DE69417692T2 - Vorrichtung für Feueralarm - Google Patents

Vorrichtung für Feueralarm

Info

Publication number
DE69417692T2
DE69417692T2 DE69417692T DE69417692T DE69417692T2 DE 69417692 T2 DE69417692 T2 DE 69417692T2 DE 69417692 T DE69417692 T DE 69417692T DE 69417692 T DE69417692 T DE 69417692T DE 69417692 T2 DE69417692 T2 DE 69417692T2
Authority
DE
Germany
Prior art keywords
alarm device
fire alarm
fire
alarm
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 - Fee Related
Application number
DE69417692T
Other languages
English (en)
Other versions
DE69417692D1 (de
Inventor
Toshikazu 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 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 Ltd filed Critical Nohmi Bosai Ltd
Publication of DE69417692D1 publication Critical patent/DE69417692D1/de
Application granted granted Critical
Publication of DE69417692T2 publication Critical patent/DE69417692T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
DE69417692T 1993-11-25 1994-11-18 Vorrichtung für Feueralarm Expired - Fee Related DE69417692T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29566893A JP3213661B2 (ja) 1993-11-25 1993-11-25 火災検出装置

Publications (2)

Publication Number Publication Date
DE69417692D1 DE69417692D1 (de) 1999-05-12
DE69417692T2 true DE69417692T2 (de) 1999-10-21

Family

ID=17823640

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417692T Expired - Fee Related DE69417692T2 (de) 1993-11-25 1994-11-18 Vorrichtung für Feueralarm

Country Status (6)

Country Link
US (1) US5671159A (de)
EP (1) EP0655720B1 (de)
JP (1) JP3213661B2 (de)
CN (1) CN1115652C (de)
AU (1) AU665917B2 (de)
DE (1) DE69417692T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59808963D1 (de) * 1997-10-21 2003-08-14 Siemens Ag Raumüberwachungssensor
US6351212B1 (en) * 1998-01-28 2002-02-26 Adam Q. Lynch System for monitoring operability of fire event sensors
GB9822956D0 (en) * 1998-10-20 1998-12-16 Vsd Limited Smoke detection
WO2009136895A1 (en) * 2008-05-08 2009-11-12 Utc Fire & Security System and method for video detection of smoke and flame
JP6197347B2 (ja) * 2013-04-24 2017-09-20 セイコーエプソン株式会社 電子機器及び物理量検出装置
JP2015036890A (ja) * 2013-08-13 2015-02-23 能美防災株式会社 光電式煙感知器および光電式煙感知器に用いられる火災診断処理方法
CN111882807B (zh) * 2020-06-22 2022-03-15 杭州后博科技有限公司 一种识别区域火灾发生地方法及系统
US11735020B2 (en) * 2021-08-24 2023-08-22 Mara Christine Drummond Combined heat-smoke detector with a shielding controlled by a thermal bolt containing a thermal element changing its state at a threshold temperature

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679156A (en) * 1981-05-21 1987-07-07 Santa Barbara Research Center Microprocessor-controlled fire sensor
DE3123451A1 (de) * 1981-06-12 1982-12-30 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur stoerungserkennung in gefahren-, insbesondere brandmeldeanlagen
FR2542116A1 (fr) * 1983-02-25 1984-09-07 Verdon Roger Dispositif d'elimination des fausses alarmes
JPS60144458U (ja) * 1984-03-05 1985-09-25 ホーチキ株式会社 火災検出装置
JPS6115300A (ja) * 1984-06-29 1986-01-23 ホーチキ株式会社 火災警報装置
JPS6139194A (ja) * 1984-07-31 1986-02-25 ホーチキ株式会社 火災警報装置
JPS6149297A (ja) * 1984-08-17 1986-03-11 ホーチキ株式会社 火災報知装置
JPS6219999A (ja) * 1985-07-18 1987-01-28 ホーチキ株式会社 火災報知装置
US5237512A (en) * 1988-12-02 1993-08-17 Detector Electronics Corporation Signal recognition and classification for identifying a fire
JP2758671B2 (ja) * 1989-01-20 1998-05-28 ホーチキ株式会社 火災判断装置
US5079422A (en) * 1989-09-06 1992-01-07 Gaztech Corporation Fire detection system using spatially cooperative multi-sensor input technique

Also Published As

Publication number Publication date
AU7899594A (en) 1995-06-08
US5671159A (en) 1997-09-23
AU665917B2 (en) 1996-01-18
DE69417692D1 (de) 1999-05-12
EP0655720A1 (de) 1995-05-31
EP0655720B1 (de) 1999-04-07
JP3213661B2 (ja) 2001-10-02
JPH07146989A (ja) 1995-06-06
CN1115652C (zh) 2003-07-23
CN1107986A (zh) 1995-09-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee