FI92442C - Ilmaisujärjestelmä ja ilmaisin - Google Patents

Ilmaisujärjestelmä ja ilmaisin

Info

Publication number
FI92442C
FI92442C FI871155A FI871155A FI92442C FI 92442 C FI92442 C FI 92442C FI 871155 A FI871155 A FI 871155A FI 871155 A FI871155 A FI 871155A FI 92442 C FI92442 C FI 92442C
Authority
FI
Finland
Prior art keywords
detector
detection system
detection
Prior art date
Application number
FI871155A
Other languages
English (en)
Swedish (sv)
Other versions
FI871155A0 (fi
FI92442B (fi
FI871155A (fi
Inventor
Sadataka Yuchi
Original Assignee
Hochiki Co
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 Co filed Critical Hochiki Co
Publication of FI871155A0 publication Critical patent/FI871155A0/fi
Publication of FI871155A publication Critical patent/FI871155A/fi
Application granted granted Critical
Publication of FI92442B publication Critical patent/FI92442B/fi
Publication of FI92442C publication Critical patent/FI92442C/fi

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • 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
    • 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
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI871155A 1986-03-18 1987-03-17 Ilmaisujärjestelmä ja ilmaisin FI92442C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61060095A JPS62215848A (ja) 1986-03-18 1986-03-18 感知装置

Publications (4)

Publication Number Publication Date
FI871155A0 FI871155A0 (fi) 1987-03-17
FI871155A FI871155A (fi) 1987-09-19
FI92442B FI92442B (fi) 1994-07-29
FI92442C true FI92442C (fi) 1994-11-10

Family

ID=13132188

Family Applications (1)

Application Number Title Priority Date Filing Date
FI871155A FI92442C (fi) 1986-03-18 1987-03-17 Ilmaisujärjestelmä ja ilmaisin

Country Status (9)

Country Link
US (1) US4785283A (fi)
JP (1) JPS62215848A (fi)
AT (1) AT399786B (fi)
AU (1) AU597041B2 (fi)
CH (1) CH671643A5 (fi)
DE (1) DE3708758C2 (fi)
FI (1) FI92442C (fi)
FR (1) FR2596180B1 (fi)
GB (1) GB2188725B (fi)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0632144B2 (ja) * 1987-04-08 1994-04-27 ニツタン株式会社 環境異常警報装置
US4988884A (en) * 1988-11-22 1991-01-29 Walter Kidde Aerospace, Inc. High temperature resistant flame detector
US5159315A (en) * 1990-12-11 1992-10-27 Motorola, Inc. Communication system with environmental condition detection capability
JP3029716B2 (ja) * 1991-11-01 2000-04-04 ホーチキ株式会社 無線式アナログ感知器
US5473314A (en) * 1992-07-20 1995-12-05 Nohmi Bosai, Ltd. High sensitivity smoke detecting apparatus using a plurality of sample gases for calibration
GB2274333B (en) * 1993-01-07 1996-12-11 Hochiki Co Smoke detecting apparatus capable of detecting both smoke and fine particles
JP3231886B2 (ja) * 1993-03-31 2001-11-26 能美防災株式会社 光電式火災感知器
US5552765A (en) * 1993-07-12 1996-09-03 Detection Systems, Inc. Smoke detector with individually stored range of acceptable sensitivity
US5546074A (en) * 1993-08-19 1996-08-13 Sentrol, Inc. Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy
US6501810B1 (en) 1998-10-13 2002-12-31 Agere Systems Inc. Fast frame synchronization
US5552763A (en) * 1993-11-10 1996-09-03 Simplex Time Recorder Company Fire alarm system with sensitivity adjustment
US5483222A (en) * 1993-11-15 1996-01-09 Pittway Corporation Multiple sensor apparatus and method
DE69418977T2 (de) * 1993-12-02 1999-12-30 Nohmi Bosai Ltd Feueralarmsystem
JP3330438B2 (ja) * 1993-12-16 2002-09-30 能美防災株式会社 煙感知器およびその調整装置
FR2723237B1 (fr) * 1994-07-29 1996-10-04 Lewiner Jacques Dispositif de detection d'incendie avec transmission de signal electrique analogique a une unite centrale
CA2198483C (en) * 1994-08-26 2008-06-03 Daniel P. Croft Self-contained, self-adjusting smoke detector
US5612674A (en) * 1995-01-05 1997-03-18 Pittway Corporation High sensitivity apparatus and method with dynamic adjustment for noise
US5627515A (en) * 1995-02-24 1997-05-06 Pittway Corporation Alarm system with multiple cooperating sensors
US5557262A (en) * 1995-06-07 1996-09-17 Pittway Corporation Fire alarm system with different types of sensors and dynamic system parameters
EP0818765A1 (en) * 1996-07-10 1998-01-14 Pittway Corporation Multiple sensor detector and method of locally determining a potential alarm condition
DE19902319B4 (de) * 1999-01-21 2011-06-30 Novar GmbH, Albstadt-Ebingen Zweigniederlassung Neuss, 41469 Streulichtbrandmelder
WO2001073381A2 (en) † 2000-03-28 2001-10-04 Matsushita Electric Works, Ltd. Particle sensor
DE10204384C1 (de) * 2002-02-04 2003-07-17 Preussag Ag Minimax Verfahren zur Steuerung von stationären Löschanlagen
US7221260B2 (en) * 2003-11-21 2007-05-22 Honeywell International, Inc. Multi-sensor fire detectors with audio sensors and systems thereof
US20060055548A1 (en) * 2004-09-13 2006-03-16 Ki Deog Kong Smoke detecting system having self-monitoring function
EP2273466A4 (en) * 2008-04-24 2013-07-24 Panasonic Corp SMOKE DETECTOR
US8681011B2 (en) 2011-02-21 2014-03-25 Fred Conforti Apparatus and method for detecting fires
US8994556B2 (en) 2012-05-24 2015-03-31 Douglas H. Lundy Threat detection system and method
DE102012217359B4 (de) * 2012-09-26 2024-04-11 BSH Hausgeräte GmbH Haushaltsgerät mit Sender
EP3022722B1 (en) 2013-07-18 2024-03-27 Google LLC Systems and methods for multi-criteria alarming
US9117360B1 (en) 2014-06-06 2015-08-25 Fred Conforti Low battery trouble signal delay in smoke detectors
US10748399B2 (en) * 2016-07-11 2020-08-18 Autronica Fire & Security As Smoke detector dynamic range adjustment system and method
EP3608657A3 (en) * 2018-08-07 2020-03-25 Inim Electronics S.r.l. Method and system for enhancing the detection dynamics of a particulate detector and particulate detector
IT201800007931A1 (it) * 2018-08-07 2020-02-07 Inim Electronics Srl Metodo e sistema per aumentare la dinamica di rilevazione di un rilevatore di particolato e rilevatore di particolato
CN109062317B (zh) * 2018-09-07 2020-08-07 无锡华润矽科微电子有限公司 恒流驱动电路及相应的光电烟雾报警电路
CN112485838A (zh) * 2020-10-14 2021-03-12 厦门汉印电子技术有限公司 基于光电传感器的动态检测方法、装置及打印设备

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB852325A (en) * 1956-03-07 1960-10-26 British Thomson Houston Co Ltd Improved means responsive to the density of smoke
GB1327231A (en) * 1970-01-07 1973-08-15 Nat Res Dev Fire detecting apparatus
JPS5317277B2 (fi) * 1972-08-01 1978-06-07
US4206456A (en) * 1975-06-23 1980-06-03 Chloride Incorporated Smoke detector
JPS583272B2 (ja) * 1978-06-07 1983-01-20 ホーチキ株式会社 火災感知器
CH629905A5 (de) * 1978-07-17 1982-05-14 Cerberus Ag Gas- und/oder brandmeldeanlage.
JPS6035882B2 (ja) * 1978-08-09 1985-08-17 株式会社フジクラ ケ−ブル導体端部の酸化皮膜除去法
EP0011364B1 (en) * 1978-09-29 1983-05-18 Chubb Fire Limited Heat detector circuit
JPS5679946A (en) * 1979-12-05 1981-06-30 Dainippon Screen Mfg Co Ltd Optical densitometer
JPS56132690A (en) * 1980-03-19 1981-10-17 Hochiki Co Fire detector
JPS58120326A (ja) * 1982-01-11 1983-07-18 Sharp Corp 集中監視システムの自動受信ゲイン制御方式
JPS59201193A (ja) * 1983-04-30 1984-11-14 松下電工株式会社 火報システム
AU573243B2 (en) * 1983-08-12 1988-06-02 Vision Systems Limited Pollution detecting apparatus
US4546344A (en) * 1984-03-05 1985-10-08 American District Telegraph Company Temperature compensated alarm system
JPS61169746A (ja) * 1985-01-23 1986-07-31 Sumitomo Metal Ind Ltd 赤外線式水分測定装置

Also Published As

Publication number Publication date
FR2596180A1 (fr) 1987-09-25
FI871155A0 (fi) 1987-03-17
AT399786B (de) 1995-07-25
ATA57887A (de) 1994-11-15
AU7002287A (en) 1987-09-24
US4785283A (en) 1988-11-15
DE3708758A1 (de) 1987-10-08
JPS62215848A (ja) 1987-09-22
FI92442B (fi) 1994-07-29
CH671643A5 (fi) 1989-09-15
GB2188725B (en) 1990-02-28
GB2188725A (en) 1987-10-07
FI871155A (fi) 1987-09-19
GB8706307D0 (en) 1987-04-23
AU597041B2 (en) 1990-05-24
FR2596180B1 (fr) 1993-12-03
DE3708758C2 (de) 1997-02-13

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed

Owner name: HOCHIKI KABUSHIKI KAISHA