CH599645A5 - - Google Patents

Info

Publication number
CH599645A5
CH599645A5 CH560576A CH560576A CH599645A5 CH 599645 A5 CH599645 A5 CH 599645A5 CH 560576 A CH560576 A CH 560576A CH 560576 A CH560576 A CH 560576A CH 599645 A5 CH599645 A5 CH 599645A5
Authority
CH
Switzerland
Application number
CH560576A
Inventor
William J Malinowski
Original Assignee
Chloride Batterijen Bv
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
Priority claimed from US449362A external-priority patent/US3917956A/en
Application filed by Chloride Batterijen Bv filed Critical Chloride Batterijen Bv
Publication of CH599645A5 publication Critical patent/CH599645A5/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. 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
    • 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

Landscapes

  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CH560576A 1973-11-26 1974-08-07 CH599645A5 (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41920673A 1973-11-26 1973-11-26
US449362A US3917956A (en) 1974-03-08 1974-03-08 Smoke detector

Publications (1)

Publication Number Publication Date
CH599645A5 true CH599645A5 (xx) 1978-05-31

Family

ID=27024396

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1079974A CH580848A5 (xx) 1973-11-26 1974-08-07
CH560576A CH599645A5 (xx) 1973-11-26 1974-08-07

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1079974A CH580848A5 (xx) 1973-11-26 1974-08-07

Country Status (11)

Country Link
JP (1) JPS50114275A (xx)
BR (1) BR7408707D0 (xx)
CA (1) CA1056931A (xx)
CH (2) CH580848A5 (xx)
CS (1) CS186786B2 (xx)
DE (2) DE2462876C2 (xx)
FR (1) FR2254024B3 (xx)
GB (1) GB1490866A (xx)
IL (1) IL45331A (xx)
IN (1) IN143206B (xx)
NL (1) NL7410079A (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5354000A (en) * 1976-10-26 1978-05-16 Matsushita Electric Works Ltd Detection signal processing circuit of photoelectric type smoke detectors
US4125779A (en) * 1977-07-13 1978-11-14 Chloride, Incorporated Smoke detector
CH638331A5 (de) * 1979-02-22 1983-09-15 Cerberus Ag Rauchdetektor.
DE3063643D1 (en) * 1979-02-26 1983-07-14 Cerberus Ag Fire detector using pulsed radiation
BE881812A (nl) * 1979-12-17 1980-06-16 Cerberus Ag Meldingsstelsel
JPS5716956U (xx) * 1980-06-30 1982-01-28
JPS6014398B2 (ja) * 1981-03-18 1985-04-12 ホーチキ株式会社 光電式煙感知器
EP0145189B1 (en) * 1983-10-21 1990-08-08 COLE, Martin Terence Improvements relating to smoke detection apparatus
JPS6151U (ja) * 1985-05-17 1986-01-06 京セラ株式会社 光電式煙検出報知装置
CN114401760A (zh) * 2019-05-23 2022-04-26 北门科技股份有限公司 用于气体再流通系统中的烟雾去除的系统和方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH417405A (de) * 1964-07-14 1966-07-15 Cerberus Ag Werk Fuer Elektron Vorrichtung zur Feststellung von Aerosolen in Luft
US3382762A (en) * 1967-02-21 1968-05-14 Alfred W. Vasel Smoke detecting device
US3555532A (en) 1968-10-29 1971-01-12 Graham Stuart Corp Vapor or particle detection device
GB1278205A (en) * 1970-02-11 1972-06-21 Shorrock Develpoments Ltd Smoke detecting device
CH520990A (de) * 1970-12-21 1972-03-31 Cerberus Ag Rauchdetektor

Also Published As

Publication number Publication date
CS186786B2 (en) 1978-12-29
CH580848A5 (xx) 1976-10-15
JPS50114275A (xx) 1975-09-08
DE2448195A1 (de) 1975-05-28
IL45331A (en) 1977-12-30
IN143206B (xx) 1977-10-15
GB1490866A (en) 1977-11-02
AU7330074A (en) 1976-03-18
DE2462876C2 (de) 1983-06-09
FR2254024B3 (xx) 1979-02-02
IL45331A0 (en) 1974-10-22
DE2448195C2 (de) 1984-08-23
BR7408707D0 (pt) 1975-08-26
FR2254024A1 (xx) 1975-07-04
CA1056931A (en) 1979-06-19
NL7410079A (nl) 1975-05-28

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Legal Events

Date Code Title Description
PUE Assignment

Owner name: PYROTECTOR INCORPORATED

PL Patent ceased