NO850914L - Roekdetektor av den type som reagerer paa spredning av lys - Google Patents

Roekdetektor av den type som reagerer paa spredning av lys

Info

Publication number
NO850914L
NO850914L NO850914A NO850914A NO850914L NO 850914 L NO850914 L NO 850914L NO 850914 A NO850914 A NO 850914A NO 850914 A NO850914 A NO 850914A NO 850914 L NO850914 L NO 850914L
Authority
NO
Norway
Prior art keywords
light
smoke
smoke detector
dark chamber
section
Prior art date
Application number
NO850914A
Other languages
English (en)
Norwegian (no)
Inventor
Tetsuya Nagashima
Original Assignee
Hochiki Co
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 Hochiki Co filed Critical Hochiki Co
Publication of NO850914L publication Critical patent/NO850914L/no

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)
NO850914A 1984-03-09 1985-03-07 Roekdetektor av den type som reagerer paa spredning av lys NO850914L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984033961U JPS60148688U (ja) 1984-03-09 1984-03-09 散乱光式煙感知器

Publications (1)

Publication Number Publication Date
NO850914L true NO850914L (no) 1985-09-10

Family

ID=12401086

Family Applications (1)

Application Number Title Priority Date Filing Date
NO850914A NO850914L (no) 1984-03-09 1985-03-07 Roekdetektor av den type som reagerer paa spredning av lys

Country Status (5)

Country Link
JP (1) JPS60148688U (zh)
CH (1) CH662196A5 (zh)
DE (1) DE3507996A1 (zh)
GB (1) GB2158573A (zh)
NO (1) NO850914L (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0820363B2 (ja) * 1985-11-29 1996-03-04 ジエント リミテイド 火災検知器
GB9014015D0 (en) * 1990-06-23 1990-08-15 Dennis Peter N J Improvements in or relating to smoke detectors
DE4028188A1 (de) * 1990-09-05 1992-03-12 Esser Sicherheitstechnik Brandmelder mit einem streulicht- und einem ionisationssystem
US5164604A (en) * 1991-05-01 1992-11-17 Allied-Signal Inc. Multiport particle detection apparatus utilizing a plenum having a plurality of spatically separate channels in fluid combination
CN108416777B (zh) * 2018-03-16 2019-05-10 佛山市合能物联软件开发有限公司 车辆尾气黑度值计算方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50134172A (zh) * 1974-04-17 1975-10-24
JPS5258252A (en) * 1975-11-10 1977-05-13 Mitsubishi Heavy Ind Ltd Process for treating waste water
JPS5517349A (en) * 1978-07-24 1980-02-06 Rikagaku Kenkyusho Production of diterpene derivative
JPS5649995U (zh) * 1979-09-19 1981-05-02
JPS5653295U (zh) * 1979-09-29 1981-05-11
JPS56100342A (en) * 1980-01-14 1981-08-12 Matsushita Electric Works Ltd Photoelectric type smoke sensor
JPS6032186Y2 (ja) * 1981-07-28 1985-09-26 ティー・シー・エム株式会社 ロ−タリ除雪装置における金属異物検知装置
JPS605076Y2 (ja) * 1981-07-29 1985-02-15 勇 沼田 消波装置
JPS5840477U (ja) * 1981-09-14 1983-03-17 株式会社クボタ 歩行型移動農機
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

Also Published As

Publication number Publication date
JPH0435990Y2 (zh) 1992-08-25
JPS60148688U (ja) 1985-10-02
CH662196A5 (fr) 1987-09-15
GB8506035D0 (en) 1985-04-11
DE3507996A1 (de) 1985-10-10
GB2158573A (en) 1985-11-13

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