JPS55462A - Optical scatter type smoke sensor - Google Patents

Optical scatter type smoke sensor

Info

Publication number
JPS55462A
JPS55462A JP1365279A JP1365279A JPS55462A JP S55462 A JPS55462 A JP S55462A JP 1365279 A JP1365279 A JP 1365279A JP 1365279 A JP1365279 A JP 1365279A JP S55462 A JPS55462 A JP S55462A
Authority
JP
Japan
Prior art keywords
dark box
smoke sensor
type smoke
members
optical scatter
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.)
Granted
Application number
JP1365279A
Other languages
English (en)
Japanese (ja)
Other versions
JPH033277B2 (en]
Inventor
Mitsuo Hasegawa
Yoshinori Shinohara
Takashi Suzuki
Akira Yokota
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.)
Nittan Co Ltd
Original Assignee
Nittan Co Ltd
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 Nittan Co Ltd filed Critical Nittan Co Ltd
Priority to JP1365279A priority Critical patent/JPS55462A/ja
Publication of JPS55462A publication Critical patent/JPS55462A/ja
Publication of JPH033277B2 publication Critical patent/JPH033277B2/ja
Granted legal-status Critical Current

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
    • 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)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
JP1365279A 1979-02-08 1979-02-08 Optical scatter type smoke sensor Granted JPS55462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1365279A JPS55462A (en) 1979-02-08 1979-02-08 Optical scatter type smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1365279A JPS55462A (en) 1979-02-08 1979-02-08 Optical scatter type smoke sensor

Publications (2)

Publication Number Publication Date
JPS55462A true JPS55462A (en) 1980-01-05
JPH033277B2 JPH033277B2 (en]) 1991-01-18

Family

ID=11839144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1365279A Granted JPS55462A (en) 1979-02-08 1979-02-08 Optical scatter type smoke sensor

Country Status (1)

Country Link
JP (1) JPS55462A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0337592U (en]) * 1989-08-24 1991-04-11
DE102006000271B4 (de) 2005-06-06 2018-06-21 Kabushiki Kaisha Toyota Jidoshokki Verdichtungszündungs-Brennkraftmaschine mit homogener Ladung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681603A (en) * 1969-05-19 1972-08-01 Cerberus Ag Smoke detector with at least one smoke measuring chamber

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681603A (en) * 1969-05-19 1972-08-01 Cerberus Ag Smoke detector with at least one smoke measuring chamber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0337592U (en]) * 1989-08-24 1991-04-11
DE102006000271B4 (de) 2005-06-06 2018-06-21 Kabushiki Kaisha Toyota Jidoshokki Verdichtungszündungs-Brennkraftmaschine mit homogener Ladung

Also Published As

Publication number Publication date
JPH033277B2 (en]) 1991-01-18

Similar Documents

Publication Publication Date Title
DE2965003D1 (en) Diaphragm carburetor with manual primer
DE2965754D1 (en) Light diffuser
FR2349152A1 (fr) Objectif a focale variable avec dispositif de reglage
BR8001764A (pt) Painel de circuito formado com um descarregador de centelhas
IT8025930A0 (it) Lampada ad alogenuri metallici contenente thi4 con aggiunti cadmio o zinco elementari.
JPS54155032A (en) Scanning type light illuminator
IL58277A0 (en) Periscopic sight with a unitary lens system
JPS55462A (en) Optical scatter type smoke sensor
BE865598A (fr) Appareil d'eclairage avec deflecteur
DD133137A5 (de) Lukenabdeckung mit mindestens drei unmittelbar faltbar aneinander angelenkten deckeln
USD257989S (en) Drum
JPS52100277A (en) Absorption photometer
JPS57101471A (en) Read-in system
ES459022A1 (es) Perfeccionamientos introducidos en un sistema de iluminacionde la trayectoria de aproximacion en el aterrizaje de aero- planos.
JPS5536785A (en) Scattered light type smoke sensor
JPS544119A (en) Camera with collapsible lens mount
FR2444385B1 (fr) Appareil recepteur de television en couleur a reperage de faisceau
BR8007301A (pt) Instalacao de envernizamento com cabines de envernizamento atravessadas por ar
BR7804964A (pt) Captor solar com circulacao de ar
FR2430701B1 (fr) Appareil recepteur de television en couleur a reperage de faisceau
USD256104S (en) Aircraft warning light
JPS52116100A (en) Light reducing smoke sensor
JPS55154779A (en) Phototransistor
JPS5399899A (en) Smoke sensor
NL189397B (nl) Eierdoos met zichtopening.