FR2523309B3 - - Google Patents

Info

Publication number: FR2523309B3
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 (en

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.)

1982-03-09

Filing date

1982-03-09

Publication date

1985-01-11

1982-03-09 Application filed by Individual filed Critical Individual

1982-03-09 Priority to FR8203897A priority Critical patent/FR2523309A1/en

1982-08-11 Priority to CH480382A priority patent/CH649639A5/en

1982-10-14 Priority to GB08229446A priority patent/GB2117560B/en

1982-10-15 Priority to JP18121482A priority patent/JPS58154092A/en

1983-09-16 Publication of FR2523309A1 publication Critical patent/FR2523309A1/en

1985-01-11 Application granted granted Critical

1985-01-11 Publication of FR2523309B3 publication Critical patent/FR2523309B3/fr

Status Granted 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
- G08B17/11—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
- 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

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 NEW CAPACITIVE SMOKE DETECTOR WITH INTERCHANGEABLE MODULES Granted FR2523309A1 (en)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
FR8203897A FR2523309A1 (en)	1982-03-09	1982-03-09	NEW CAPACITIVE SMOKE DETECTOR WITH INTERCHANGEABLE MODULES
CH480382A CH649639A5 (en)	1982-03-09	1982-08-11	SMOKE DETECTOR.
GB08229446A GB2117560B (en)	1982-03-09	1982-10-14	Capacitive smoke detector
JP18121482A JPS58154092A (en)	1982-03-09	1982-10-15	Smoke detector

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8203897A FR2523309A1 (en)	1982-03-09	1982-03-09	NEW CAPACITIVE SMOKE DETECTOR WITH INTERCHANGEABLE MODULES

Publications (2)

Publication Number	Publication Date
FR2523309A1 FR2523309A1 (en)	1983-09-16
FR2523309B3 true FR2523309B3 (en)	1985-01-11

Family

ID=9271767

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8203897A Granted FR2523309A1 (en)	1982-03-09	1982-03-09	NEW CAPACITIVE SMOKE DETECTOR WITH INTERCHANGEABLE MODULES

Country Status (4)

Country	Link
JP (1)	JPS58154092A (en)
CH (1)	CH649639A5 (en)
FR (1)	FR2523309A1 (en)
GB (1)	GB2117560B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101294923B (en) *	2008-05-29	2011-03-02	中国科学技术大学	Capacitor type smoke detector
US9071264B2 (en)	2011-10-06	2015-06-30	Microchip Technology Incorporated	Microcontroller with sequencer driven analog-to-digital converter
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
US9437093B2 (en)	2011-10-06	2016-09-06	Microchip Technology Incorporated	Differential current measurements to determine ION current in the presence of leakage current
US9252769B2 (en)	2011-10-07	2016-02-02	Microchip Technology Incorporated	Microcontroller with optimized ADC controller
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
US9189940B2 (en)	2011-12-14	2015-11-17	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
US9176088B2 (en) *	2011-12-14	2015-11-03	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 (en) *	2017-04-06	2017-06-13	安徽理工大学	A kind of novel domestic intelligence smoke alarm

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH508251A (en) *	1970-07-23	1971-05-31	Cerberus Ag	Ionization fire alarms
CH551057A (en) *	1973-04-17	1974-06-28	Cerberus Ag	IONIZATION ALARM.
US3959788A (en) *	1974-05-10	1976-05-25	General Signal Corporation	Ionization-type fire detector
JPS5552558Y2 (en) *	1975-02-10	1980-12-05
BE831296A (en) *	1975-07-11	1975-11-03		ION DETECTOR
GB1581236A (en) *	1976-07-02	1980-12-10	Chloride Group Ltd	Ionisation detector chamber
DE2652970C3 (en) *	1976-11-22	1979-09-06	Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf	Ionization fire detectors
FR2386874A1 (en) *	1977-04-08	1978-11-03	Gamma Electronic	IONIZATION SMOKE DETECTOR ASSOCIATED WITH AN ELECTRONIC VELOCIMETRIC MEASUREMENT CIRCUIT

1982
- 1982-03-09 FR FR8203897A patent/FR2523309A1/en active Granted
- 1982-08-11 CH CH480382A patent/CH649639A5/en not_active IP Right Cessation
- 1982-10-14 GB GB08229446A patent/GB2117560B/en not_active Expired
- 1982-10-15 JP JP18121482A patent/JPS58154092A/en active Pending

Also Published As

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

Publication	Publication Date	Title
FR2523437B1 (en)	1985-05-24
DE3374015T (en)	1987-11-12
FR2521837B1 (en)	1984-05-04
FR2526101B1 (en)	1987-03-20
FR2523309B3 (en)	1985-01-11
CH655565B (en)	1986-04-30
FR2521165B1 (en)	1985-05-10
FR2522823B1 (en)	1984-05-18
FR2527732B1 (en)	1984-12-14
FR2522587B1 (en)	1984-06-15
FR2523220B3 (en)	1985-02-15
CH655531B (en)	1986-04-30
FR2519712B1 (en)	1984-04-27
FR2523854B1 (en)	1985-04-26
FR2521651B3 (en)	1984-10-26
FR2523268B1 (en)	1985-05-10
FR2522247B3 (en)	1985-02-15
FR2521629B1 (en)	1984-09-14
FR2520604B1 (en)	1984-04-27
FR2521100B1 (en)	1986-12-19
CH655639B (en)	1986-05-15
FR2519292B3 (en)	1983-12-02
FR2521096B1 (en)	1984-04-27
FR2521035B1 (en)	1985-04-26
FR2522161B1 (en)	1984-04-06