GB2129180B - Fire alarm systems - Google Patents

Fire alarm systems

Info

Publication number
GB2129180B
GB2129180B GB08328098A GB8328098A GB2129180B GB 2129180 B GB2129180 B GB 2129180B GB 08328098 A GB08328098 A GB 08328098A GB 8328098 A GB8328098 A GB 8328098A GB 2129180 B GB2129180 B GB 2129180B
Authority
GB
United Kingdom
Prior art keywords
fire alarm
alarm systems
systems
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
Application number
GB08328098A
Other languages
English (en)
Other versions
GB2129180A (en
GB8328098D0 (en
Inventor
Tetsuo Kimura
Seiichi Tanaka
Takashi Suzuki
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.)
Nittan Co Ltd
Original Assignee
Nittan 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Publication of GB8328098D0 publication Critical patent/GB8328098D0/en
Publication of GB2129180A publication Critical patent/GB2129180A/en
Application granted granted Critical
Publication of GB2129180B publication Critical patent/GB2129180B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
GB08328098A 1982-10-27 1983-10-20 Fire alarm systems Expired GB2129180B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57187495A JPS5977594A (ja) 1982-10-27 1982-10-27 火災警報システム

Publications (3)

Publication Number Publication Date
GB8328098D0 GB8328098D0 (en) 1983-11-23
GB2129180A GB2129180A (en) 1984-05-10
GB2129180B true GB2129180B (en) 1986-04-03

Family

ID=16207058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08328098A Expired GB2129180B (en) 1982-10-27 1983-10-20 Fire alarm systems

Country Status (7)

Country Link
US (1) US4525700A (OSRAM)
JP (1) JPS5977594A (OSRAM)
AU (1) AU555669B2 (OSRAM)
DE (1) DE3338711C2 (OSRAM)
FR (1) FR2535493B1 (OSRAM)
GB (1) GB2129180B (OSRAM)
SE (1) SE456198B (OSRAM)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154596A (ja) * 1984-08-25 1986-03-18 松下電工株式会社 自火報システム
JPS61170899A (ja) * 1985-01-25 1986-08-01 ニツタン株式会社 防災設備の集中監視方式
JPH079680B2 (ja) * 1985-04-01 1995-02-01 ホーチキ株式会社 アナログ火災報知装置
JPS61237197A (ja) * 1985-04-12 1986-10-22 ホーチキ株式会社 火災警報装置
JPS61247918A (ja) * 1985-04-26 1986-11-05 Hochiki Corp アナログセンサの出力補正装置
JPS6252699A (ja) * 1985-09-02 1987-03-07 ニツタン株式会社 分離型感知器
JPH0632144B2 (ja) * 1987-04-08 1994-04-27 ニツタン株式会社 環境異常警報装置
JP2829733B2 (ja) * 1989-01-31 1998-12-02 能美防災株式会社 防災設備
US4956634A (en) * 1989-05-01 1990-09-11 General Signal Corporation City tie line connection for fire alarm system
US4962373A (en) * 1989-05-01 1990-10-09 General Signal Corporation Scheme for power conservation in fire alarm system
DE3924252A1 (de) * 1989-07-21 1991-02-07 Preussag Ag Feuerschutz Meldeeinrichtung zum erfassen von waermequellen
DE69331034T2 (de) * 1992-02-04 2002-06-20 Nohmi Bosai Ltd., Tokio/Tokyo Feueralarm
US5416725A (en) * 1993-08-18 1995-05-16 P.C. Sentry, Inc. Computer-based notification system having redundant sensor alarm determination and associated computer-implemented method for issuing notification of events
EP0646791B1 (en) * 1993-09-30 2001-09-05 Nittan Company, Limited Sensor device, and electronic equipment each having sensor device incorporated therein
US5483222A (en) * 1993-11-15 1996-01-09 Pittway Corporation Multiple sensor apparatus and method
JP3273854B2 (ja) * 1994-03-30 2002-04-15 能美防災株式会社 火災報知設備用機器
US5627515A (en) * 1995-02-24 1997-05-06 Pittway Corporation Alarm system with multiple cooperating sensors
JPH0914339A (ja) * 1995-04-27 1997-01-14 Kongo Kk 免震装置
US5864286A (en) * 1995-05-16 1999-01-26 General Signal Corporation Distributed intelligence alarm system having a two- tier monitoring process for detecting alarm conditions
US5557262A (en) * 1995-06-07 1996-09-17 Pittway Corporation Fire alarm system with different types of sensors and dynamic system parameters
DE69616466T2 (de) * 1995-08-18 2002-12-12 Gsbs Development Corp., Muskegon Feueralarmsystem
JPH09196115A (ja) * 1996-01-22 1997-07-29 Kongo Kk 免震装置
JP3724689B2 (ja) * 1998-10-30 2005-12-07 ホーチキ株式会社 火災監視装置及び火災感知器
US6252501B1 (en) 1998-12-11 2001-06-26 Pittway Corporation Message repeating apparatus and method
US6691172B1 (en) * 1998-12-15 2004-02-10 Honeywell International, Inc. Communication system for defining a variable group of processors for receiving a transmitted communication
US6694285B1 (en) 1999-03-13 2004-02-17 Textron System Corporation Method and apparatus for monitoring rotating machinery
US6425293B1 (en) 1999-03-13 2002-07-30 Textron Systems Corporation Sensor plug
WO2000055585A2 (en) * 1999-03-13 2000-09-21 Textron Systems Corporation Method and apparatus for monitoring rotating machinery and estimating torque therein
US6510397B1 (en) 1999-03-13 2003-01-21 Textron Systems Corporation Method and apparatus for self-diagnosis of a sensor
US6546814B1 (en) 1999-03-13 2003-04-15 Textron Systems Corporation Method and apparatus for estimating torque in rotating machinery
SE520659C2 (sv) * 2000-03-28 2003-08-05 Firefly Ab Anordning och förfarande för att risknivåbestämma en risksituation
DE10107260A1 (de) * 2001-02-16 2002-09-12 Axel Kretzschmar Verfahren und Einrichtung zur Überwachung unterirdischer Anlagen
WO2005079340A2 (en) * 2004-02-13 2005-09-01 Lacasse Photoplastics, Inc. Intelligent directional fire alarm system
JP6037430B2 (ja) * 2012-06-06 2016-12-07 ホーチキ株式会社 警報システム
CN112447028A (zh) * 2019-08-29 2021-03-05 深圳市云海物联科技有限公司 一种报警方法、系统及传感器设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100542A (en) * 1973-01-02 1978-07-11 May & Baker Limited Measuring system
CH572252A5 (OSRAM) * 1973-11-09 1976-01-30 Nohmi Bosai Kogyo Co Ltd
JPS5244655A (en) * 1975-10-03 1977-04-07 Sumitomo Chem Co Ltd Centralized control unit for a gas leak
GB1556061A (en) * 1975-08-28 1979-11-21 Sumitomo Chemical Co Monitor and alarm apparatus in loop line system
CH600454A5 (OSRAM) * 1976-11-16 1978-06-15 Cerberus Ag
DE2817089B2 (de) * 1978-04-19 1980-12-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Gefahrenmeldeanlage
JPS54150098A (en) * 1978-05-18 1979-11-24 Hochiki Co Flame detector
GB2082358B (en) * 1980-08-14 1984-09-05 Dynalarm Ltd Security systems

Also Published As

Publication number Publication date
JPH0230555B2 (OSRAM) 1990-07-06
DE3338711C2 (de) 1986-10-30
FR2535493A1 (fr) 1984-05-04
SE8305344L (sv) 1984-04-28
AU1968283A (en) 1984-05-03
FR2535493B1 (fr) 1986-05-23
AU555669B2 (en) 1986-10-02
GB2129180A (en) 1984-05-10
SE456198B (sv) 1988-09-12
JPS5977594A (ja) 1984-05-04
US4525700A (en) 1985-06-25
GB8328098D0 (en) 1983-11-23
SE8305344D0 (sv) 1983-09-30
DE3338711A1 (de) 1984-05-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20021020