BE858192A - OPTICAL FIRE DETECTOR - Google Patents

OPTICAL FIRE DETECTOR

Info

Publication number: BE858192A
Authority: BE; Belgium
Prior art keywords: fire detector; optical fire; optical; detector; fire
Prior art date: 1976-09-01

Application number

BE180500A

Other languages

French (fr)

Original Assignee

Ericsson Telefon Ab L M

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.)

1976-09-01

Filing date

1977-08-29

Publication date

1977-12-16

1977-08-29 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

1977-12-16 Publication of BE858192A publication Critical patent/BE858192A/en

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

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)

BE180500A 1976-09-01 1977-08-29 OPTICAL FIRE DETECTOR BE858192A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7609670-0A SE395554B (en)	1976-09-01	1976-09-01	OPTICAL FIRE DETECTOR

Publications (1)

Publication Number	Publication Date
BE858192A true BE858192A (en)	1977-12-16

Family

ID=20328778

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE180500A BE858192A (en)	1976-09-01	1977-08-29	OPTICAL FIRE DETECTOR

Country Status (13)

Country	Link
AU (1)	AU510627B2 (en)
BE (1)	BE858192A (en)
CA (1)	CA1102429A (en)
CH (1)	CH621425A5 (en)
DE (1)	DE2736224A1 (en)
DK (1)	DK148226C (en)
FI (1)	FI63125C (en)
FR (1)	FR2363840A2 (en)
GB (1)	GB1566624A (en)
IT (1)	IT1088004B (en)
NL (1)	NL7709640A (en)
NO (1)	NO140519C (en)
SE (1)	SE395554B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2051640B2 (en) *	1970-10-21	1972-05-31	Preußag AG, Feuerschutz, 2060 Bad Oldesloe	PROCEDURE FOR FLAME DETECTION AND FLAME DETECTORS FOR CARRYING OUT THE PROCEDURE
GB1405615A (en) *	1972-08-11	1975-09-10	Chubb Fire Security Ltd	Fire alarms
SE7604502L (en) *	1976-04-15	1977-10-16	Ericsson Telefon Ab L M	OPTICAL FIRE DETECTOR

1976
- 1976-09-01 SE SE7609670-0A patent/SE395554B/en unknown
1977
- 1977-08-11 DE DE19772736224 patent/DE2736224A1/en active Granted
- 1977-08-15 CH CH994877A patent/CH621425A5/en not_active IP Right Cessation
- 1977-08-18 FI FI772470A patent/FI63125C/en not_active IP Right Cessation
- 1977-08-22 CA CA285,212A patent/CA1102429A/en not_active Expired
- 1977-08-24 GB GB35588/77A patent/GB1566624A/en not_active Expired
- 1977-08-29 BE BE180500A patent/BE858192A/en not_active IP Right Cessation
- 1977-08-31 DK DK386877A patent/DK148226C/en not_active IP Right Cessation
- 1977-08-31 FR FR7726485A patent/FR2363840A2/en active Granted
- 1977-08-31 NO NO773020A patent/NO140519C/en unknown
- 1977-08-31 AU AU28384/77A patent/AU510627B2/en not_active Expired
- 1977-09-01 IT IT7727177A patent/IT1088004B/en active
- 1977-09-01 NL NL7709640A patent/NL7709640A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
DK386877A (en)	1978-03-02
AU510627B2 (en)	1980-07-03
FR2363840B2 (en)	1983-02-04
FI63125B (en)	1982-12-31
FI772470A (en)	1978-03-02
AU2838477A (en)	1979-03-08
GB1566624A (en)	1980-05-08
DE2736224C2 (en)	1991-02-21
NO140519B (en)	1979-06-05
DK148226B (en)	1985-05-06
DK148226C (en)	1985-12-30
NO773020L (en)	1978-03-02
DE2736224A1 (en)	1978-03-09
FI63125C (en)	1983-04-11
SE395554B (en)	1977-08-15
CA1102429A (en)	1981-06-02
CH621425A5 (en)	1981-01-30
IT1088004B (en)	1985-06-04
FR2363840A2 (en)	1978-03-31
NL7709640A (en)	1978-03-03
NO140519C (en)	1979-09-12

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BE858192A (en)	1977-12-16	OPTICAL FIRE DETECTOR
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Legal Events

Date

Code

Title

Description

1990-02-28

RE

Patent lapsed

Owner name: CERBERUS LTD

Effective date: 19890831