DK122549B - Røgdetektor med en visuel funktionsovervågningskontrol. - Google Patents

Røgdetektor med en visuel funktionsovervågningskontrol.

Info

Publication number
DK122549B
DK122549B DK591767AA DK591767A DK122549B DK 122549 B DK122549 B DK 122549B DK 591767A A DK591767A A DK 591767AA DK 591767 A DK591767 A DK 591767A DK 122549 B DK122549 B DK 122549B
Authority
DK
Denmark
Prior art keywords
monitoring control
smoke detector
visual function
function monitoring
visual
Prior art date
Application number
DK591767AA
Other languages
English (en)
Inventor
C Eaton
W Cozens
Original Assignee
Kidde & Co Walter
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.)
Filing date
Publication date
Application filed by Kidde & Co Walter filed Critical Kidde & Co Walter
Publication of DK122549B publication Critical patent/DK122549B/da

Links

Classifications

    • 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
    • G08B17/103—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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (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)
DK591767AA 1966-11-28 1967-11-27 Røgdetektor med en visuel funktionsovervågningskontrol. DK122549B (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5322666 1966-11-28
GB39985/67A GB1179409A (en) 1966-11-28 1966-11-28 Improvements in or relating to Smoke Detectors
US69032067A 1967-12-13 1967-12-13

Publications (1)

Publication Number Publication Date
DK122549B true DK122549B (da) 1972-03-13

Family

ID=27259603

Family Applications (1)

Application Number Title Priority Date Filing Date
DK591767AA DK122549B (da) 1966-11-28 1967-11-27 Røgdetektor med en visuel funktionsovervågningskontrol.

Country Status (8)

Country Link
US (1) US3504184A (da)
BE (1) BE707196A (da)
DE (1) DE1673329A1 (da)
DK (1) DK122549B (da)
FR (1) FR1547849A (da)
GB (1) GB1179409A (da)
NL (1) NL6716159A (da)
SE (1) SE343969B (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2036476A5 (da) * 1969-03-13 1970-12-24 Guigues Frederic
US3678511A (en) * 1969-12-09 1972-07-18 Elmer M Benedict Alarm circuit
US3805066A (en) * 1972-08-14 1974-04-16 T Chijuma Smoke detecting device utilizing optical fibers
JPS4946484A (da) * 1972-09-05 1974-05-04
US3870417A (en) * 1973-07-17 1975-03-11 Whirlpool Co Sensor for dishwasher
US3936814A (en) * 1974-04-29 1976-02-03 Bernz-O-Matic Corporation Smoke detector and alarm
JPS5166891A (ja) * 1974-12-06 1976-06-09 Nippon Steel Corp Renzokushikibiryoyunodosokuteisochi
US11293865B2 (en) 2016-11-11 2022-04-05 Carrier Corporation High sensitivity fiber optic based detection
EP3584774A1 (de) 2018-06-19 2019-12-25 Wagner Group GmbH Streulichtdetektor und ansaugbranderkennungssystem mit einem streulichtdetektor
DE102018125494A1 (de) * 2018-10-15 2020-04-16 Bombardier Transportation Gmbh Rauchmelder zum streckenweisen Detektieren von Rauch, sowie Fahrzeug aufweisend einen Rauchmelder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256595A (en) * 1939-07-13 1941-09-23 Photoswitch Inc Photoelectric system
US2306588A (en) * 1940-01-23 1942-12-29 C O Two Fire Equipment Co Smoke detecting apparatus
US2291776A (en) * 1941-01-16 1942-08-04 Wager Robert Hudson Combined smoke observation device and photoelectric indicating means
US2410104A (en) * 1942-08-27 1946-10-29 Fed Telephone & Radio Corp Light directing device
US2892378A (en) * 1955-04-26 1959-06-30 Gen Electric Indicating turbidimeter
US3045223A (en) * 1959-07-08 1962-07-17 Chicago Aerial Ind Inc Device for detecting the presence of foreign material
US3168218A (en) * 1962-09-18 1965-02-02 Waukesha Foundry Co Metering device with opaqueness responsive shutoff

Also Published As

Publication number Publication date
US3504184A (en) 1970-03-31
FR1547849A (fr) 1968-11-29
DE1673329A1 (de) 1972-03-02
GB1179409A (en) 1970-01-28
BE707196A (da) 1968-04-01
NL6716159A (da) 1968-05-29
SE343969B (da) 1972-03-20

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