency Management (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Emergency Alarm Devices (AREA)

BE788001D 1971-11-01 Circuit sensible a la fumee, avec batterie de secours BE788001A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US19467971A	1971-11-01	1971-11-01

Publications (1)

Publication Number	Publication Date
BE788001A true BE788001A (fr)	1973-02-26

Family

ID=22718503

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE788001D BE788001A (fr)	1971-11-01		Circuit sensible a la fumee, avec batterie de secours

Country Status (2)

Country	Link
US (1)	US3750123A (fr)
BE (1)	BE788001A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3887908A (en) *	1973-05-07	1975-06-03	Environmental Metrology Corp	Toxic gas indicator
US3860919A (en) *	1973-12-26	1975-01-14	Funck Donald E	Smoke and gas detection and alarm apparatus
US3879717A (en) *	1974-06-19	1975-04-22	K F Ind Inc	Portable methane monitor and alarm system
US4007456A (en) *	1975-12-01	1977-02-08	Craftor Inc.	Gas detecting and warning system
US4088986A (en) *	1976-10-01	1978-05-09	Boucher Charles E	Smoke, fire and gas alarm with remote sensing, back-up emergency power, and system self monitoring
JPS544608U (fr) *	1977-06-10	1979-01-12
US4155081A (en) *	1977-10-25	1979-05-15	Honeywell Inc.	Rechargeable battery backup power source for an ionization smoke detector device
IT1167878B (it) *	1981-05-05	1987-05-20	Franco Maria Conte	Apparecchio rivelatore di gas infiammabile
JPS6057231U (ja) *	1983-09-27	1985-04-22	オムロン株式会社	電源オフディレ−タイマ
US5517182A (en) *	1994-09-20	1996-05-14	Figaro Engineering Inc.	Method for CO detection and its apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2895125A (en) *	1954-12-09	1959-07-14	Patrick F Henry	Electrical alarm system
US2771598A (en) *	1955-06-16	1956-11-20	Simplex Ind Products Inc	Alarm system
US3479257A (en) *	1966-11-25	1969-11-18	Gen Electric	Methods and apparatus for measuring the content of hydrogen or reducing gases in an atmosphere
US3609732A (en) *	1969-05-28	1971-09-28	New Cosmos Electric Co	Gas responsive switching device

0
- BE BE788001D patent/BE788001A/fr unknown
1971
- 1971-11-01 US US00194679A patent/US3750123A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US3750123A (en)	1973-07-31

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