FR2523309B3 - - Google Patents

Info

Publication number
FR2523309B3
FR2523309B3 FR8203897A FR8203897A FR2523309B3 FR 2523309 B3 FR2523309 B3 FR 2523309B3 FR 8203897 A FR8203897 A FR 8203897A FR 8203897 A FR8203897 A FR 8203897A FR 2523309 B3 FR2523309 B3 FR 2523309B3
Authority
FR
France
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
FR8203897A
Other languages
French (fr)
Other versions
FR2523309A1 (fr
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
Priority to FR8203897A priority Critical patent/FR2523309A1/fr
Priority to CH480382A priority patent/CH649639A5/fr
Priority to GB08229446A priority patent/GB2117560B/en
Priority to JP18121482A priority patent/JPS58154092A/ja
Publication of FR2523309A1 publication Critical patent/FR2523309A1/fr
Application granted granted Critical
Publication of FR2523309B3 publication Critical patent/FR2523309B3/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation 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
    • G08B17/113Constructional details
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation 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

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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
FR8203897A 1982-03-09 1982-03-09 Nouveau detecteur de fumees capacitif a modules interchangeables Granted FR2523309A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8203897A FR2523309A1 (fr) 1982-03-09 1982-03-09 Nouveau detecteur de fumees capacitif a modules interchangeables
CH480382A CH649639A5 (fr) 1982-03-09 1982-08-11 Detecteur de fumees.
GB08229446A GB2117560B (en) 1982-03-09 1982-10-14 Capacitive smoke detector
JP18121482A JPS58154092A (ja) 1982-03-09 1982-10-15 煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8203897A FR2523309A1 (fr) 1982-03-09 1982-03-09 Nouveau detecteur de fumees capacitif a modules interchangeables

Publications (2)

Publication Number Publication Date
FR2523309A1 FR2523309A1 (fr) 1983-09-16
FR2523309B3 true FR2523309B3 (US07321065-20080122-C00020.png) 1985-01-11

Family

ID=9271767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8203897A Granted FR2523309A1 (fr) 1982-03-09 1982-03-09 Nouveau detecteur de fumees capacitif a modules interchangeables

Country Status (4)

Country Link
JP (1) JPS58154092A (US07321065-20080122-C00020.png)
CH (1) CH649639A5 (US07321065-20080122-C00020.png)
FR (1) FR2523309A1 (US07321065-20080122-C00020.png)
GB (1) GB2117560B (US07321065-20080122-C00020.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101294923B (zh) * 2008-05-29 2011-03-02 中国科学技术大学 电容式感烟火灾探测器
US9257980B2 (en) 2011-10-06 2016-02-09 Microchip Technology Incorporated Measuring capacitance of a capacitive sensor with a microcontroller having digital outputs for driving a guard ring
US8847802B2 (en) 2011-10-06 2014-09-30 Microchip Technology Incorporated Microcontroller ADC with a variable sample and hold capacitor
US9252769B2 (en) 2011-10-07 2016-02-02 Microchip Technology Incorporated Microcontroller with optimized ADC controller
US9071264B2 (en) 2011-10-06 2015-06-30 Microchip Technology Incorporated Microcontroller with sequencer driven analog-to-digital converter
US9467141B2 (en) 2011-10-07 2016-10-11 Microchip Technology Incorporated Measuring capacitance of a capacitive sensor with a microcontroller having an analog output for driving a guard ring
US9437093B2 (en) 2011-10-06 2016-09-06 Microchip Technology Incorporated Differential current measurements to determine ION current in the presence of leakage current
US9189940B2 (en) 2011-12-14 2015-11-17 Microchip Technology Incorporated Method and apparatus for detecting smoke in an ion chamber
US9176088B2 (en) * 2011-12-14 2015-11-03 Microchip Technology Incorporated Method and apparatus for detecting smoke in an ion chamber
US9207209B2 (en) 2011-12-14 2015-12-08 Microchip Technology Incorporated Method and apparatus for detecting smoke in an ion chamber
US9823280B2 (en) 2011-12-21 2017-11-21 Microchip Technology Incorporated Current sensing with internal ADC capacitor
US8884771B2 (en) 2012-08-01 2014-11-11 Microchip Technology Incorporated Smoke detection using change in permittivity of capacitor air dielectric
CN106846710A (zh) * 2017-04-06 2017-06-13 安徽理工大学 一种家用新型智能烟感探测器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH508251A (de) * 1970-07-23 1971-05-31 Cerberus Ag Ionisationsfeuermelder
CH551057A (de) * 1973-04-17 1974-06-28 Cerberus Ag Ionisationsfeuermelder.
US3959788A (en) * 1974-05-10 1976-05-25 General Signal Corporation Ionization-type fire detector
JPS5552558Y2 (US07321065-20080122-C00020.png) * 1975-02-10 1980-12-05
BE831296A (fr) * 1975-07-11 1975-11-03 Detecteur ionique
GB1581236A (en) * 1976-07-02 1980-12-10 Chloride Group Ltd Ionisation detector chamber
DE2652970C3 (de) * 1976-11-22 1979-09-06 Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf Ionisations-Brandmelder
FR2386874A1 (fr) * 1977-04-08 1978-11-03 Gamma Electronic Detecteur de fumees a ionisation associe a un circuit electronique de mesure velocimetrique

Also Published As

Publication number Publication date
GB2117560B (en) 1986-04-16
GB2117560A (en) 1983-10-12
FR2523309A1 (fr) 1983-09-16
JPS58154092A (ja) 1983-09-13
CH649639A5 (fr) 1985-05-31

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