JPH11224387A - 減光式煙感知器 - Google Patents

減光式煙感知器

Info

Publication number
JPH11224387A
JPH11224387A JP10024358A JP2435898A JPH11224387A JP H11224387 A JPH11224387 A JP H11224387A JP 10024358 A JP10024358 A JP 10024358A JP 2435898 A JP2435898 A JP 2435898A JP H11224387 A JPH11224387 A JP H11224387A
Authority
JP
Japan
Prior art keywords
light
level
emission control
light emission
light receiving
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.)
Pending
Application number
JP10024358A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11224387A5 (enExample
Inventor
Satoshi Nakajima
悟史 中島
Isao Asano
功 浅野
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Corp filed Critical Hochiki Corp
Priority to JP10024358A priority Critical patent/JPH11224387A/ja
Priority to GB9900810A priority patent/GB2334096B/en
Priority to US09/231,074 priority patent/US6094143A/en
Priority to DE19904535A priority patent/DE19904535A1/de
Priority to AU15428/99A priority patent/AU750314B2/en
Priority to CH00217/99A priority patent/CH694649A5/de
Publication of JPH11224387A publication Critical patent/JPH11224387A/ja
Publication of JPH11224387A5 publication Critical patent/JPH11224387A5/ja
Pending 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
    • 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
    • G08B29/18—Prevention or correction of operating errors

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)
JP10024358A 1998-02-05 1998-02-05 減光式煙感知器 Pending JPH11224387A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP10024358A JPH11224387A (ja) 1998-02-05 1998-02-05 減光式煙感知器
GB9900810A GB2334096B (en) 1998-02-05 1999-01-14 Light obstruction type smoke sensor
US09/231,074 US6094143A (en) 1998-02-05 1999-01-14 Light obstruction type smoke sensor
DE19904535A DE19904535A1 (de) 1998-02-05 1999-02-04 Lichthindernis-Rauchsensor
AU15428/99A AU750314B2 (en) 1998-02-05 1999-02-04 Light obstruction type smoke sensor
CH00217/99A CH694649A5 (de) 1998-02-05 1999-02-05 Rauchsensor des Lichtstörungstyps.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10024358A JPH11224387A (ja) 1998-02-05 1998-02-05 減光式煙感知器

Publications (2)

Publication Number Publication Date
JPH11224387A true JPH11224387A (ja) 1999-08-17
JPH11224387A5 JPH11224387A5 (enExample) 2005-08-18

Family

ID=12135984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10024358A Pending JPH11224387A (ja) 1998-02-05 1998-02-05 減光式煙感知器

Country Status (6)

Country Link
US (1) US6094143A (enExample)
JP (1) JPH11224387A (enExample)
AU (1) AU750314B2 (enExample)
CH (1) CH694649A5 (enExample)
DE (1) DE19904535A1 (enExample)
GB (1) GB2334096B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003016546A (ja) * 2001-06-29 2003-01-17 Nittan Co Ltd 光電分離型煙感知器および防災システム
KR102508926B1 (ko) * 2022-06-09 2023-03-14 (주)전원테크 광전식 화재감지기의 수명을 관리할 수 있는 화재감시 시스템

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60210738T2 (de) * 2002-01-16 2007-04-12 Leeds Electronic Eng. Ltd. Diebstahlschutzalarm mit reduzierter Verdrahtung
US8021469B2 (en) * 2005-07-14 2011-09-20 Access Business Group International Llc Control methods for an air treatment system
DE202007013986U1 (de) * 2007-10-05 2008-02-07 Cedes Ag Vorrichtung zur Steuerung eines angetriebenen Bewegungselements, insbesondere einer Tür oder eines Tores
CN106155861A (zh) * 2015-04-22 2016-11-23 鸿富锦精密工业(武汉)有限公司 电子设备报警电路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2074721B (en) * 1980-04-23 1983-09-07 Furnace Construction Co Ltd Smoke sensor apparatus
GB2095821B (en) * 1981-03-17 1985-08-21 Malinowski William J Self-calibrating smoke detector and method
JPS60144458U (ja) * 1984-03-05 1985-09-25 ホーチキ株式会社 火災検出装置
JPS61247918A (ja) * 1985-04-26 1986-11-05 Hochiki Corp アナログセンサの出力補正装置
GB9212060D0 (en) * 1992-06-04 1992-07-22 Appleby David Obscuration sensor
JP3231886B2 (ja) * 1993-03-31 2001-11-26 能美防災株式会社 光電式火災感知器
EP0629983A1 (en) * 1993-06-02 1994-12-21 David Appleby Obscuration type smoke detector
US5546074A (en) * 1993-08-19 1996-08-13 Sentrol, Inc. Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy
FR2723233B1 (fr) * 1994-07-29 1996-10-04 Lewiner Jacques Perfectionnements aux detecteurs optiques de fumees
GB2314618B (en) * 1996-06-26 1999-12-29 David Appleby Smoke detector using light scatter and extinction
US5705988A (en) * 1996-07-08 1998-01-06 Detection Systems, Inc. Photoelectric smoke detector with count based A/D and D/A converter
US5831537A (en) * 1997-10-27 1998-11-03 Slc Technologies, Inc. Electrical current saving combined smoke and fire detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003016546A (ja) * 2001-06-29 2003-01-17 Nittan Co Ltd 光電分離型煙感知器および防災システム
KR102508926B1 (ko) * 2022-06-09 2023-03-14 (주)전원테크 광전식 화재감지기의 수명을 관리할 수 있는 화재감시 시스템

Also Published As

Publication number Publication date
GB2334096A (en) 1999-08-11
DE19904535A1 (de) 1999-08-12
CH694649A5 (de) 2005-05-13
US6094143A (en) 2000-07-25
AU1542899A (en) 1999-08-26
GB2334096B (en) 2002-05-29
AU750314B2 (en) 2002-07-18

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