ZA754393B - Smoke detector - Google Patents

Smoke detector

Info

Publication number
ZA754393B
ZA754393B ZA00754393A ZA754393A ZA754393B ZA 754393 B ZA754393 B ZA 754393B ZA 00754393 A ZA00754393 A ZA 00754393A ZA 754393 A ZA754393 A ZA 754393A ZA 754393 B ZA754393 B ZA 754393B
Authority
ZA
South Africa
Prior art keywords
smoke detector
smoke
detector
Prior art date
Application number
ZA00754393A
Other languages
English (en)
Inventor
C Berns
V Podany
Original Assignee
Gen Signal 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 Gen Signal Corp filed Critical Gen Signal Corp
Publication of ZA754393B publication Critical patent/ZA754393B/xx

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
    • 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
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
ZA00754393A 1974-07-17 1975-07-09 Smoke detector ZA754393B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/489,076 US3980997A (en) 1974-07-17 1974-07-17 Smoke detector

Publications (1)

Publication Number Publication Date
ZA754393B true ZA754393B (en) 1976-06-30

Family

ID=23942307

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00754393A ZA754393B (en) 1974-07-17 1975-07-09 Smoke detector

Country Status (5)

Country Link
US (1) US3980997A (xx)
CA (1) CA1045227A (xx)
DE (1) DE2532063B2 (xx)
GB (1) GB1504009A (xx)
ZA (1) ZA754393B (xx)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138670B2 (en) * 1977-01-03 1994-07-26 Pittaway Corp A.C. powered detecting device with battery backup
US4305069A (en) * 1978-05-31 1981-12-08 Machen Robert B Personal smoke and fire detector and warning unit
DE3113547C2 (de) * 1981-04-03 1983-08-18 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Direkt an ein Wechselspannungsnetz anschließbare Wechsellichtschranke
US4358760A (en) * 1981-04-23 1982-11-09 James Palmer Portable fire alarm apparatus
US4514724A (en) * 1982-09-28 1985-04-30 Paul W. Garbo Electrical warning system for malfunctions in refrigeration
WO1986006191A1 (en) * 1985-04-11 1986-10-23 Valentine Walter J Electrical warning system for malfunctions in refrigeration
US4763115A (en) * 1986-12-09 1988-08-09 Donald L. Trigg Fire or smoke detection and alarm system
JPS63163698A (ja) * 1986-12-26 1988-07-07 ホーチキ株式会社 散乱光式煙感知器
DE68927884T2 (de) * 1988-10-13 1997-09-25 Nohmi Bosai Ltd Brandalarmvorrichtung
JP2935549B2 (ja) * 1990-08-23 1999-08-16 能美防災株式会社 火災検出方法及び装置
EP0503167B1 (en) * 1991-03-12 1995-06-14 Matsushita Electric Works, Ltd. A method for testing smoke sensor and a smoke sensor having a function of executing the test
DE9416314U1 (de) * 1994-10-10 1994-12-01 Fritz Fuss Gmbh & Co, 72458 Albstadt Rauchmelder
DE69627922T2 (de) * 1995-03-24 2004-03-11 Nohmi Bosai Ltd. Sensor zur Feststellung feiner Teilchen wie Rauch
GB2314618B (en) * 1996-06-26 1999-12-29 David Appleby Smoke detector using light scatter and extinction
DE19902319B4 (de) * 1999-01-21 2011-06-30 Novar GmbH, Albstadt-Ebingen Zweigniederlassung Neuss, 41469 Streulichtbrandmelder
US6225910B1 (en) 1999-12-08 2001-05-01 Gentex Corporation Smoke detector
US6876305B2 (en) 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
US7604478B2 (en) * 2005-03-21 2009-10-20 Honeywell International Inc. Vapor resistant fuel burning appliance
GB0506671D0 (en) * 2005-04-01 2005-05-11 Fireangel Ltd Alarm
US7901367B2 (en) * 2005-06-30 2011-03-08 Cook Incorporated Wire guide advancement system
US7616126B2 (en) * 2006-07-18 2009-11-10 Gentex Corporation Optical particle detectors
JP6021969B2 (ja) * 2015-02-20 2016-11-09 新コスモス電機株式会社 煙感知器
JP6660128B2 (ja) * 2015-09-17 2020-03-04 矢崎エナジーシステム株式会社 警報器
RU196442U1 (ru) * 2018-10-22 2020-02-28 Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия радиационной, химической и биологической защиты имени Маршала Советского Союза С.К. Тимошенко" Министерства обороны Российской Федерации Общевойсковой сигнализатор контроля загрязнений воздуха аэрозолями
US11385212B2 (en) * 2020-09-25 2022-07-12 Honeywell International Inc. Smoke detection sample point

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604597A (en) * 1949-02-03 1952-07-22 C O Two Fire Equipment Co Smoke detector
GB919640A (en) * 1960-02-24 1963-02-27 Graviner Manufacturing Co Improvements in or relating to detectors of smoke and other suspensions
US3185975A (en) * 1962-06-18 1965-05-25 Honeywell Inc Photoelectric smoke detector
US3313946A (en) * 1962-11-30 1967-04-11 Goodwin Smoke, flame, critical temperature and rate of temperature rise detector
US3409885A (en) * 1964-03-26 1968-11-05 Guardian Industries Smoke detection apparatus
US3383670A (en) * 1964-07-13 1968-05-14 Gordon A. Roberts Smoke and heat detection unit
US3474435A (en) * 1966-10-11 1969-10-21 Vericon Inc Vapor or particle detection devices
GB1222351A (en) * 1966-12-07 1971-02-10 Derek Charles Adams Improvements in or relating to fire-detection apparatus
US3585621A (en) * 1968-02-13 1971-06-15 Mrs Louis J Dicello Smoke detector
US3544798A (en) * 1968-04-16 1970-12-01 Bowser Inc Radiation sensitive device for detecting interface between fluids
US3774186A (en) * 1972-03-15 1973-11-20 El Sig Lab Inc Smoke detector failure alarm

Also Published As

Publication number Publication date
DE2532063B2 (de) 1978-06-22
GB1504009A (en) 1978-03-15
US3980997A (en) 1976-09-14
DE2532063A1 (de) 1976-01-29
CA1045227A (en) 1978-12-26
AU8316575A (en) 1977-01-20

Similar Documents

Publication Publication Date Title
ZA754393B (en) Smoke detector
ZA753861B (en) Fire detection system
ZA754477B (en) Roll parameter detector
GB1446288A (en) Smoke detectors
CA1019077A (en) Fire detector
JPS5386291A (en) Smoke detector
AU2864477A (en) Smoke detector
AU2997577A (en) Smoke detector
CS186786B2 (en) Smoke detector
IL45788A0 (en) Thermoelectric detector
AU7986175A (en) Coulometric detector
YU216775A (en) Fire detector
ZA776805B (en) Smoke detector
AU8452975A (en) Smoke detector
GB1548282A (en) Smoke detector
GB1448307A (en) Gas detector
AU497359B2 (en) Photoelectric smoke detector
GB1448967A (en) Detector apparatus
IL52977A0 (en) Smoke detector
AU8453075A (en) Smoke detector
GB1446646A (en) Smoke detector
AU8176975A (en) Smoke detector
JPS5126889A (en) Sefuarosuhorin c no saishuho
AU8402975A (en) Fire detector
YU37240B (en) Fire detector