JPS648783B2 - - Google Patents

Info

Publication number
JPS648783B2
JPS648783B2 JP21891882A JP21891882A JPS648783B2 JP S648783 B2 JPS648783 B2 JP S648783B2 JP 21891882 A JP21891882 A JP 21891882A JP 21891882 A JP21891882 A JP 21891882A JP S648783 B2 JPS648783 B2 JP S648783B2
Authority
JP
Japan
Prior art keywords
light
test
light emitting
smoke detection
output
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
JP21891882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59108940A (ja
Inventor
Shunichi Morita
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.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai Kogyo Co Ltd
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 Nohmi Bosai Kogyo Co Ltd filed Critical Nohmi Bosai Kogyo Co Ltd
Priority to JP21891882A priority Critical patent/JPS59108940A/ja
Priority to EP19830112561 priority patent/EP0113461B1/en
Priority to DE8383112561T priority patent/DE3380327D1/de
Publication of JPS59108940A publication Critical patent/JPS59108940A/ja
Publication of JPS648783B2 publication Critical patent/JPS648783B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP21891882A 1982-12-14 1982-12-14 散乱光式煙感知器の機能試験装置 Granted JPS59108940A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP21891882A JPS59108940A (ja) 1982-12-14 1982-12-14 散乱光式煙感知器の機能試験装置
EP19830112561 EP0113461B1 (en) 1982-12-14 1983-12-14 Functional test means of light scattering type smoke detector
DE8383112561T DE3380327D1 (en) 1982-12-14 1983-12-14 Functional test means of light scattering type smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21891882A JPS59108940A (ja) 1982-12-14 1982-12-14 散乱光式煙感知器の機能試験装置

Related Child Applications (4)

Application Number Title Priority Date Filing Date
JP2016734A Division JPH0695358B2 (ja) 1990-01-26 1990-01-26 散乱光式煙感知器の機能試験装置
JP2016735A Division JPH0695359B2 (ja) 1990-01-26 1990-01-26 散乱光式煙感知器の機能試験装置
JP1673690A Division JPH02230396A (ja) 1990-01-26 1990-01-26 散乱光式煙感知器の機能試験装置
JP2016737A Division JPH0695360B2 (ja) 1990-01-26 1990-01-26 散乱光式煙感知器の機能試験装置

Publications (2)

Publication Number Publication Date
JPS59108940A JPS59108940A (ja) 1984-06-23
JPS648783B2 true JPS648783B2 (en]) 1989-02-15

Family

ID=16727355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21891882A Granted JPS59108940A (ja) 1982-12-14 1982-12-14 散乱光式煙感知器の機能試験装置

Country Status (3)

Country Link
EP (1) EP0113461B1 (en])
JP (1) JPS59108940A (en])
DE (1) DE3380327D1 (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0248957A1 (en) * 1986-06-12 1987-12-16 Pittway Corporation Self-testing combustion products detector
JPS61247918A (ja) * 1985-04-26 1986-11-05 Hochiki Corp アナログセンサの出力補正装置
JPH023891A (ja) * 1988-06-16 1990-01-09 Nohmi Bosai Ltd 火災警報装置における汚れ補正方法とその装置
JP2549442B2 (ja) * 1989-08-12 1996-10-30 松下電工株式会社 光電式煙感知器
GB2273769B (en) * 1992-12-15 1996-08-28 Stephen Henry Ellwood Proportional light scattering sensor
JP3213211B2 (ja) * 1995-07-20 2001-10-02 ホーチキ株式会社 光電式煙感知器
DE19912911C2 (de) * 1999-03-22 2001-07-19 Schako Metallwarenfabrik Vorrichtung zur Erkennung von Rauch

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627064A (en) * 1950-07-15 1953-01-27 C O Two Fire Equipment Co Smoke detector testing means
GB949651A (en) * 1961-12-27 1964-02-19 Pyrene Co Ltd Improvements in or relating to photo-electric indicator circuits
DE1277710B (de) * 1965-07-26 1968-09-12 Honeywell Inc Selbstpruefende Einrichtung mit einem Zustandsfuehler
JPS5526515B2 (en]) * 1974-03-04 1980-07-14
US4053785A (en) * 1976-01-07 1977-10-11 General Signal Corporation Optical smoke detector with smoke effect simulating means
JPS5397481A (en) * 1977-02-05 1978-08-25 Kokusai Gijutsu Kaihatsu Kk Smoke detector
US4232307A (en) * 1978-12-18 1980-11-04 American District Telegraph Company Electrical test circuit for optical particle detector
JPS56100342A (en) * 1980-01-14 1981-08-12 Matsushita Electric Works Ltd Photoelectric type smoke sensor

Also Published As

Publication number Publication date
EP0113461A2 (en) 1984-07-18
EP0113461A3 (en) 1986-10-01
JPS59108940A (ja) 1984-06-23
DE3380327D1 (en) 1989-09-07
EP0113461B1 (en) 1989-08-02

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