DK137293B - Fire Detector. - Google Patents

Fire Detector.

Info

Publication number: DK137293B
Authority: DK; Denmark
Prior art keywords: fire detector; fire; detector
Prior art date: 1972-09-13

Application number

DK497973AA

Other languages

Danish (da)

Other versions

DK137293C (en

Inventor

Quinn Shumway Anderson

Original Assignee

Anglo Amer Corp South Africa

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.)

1972-09-13

Filing date

1973-09-11

Publication date

1978-02-13

1973-09-11 Application filed by Anglo Amer Corp South Africa filed Critical Anglo Amer Corp South Africa

1978-02-13 Publication of DK137293B publication Critical patent/DK137293B/en

1978-07-10 Application granted granted Critical

1978-07-10 Publication of DK137293C publication Critical patent/DK137293C/da

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
- 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
- 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
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
- 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

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

DK497973AA 1972-09-13 1973-09-11 Fire Detector. DK137293B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ZA726258A ZA726258B (en)	1972-09-13	1972-09-13	Fire detector

Publications (2)

Publication Number	Publication Date
DK137293B true DK137293B (en)	1978-02-13
DK137293C DK137293C (en)	1978-07-10

Family

ID=25565379

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK497973AA DK137293B (en)	1972-09-13	1973-09-11	Fire Detector.

Country Status (8)

Country	Link
US (1)	US3921158A (en)
JP (1)	JPS4969099A (en)
CA (1)	CA1015042A (en)
DE (1)	DE2346249C3 (en)
DK (1)	DK137293B (en)
FR (1)	FR2199150B1 (en)
GB (1)	GB1436405A (en)
ZA (1)	ZA726258B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5193499U (en) *	1975-01-24	1976-07-27
GB8309211D0 (en) *	1983-04-05	1983-05-11	Edinburgh Instr	Infra red absorption gas detectors
GB8515519D0 (en) *	1985-06-19	1985-07-24	Graviner Ltd	Gas detection
GB9616809D0 (en) *	1996-08-10	1996-09-25	Eev Ltd	Gas monitors
EP1087352A1 (en) *	1999-09-22	2001-03-28	Siemens Building Technologies AG	Optical smoke detector
US6876305B2 (en) *	1999-12-08	2005-04-05	Gentex Corporation	Compact particle sensor
DE10031555B4 (en) *	2000-06-28	2010-04-15	Robert Bosch Gmbh	Optical sensor
US7564365B2 (en) *	2002-08-23	2009-07-21	Ge Security, Inc.	Smoke detector and method of detecting smoke
EP1552489B1 (en) *	2002-08-23	2008-12-10	General Electric Company	Rapidly responding, false detection immune alarm signal producing smoke detector
CN103150590A (en) *	2013-03-16	2013-06-12	赵明	Positioning card for mine personnel
DE102013212512A1 (en) *	2013-06-27	2015-01-15	Robert Bosch Gmbh	Outer part for a device and device
CN103343701B (en) *	2013-07-23	2018-09-21	北京圣博亚科技有限公司	A kind of subsurface environment monitoring and warning system and its intelligence sensor
DE102014019773B4 (en)	2014-12-17	2023-12-07	Elmos Semiconductor Se	Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone
DE102014019172B4 (en)	2014-12-17	2023-12-07	Elmos Semiconductor Se	Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system
CN105089700A (en) *	2015-08-10	2015-11-25	苏州欧可罗电子科技有限公司	Mining safety monitoring system
CN107829780B (en) *	2017-10-27	2019-11-05	精英数智科技股份有限公司	A kind of gas false alarm recognition methods based on coal mine safety monitoring networked system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1695031A (en) *	1925-09-01	1928-12-11	Siemens Ag	Determining gaseous carbonic acid
US2170435A (en) *	1937-12-14	1939-08-22	Standard Oil Dev Co	Gas analysis apparatus
US3102257A (en) *	1958-07-21	1963-08-27	John M Miller	Gas warning device
US3279308A (en) *	1963-12-02	1966-10-18	Dow Chemical Co	Dispersive analyzer having means for segregating different wavelengths of radiation from a single source
US3435209A (en) *	1966-03-10	1969-03-25	Beckman Instruments Inc	Two wavelength infrared analyzer having a pair of variable interference filters for determining the respective wavelengths
US3539770A (en) *	1967-11-14	1970-11-10	Barber Mfg Co	Electric infrared heater
US3621200A (en) *	1968-10-31	1971-11-16	American Packaging Corp	Heating element and packaging machine equipped therewith
US3677652A (en) *	1971-06-15	1972-07-18	Gte Sylvania Inc	Fluid analyzer apparatus

1972
- 1972-09-13 ZA ZA726258A patent/ZA726258B/en unknown
1973
- 1973-09-10 US US395747A patent/US3921158A/en not_active Expired - Lifetime
- 1973-09-10 GB GB4237573A patent/GB1436405A/en not_active Expired
- 1973-09-11 DK DK497973AA patent/DK137293B/en unknown
- 1973-09-12 JP JP48102253A patent/JPS4969099A/ja active Pending
- 1973-09-12 CA CA181,009A patent/CA1015042A/en not_active Expired
- 1973-09-13 DE DE2346249A patent/DE2346249C3/en not_active Expired
- 1973-09-13 FR FR7332948A patent/FR2199150B1/fr not_active Expired

Also Published As

Publication number	Publication date
FR2199150A1 (en)	1974-04-05
DE2346249B2 (en)	1977-09-15
AU6025073A (en)	1975-03-13
DE2346249C3 (en)	1978-05-03
FR2199150B1 (en)	1977-05-20
DK137293C (en)	1978-07-10
JPS4969099A (en)	1974-07-04
GB1436405A (en)	1976-05-19
ZA726258B (en)	1973-11-28
CA1015042A (en)	1977-08-02
DE2346249A1 (en)	1974-03-21
US3921158A (en)	1975-11-18

Publication	Publication Date	Title
BE785796R (en)	1973-01-03	DETECTOR
BE781867A (en)	1972-10-10	DRAADKRAT.
CH547531A (en)	1974-03-29	FIRE DETECTION SYSTEM.
NO741357L (en)	1974-10-18	Ionization smoke detector.
DK138714B (en)	1978-10-16	Ionization fire alarm means.
BE796166A (en)	1973-07-02	SMOKE DETECTOR
DK137293B (en)	1978-02-13	Fire Detector.
AR196020A1 (en)	1973-11-23	SMOKE DETECTOR
BE781886A (en)	1972-07-31	FLESSENKRAT.
NL175364C (en)	1984-10-16	SQUARE DETECTOR.
CH552989A (en)	1974-08-30	SMOKE DETECTOR.
CH552159A (en)	1974-07-31	BARRIER.
CH555148A (en)	1974-10-31	SMOKE MATERIALS.
CH548580A (en)	1974-04-30	FIRE ARM.
BE783739A (en)	1972-09-13	BRANDSTOFRESERVOIR.
ES176888Y (en)	1973-03-16	AUTOMATIC FIRES.
ES179944Y (en)	1973-12-01	FIRE DETECTOR DEVICE.
ES183773Y (en)	1974-05-16	PROJECTOR BOX-FURNITURE.
ES183413Y (en)	1974-05-01	SEMIESPHERIC CEILING.
ES181522Y (en)	1974-03-01	CANON FIRE-FIGHTING.
ES148588Y (en)	1970-04-16	THERMOSTATIC-ELECTRIC DETECTOR.
NL152456B (en)	1977-03-15	DETECTOR.
ES183499Y (en)	1974-05-01	GAS DETECTOR DEVICE.
ES148583Y (en)	1970-04-16	COMPENSATED BILAMIC ELEMENTS FIRE DETECTOR.
BE781859A (en)	1972-07-31	EEN AUTOMATISCH DIAWISSELAARS-RELAIS.