NO131525B - - Google Patents

Download PDF

Info

Publication number
NO131525B
NO131525B NO731672A NO167273A NO131525B NO 131525 B NO131525 B NO 131525B NO 731672 A NO731672 A NO 731672A NO 167273 A NO167273 A NO 167273A NO 131525 B NO131525 B NO 131525B
Authority
NO
Norway
Prior art keywords
detector
wire
light
particles
line
Prior art date
Application number
NO731672A
Other languages
English (en)
Norwegian (no)
Other versions
NO131525C (de
Inventor
K E Tibbling
Original Assignee
Pak Construction Ab
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 Pak Construction Ab filed Critical Pak Construction Ab
Publication of NO131525B publication Critical patent/NO131525B/no
Publication of NO131525C publication Critical patent/NO131525C/no

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
    • A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/04—Fire prevention, containment or extinguishing specially adapted for particular objects or places for dust or loosely-baled or loosely-piled materials, e.g. in silos, in chimneys

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
NO731672A 1972-04-24 1973-04-18 NO131525C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE05380/72A SE364588B (de) 1972-04-24 1972-04-24

Publications (2)

Publication Number Publication Date
NO131525B true NO131525B (de) 1975-03-03
NO131525C NO131525C (de) 1975-06-11

Family

ID=20266340

Family Applications (1)

Application Number Title Priority Date Filing Date
NO731672A NO131525C (de) 1972-04-24 1973-04-18

Country Status (8)

Country Link
US (1) US3824392A (de)
DE (1) DE2319033C3 (de)
DK (1) DK142735B (de)
FI (1) FI60615C (de)
FR (1) FR2182486A5 (de)
GB (1) GB1397158A (de)
NO (1) NO131525C (de)
SE (1) SE364588B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896311A (en) * 1974-01-02 1975-07-22 Minnesota Mining & Mfg Pyroelectric motion and temperature sensitive infrared detector with conductive fingers
US3958118A (en) * 1975-02-03 1976-05-18 Security Organization Supreme-Sos-Inc. Intrusion detection devices employing multiple scan zones
DE2852971C2 (de) * 1978-12-07 1985-02-14 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Feuermelder
JPS57125496A (en) * 1981-01-27 1982-08-04 Fujitec Kk Condition detector
US4520343A (en) * 1980-12-16 1985-05-28 Hiroshi Koh Lift control system
US5196689A (en) * 1990-10-16 1993-03-23 Pioneer Electronic Corporation Device for detecting an object including a light-sensitive detecting array
GB9215757D0 (en) * 1992-07-24 1992-09-09 Bridisco Ltd A pir sensor device
SE501123C2 (sv) * 1993-10-08 1994-11-21 Firefly Ab Detektorarrangemang
US5548276A (en) 1993-11-30 1996-08-20 Alan E. Thomas Localized automatic fire extinguishing apparatus
USRE39081E1 (en) * 1993-11-30 2006-05-02 Alan E. Thomas Localized automatic fire extinguishing apparatus
SE515579C2 (sv) * 1998-12-29 2001-09-03 Firefly Ab Detektorarrangemang för att detektera partiklar som kan orsaka brand eller explosion i en partikelström
DE10249743A1 (de) * 2002-10-25 2004-05-06 Forschungsgesellschaft für angewandte Systemsicherheit und Arbeitsmedizin e.V. Vorrichtung zum Erkennen von Glimmnestern
EP2244237B1 (de) 2009-04-21 2012-07-04 Minimax GmbH & Co. KG Vorrichtung zum Erkennen und Melden von Feuererscheinungen mit brennbaren Materialen
US9162095B2 (en) 2011-03-09 2015-10-20 Alan E. Thomas Temperature-based fire detection
EP2881719B1 (de) * 2013-12-03 2024-03-20 Atexon Oy Detektion von Zündfunken
SE541656C2 (en) 2018-02-23 2019-11-19 Firefly Ab Monitoring of particle temperature trends
SE541639C2 (en) * 2018-02-23 2019-11-19 Firefly Ab Determination of risk level for particles

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2016036A (en) * 1932-02-04 1935-10-01 Gerald Alan S Fits Photo-electric system
US2198725A (en) * 1937-12-09 1940-04-30 Hammond V Hayes Alarm system
US2653309A (en) * 1950-03-09 1953-09-22 Gen Electric Object detection
US2931913A (en) * 1953-01-02 1960-04-05 Jr Geary A Long Radiation receiver
US2774961A (en) * 1954-08-30 1956-12-18 Orlando Carl Moving object indicator
US3036219A (en) * 1958-05-01 1962-05-22 Arthur V Thompson Passive radiation proximity detector
US3727057A (en) * 1962-06-15 1973-04-10 Westinghouse Electric Corp Infrared detector device with a mosaic of oppositely-poled adjacent elements
US3480775A (en) * 1964-08-17 1969-11-25 Gen Dynamics Corp Radiation sensitive omnidirectional motion detector system
US3399307A (en) * 1965-05-20 1968-08-27 Bell & Howell Co Motion sensing exposure system for optical instruments

Also Published As

Publication number Publication date
DE2319033A1 (de) 1973-11-15
SE364588B (de) 1974-02-25
DK142735B (da) 1981-01-05
FI60615B (fi) 1981-10-30
DK142735C (de) 1981-08-10
FR2182486A5 (de) 1973-12-07
DE2319033B2 (de) 1977-09-22
GB1397158A (en) 1975-06-11
NO131525C (de) 1975-06-11
DE2319033C3 (de) 1978-05-11
US3824392A (en) 1974-07-16
FI60615C (fi) 1982-02-10

Similar Documents

Publication Publication Date Title
NO131525B (de)
US3994603A (en) Detection system to determine the transmissivity of a medium with respect to radiation, particularly the light transmissivity of smoke-contaminated air, for fire detection
US4701624A (en) Fire sensor system utilizing optical fibers for remote sensing
CA1120132A (en) Flame sensing system
US3824391A (en) Methods of and apparatus for flame monitoring
GB1112687A (en) Improvements in or relating to arrangements for testing blocks of cigarettes
JPS61195333A (ja) 微粒子状物の流れから異物を検出し取除く方法と装置
AU2017315603B2 (en) Measurement apparatus for the absorption measurement of gases
GB2066451A (en) Scattered-radiation smoke detector
US5120975A (en) Gas turbine flame detection system with reflected flame radiation attenuator
US3936648A (en) Flame monitoring apparatus
RU98107584A (ru) Сигнализатор дыма
US4124298A (en) Optical smoke detector inlet screen
US3566385A (en) Fire detecting apparatus sensitive to refraction
US3992110A (en) Multi-spectral optical comparator
US3723747A (en) Photoelectric detector with compensating photocell
GB2052736A (en) Scanning radiation from moving objects
RU2115865C1 (ru) Устройство контроля пламени горелки
JPH0849830A (ja) ゴミ焼却炉のゴミ質推定方式
USRE36094E (en) Optical space monitoring apparatus comprising light guiding fibers transmitting light through the space to be monitored
SU1729528A1 (ru) Устройство дл обнаружени тлеющих частиц в пневмотранспорте
RU8087U1 (ru) Устройство контроля пламени горелки
SU486251A1 (ru) Детектор аэрозолей
RU2121110C1 (ru) Устройство селективного контроля пламени горелки в камере сгорания огнетехнической установки
GB932298A (en) Improvements in apparatus adapted to distinguish between the presence of flame due to combustion of fuel discharged from a burner and the absence of the flame