NL7712989A - Ionisatiekamer. - Google Patents

Ionisatiekamer.

Info

Publication number
NL7712989A
NL7712989A NL7712989A NL7712989A NL7712989A NL 7712989 A NL7712989 A NL 7712989A NL 7712989 A NL7712989 A NL 7712989A NL 7712989 A NL7712989 A NL 7712989A NL 7712989 A NL7712989 A NL 7712989A
Authority
NL
Netherlands
Prior art keywords
ionization room
ionization
room
Prior art date
Application number
NL7712989A
Other languages
English (en)
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 NL7712989A publication Critical patent/NL7712989A/nl

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)
NL7712989A 1976-11-29 1977-11-25 Ionisatiekamer. NL7712989A (nl)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7712989A true NL7712989A (nl) 1978-05-31

Family

ID=4405541

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7712989A NL7712989A (nl) 1976-11-29 1977-11-25 Ionisatiekamer.

Country Status (14)

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

Families Citing this family (2)

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

Family Cites Families (12)

* 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
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
US2179068A (en) * 1937-12-09 1939-11-07 Sprague Specialties Co Variable condenser
US3271756A (en) * 1960-03-22 1966-09-06 Harold J Burke Method and apparatus for detecting a hazardous condition
LU48167A1 (nl) * 1965-03-11 1966-09-12 Applic Electroniques Ets
CH486082A (de) * 1969-05-19 1970-02-15 Cerberus Ag Ionisationsfeuermelder
CH508251A (de) * 1970-07-23 1971-05-31 Cerberus Ag Ionisationsfeuermelder
US3909815A (en) * 1973-06-01 1975-09-30 Gamma Electronic Detector for fumes and combustion gases
DD106728A1 (nl) * 1973-09-17 1974-06-20
US3934145A (en) * 1973-10-25 1976-01-20 Emhart Corporation Ionization smoke detector and alarm system

Also Published As

Publication number Publication date
JPS5947692A (ja) 1984-03-17
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
DK153910B (da) 1988-09-19
US4194120A (en) 1980-03-18
NO774071L (no) 1978-05-30
JPS598774B2 (ja) 1984-02-27
CH600563A5 (nl) 1978-06-15
JPS6349279B2 (nl) 1988-10-04
CA1102016A (en) 1981-05-26
NO140644C (no) 1979-10-10
BE860550A (fr) 1978-03-01
FR2372510B1 (nl) 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
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed