DK153910B - Ioniseringskammer til en ioniseringsroegfoeler - Google Patents

Ioniseringskammer til en ioniseringsroegfoeler Download PDF

Info

Publication number
DK153910B
DK153910B DK526277AA DK526277A DK153910B DK 153910 B DK153910 B DK 153910B DK 526277A A DK526277A A DK 526277AA DK 526277 A DK526277 A DK 526277A DK 153910 B DK153910 B DK 153910B
Authority
DK
Denmark
Prior art keywords
electrode
housing
ionization chamber
shaped
plate
Prior art date
Application number
DK526277AA
Other languages
Danish (da)
English (en)
Other versions
DK526277A (da
Inventor
Otto Meier
Andreas Scheidweiler
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 DK526277A publication Critical patent/DK526277A/da
Publication of DK153910B publication Critical patent/DK153910B/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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electron Tubes For Measurement (AREA)
DK526277AA 1976-11-29 1977-11-28 Ioniseringskammer til en ioniseringsroegfoeler DK153910B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1500676 1976-11-29
CH1500676A CH600563A5 (fi) 1976-11-29 1976-11-29

Publications (2)

Publication Number Publication Date
DK526277A DK526277A (da) 1978-05-30
DK153910B true DK153910B (da) 1988-09-19

Family

ID=4405541

Family Applications (1)

Application Number Title Priority Date Filing Date
DK526277AA DK153910B (da) 1976-11-29 1977-11-28 Ioniseringskammer til en ioniseringsroegfoeler

Country Status (14)

Country Link
US (1) US4194120A (fi)
JP (2) JPS598774B2 (fi)
AU (1) AU505532B2 (fi)
BE (1) BE860550A (fi)
CA (1) CA1102016A (fi)
CH (1) CH600563A5 (fi)
DE (1) DE2742274C2 (fi)
DK (1) DK153910B (fi)
FI (1) FI69935C (fi)
FR (1) FR2372510A1 (fi)
GB (1) GB1582990A (fi)
NL (1) NL7712989A (fi)
NO (1) NO140644C (fi)
SE (1) SE446487B (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237395U (fi) * 1985-08-24 1987-03-05
GB2233814B (en) * 1989-07-10 1994-06-22 Toshiba Kk Laser apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1740159A (en) * 1924-01-16 1929-12-17 Dubilier Condenser Corp Variable condenser
US2179068A (en) * 1937-12-09 1939-11-07 Sprague Specialties Co Variable condenser
US3710110A (en) * 1969-05-19 1973-01-09 Cerberus Ag Ionization fire alarm device with shielding for its electrical circuitry
US3909815A (en) * 1973-06-01 1975-09-30 Gamma Electronic Detector for fumes and combustion gases

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1722326A (en) * 1924-06-10 1929-07-30 Dubilier Condenser & Radio Cor Variable condenser
US1743019A (en) * 1927-06-30 1930-01-07 Fed Telegraph Co Electrical condenser
US1729704A (en) * 1927-12-10 1929-10-01 Gen Electric Adjustable condenser
US3271756A (en) * 1960-03-22 1966-09-06 Harold J Burke Method and apparatus for detecting a hazardous condition
LU48167A1 (fi) * 1965-03-11 1966-09-12 Applic Electroniques Ets
CH508251A (de) * 1970-07-23 1971-05-31 Cerberus Ag Ionisationsfeuermelder
DD106728A1 (fi) * 1973-09-17 1974-06-20
US3934145A (en) * 1973-10-25 1976-01-20 Emhart Corporation Ionization smoke detector and alarm system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1740159A (en) * 1924-01-16 1929-12-17 Dubilier Condenser Corp Variable condenser
US2179068A (en) * 1937-12-09 1939-11-07 Sprague Specialties Co Variable condenser
US3710110A (en) * 1969-05-19 1973-01-09 Cerberus Ag Ionization fire alarm device with shielding for its electrical circuitry
US3909815A (en) * 1973-06-01 1975-09-30 Gamma Electronic Detector for fumes and combustion gases

Also Published As

Publication number Publication date
JPS5947692A (ja) 1984-03-17
NL7712989A (nl) 1978-05-31
FI69935C (fi) 1986-05-26
FI773243A (fi) 1978-05-30
NO140644B (no) 1979-07-02
AU505532B2 (en) 1979-11-22
DE2742274A1 (de) 1978-06-01
DE2742274C2 (de) 1984-09-06
JPS5368294A (en) 1978-06-17
FR2372510A1 (fr) 1978-06-23
SE7713006L (sv) 1978-05-30
SE446487B (sv) 1986-09-15
AU2980077A (en) 1979-04-26
US4194120A (en) 1980-03-18
NO774071L (no) 1978-05-30
JPS598774B2 (ja) 1984-02-27
CH600563A5 (fi) 1978-06-15
JPS6349279B2 (fi) 1988-10-04
CA1102016A (en) 1981-05-26
NO140644C (no) 1979-10-10
BE860550A (fr) 1978-03-01
FR2372510B1 (fi) 1980-08-29
GB1582990A (en) 1981-01-21
DK526277A (da) 1978-05-30
FI69935B (fi) 1985-12-31

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Legal Events

Date Code Title Description
PHB Application deemed withdrawn due to non-payment or other reasons