JPS6349716Y2 - - Google Patents

Info

Publication number
JPS6349716Y2
JPS6349716Y2 JP1983047877U JP4787783U JPS6349716Y2 JP S6349716 Y2 JPS6349716 Y2 JP S6349716Y2 JP 1983047877 U JP1983047877 U JP 1983047877U JP 4787783 U JP4787783 U JP 4787783U JP S6349716 Y2 JPS6349716 Y2 JP S6349716Y2
Authority
JP
Japan
Prior art keywords
light
receiving element
optical
smoke
optical trap
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
JP1983047877U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6013449U (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
Priority to JP1983047877U priority Critical patent/JPS6013449U/ja
Priority to US06/595,230 priority patent/US4596465A/en
Priority to GB08408239A priority patent/GB2137338B/en
Publication of JPS6013449U publication Critical patent/JPS6013449U/ja
Application granted granted Critical
Publication of JPS6349716Y2 publication Critical patent/JPS6349716Y2/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)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP1983047877U 1983-03-31 1983-03-31 散乱光式煙感知器の検煙部構造 Granted JPS6013449U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1983047877U JPS6013449U (ja) 1983-03-31 1983-03-31 散乱光式煙感知器の検煙部構造
US06/595,230 US4596465A (en) 1983-03-31 1984-03-30 Scattered light type smoke detector
GB08408239A GB2137338B (en) 1983-03-31 1984-03-30 Scattered light type smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983047877U JPS6013449U (ja) 1983-03-31 1983-03-31 散乱光式煙感知器の検煙部構造

Publications (2)

Publication Number Publication Date
JPS6013449U JPS6013449U (ja) 1985-01-29
JPS6349716Y2 true JPS6349716Y2 (US06826419-20041130-M00005.png) 1988-12-21

Family

ID=12787609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983047877U Granted JPS6013449U (ja) 1983-03-31 1983-03-31 散乱光式煙感知器の検煙部構造

Country Status (3)

Country Link
US (1) US4596465A (US06826419-20041130-M00005.png)
JP (1) JPS6013449U (US06826419-20041130-M00005.png)
GB (1) GB2137338B (US06826419-20041130-M00005.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60148688U (ja) * 1984-03-09 1985-10-02 ホーチキ株式会社 散乱光式煙感知器
JPS6153550A (ja) * 1984-08-23 1986-03-17 Nohmi Bosai Kogyo Co Ltd 光電式煙感知器
GB8502506D0 (en) * 1985-01-31 1985-03-06 Emi Ltd Smoke detector
GB8529435D0 (en) * 1985-11-29 1986-01-08 Gent Ltd Fire detector
GB2259761B (en) * 1991-09-18 1995-04-05 Graviner Ltd Kidde Smoke and particle detector
DE19902319B4 (de) * 1999-01-21 2011-06-30 Novar GmbH, Albstadt-Ebingen Zweigniederlassung Neuss, 41469 Streulichtbrandmelder
WO2001095279A1 (en) * 1999-03-05 2001-12-13 Brk Brands, Inc. Ultra-short wavelength photoelectric smoke detector
US6377183B1 (en) 1999-06-17 2002-04-23 The Boeing Company Smoke detector having a moisture compensating device
DE19955362B4 (de) * 1999-11-17 2004-07-08 Wagner Alarm- Und Sicherungssysteme Gmbh Streulichtdetektor
US6778091B2 (en) 2001-01-09 2004-08-17 Qualey, Iii James R. Smoke chamber
JP3934423B2 (ja) * 2002-01-11 2007-06-20 ホーチキ株式会社 散乱光式煙感知器
ITTO20070355A1 (it) * 2007-05-18 2008-11-19 Elkron Spa Dispositivo e metodo per rilevare fumo
US7733486B2 (en) * 2007-06-27 2010-06-08 Venturedyne, Ltd. Environmental sensor including a baffle
US9157854B2 (en) * 2011-06-30 2015-10-13 Hochiki Corporation Scattered light-type smoke detection apparatus
US9098988B2 (en) 2012-12-18 2015-08-04 Excelitas Technologies Philippines Inc. Integrated smoke cell
CN103966546B (zh) * 2014-04-29 2016-03-16 京东方科技集团股份有限公司 一种金属掩膜板
RU177379U1 (ru) * 2017-09-12 2018-02-19 Общество с ограниченной ответственностью "Группа компаний "РУБЕЖ" Извещатель пожарный дымовой
CN112119295A (zh) 2018-07-24 2020-12-22 报知希株式会社 火灾探测装置
JP7208730B2 (ja) * 2018-07-24 2023-01-19 ホーチキ株式会社 火災検出装置
US20230230468A1 (en) * 2022-01-19 2023-07-20 Johnson Controls Tyco IP Holdings LLP Smoke detector self-test

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863076A (en) * 1973-07-24 1975-01-28 Electro Signal Lab Optical smoke detector
US4216377A (en) * 1977-06-27 1980-08-05 Nittan Company, Limited Light scattering smoke detector
JPS5536785A (en) * 1978-09-07 1980-03-14 Omron Tateisi Electronics Co Scattered light type smoke sensor
DE2951459C2 (de) * 1979-12-20 1984-03-29 Heimann Gmbh, 6200 Wiesbaden Optische Anordnung für einen Rauchmelder nach dem Lichtstreuungsprinzip

Also Published As

Publication number Publication date
GB2137338A (en) 1984-10-03
GB8408239D0 (en) 1984-05-10
GB2137338B (en) 1987-04-23
US4596465A (en) 1986-06-24
JPS6013449U (ja) 1985-01-29

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