ES450049A1 - Perfeccionamientos en los detectores de humo por ionizacion. - Google Patents

Perfeccionamientos en los detectores de humo por ionizacion.

Info

Publication number
ES450049A1
ES450049A1 ES450049A ES450049A ES450049A1 ES 450049 A1 ES450049 A1 ES 450049A1 ES 450049 A ES450049 A ES 450049A ES 450049 A ES450049 A ES 450049A ES 450049 A1 ES450049 A1 ES 450049A1
Authority
ES
Spain
Prior art keywords
ionization
fet
temperature
response
voltage
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.)
Expired
Application number
ES450049A
Other languages
English (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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Publication of ES450049A1 publication Critical patent/ES450049A1/es
Expired 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

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)
  • Medicines Containing Plant Substances (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Electronic Switches (AREA)
ES450049A 1975-07-25 1976-07-12 Perfeccionamientos en los detectores de humo por ionizacion. Expired ES450049A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH971075A CH586941A5 (es) 1975-07-25 1975-07-25

Publications (1)

Publication Number Publication Date
ES450049A1 true ES450049A1 (es) 1977-07-16

Family

ID=4354810

Family Applications (1)

Application Number Title Priority Date Filing Date
ES450049A Expired ES450049A1 (es) 1975-07-25 1976-07-12 Perfeccionamientos en los detectores de humo por ionizacion.

Country Status (19)

Country Link
US (1) US4037106A (es)
JP (1) JPS5216294A (es)
AT (1) AT355957B (es)
AU (1) AU501708B2 (es)
BE (1) BE843506A (es)
CA (1) CA1041678A (es)
CH (1) CH586941A5 (es)
CS (1) CS192562B2 (es)
DE (1) DE2626779C2 (es)
DK (1) DK143922C (es)
ES (1) ES450049A1 (es)
FR (1) FR2319168A1 (es)
GB (1) GB1513219A (es)
IT (1) IT1067375B (es)
NL (1) NL7606754A (es)
NO (1) NO141578C (es)
NZ (1) NZ181443A (es)
SE (1) SE408349B (es)
ZA (1) ZA764066B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707409C2 (de) * 1977-02-21 1985-02-21 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Ionisationsbrandmelder
DE3004753C2 (de) * 1980-02-08 1983-12-22 Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf Brandmeldeeinrichtung
US6292105B1 (en) * 1998-12-23 2001-09-18 The Johns Hopkins University Thermal ionization detector
AT414179B (de) * 2001-11-19 2006-09-15 Vaillant Gmbh Flammenüberwachungsschaltung
CN113829340A (zh) * 2021-09-02 2021-12-24 苏州触达信息技术有限公司 基于巡检机器人的变电站消防方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH489070A (de) * 1969-03-27 1970-04-15 Cerberus Ag Werk Fuer Elektron Ionisationsfeuermelder
US3718919A (en) * 1969-06-16 1973-02-27 Nittan Co Ltd Ionization smoke detector
NL7010779A (es) * 1969-07-24 1971-01-26
FR2065109A5 (es) * 1969-10-09 1971-07-23 Nittan Co Ltd
US3946374A (en) * 1970-08-13 1976-03-23 Sci Systems, Inc. Rate-of-change combustion and contamination detection device
JPS5136028B1 (es) * 1970-09-18 1976-10-06
US3728706A (en) * 1970-09-28 1973-04-17 Gen Signal Corp System for indicating aerosols in the atmosphere
US3701004A (en) * 1971-05-13 1972-10-24 Us Army Circuit for generating a repeatable voltage as a function of temperature
US3760199A (en) * 1972-09-11 1973-09-18 Burr Brown Res Corp Fet zero temperature-coefficient bias
US3909815A (en) * 1973-06-01 1975-09-30 Gamma Electronic Detector for fumes and combustion gases
CH572252A5 (es) * 1973-11-09 1976-01-30 Nohmi Bosai Kogyo Co Ltd
US3899693A (en) * 1974-02-14 1975-08-12 Minnesota Mining & Mfg Temperature compensated voltage reference device

Also Published As

Publication number Publication date
AU501708B2 (en) 1979-06-28
CH586941A5 (es) 1977-04-15
GB1513219A (en) 1978-06-07
DE2626779A1 (de) 1977-02-10
US4037106A (en) 1977-07-19
IT1067375B (it) 1985-03-16
ZA764066B (en) 1977-06-29
NZ181443A (en) 1980-10-24
DE2626779C2 (de) 1984-04-26
AU1583076A (en) 1978-01-19
SE408349B (sv) 1979-06-05
ATA447276A (de) 1979-08-15
CA1041678A (en) 1978-10-31
CS192562B2 (en) 1979-08-31
NO762588L (es) 1977-01-26
FR2319168A1 (fr) 1977-02-18
DK143922B (da) 1981-10-26
JPS5216294A (en) 1977-02-07
NO141578C (no) 1980-04-09
SE7607932L (sv) 1977-01-26
AT355957B (de) 1980-04-10
NO141578B (no) 1979-12-27
FR2319168B1 (es) 1980-01-04
BE843506A (fr) 1976-10-18
JPS5728156B2 (es) 1982-06-15
DK143922C (da) 1982-04-13
DK332876A (da) 1977-01-26
NL7606754A (nl) 1977-01-27

Similar Documents

Publication Publication Date Title
GB1432029A (en) Device for measuring neutron flux
BR7601801A (pt) Circuito de resitencia variavel e circuito amplificador decorrente continua de ganho variavel
ES415905A1 (es) Perfeccionamientos en los avisadores de incendios por ioni-zacion.
ES371702A1 (es) Una disposicion de circuito de proteccion para amplificado-res.
ES450049A1 (es) Perfeccionamientos en los detectores de humo por ionizacion.
GB1486535A (en) Fire sensor devices
ES535410A0 (es) Disposicion de circuito con perceptor de campo magnetico para medir un campo magnetico
NL7601261A (nl) Schakeling met een lage impedantie met ionisatie rook-sondes.
US3813565A (en) Detector apparatus
GB1192298A (en) Fire Alarm Devices including Field-Effect Transistors
ES386344A1 (es) Un circuito de deteccion de umbral de tension baja.
GB1259437A (es)
GB1261096A (en) Flame monitoring fuel control device
GB835551A (en) Improvements in and relating to temperature measuring devices
GB1426569A (en) Temperature responsive device
FR2274982A1 (fr) Installation d'avertissement d'incendie
USRE30117E (en) Ionization-type fire or smoke sensing system
ES279739A1 (es) Perfeccionamientos en aparatos de mediciën de temperaturas
GB1300909A (en) Ionization smoke detector
GB1512545A (en) Ionisation fire sensors
JPS52149449A (en) Sensing circuit
FR2312076A1 (fr) Detecteur thermique d'incendie
JPS5231778A (en) Three-wire type resistance thermometer
ES294672U (es) Detector de humos ionico
GB807232A (en) Improvements in and relating to temperature measuring devices