DE2358706A1 - Optisches rauchspuergeraet - Google Patents

Optisches rauchspuergeraet

Info

Publication number
DE2358706A1
DE2358706A1 DE2358706A DE2358706A DE2358706A1 DE 2358706 A1 DE2358706 A1 DE 2358706A1 DE 2358706 A DE2358706 A DE 2358706A DE 2358706 A DE2358706 A DE 2358706A DE 2358706 A1 DE2358706 A1 DE 2358706A1
Authority
DE
Germany
Prior art keywords
optical
smoke detector
block
darkroom
photocell
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.)
Withdrawn
Application number
DE2358706A
Other languages
German (de)
English (en)
Inventor
Robert Bruun Enemark
Donald Francis Steele
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.)
ELEKTRO SIGNAL LAB Inc
Original Assignee
ELEKTRO SIGNAL LAB Inc
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 ELEKTRO SIGNAL LAB Inc filed Critical ELEKTRO SIGNAL LAB Inc
Publication of DE2358706A1 publication Critical patent/DE2358706A1/de
Withdrawn legal-status Critical Current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)
DE2358706A 1973-07-24 1973-11-24 Optisches rauchspuergeraet Withdrawn DE2358706A1 (de)

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
DE2358706A1 true DE2358706A1 (de) 1975-02-06

Family

ID=23507370

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2358706A Withdrawn DE2358706A1 (de) 1973-07-24 1973-11-24 Optisches rauchspuergeraet

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
EP0718377A1 (de) 1994-12-22 1996-06-26 Chemische Fabrik Budenheim Rudolf A. Oetker Korrosionsschutzpigment und dessen Anwendung
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

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
JPS5229274A (en) * 1975-08-29 1977-03-04 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
JPS59182337A (ja) * 1983-03-31 1984-10-17 Matsushita Electric Works Ltd 煙検知器
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
JP2010271894A (ja) * 2009-05-21 2010-12-02 Panasonic Electric Works Co Ltd 煙検知式警報器
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

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
EP0718377A1 (de) 1994-12-22 1996-06-26 Chemische Fabrik Budenheim Rudolf A. Oetker Korrosionsschutzpigment und dessen Anwendung
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Also Published As

Publication number Publication date
US3863076A (en) 1975-01-28
IT1000987B (it) 1976-04-10
CA1022644A (en) 1977-12-13
JPS5034872A (enrdf_load_stackoverflow) 1975-04-03
FR2239169A5 (enrdf_load_stackoverflow) 1975-02-21
GB1434808A (en) 1976-05-05

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination