IT1000987B - Rivelatore ottico di fumo con foto cellula - Google Patents

Rivelatore ottico di fumo con foto cellula

Info

Publication number
IT1000987B
IT1000987B IT9712/73A IT971273A IT1000987B IT 1000987 B IT1000987 B IT 1000987B IT 9712/73 A IT9712/73 A IT 9712/73A IT 971273 A IT971273 A IT 971273A IT 1000987 B IT1000987 B IT 1000987B
Authority
IT
Italy
Prior art keywords
smoke detector
photo cell
optical smoke
optical
photo
Prior art date
Application number
IT9712/73A
Other languages
English (en)
Italian (it)
Inventor
D Steele
E Brunn
Original Assignee
Electro Signal Lab
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 Electro Signal Lab filed Critical Electro Signal Lab
Application granted granted Critical
Publication of IT1000987B publication Critical patent/IT1000987B/it

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
IT9712/73A 1973-07-24 1973-12-06 Rivelatore ottico di fumo con foto cellula IT1000987B (it)

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
IT1000987B true IT1000987B (it) 1976-04-10

Family

ID=23507370

Family Applications (1)

Application Number Title Priority Date Filing Date
IT9712/73A IT1000987B (it) 1973-07-24 1973-12-06 Rivelatore ottico di fumo con foto cellula

Country Status (7)

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

Families Citing this family (17)

* 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
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
JP2010271894A (ja) * 2009-05-21 2010-12-02 Panasonic Electric Works Co Ltd 煙検知式警報器
EP2486553B1 (de) * 2009-10-05 2015-04-15 Cavius APS Rauchmelder
EP2752828A4 (de) * 2011-08-29 2015-06-03 Fenwal Controls Japan Ltd Fotoelektrischer rauchmelder
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

Also Published As

Publication number Publication date
CA1022644A (en) 1977-12-13
US3863076A (en) 1975-01-28
GB1434808A (en) 1976-05-05
FR2239169A5 (de) 1975-02-21
DE2358706A1 (de) 1975-02-06
JPS5034872A (de) 1975-04-03

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