DE1933938B2 - Ionisations rauchgasanzeiger - Google Patents

Ionisations rauchgasanzeiger

Info

Publication number
DE1933938B2
DE1933938B2 DE19691933938 DE1933938A DE1933938B2 DE 1933938 B2 DE1933938 B2 DE 1933938B2 DE 19691933938 DE19691933938 DE 19691933938 DE 1933938 A DE1933938 A DE 1933938A DE 1933938 B2 DE1933938 B2 DE 1933938B2
Authority
DE
Germany
Prior art keywords
smoke detector
ionization smoke
ionization
detector
smoke
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.)
Withdrawn
Application number
DE19691933938
Other languages
English (en)
Other versions
DE1933938A1 (de
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 filed Critical
Publication of DE1933938A1 publication Critical patent/DE1933938A1/de
Publication of DE1933938B2 publication Critical patent/DE1933938B2/de
Withdrawn legal-status Critical Current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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
    • G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Emergency Management (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Elimination Of Static Electricity (AREA)
DE19691933938 1968-07-11 1969-07-04 Ionisations rauchgasanzeiger Withdrawn DE1933938B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5851868 1968-07-11

Publications (2)

Publication Number Publication Date
DE1933938A1 DE1933938A1 (de) 1970-02-05
DE1933938B2 true DE1933938B2 (de) 1971-07-22

Family

ID=13086634

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691933938 Withdrawn DE1933938B2 (de) 1968-07-11 1969-07-04 Ionisations rauchgasanzeiger

Country Status (6)

Country Link
US (1) US3662177A (de)
BE (1) BE735386A (de)
CH (1) CH512121A (de)
DE (1) DE1933938B2 (de)
GB (1) GB1277091A (de)
NL (1) NL6910256A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551057A (de) * 1973-04-17 1974-06-28 Cerberus Ag Ionisationsfeuermelder.
US3935465A (en) * 1973-04-24 1976-01-27 Geba-Gesellschaft Fuer Elektronische Brandmeldeanlagen Mbh Ionization analyzing air pollution, smoke and fire alarm device
JPS5538607B2 (de) * 1973-11-06 1980-10-06
CA1267735A (en) * 1986-01-17 1990-04-10 Nohmi Bosai Kogyo Co., Ltd. Ionization type-smoke detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447137A (en) * 1965-05-13 1969-05-27 Bunker Ramo Digital memory apparatus
JPS446089Y1 (de) * 1966-03-30 1969-03-05
US3514603A (en) * 1966-12-22 1970-05-26 Johnson Service Co Ionization chamber detection apparatus having a low voltage source means

Also Published As

Publication number Publication date
NL6910256A (de) 1970-01-13
BE735386A (de) 1969-12-01
GB1277091A (en) 1972-06-07
DE1933938A1 (de) 1970-02-05
CH512121A (de) 1971-08-31
US3662177A (en) 1972-05-09

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee