JPS55123799A - Smoke detector - Google Patents

Smoke detector

Info

Publication number
JPS55123799A
JPS55123799A JP1559180A JP1559180A JPS55123799A JP S55123799 A JPS55123799 A JP S55123799A JP 1559180 A JP1559180 A JP 1559180A JP 1559180 A JP1559180 A JP 1559180A JP S55123799 A JPS55123799 A JP S55123799A
Authority
JP
Japan
Prior art keywords
smoke detector
smoke
detector
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
JP1559180A
Other languages
English (en)
Inventor
Ii Soromon Eraiasu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS55123799A publication Critical patent/JPS55123799A/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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
    • 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
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP1559180A 1979-03-01 1980-02-13 Smoke detector Pending JPS55123799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/016,297 US4300133A (en) 1977-03-28 1979-03-01 Smoke detector

Publications (1)

Publication Number Publication Date
JPS55123799A true JPS55123799A (en) 1980-09-24

Family

ID=21776399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1559180A Pending JPS55123799A (en) 1979-03-01 1980-02-13 Smoke detector

Country Status (6)

Country Link
US (1) US4300133A (ja)
JP (1) JPS55123799A (ja)
AU (1) AU5171379A (ja)
CA (1) CA1137589A (ja)
DE (1) DE2937707A1 (ja)
GB (2) GB2047883B (ja)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2164775B (en) * 1982-09-03 1987-07-01 Valeron Corp Worn tool detector
DE3341781A1 (de) * 1983-11-18 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Automatischer brandmelder und verfahren zur fertigung automatischer brandmelder
JPS60144458U (ja) * 1984-03-05 1985-09-25 ホーチキ株式会社 火災検出装置
GB2156123A (en) * 1984-03-15 1985-10-02 Lu Ke Chang Alarms
GB8502506D0 (en) * 1985-01-31 1985-03-06 Emi Ltd Smoke detector
USRE33920E (en) * 1987-03-05 1992-05-12 Seatt Corporation Smoke detector having variable level sensitivity
US4792797A (en) * 1987-03-05 1988-12-20 Seatt Corporation Smoke detector having variable level sensitivity
US4857895A (en) * 1987-08-31 1989-08-15 Kaprelian Edward K Combined scatter and light obscuration smoke detector
EP0338218B1 (de) * 1988-03-30 1993-09-15 Cerberus Ag Verfahren zur Brandfrüherkennung
GB9014015D0 (en) * 1990-06-23 1990-08-15 Dennis Peter N J Improvements in or relating to smoke detectors
CH681932A5 (ja) * 1990-12-04 1993-06-15 Cerberus Ag
DE69325852T2 (de) * 1992-05-25 2000-01-27 Nohmi Bosai Ltd., Tokio/Tokyo Feuerdetektor
AU653684B2 (en) * 1992-11-04 1994-10-06 Nohmi Bosai Ltd Smoke detecting apparatus for fire alarm
JPH06288917A (ja) * 1993-03-31 1994-10-18 Nohmi Bosai Ltd 煙式火災感知器
JP3231886B2 (ja) * 1993-03-31 2001-11-26 能美防災株式会社 光電式火災感知器
JP3251407B2 (ja) * 1993-12-22 2002-01-28 能美防災株式会社 光電式火災感知器および調整装置
JPH09270085A (ja) * 1996-04-01 1997-10-14 Hamamatsu Photonics Kk 発煙検知装置
US5969437A (en) * 1997-12-16 1999-10-19 Kalidon Technology, Inc. Dual powered, smoke detector activated flashlight
ES2154186B1 (es) * 1998-10-28 2001-10-16 Ga And Lo S L Camara de campo magnetico aplicable para la separacion de particulas en suspension para analizar el aire del medio-ambiente.
US6876305B2 (en) 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
US6225910B1 (en) 1999-12-08 2001-05-01 Gentex Corporation Smoke detector
US6445292B1 (en) * 2000-04-12 2002-09-03 Pittway Corporation Processor based wireless detector
US6469623B2 (en) * 2001-01-26 2002-10-22 Gentex Corporation Smoke detector maintenance and verification tool
US6556132B1 (en) 2001-08-24 2003-04-29 Gentex Corporation Strobe circuit
US7564365B2 (en) * 2002-08-23 2009-07-21 Ge Security, Inc. Smoke detector and method of detecting smoke
US6900726B2 (en) * 2003-01-03 2005-05-31 Antronnix, Inc. System and method for fiber optic communication with safety-related alarm systems
US20100187450A1 (en) * 2007-06-21 2010-07-29 Koninklijke Philips Electronics N.V. Microelectronic sensor device with light source and light detector
US7733486B2 (en) * 2007-06-27 2010-06-08 Venturedyne, Ltd. Environmental sensor including a baffle
US8334785B1 (en) 2010-02-12 2012-12-18 Stephen Zetts Fire alert system with sequential delay and external indication
EP2423895B1 (de) * 2010-08-26 2017-03-08 Siemens Schweiz AG Streulicht-Brandmelder mit Mitteln zur Unterdrückung einer akustischen Warnung im Falle einer niedrigen Batteriespannung
US8907802B2 (en) 2012-04-29 2014-12-09 Valor Fire Safety, Llc Smoke detector with external sampling volume and ambient light rejection
US9140646B2 (en) 2012-04-29 2015-09-22 Valor Fire Safety, Llc Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction
US8947243B2 (en) 2012-04-29 2015-02-03 Valor Fire Safety, Llc Smoke detector with external sampling volume and utilizing internally reflected light
US9638482B2 (en) 2013-05-22 2017-05-02 Texas Instruments Incorporated Digital detector
JP6407295B2 (ja) 2013-10-30 2018-10-17 ヴァラー ファイヤー セーフティー， エルエルシー 外部サンプリング体積および周囲光拒絶を有する煙検出器
DE102014019172B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
CN105976551B (zh) * 2016-06-22 2018-05-15 中铁二局集团勘测设计院有限责任公司 一种基于bim的火灾报警系统
US10019891B1 (en) * 2017-03-29 2018-07-10 Google Llc Smoke detector for distinguishing between an alarm condition and a nuisance condition
US10957175B2 (en) * 2017-09-13 2021-03-23 4Morr Enterprises IP, LLC Smoke detection enclosure for recessed installment
CN111263958B (zh) 2017-10-30 2022-05-27 开利公司 检测器装置中的补偿器
US11127284B1 (en) 2020-07-02 2021-09-21 Honeywell International Inc. Self-calibrating fire sensing device
US20240078896A1 (en) * 2022-08-17 2024-03-07 Carrier Corporation Light emitter driver circuit for smoke detector

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099184A (ja) * 1973-12-28 1975-08-06

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155954A (en) * 1962-06-15 1964-11-03 Howard M Larrick Automatic sensitivity control for sound actuated detection and alarm systems
CH417405A (de) * 1964-07-14 1966-07-15 Cerberus Ag Werk Fuer Elektron Vorrichtung zur Feststellung von Aerosolen in Luft
US3761908A (en) * 1971-12-20 1973-09-25 Gen Dynamics Corp Object detection system
US3778807A (en) * 1972-12-13 1973-12-11 Eg & G Inc Capacitive intrusion detection system with balanced resonant circuits
US3924252A (en) * 1973-03-15 1975-12-02 Espey Mfg & Electronics Corp Laser smoke detection
US4126790A (en) * 1976-09-20 1978-11-21 Solomon Elias E Strobed smoke detector
US4121110A (en) * 1976-11-04 1978-10-17 Solomon Elias E Optically biased smoke detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099184A (ja) * 1973-12-28 1975-08-06

Also Published As

Publication number Publication date
GB2047883A (en) 1980-12-03
CA1137589A (en) 1982-12-14
US4300133A (en) 1981-11-10
GB2047883B (en) 1984-01-04
GB2122340B (en) 1984-06-20
DE2937707A1 (de) 1980-09-04
GB8319945D0 (en) 1983-08-24
GB2122340A (en) 1984-01-11
AU5171379A (en) 1980-09-04

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