ES412391A1 - Perfeccionamientos en detectores de humo. - Google Patents

Perfeccionamientos en detectores de humo.

Info

Publication number
ES412391A1
ES412391A1 ES412391A ES412391A ES412391A1 ES 412391 A1 ES412391 A1 ES 412391A1 ES 412391 A ES412391 A ES 412391A ES 412391 A ES412391 A ES 412391A ES 412391 A1 ES412391 A1 ES 412391A1
Authority
ES
Spain
Prior art keywords
smoke
light
source
cell
fire detector
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES412391A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LA DETECTION ELECTRONIQUE FRANCAISE PROTECBAT
Original Assignee
LA DETECTION ELECTRONIQUE FRANCAISE PROTECBAT
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
Priority claimed from FR7207812A external-priority patent/FR2175265A5/fr
Priority claimed from FR7219006A external-priority patent/FR2185931A6/fr
Application filed by LA DETECTION ELECTRONIQUE FRANCAISE PROTECBAT filed Critical LA DETECTION ELECTRONIQUE FRANCAISE PROTECBAT
Publication of ES412391A1 publication Critical patent/ES412391A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • 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

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
ES412391A 1972-03-07 1973-03-07 Perfeccionamientos en detectores de humo. Expired ES412391A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7207812A FR2175265A5 (ko) 1972-03-07 1972-03-07
FR7219006A FR2185931A6 (ko) 1972-05-26 1972-05-26

Publications (1)

Publication Number Publication Date
ES412391A1 true ES412391A1 (es) 1976-01-16

Family

ID=26216960

Family Applications (1)

Application Number Title Priority Date Filing Date
ES412391A Expired ES412391A1 (es) 1972-03-07 1973-03-07 Perfeccionamientos en detectores de humo.

Country Status (8)

Country Link
US (1) US3922655A (ko)
BE (1) BE796166A (ko)
CH (1) CH566059A5 (ko)
DD (1) DD105339A5 (ko)
ES (1) ES412391A1 (ko)
GB (1) GB1427092A (ko)
IT (1) IT981112B (ko)
NL (1) NL7303147A (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001800A (en) * 1974-06-24 1977-01-04 Gentex Company Smoke detecting device
US4091364A (en) * 1974-09-09 1978-05-23 Unitec, Inc. Combustion detection device
US4011458A (en) * 1975-10-09 1977-03-08 Pyrotector, Incorporated Photoelectric detector with light source intensity regulation
US4038649A (en) * 1975-09-16 1977-07-26 Emhart Industries, Inc. Smoke detection alarm device
US4025915A (en) * 1975-10-06 1977-05-24 Electro Signal Lab, Inc. LED smoke detector circuit
DE2709487A1 (de) * 1976-03-17 1977-09-22 Nohmi Bosai Kogyo Co Ltd Brandmelder
CH600456A5 (ko) * 1976-12-23 1978-06-15 Cerberus Ag
JPS5432182U (ko) * 1977-08-05 1979-03-02
US4155653A (en) * 1977-10-14 1979-05-22 The United States Of America As Represented By The Secretary Of The Navy Smoke-measuring transducer
JPS5462800A (en) * 1977-10-28 1979-05-21 Nittan Co Ltd Light type smoke sensor having trouble detecting function
US4227191A (en) * 1978-02-21 1980-10-07 Samuel Raber Light emitting smoke detector
US4242673A (en) * 1978-03-13 1980-12-30 American District Telegraph Company Optical particle detector
US4249169A (en) * 1979-05-18 1981-02-03 Malinowski William J Optical smoke detector
CH655396B (ko) * 1981-11-11 1986-04-15
US4680576A (en) * 1982-11-29 1987-07-14 Gentex Corporation Photoelectric smoke detector and alarm system
US6876305B2 (en) * 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
WO2004019294A2 (en) * 2002-08-23 2004-03-04 General Electric Company Rapidly responding, false detection immune alarm signal producing smoke detector
US7564365B2 (en) * 2002-08-23 2009-07-21 Ge Security, Inc. Smoke detector and method of detecting smoke

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1828894A (en) * 1928-10-30 1931-10-27 Kidde & Co Walter Supervisory system for detecting suspended matter in fluids
US2537028A (en) * 1945-10-02 1951-01-09 C O Two Fire Equipment Co Smoke detector and signal
US2437071A (en) * 1945-10-02 1948-03-02 C O Two Fire Equipment Co Multiple smoke detector
US3226703A (en) * 1962-11-19 1965-12-28 Sam M Finkle Fire detecting device
US3409885A (en) * 1964-03-26 1968-11-05 Guardian Industries Smoke detection apparatus
US3474435A (en) * 1966-10-11 1969-10-21 Vericon Inc Vapor or particle detection devices
US3655289A (en) * 1971-01-22 1972-04-11 Susquehanna Corp Opacity meter with noise suppression
US3727056A (en) * 1972-03-03 1973-04-10 Electro Signal Lab Photon couplers with solid state lamps

Also Published As

Publication number Publication date
IT981112B (it) 1974-10-10
BE796166A (fr) 1973-07-02
NL7303147A (ko) 1973-09-11
GB1427092A (en) 1976-03-03
US3922655A (en) 1975-11-25
CH566059A5 (ko) 1975-08-29
DD105339A5 (ko) 1974-04-12

Similar Documents

Publication Publication Date Title
ES412391A1 (es) Perfeccionamientos en detectores de humo.
MY7300266A (en) Glass coating of cubstrates
DE6607893U (de) Wasserdichtes uhrgehaeuse
CA920714A (en) Inexpensive light emitter-light detector package
SE388449B (sv) Botten till kellarlost bostadshus och forfarande for dess framstellning
CH526071A (fr) Réflecteur de projection et de réception de radiations
AU431422B2 (en) Desalinisation of water
NL140923B (nl) Lichtkoepel.
FR1520761A (fr) Détecteur d'eau électronique
BR6804289D0 (pt) Recipiente de reacao disponivel e secao superior de armazenamento do mesmo
FR1214367A (fr) Projecteur de radiations
BE759820A (fr) Dispositif pour la perception des rayons
CA930080A (en) Determination of neutron absorption and multiplication parameters for cluster-type fuel elements
CH519641A (de) Lichtkuppel
AU3716271A (en) Optical smoke detector
FR1498492A (fr) Dispositif antidéflagrant
CA762849A (en) Storage of soda ash slurries
CA759892A (en) Manufacture of photo-sensitive films
GB1191427A (en) Desulfurization of Flue Gas
FR1536348A (fr) Dispositif étanche de traversée de paroi
CA812480A (en) Exterior frost proof access to water and gas escape device
CA766147A (en) Manufacture of porous film
CA765163A (en) Capacitor goniometer compass
CH535877A (fr) Dispositif couvre-joint
CA990825A (en) Optical smoke detector