NL7802821A - Ionisatie-brandmelder. - Google Patents

Ionisatie-brandmelder.

Info

Publication number: NL7802821A
Authority: NL; Netherlands
Prior art keywords: fire alarm; ionization fire; ionization; alarm; fire
Prior art date: 1977-03-16

Application number

NL7802821A

Other languages

English (en)

Original Assignee

Siemens 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.)

1977-03-16

Filing date

1978-03-15

Publication date

1978-09-19

1978-03-15 Application filed by Siemens Ag filed Critical Siemens Ag

1978-09-19 Publication of NL7802821A publication Critical patent/NL7802821A/nl

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

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)
Fire Alarms (AREA)

NL7802821A 1977-03-16 1978-03-15 Ionisatie-brandmelder. NL7802821A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2711457A DE2711457C2 (de)	1977-03-16	1977-03-16	Ionisationsbrandmelder

Publications (1)

Publication Number	Publication Date
NL7802821A true NL7802821A (nl)	1978-09-19

Family

ID=6003797

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7802821A NL7802821A (nl)	1977-03-16	1978-03-15	Ionisatie-brandmelder.

Country Status (11)

Country	Link
AT (1)	AT363014B (nl)
BE (1)	BE864974A (nl)
CH (1)	CH625071A5 (nl)
DE (1)	DE2711457C2 (nl)
DK (1)	DK142515C (nl)
FR (1)	FR2384307A1 (nl)
IT (1)	IT1094274B (nl)
LU (1)	LU79226A1 (nl)
NL (1)	NL7802821A (nl)
NO (1)	NO141008C (nl)
SE (1)	SE438385B (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA786519B (en) *	1978-11-20	1980-02-27	Anglo Amer Corp South Africa	Detector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1490273A (fr) *	1966-03-30	1967-07-28	Nittan Co Ltd	Dispositif d'alarme automatique d'incendie utilisant un dispositif à ions
GB1280304A (en) *	1968-09-26	1972-07-05	Hochiki Co	A smoke sensing detector for smoke sensing apparatus
JPS529998B1 (nl) *	1969-04-25	1977-03-19
ZA734995B (en) *	1973-07-23	1974-10-30	Anglo Amer Corp South Africa	Improvemente in or relating to fire detectors
ZA745453B (en) *	1974-08-26	1976-04-28	Anglo Amer Corp South Africa	Improvements in or relating to fire detectors

1977
- 1977-03-16 DE DE2711457A patent/DE2711457C2/de not_active Expired
- 1977-12-09 CH CH1514277A patent/CH625071A5/de not_active IP Right Cessation
1978
- 1978-03-10 IT IT21086/78A patent/IT1094274B/it active
- 1978-03-13 NO NO780876A patent/NO141008C/no unknown
- 1978-03-13 AT AT0177678A patent/AT363014B/de not_active IP Right Cessation
- 1978-03-14 FR FR7807355A patent/FR2384307A1/fr active Granted
- 1978-03-14 LU LU79226A patent/LU79226A1/de unknown
- 1978-03-15 DK DK116878A patent/DK142515C/da not_active IP Right Cessation
- 1978-03-15 NL NL7802821A patent/NL7802821A/nl not_active Application Discontinuation
- 1978-03-15 SE SE7802995A patent/SE438385B/sv not_active IP Right Cessation
- 1978-03-16 BE BE186000A patent/BE864974A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO780876L (no)	1978-09-19
DK116878A (da)	1978-09-17
IT7821086A0 (it)	1978-03-10
SE7802995L (sv)	1978-09-17
CH625071A5 (en)	1981-08-31
DK142515B (da)	1980-11-10
ATA177678A (de)	1980-11-15
FR2384307B1 (nl)	1982-07-16
SE438385B (sv)	1985-04-15
DE2711457A1 (de)	1978-09-21
BE864974A (fr)	1978-09-18
DK142515C (da)	1981-08-03
NO141008C (no)	1979-12-19
FR2384307A1 (fr)	1978-10-13
LU79226A1 (de)	1978-11-27
NO141008B (no)	1979-09-10
DE2711457C2 (de)	1985-06-27
AT363014B (de)	1981-07-10
IT1094274B (it)	1985-07-26

Similar Documents

Publication	Publication Date	Title
NL7702835A (nl)	1977-10-04	Rookmelder.
NL7702836A (nl)	1977-10-07	Rookmelder.
NL7709479A (nl)	1978-05-24	Ionisatie-brandmelder.
NL7802345A (nl)	1978-09-06	Alarmstelsel.
SE7704000L (sv)	1977-10-07	Brandsleckningsmedel
NL7810132A (nl)	1979-05-29	Brandgranaat.
NL7703363A (nl)	1977-10-04	Brandwerend gordijn.
SE425034B (sv)	1982-08-23	Brandalarmanordning
IT7821684A0 (it)	1978-03-28	Mezzi anti-incendio.
NO780435L (no)	1978-08-21	Fyringskjel.
NO145030C (no)	1981-12-28	Sikringsinnretning for brannroer.
NL7703583A (nl)	1978-10-03	Vlamionisatiedetector.
NL7809005A (nl)	1979-03-05	Vuur-vertragende polyalkenen.
NL7805894A (nl)	1978-12-05	Vlambewakingsstelsel.
BR7804414A (pt)	1979-05-08	Detector de fumaca de ionizacao
NL182989C (nl)	1988-06-16	Brandmelder.
SE7811388L (sv)	1979-05-05	Eldsleckningsmedel
BE852827A (nl)	1977-07-18	Rookmelder
NL7710512A (nl)	1979-03-29	Alarmeringsinrichting.
BR7702966A (pt)	1978-05-23	Extintor de incendio
NL7802821A (nl)	1978-09-19	Ionisatie-brandmelder.
NL7803260A (nl)	1978-09-27	Branddeur.
AT373156B (de)	1983-12-27	Feuerloeschanlage
NO140081C (no)	1979-07-04	Ioniserings-brannvarsler.
IT7826259A0 (it)	1978-07-28	Morsetto antincendio.

Legal Events

Date	Code	Title
1982-01-04	BA	A request for search or an international-type search has been filed
1982-02-01	BB	A search report has been drawn up
1982-03-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1987-11-02	BV	The patent application has lapsed