DK142735C - - Google Patents

Info

Publication number
DK142735C
DK142735C DK217873A DK217873A DK142735C DK 142735 C DK142735 C DK 142735C DK 217873 A DK217873 A DK 217873A DK 217873 A DK217873 A DK 217873A DK 142735 C DK142735 C DK 142735C
Authority
DK
Denmark
Application number
DK217873A
Other languages
Danish (da)
Other versions
DK142735B (en
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 DK142735B publication Critical patent/DK142735B/en
Application granted granted Critical
Publication of DK142735C publication Critical patent/DK142735C/da

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—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)
DK217873AA 1972-04-24 1973-04-18 Detector for indicating burning or glowing particles. DK142735B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE05380/72A SE364588B (en) 1972-04-24 1972-04-24
SE538072 1972-04-24

Publications (2)

Publication Number Publication Date
DK142735B DK142735B (en) 1981-01-05
DK142735C true DK142735C (en) 1981-08-10

Family

ID=20266340

Family Applications (1)

Application Number Title Priority Date Filing Date
DK217873AA DK142735B (en) 1972-04-24 1973-04-18 Detector for indicating burning or glowing particles.

Country Status (8)

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

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 (en) * 1978-12-07 1985-02-14 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Fire alarm
US4520343A (en) * 1980-12-16 1985-05-28 Hiroshi Koh Lift control system
JPS57125496A (en) * 1981-01-27 1982-08-04 Fujitec Kk Condition detector
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 (en) * 1993-10-08 1994-11-21 Firefly Ab detector arrangement
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 (en) * 1998-12-29 2001-09-03 Firefly Ab Detector arrangement for detecting particles that may cause fire or explosion in a particle stream
DE10249743A1 (en) * 2002-10-25 2004-05-06 Forschungsgesellschaft für angewandte Systemsicherheit und Arbeitsmedizin e.V. Device for detecting smoldering nests
EP2244237B1 (en) 2009-04-21 2012-07-04 Minimax GmbH & Co. KG Device for recognising and reporting sparks of combustible materials
US9162095B2 (en) 2011-03-09 2015-10-20 Alan E. Thomas Temperature-based fire detection
ES2978879T3 (en) * 2013-12-03 2024-09-23 Atexon Oy Spark detection
SE541639C2 (en) 2018-02-23 2019-11-19 Firefly Ab Determination of risk level for particles
SE541656C2 (en) 2018-02-23 2019-11-19 Firefly Ab Monitoring of particle temperature trends

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
FI60615B (en) 1981-10-30
FR2182486A5 (en) 1973-12-07
DE2319033B2 (en) 1977-09-22
NO131525B (en) 1975-03-03
DE2319033C3 (en) 1978-05-11
DK142735B (en) 1981-01-05
US3824392A (en) 1974-07-16
SE364588B (en) 1974-02-25
GB1397158A (en) 1975-06-11
FI60615C (en) 1982-02-10
DE2319033A1 (en) 1973-11-15
NO131525C (en) 1975-06-11

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Legal Events

Date Code Title Description
PUP Patent expired