IT7927341A0 - Rivelatore. - Google Patents
Rivelatore.Info
- Publication number
- IT7927341A0 IT7927341A0 IT7927341A IT2734179A IT7927341A0 IT 7927341 A0 IT7927341 A0 IT 7927341A0 IT 7927341 A IT7927341 A IT 7927341A IT 2734179 A IT2734179 A IT 2734179A IT 7927341 A0 IT7927341 A0 IT 7927341A0
- Authority
- IT
- Italy
- Prior art keywords
- detector
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA786519A ZA786519B (en) | 1978-11-20 | 1978-11-20 | Detector |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7927341A0 true IT7927341A0 (it) | 1979-11-16 |
IT1124984B IT1124984B (it) | 1986-05-14 |
Family
ID=25573664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27341/79A IT1124984B (it) | 1978-11-20 | 1979-11-16 | Rivelatore |
Country Status (20)
Country | Link |
---|---|
US (1) | US4423411A (it) |
JP (1) | JPS5572294A (it) |
AU (1) | AU534265B2 (it) |
BE (1) | BE880166A (it) |
BR (1) | BR7907533A (it) |
CA (1) | CA1148278A (it) |
CH (1) | CH647879A5 (it) |
DE (1) | DE2946507C2 (it) |
DK (1) | DK156785C (it) |
FR (1) | FR2441892A1 (it) |
GB (1) | GB2041534B (it) |
IE (1) | IE48643B1 (it) |
IT (1) | IT1124984B (it) |
LU (1) | LU81912A1 (it) |
NL (1) | NL182989C (it) |
NO (1) | NO151062C (it) |
PH (1) | PH21359A (it) |
SE (1) | SE444240B (it) |
ZA (1) | ZA786519B (it) |
ZM (1) | ZM8979A1 (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3904979A1 (de) * | 1989-02-18 | 1990-08-23 | Beyersdorf Hartwig | Verfahren zum betrieb eines ionisationsrauchmelders und ionisationsrauchmelder |
US5189399A (en) * | 1989-02-18 | 1993-02-23 | Hartwig Beyersdorf | Method of operating an ionization smoke alarm and ionization smoke alarm |
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 |
US8773137B2 (en) * | 2008-03-07 | 2014-07-08 | Bertelli & Partners, S.R.L. | Method and device to detect the flame in a burner operating on a solid, liquid or gaseous combustible |
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 |
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 |
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 (it) * | 1969-04-25 | 1977-03-19 | ||
NO129270B (it) * | 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 SE SE7909517A patent/SE444240B/sv not_active IP Right Cessation
- 1979-11-19 CA CA000340127A patent/CA1148278A/en not_active Expired
- 1979-11-19 GB GB7939915A patent/GB2041534B/en not_active Expired
- 1979-11-19 DK DK490879A patent/DK156785C/da active
- 1979-11-19 AU AU52947/79A patent/AU534265B2/en not_active Ceased
- 1979-11-19 JP JP14990779A patent/JPS5572294A/ja active Pending
- 1979-11-19 LU LU81912A patent/LU81912A1/fr unknown
- 1979-11-19 CH CH10287/79A patent/CH647879A5/de not_active IP Right Cessation
- 1979-11-19 NL NLAANVRAGE7908429,A patent/NL182989C/xx not_active IP Right Cessation
- 1979-11-20 BR BR7907533A patent/BR7907533A/pt 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
-
1981
- 1981-09-02 US US06/298,804 patent/US4423411A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2041534B (en) | 1983-06-15 |
SE444240B (sv) | 1986-03-24 |
BR7907533A (pt) | 1980-08-05 |
NL7908429A (nl) | 1980-05-22 |
BE880166A (fr) | 1980-03-17 |
US4423411A (en) | 1983-12-27 |
IE792181L (en) | 1980-05-20 |
IE48643B1 (en) | 1985-04-03 |
LU81912A1 (fr) | 1980-04-22 |
ZA786519B (en) | 1980-02-27 |
DE2946507C2 (de) | 1986-04-10 |
SE7909517L (sv) | 1980-05-21 |
NL182989C (nl) | 1988-06-16 |
DE2946507A1 (de) | 1980-05-29 |
FR2441892B1 (it) | 1983-02-11 |
NO151062B (no) | 1984-10-22 |
NO793696L (no) | 1980-05-21 |
GB2041534A (en) | 1980-09-10 |
CA1148278A (en) | 1983-06-14 |
DK156785B (da) | 1989-10-02 |
NL182989B (nl) | 1988-01-18 |
AU5294779A (en) | 1980-06-12 |
JPS5572294A (en) | 1980-05-30 |
IT1124984B (it) | 1986-05-14 |
NO151062C (no) | 1985-01-30 |
PH21359A (en) | 1987-10-15 |
CH647879A5 (de) | 1985-02-15 |
DK156785C (da) | 1990-03-05 |
FR2441892A1 (fr) | 1980-06-13 |
DK490879A (da) | 1980-05-21 |
AU534265B2 (en) | 1984-01-12 |
ZM8979A1 (en) | 1981-08-21 |
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