JPS59172094A - 煙検出機能試験装置を備えた光電式煙感知器 - Google Patents

煙検出機能試験装置を備えた光電式煙感知器

Info

Publication number
JPS59172094A
JPS59172094A JP4668383A JP4668383A JPS59172094A JP S59172094 A JPS59172094 A JP S59172094A JP 4668383 A JP4668383 A JP 4668383A JP 4668383 A JP4668383 A JP 4668383A JP S59172094 A JPS59172094 A JP S59172094A
Authority
JP
Japan
Prior art keywords
output
circuit
gate
signal
becomes
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.)
Granted
Application number
JP4668383A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0441396B2 (en:Method
Inventor
俊一 森田
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 JP4668383A priority Critical patent/JPS59172094A/ja
Priority to DE8484102465T priority patent/DE3468286D1/de
Priority to EP19840102465 priority patent/EP0122432B1/en
Publication of JPS59172094A publication Critical patent/JPS59172094A/ja
Publication of JPH0441396B2 publication Critical patent/JPH0441396B2/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire Alarms (AREA)
JP4668383A 1983-03-21 1983-03-21 煙検出機能試験装置を備えた光電式煙感知器 Granted JPS59172094A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4668383A JPS59172094A (ja) 1983-03-21 1983-03-21 煙検出機能試験装置を備えた光電式煙感知器
DE8484102465T DE3468286D1 (en) 1983-03-21 1984-03-08 Photoelectric smoke detector equipped with smoke detecting function test means
EP19840102465 EP0122432B1 (en) 1983-03-21 1984-03-08 Photoelectric smoke detector equipped with smoke detecting function test means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4668383A JPS59172094A (ja) 1983-03-21 1983-03-21 煙検出機能試験装置を備えた光電式煙感知器

Publications (2)

Publication Number Publication Date
JPS59172094A true JPS59172094A (ja) 1984-09-28
JPH0441396B2 JPH0441396B2 (en:Method) 1992-07-08

Family

ID=12754171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4668383A Granted JPS59172094A (ja) 1983-03-21 1983-03-21 煙検出機能試験装置を備えた光電式煙感知器

Country Status (3)

Country Link
EP (1) EP0122432B1 (en:Method)
JP (1) JPS59172094A (en:Method)
DE (1) DE3468286D1 (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3671120D1 (de) * 1985-07-29 1990-06-13 Siemens Ag Verfahren und vorrichtung zur betriebsmaessigen ueberwachung optischer rauchmelder.
GB2326474A (en) * 1994-09-27 1998-12-23 Hochiki Co Projected beam type smoke detector and receiving unit
US5751216A (en) * 1994-09-27 1998-05-12 Hochiki Kabushiki Kaisha Projected beam-type smoke detector and receiving unit
CN100593179C (zh) * 2002-10-04 2010-03-03 瓦列里·瓦西里耶维奇·奥夫奇尼科夫 信号的形成和传送方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4963882U (en:Method) * 1972-09-16 1974-06-04
JPS507583A (en:Method) * 1973-05-17 1975-01-25
JPS5377199A (en) * 1976-12-20 1978-07-08 Matsushita Electric Ind Co Ltd Fire detector
JPS57102873U (en:Method) * 1980-12-15 1982-06-24
JPS57172495A (en) * 1981-04-15 1982-10-23 Nittan Co Ltd Select test circuit for fire sensor, etc.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306230A (en) * 1979-12-10 1981-12-15 Honeywell Inc. Self-checking photoelectric smoke detector
US4374329A (en) * 1981-04-24 1983-02-15 Pittway Corporation Smoke detector with test apparatus
DE3123451A1 (de) * 1981-06-12 1982-12-30 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur stoerungserkennung in gefahren-, insbesondere brandmeldeanlagen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4963882U (en:Method) * 1972-09-16 1974-06-04
JPS507583A (en:Method) * 1973-05-17 1975-01-25
JPS5377199A (en) * 1976-12-20 1978-07-08 Matsushita Electric Ind Co Ltd Fire detector
JPS57102873U (en:Method) * 1980-12-15 1982-06-24
JPS57172495A (en) * 1981-04-15 1982-10-23 Nittan Co Ltd Select test circuit for fire sensor, etc.

Also Published As

Publication number Publication date
DE3468286D1 (en) 1988-02-04
JPH0441396B2 (en:Method) 1992-07-08
EP0122432B1 (en) 1987-12-23
EP0122432A1 (en) 1984-10-24

Similar Documents

Publication Publication Date Title
EP1251473B1 (en) Communication system for hazard alarms
US4206449A (en) Multiple sensor intrusion alarm system
JP2898677B2 (ja) 通信ケーブル用ポータブル同一性確認装置
JPH0518159B2 (en:Method)
JPS59172094A (ja) 煙検出機能試験装置を備えた光電式煙感知器
US4032916A (en) Intrusion alarm cable supervision system
US3848241A (en) Test and integrity equipment for a mcculloh system
EP0294532A1 (en) Integrity securing monitor and method for a security installation
US4506255A (en) Operation test circuit for fire detectors
JPH0644854A (ja) スイッチの監視方法及び装置
US4271403A (en) Coaxial cable switching circuit
JP3563254B2 (ja) 火災報知設備および感知器
EP1555642B1 (en) Method for forming and transmitting signals
SU892560A1 (ru) Приемопередатчик дл высокочастотной защиты линий электропередачи
JPS58223895A (ja) 火災報知設備
SU1287164A1 (ru) Устройство дл контрол цифровых блоков
SU1689650A1 (ru) Устройство дл контрол датчиков газовой защиты
JP2724199B2 (ja) 感知器
JP2864166B2 (ja) 線路監視装置
JPS59148453A (ja) 遠隔監視システム
SU388249A1 (ru) Устройство для обнаружения и локализации сбоев и отказов бистабильных элементов
JP2713437B2 (ja) 通信システムの診断装置
JPS6058518B2 (ja) 監視制御伝送システムの自動断線検知方式
JPH0575155B2 (en:Method)
JPS5894095A (ja) 光電式煙感知器