JPS5034872A - - Google Patents

Info

Publication number
JPS5034872A
JPS5034872A JP48131821A JP13182173A JPS5034872A JP S5034872 A JPS5034872 A JP S5034872A JP 48131821 A JP48131821 A JP 48131821A JP 13182173 A JP13182173 A JP 13182173A JP S5034872 A JPS5034872 A JP S5034872A
Authority
JP
Japan
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.)
Pending
Application number
JP48131821A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5034872A publication Critical patent/JPS5034872A/ja
Pending 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)
  • Fire-Detection Mechanisms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP48131821A 1973-07-24 1973-11-26 Pending JPS5034872A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US382058A US3863076A (en) 1973-07-24 1973-07-24 Optical smoke detector

Publications (1)

Publication Number Publication Date
JPS5034872A true JPS5034872A (enrdf_load_stackoverflow) 1975-04-03

Family

ID=23507370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48131821A Pending JPS5034872A (enrdf_load_stackoverflow) 1973-07-24 1973-11-26

Country Status (7)

Country Link
US (1) US3863076A (enrdf_load_stackoverflow)
JP (1) JPS5034872A (enrdf_load_stackoverflow)
CA (1) CA1022644A (enrdf_load_stackoverflow)
DE (1) DE2358706A1 (enrdf_load_stackoverflow)
FR (1) FR2239169A5 (enrdf_load_stackoverflow)
GB (1) GB1434808A (enrdf_load_stackoverflow)
IT (1) IT1000987B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229274A (en) * 1975-08-29 1977-03-04 Matsushita Electric Works Ltd Light scattering type smoke detector
JPS59182337A (ja) * 1983-03-31 1984-10-17 Matsushita Electric Works Ltd 煙検知器
JP2010271894A (ja) * 2009-05-21 2010-12-02 Panasonic Electric Works Co Ltd 煙検知式警報器

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985453A (en) * 1974-07-19 1976-10-12 Matsushita Electric Works, Ltd. Light scattering type smoke detector
US4053785A (en) * 1976-01-07 1977-10-11 General Signal Corporation Optical smoke detector with smoke effect simulating means
US4124298A (en) * 1977-03-14 1978-11-07 Electro Signal Lab, Inc. Optical smoke detector inlet screen
US4216377A (en) * 1977-06-27 1980-08-05 Nittan Company, Limited Light scattering smoke detector
US4249082A (en) * 1977-09-20 1981-02-03 Cybernet Electronics Corporation Photoelectric smoke sensor box
JPS6013449U (ja) * 1983-03-31 1985-01-29 ホーチキ株式会社 散乱光式煙感知器の検煙部構造
USD283407S (en) 1984-03-09 1986-04-15 Pittway Corporation Smoke detector
USD284272S (en) 1984-08-09 1986-06-17 Laurence Chen Ionization chamber for a smoke detector
JPS63163698A (ja) * 1986-12-26 1988-07-07 ホーチキ株式会社 散乱光式煙感知器
US4904988A (en) * 1989-03-06 1990-02-27 Nesbit Charles E Toy with a smoke detector
NO312911B1 (no) 1994-12-22 2002-07-15 Budenheim Rud A Oetker Chemie Antikorrosjonspigment og anvendelse av dette
US8933811B2 (en) * 2009-10-05 2015-01-13 Cavius Aps Smoke alarm
US9297753B2 (en) * 2011-08-29 2016-03-29 Fenwal Controls Of Japan, Ltd. Photoelectric smoke sensor
USD770929S1 (en) * 2014-06-26 2016-11-08 Life Safety Distribution Ag Optical block
DE102014019172B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537028A (en) * 1945-10-02 1951-01-09 C O Two Fire Equipment Co Smoke detector and signal
US2604597A (en) * 1949-02-03 1952-07-22 C O Two Fire Equipment Co Smoke detector
US3409885A (en) * 1964-03-26 1968-11-05 Guardian Industries Smoke detection apparatus
US3555532A (en) * 1968-10-29 1971-01-12 Graham Stuart Corp Vapor or particle detection device
DE2047997B2 (de) * 1970-09-30 1976-10-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronische einzel-eingabetaste
US3723747A (en) * 1971-06-03 1973-03-27 Electro Signal Lab Photoelectric detector with compensating photocell

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229274A (en) * 1975-08-29 1977-03-04 Matsushita Electric Works Ltd Light scattering type smoke detector
JPS59182337A (ja) * 1983-03-31 1984-10-17 Matsushita Electric Works Ltd 煙検知器
JP2010271894A (ja) * 2009-05-21 2010-12-02 Panasonic Electric Works Co Ltd 煙検知式警報器

Also Published As

Publication number Publication date
US3863076A (en) 1975-01-28
IT1000987B (it) 1976-04-10
DE2358706A1 (de) 1975-02-06
CA1022644A (en) 1977-12-13
FR2239169A5 (enrdf_load_stackoverflow) 1975-02-21
GB1434808A (en) 1976-05-05

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