DK531277A - Ioniseringakammer navnlig til roegfoelere - Google Patents

Ioniseringakammer navnlig til roegfoelere

Info

Publication number
DK531277A
DK531277A DK531277A DK531277A DK531277A DK 531277 A DK531277 A DK 531277A DK 531277 A DK531277 A DK 531277A DK 531277 A DK531277 A DK 531277A DK 531277 A DK531277 A DK 531277A
Authority
DK
Denmark
Prior art keywords
ionization chamber
smoke sensors
chamber namely
namely
smoke
Prior art date
Application number
DK531277A
Other languages
Danish (da)
English (en)
Inventor
W Schubert
B Durrer
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 DK531277A publication Critical patent/DK531277A/da

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)
  • Measurement Of Radiation (AREA)
  • Multicomponent Fibers (AREA)
DK531277A 1976-12-01 1977-11-30 Ioniseringakammer navnlig til roegfoelere DK531277A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1514476A CH600565A5 (fi) 1976-12-01 1976-12-01

Publications (1)

Publication Number Publication Date
DK531277A true DK531277A (da) 1978-06-02

Family

ID=4406746

Family Applications (1)

Application Number Title Priority Date Filing Date
DK531277A DK531277A (da) 1976-12-01 1977-11-30 Ioniseringakammer navnlig til roegfoelere

Country Status (13)

Country Link
US (1) US4189644A (fi)
JP (1) JPS5394992A (fi)
AU (1) AU508460B2 (fi)
CA (1) CA1091822A (fi)
CH (1) CH600565A5 (fi)
DE (1) DE2744831C2 (fi)
DK (1) DK531277A (fi)
FI (1) FI69719C (fi)
FR (1) FR2373155A1 (fi)
GB (1) GB1570794A (fi)
NL (1) NL7713260A (fi)
NO (1) NO140645C (fi)
SE (1) SE427139B (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276476A (en) * 1978-12-20 1981-06-30 General Electric Company Radiation detector having a unitary free floating electrode assembly
US4327289A (en) * 1978-12-26 1982-04-27 Solomon Elias E Ionization detector calibration
NL9300599A (nl) * 1993-04-06 1994-11-01 Vlasakker Environmental Resear Werkwijze voor het verwerken van champignonvoetjes.
US5485144A (en) * 1993-05-07 1996-01-16 Pittway Corporation Compensated ionization sensor
US6172489B1 (en) 1999-12-28 2001-01-09 Ultrawatt.Com Inc. Voltage control system and method
US8907530B1 (en) * 2011-11-03 2014-12-09 Paul Saxton System for reducing power consumption in a structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548385A (en) * 1946-03-11 1951-04-10 William C Marshall Movable electrode tube
LU48167A1 (fi) * 1965-03-11 1966-09-12 Applic Electroniques Ets
DD106728A1 (fi) * 1973-09-17 1974-06-20
US3934145A (en) * 1973-10-25 1976-01-20 Emhart Corporation Ionization smoke detector and alarm system
US4007374A (en) * 1975-07-07 1977-02-08 Gulf & Western Manufacturing Company (Systems) Ionization detector with improved radiation source
US4021671A (en) * 1975-07-07 1977-05-03 Gulf & Western Manufacturing Company (Systems) Ionization detector

Also Published As

Publication number Publication date
DE2744831C2 (de) 1984-08-09
GB1570794A (en) 1980-07-09
FI773399A (fi) 1978-06-02
CA1091822A (en) 1980-12-16
NO774093L (no) 1978-06-02
CH600565A5 (fi) 1978-06-15
NO140645C (no) 1979-10-10
DE2744831A1 (de) 1978-06-08
NO140645B (no) 1979-07-02
FR2373155B1 (fi) 1980-08-29
NL7713260A (nl) 1978-06-05
FI69719C (fi) 1986-03-10
US4189644A (en) 1980-02-19
AU508460B2 (en) 1980-03-20
FI69719B (fi) 1985-11-29
SE427139B (sv) 1983-03-07
JPS5761186B2 (fi) 1982-12-23
FR2373155A1 (fr) 1978-06-30
AU3100177A (en) 1979-06-07
SE7712612L (sv) 1978-06-02
JPS5394992A (en) 1978-08-19

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment