NL182989C - Brandmelder. - Google Patents
Brandmelder.Info
- Publication number
- NL182989C NL182989C NLAANVRAGE7908429,A NL7908429A NL182989C NL 182989 C NL182989 C NL 182989C NL 7908429 A NL7908429 A NL 7908429A NL 182989 C NL182989 C NL 182989C
- Authority
- NL
- Netherlands
- Prior art keywords
- fire alarm
- alarm
- fire
- Prior art date
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
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)
- Spectrometry And Color Measurement (AREA)
- Glass Compositions (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA786519A ZA786519B (en) | 1978-11-20 | 1978-11-20 | Detector |
ZA7806519 | 1978-11-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7908429A NL7908429A (nl) | 1980-05-22 |
NL182989B NL182989B (nl) | 1988-01-18 |
NL182989C true NL182989C (nl) | 1988-06-16 |
Family
ID=25573664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7908429,A NL182989C (nl) | 1978-11-20 | 1979-11-19 | Brandmelder. |
Country Status (20)
Country | Link |
---|---|
US (1) | US4423411A (nl) |
JP (1) | JPS5572294A (nl) |
AU (1) | AU534265B2 (nl) |
BE (1) | BE880166A (nl) |
BR (1) | BR7907533A (nl) |
CA (1) | CA1148278A (nl) |
CH (1) | CH647879A5 (nl) |
DE (1) | DE2946507C2 (nl) |
DK (1) | DK156785C (nl) |
FR (1) | FR2441892A1 (nl) |
GB (1) | GB2041534B (nl) |
IE (1) | IE48643B1 (nl) |
IT (1) | IT1124984B (nl) |
LU (1) | LU81912A1 (nl) |
NL (1) | NL182989C (nl) |
NO (1) | NO151062C (nl) |
PH (1) | PH21359A (nl) |
SE (1) | SE444240B (nl) |
ZA (1) | ZA786519B (nl) |
ZM (1) | ZM8979A1 (nl) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5189399A (en) * | 1989-02-18 | 1993-02-23 | Hartwig Beyersdorf | Method of operating an ionization smoke alarm and ionization smoke alarm |
DE3904979A1 (de) * | 1989-02-18 | 1990-08-23 | Beyersdorf Hartwig | Verfahren zum betrieb eines ionisationsrauchmelders und ionisationsrauchmelder |
US4904988A (en) * | 1989-03-06 | 1990-02-27 | Nesbit Charles E | Toy with a smoke detector |
US5563578A (en) * | 1993-07-26 | 1996-10-08 | Isenstein; Robert J. | Detection of hazardous gas leakage |
EP2265867B1 (en) * | 2008-03-07 | 2018-11-14 | Bertelli & Partners S.R.L. | Improved method and device to detect the flame in a burner operating on a solid, liquid or gaseous combustible |
DE102014019773B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons |
DE102014019172B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2954474A (en) * | 1955-04-01 | 1960-09-27 | Nat Res Corp | Measuring |
CH489070A (de) * | 1969-03-27 | 1970-04-15 | Cerberus Ag Werk Fuer Elektron | Ionisationsfeuermelder |
JPS529998B1 (nl) * | 1969-04-25 | 1977-03-19 | ||
NO129270B (nl) * | 1970-05-16 | 1974-03-18 | Preussag Ag Feuerschutz | |
US3964036A (en) * | 1972-11-15 | 1976-06-15 | Hochiki Corporation | Ionization smoke detector co-used to issue fire alarm and detect ambient atmosphere |
JPS5299099A (en) * | 1976-02-16 | 1977-08-19 | Nohmi Bosai Kogyo Co Ltd | Fire detector |
DE2711457C2 (de) * | 1977-03-16 | 1985-06-27 | Siemens AG, 1000 Berlin und 8000 München | Ionisationsbrandmelder |
-
1978
- 1978-11-20 ZA ZA786519A patent/ZA786519B/xx unknown
-
1979
- 1979-11-14 IE IE2181/79A patent/IE48643B1/en not_active IP Right Cessation
- 1979-11-15 NO NO79793696A patent/NO151062C/no unknown
- 1979-11-15 ZM ZM89/79A patent/ZM8979A1/xx unknown
- 1979-11-16 IT IT27341/79A patent/IT1124984B/it active
- 1979-11-17 DE DE2946507A patent/DE2946507C2/de not_active Expired
- 1979-11-19 DK DK490879A patent/DK156785C/da active
- 1979-11-19 CA CA000340127A patent/CA1148278A/en not_active Expired
- 1979-11-19 AU AU52947/79A patent/AU534265B2/en not_active Ceased
- 1979-11-19 SE SE7909517A patent/SE444240B/sv not_active IP Right Cessation
- 1979-11-19 CH CH10287/79A patent/CH647879A5/de not_active IP Right Cessation
- 1979-11-19 GB GB7939915A patent/GB2041534B/en not_active Expired
- 1979-11-19 LU LU81912A patent/LU81912A1/fr unknown
- 1979-11-19 JP JP14990779A patent/JPS5572294A/ja active Pending
- 1979-11-19 NL NLAANVRAGE7908429,A patent/NL182989C/nl not_active IP Right Cessation
- 1979-11-20 BE BE0/198211A patent/BE880166A/fr not_active IP Right Cessation
- 1979-11-20 PH PH23306A patent/PH21359A/en unknown
- 1979-11-20 FR FR7928549A patent/FR2441892A1/fr active Granted
- 1979-11-20 BR BR7907533A patent/BR7907533A/pt not_active IP Right Cessation
-
1981
- 1981-09-02 US US06/298,804 patent/US4423411A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DK490879A (da) | 1980-05-21 |
CH647879A5 (de) | 1985-02-15 |
DK156785C (da) | 1990-03-05 |
ZA786519B (en) | 1980-02-27 |
GB2041534A (en) | 1980-09-10 |
US4423411A (en) | 1983-12-27 |
IE792181L (en) | 1980-05-20 |
SE7909517L (sv) | 1980-05-21 |
ZM8979A1 (en) | 1981-08-21 |
NO793696L (no) | 1980-05-21 |
DK156785B (da) | 1989-10-02 |
LU81912A1 (fr) | 1980-04-22 |
AU5294779A (en) | 1980-06-12 |
DE2946507A1 (de) | 1980-05-29 |
NL7908429A (nl) | 1980-05-22 |
NO151062C (no) | 1985-01-30 |
BE880166A (fr) | 1980-03-17 |
BR7907533A (pt) | 1980-08-05 |
FR2441892A1 (fr) | 1980-06-13 |
SE444240B (sv) | 1986-03-24 |
NL182989B (nl) | 1988-01-18 |
JPS5572294A (en) | 1980-05-30 |
AU534265B2 (en) | 1984-01-12 |
GB2041534B (en) | 1983-06-15 |
DE2946507C2 (de) | 1986-04-10 |
FR2441892B1 (nl) | 1983-02-11 |
IE48643B1 (en) | 1985-04-03 |
IT7927341A0 (it) | 1979-11-16 |
PH21359A (en) | 1987-10-15 |
NO151062B (no) | 1984-10-22 |
CA1148278A (en) | 1983-06-14 |
IT1124984B (it) | 1986-05-14 |
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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 | ||
V1 | Lapsed because of non-payment of the annual fee |