DE3100022A1 - Ionisierungsrauchmelder - Google Patents

Ionisierungsrauchmelder

Info

Publication number
DE3100022A1
DE3100022A1 DE3100022A DE3100022A DE3100022A1 DE 3100022 A1 DE3100022 A1 DE 3100022A1 DE 3100022 A DE3100022 A DE 3100022A DE 3100022 A DE3100022 A DE 3100022A DE 3100022 A1 DE3100022 A1 DE 3100022A1
Authority
DE
Germany
Prior art keywords
capacitor
smoke detector
radiation source
alarm
air
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.)
Ceased
Application number
DE3100022A
Other languages
German (de)
English (en)
Inventor
Des Erfinders Auf Nennung Verzicht
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.)
GAMMA ELECTRONIC
Original Assignee
GAMMA ELECTRONIC
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 GAMMA ELECTRONIC filed Critical GAMMA ELECTRONIC
Publication of DE3100022A1 publication Critical patent/DE3100022A1/de
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
DE3100022A 1980-01-02 1981-01-02 Ionisierungsrauchmelder Ceased DE3100022A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8000048A FR2473201A1 (fr) 1980-01-02 1980-01-02 Detecteur de fumees capacitif a faible source d'ionisation

Publications (1)

Publication Number Publication Date
DE3100022A1 true DE3100022A1 (de) 1981-12-17

Family

ID=9237176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3100022A Ceased DE3100022A1 (de) 1980-01-02 1981-01-02 Ionisierungsrauchmelder

Country Status (5)

Country Link
BE (1) BE886940A (cg-RX-API-DMAC10.html)
DE (1) DE3100022A1 (cg-RX-API-DMAC10.html)
ES (1) ES498274A0 (cg-RX-API-DMAC10.html)
FR (1) FR2473201A1 (cg-RX-API-DMAC10.html)
IT (1) IT1136527B (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104067324A (zh) * 2011-12-14 2014-09-24 密克罗奇普技术公司 用于检测离子室中的烟雾的方法及设备

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9252769B2 (en) 2011-10-07 2016-02-02 Microchip Technology Incorporated Microcontroller with optimized ADC controller
US9437093B2 (en) 2011-10-06 2016-09-06 Microchip Technology Incorporated Differential current measurements to determine ION current in the presence of leakage current
US9071264B2 (en) 2011-10-06 2015-06-30 Microchip Technology Incorporated Microcontroller with sequencer driven analog-to-digital converter
US8847802B2 (en) 2011-10-06 2014-09-30 Microchip Technology Incorporated Microcontroller ADC with a variable sample and hold capacitor
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
US9207209B2 (en) 2011-12-14 2015-12-08 Microchip Technology Incorporated Method and apparatus for detecting smoke in an ion chamber
US9189940B2 (en) * 2011-12-14 2015-11-17 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767917A (en) * 1970-07-23 1973-10-23 Cerberus Ag Ionizing-type fire alarm sensor
US3838283A (en) * 1971-10-20 1974-09-24 Securitas Ab Bevaknings Ionization smoke detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767917A (en) * 1970-07-23 1973-10-23 Cerberus Ag Ionizing-type fire alarm sensor
US3838283A (en) * 1971-10-20 1974-09-24 Securitas Ab Bevaknings Ionization smoke detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104067324A (zh) * 2011-12-14 2014-09-24 密克罗奇普技术公司 用于检测离子室中的烟雾的方法及设备
CN104067324B (zh) * 2011-12-14 2016-11-16 密克罗奇普技术公司 用于检测离子室中的烟雾的方法及设备

Also Published As

Publication number Publication date
FR2473201B3 (cg-RX-API-DMAC10.html) 1982-10-01
BE886940A (fr) 1981-04-16
IT1136527B (it) 1986-08-27
FR2473201A1 (fr) 1981-07-10
ES8201334A1 (es) 1981-12-01
ES498274A0 (es) 1981-12-01
IT8083491A0 (it) 1980-12-31

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: ZINNGREBE, H., DR.RER.NAT., PAT.-ANW., 6100 DARMST

8110 Request for examination paragraph 44
8131 Rejection