DK332876A - Ioniseringsrogmelder - Google Patents
IoniseringsrogmelderInfo
- Publication number
- DK332876A DK332876A DK332876A DK332876A DK332876A DK 332876 A DK332876 A DK 332876A DK 332876 A DK332876 A DK 332876A DK 332876 A DK332876 A DK 332876A DK 332876 A DK332876 A DK 332876A
- Authority
- DK
- Denmark
- Prior art keywords
- smoker
- ionization
- ionization smoker
- 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)
- Medicines Containing Plant Substances (AREA)
- Geophysics And Detection Of Objects (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH971075A CH586941A5 (da) | 1975-07-25 | 1975-07-25 | |
| CH971075 | 1975-07-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK332876A true DK332876A (da) | 1977-01-26 |
| DK143922B DK143922B (da) | 1981-10-26 |
| DK143922C DK143922C (da) | 1982-04-13 |
Family
ID=4354810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK332876A DK143922C (da) | 1975-07-25 | 1976-07-23 | Ioniseringsroegmelder med temperaturkompensation |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4037106A (da) |
| JP (1) | JPS5216294A (da) |
| AT (1) | AT355957B (da) |
| AU (1) | AU501708B2 (da) |
| BE (1) | BE843506A (da) |
| CA (1) | CA1041678A (da) |
| CH (1) | CH586941A5 (da) |
| CS (1) | CS192562B2 (da) |
| DE (1) | DE2626779C2 (da) |
| DK (1) | DK143922C (da) |
| ES (1) | ES450049A1 (da) |
| FR (1) | FR2319168A1 (da) |
| GB (1) | GB1513219A (da) |
| IT (1) | IT1067375B (da) |
| NL (1) | NL7606754A (da) |
| NO (1) | NO141578C (da) |
| NZ (1) | NZ181443A (da) |
| SE (1) | SE408349B (da) |
| ZA (1) | ZA764066B (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2707409C2 (de) * | 1977-02-21 | 1985-02-21 | Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf | Ionisationsbrandmelder |
| DE3004753C2 (de) * | 1980-02-08 | 1983-12-22 | Hartwig Dipl.-Ing. 2409 Scharbeutz Beyersdorf | Brandmeldeeinrichtung |
| US6292105B1 (en) * | 1998-12-23 | 2001-09-18 | The Johns Hopkins University | Thermal ionization detector |
| AT414179B (de) * | 2001-11-19 | 2006-09-15 | Vaillant Gmbh | Flammenüberwachungsschaltung |
| CN113829340A (zh) * | 2021-09-02 | 2021-12-24 | 苏州触达信息技术有限公司 | 基于巡检机器人的变电站消防方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH489070A (de) * | 1969-03-27 | 1970-04-15 | Cerberus Ag Werk Fuer Elektron | Ionisationsfeuermelder |
| US3718919A (en) * | 1969-06-16 | 1973-02-27 | Nittan Co Ltd | Ionization smoke detector |
| NL7010779A (da) * | 1969-07-24 | 1971-01-26 | ||
| FR2065109A5 (da) * | 1969-10-09 | 1971-07-23 | Nittan Co Ltd | |
| US3946374A (en) * | 1970-08-13 | 1976-03-23 | Sci Systems, Inc. | Rate-of-change combustion and contamination detection device |
| JPS5136028B1 (da) * | 1970-09-18 | 1976-10-06 | ||
| US3728706A (en) * | 1970-09-28 | 1973-04-17 | Gen Signal Corp | System for indicating aerosols in the atmosphere |
| US3701004A (en) * | 1971-05-13 | 1972-10-24 | Us Army | Circuit for generating a repeatable voltage as a function of temperature |
| US3760199A (en) * | 1972-09-11 | 1973-09-18 | Burr Brown Res Corp | Fet zero temperature-coefficient bias |
| US3909815A (en) * | 1973-06-01 | 1975-09-30 | Gamma Electronic | Detector for fumes and combustion gases |
| CH572252A5 (da) * | 1973-11-09 | 1976-01-30 | Nohmi Bosai Kogyo Co Ltd | |
| US3899693A (en) * | 1974-02-14 | 1975-08-12 | Minnesota Mining & Mfg | Temperature compensated voltage reference device |
-
1975
- 1975-07-25 CH CH971075A patent/CH586941A5/xx not_active IP Right Cessation
-
1976
- 1976-06-15 DE DE2626779A patent/DE2626779C2/de not_active Expired
- 1976-06-18 AT AT447276A patent/AT355957B/de not_active IP Right Cessation
- 1976-06-21 FR FR7618846A patent/FR2319168A1/fr active Granted
- 1976-06-22 NL NL7606754A patent/NL7606754A/xx not_active Application Discontinuation
- 1976-06-24 US US05/699,333 patent/US4037106A/en not_active Expired - Lifetime
- 1976-06-28 BE BE168391A patent/BE843506A/xx not_active IP Right Cessation
- 1976-06-30 CA CA256,121A patent/CA1041678A/en not_active Expired
- 1976-07-05 JP JP51079077A patent/JPS5216294A/ja active Granted
- 1976-07-08 ZA ZA764066A patent/ZA764066B/xx unknown
- 1976-07-09 IT IT25166/76A patent/IT1067375B/it active
- 1976-07-12 SE SE7607932A patent/SE408349B/xx not_active IP Right Cessation
- 1976-07-12 NZ NZ181443A patent/NZ181443A/xx unknown
- 1976-07-12 ES ES450049A patent/ES450049A1/es not_active Expired
- 1976-07-13 AU AU15830/76A patent/AU501708B2/en not_active Expired
- 1976-07-19 CS CS764745A patent/CS192562B2/cs unknown
- 1976-07-23 DK DK332876A patent/DK143922C/da not_active IP Right Cessation
- 1976-07-23 NO NO762588A patent/NO141578C/no unknown
- 1976-07-23 GB GB30899/76A patent/GB1513219A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU501708B2 (en) | 1979-06-28 |
| CH586941A5 (da) | 1977-04-15 |
| GB1513219A (en) | 1978-06-07 |
| DE2626779A1 (de) | 1977-02-10 |
| US4037106A (en) | 1977-07-19 |
| IT1067375B (it) | 1985-03-16 |
| ZA764066B (en) | 1977-06-29 |
| NZ181443A (en) | 1980-10-24 |
| DE2626779C2 (de) | 1984-04-26 |
| AU1583076A (en) | 1978-01-19 |
| SE408349B (sv) | 1979-06-05 |
| ATA447276A (de) | 1979-08-15 |
| CA1041678A (en) | 1978-10-31 |
| CS192562B2 (en) | 1979-08-31 |
| NO762588L (da) | 1977-01-26 |
| FR2319168A1 (fr) | 1977-02-18 |
| DK143922B (da) | 1981-10-26 |
| JPS5216294A (en) | 1977-02-07 |
| NO141578C (no) | 1980-04-09 |
| SE7607932L (sv) | 1977-01-26 |
| AT355957B (de) | 1980-04-10 |
| NO141578B (no) | 1979-12-27 |
| FR2319168B1 (da) | 1980-01-04 |
| BE843506A (fr) | 1976-10-18 |
| ES450049A1 (es) | 1977-07-16 |
| JPS5728156B2 (da) | 1982-06-15 |
| DK143922C (da) | 1982-04-13 |
| NL7606754A (nl) | 1977-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |