CH446131A - Ionization fire alarm system - Google Patents

Ionization fire alarm system

Info

Publication number
CH446131A
CH446131A CH254966A CH254966A CH446131A CH 446131 A CH446131 A CH 446131A CH 254966 A CH254966 A CH 254966A CH 254966 A CH254966 A CH 254966A CH 446131 A CH446131 A CH 446131A
Authority
CH
Switzerland
Prior art keywords
alarm system
fire alarm
ionization fire
ionization
fire
Prior art date
Application number
CH254966A
Other languages
German (de)
Inventor
Lampart Thomas
Scheidweiler Andreas Dipl-Phys
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4236285&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CH446131(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to CH254966A priority Critical patent/CH446131A/en
Application filed by Cerberus Ag filed Critical Cerberus Ag
Priority to DEC41323A priority patent/DE1259227B/en
Priority to AT78267A priority patent/AT268101B/en
Priority to DK59467A priority patent/DK126607C/en
Priority to NL6701753.A priority patent/NL162493C/en
Priority to FR95041A priority patent/FR1511451A/en
Priority to BE694152D priority patent/BE694152A/xx
Priority to US617226A priority patent/US3521263A/en
Priority to SE02364/67A priority patent/SE328226B/xx
Priority to GB8469/67A priority patent/GB1109587A/en
Publication of CH446131A publication Critical patent/CH446131A/en

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

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)
CH254966A 1966-02-22 1966-02-22 Ionization fire alarm system CH446131A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CH254966A CH446131A (en) 1966-02-22 1966-02-22 Ionization fire alarm system
DEC41323A DE1259227B (en) 1966-02-22 1967-01-25 Ionization fire alarm with increased sensitivity to smoke
AT78267A AT268101B (en) 1966-02-22 1967-01-27 Ionization fire alarms
DK59467A DK126607C (en) 1966-02-22 1967-02-02 IONIZATION FIRE ALARM
NL6701753.A NL162493C (en) 1966-02-22 1967-02-05 IONIZATION FIRE ALARM.
FR95041A FR1511451A (en) 1966-02-22 1967-02-15 Ionization fire alarm
BE694152D BE694152A (en) 1966-02-22 1967-02-16
US617226A US3521263A (en) 1966-02-22 1967-02-20 Ionization fire alarm and improved method of detecting smoke and combustion aerosols
SE02364/67A SE328226B (en) 1966-02-22 1967-02-21
GB8469/67A GB1109587A (en) 1966-02-22 1967-02-22 Improvements in or relating to ionization smoke detectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH254966A CH446131A (en) 1966-02-22 1966-02-22 Ionization fire alarm system

Publications (1)

Publication Number Publication Date
CH446131A true CH446131A (en) 1967-10-31

Family

ID=4236285

Family Applications (1)

Application Number Title Priority Date Filing Date
CH254966A CH446131A (en) 1966-02-22 1966-02-22 Ionization fire alarm system

Country Status (10)

Country Link
US (1) US3521263A (en)
AT (1) AT268101B (en)
BE (1) BE694152A (en)
CH (1) CH446131A (en)
DE (1) DE1259227B (en)
DK (1) DK126607C (en)
FR (1) FR1511451A (en)
GB (1) GB1109587A (en)
NL (1) NL162493C (en)
SE (1) SE328226B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO129270B (en) * 1970-05-16 1974-03-18 Preussag Ag Feuerschutz
US3775616A (en) * 1970-06-08 1973-11-27 Nittan Co Ltd Ionization smoke detector
US3735138A (en) * 1971-10-27 1973-05-22 Honeywell Inc Ionization smoke detector
US3913082A (en) * 1973-02-02 1975-10-14 Jenson Robert S Ionization aerosol detector
US4038649A (en) * 1975-09-16 1977-07-26 Emhart Industries, Inc. Smoke detection alarm device
US4053776A (en) * 1976-05-25 1977-10-11 The United States Of America As Represented By Thesecretary Of The Interior Sub-micron particle detector
US4286160A (en) * 1977-01-27 1981-08-25 Ried Jr Louis Ionization particle detector
CA1148279A (en) * 1979-12-14 1983-06-14 Andreas Scheidweiler Ionization smoke detector with increased operational reliability
US4488044A (en) * 1981-11-20 1984-12-11 Pittway Corporation Ionization chamber for smoke detector and the like
US4755682A (en) * 1986-10-07 1988-07-05 The United States Of America As Represented By The United States Department Of Energy Ionization monitor with improved ultra-high megohm resistor
US4808977A (en) * 1987-08-20 1989-02-28 Hedrick Terry J Electromechanical evacuation exit indicating flag
US5189399A (en) * 1989-02-18 1993-02-23 Hartwig Beyersdorf Method of operating an ionization smoke alarm and ionization smoke alarm

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2145866A (en) * 1929-08-14 1939-02-07 Gioacchino Failla Electrotechnique
BE393134A (en) * 1932-11-07
NL286979A (en) * 1962-01-10 1900-01-01
GB1009271A (en) * 1963-03-04 1965-11-10 Associated Fire Alarms Ltd Improvements in or relating to smoke detector circuits

Also Published As

Publication number Publication date
DK126607B (en) 1973-07-30
FR1511451A (en) 1968-01-26
NL162493B (en) 1979-12-17
US3521263A (en) 1970-07-21
DE1259227B (en) 1968-01-18
SE328226B (en) 1970-09-07
NL6701753A (en) 1967-08-23
BE694152A (en) 1967-07-31
NL162493C (en) 1980-05-16
GB1109587A (en) 1968-04-10
DK126607C (en) 1977-06-20
AT268101B (en) 1969-01-27

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