CH597658A5 - - Google Patents
Info
- Publication number
- CH597658A5 CH597658A5 CH144376A CH144376A CH597658A5 CH 597658 A5 CH597658 A5 CH 597658A5 CH 144376 A CH144376 A CH 144376A CH 144376 A CH144376 A CH 144376A CH 597658 A5 CH597658 A5 CH 597658A5
- Authority
- CH
- Switzerland
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975017773U JPS5552558Y2 (US06294698-20010925-C00026.png) | 1975-02-10 | 1975-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH597658A5 true CH597658A5 (US06294698-20010925-C00026.png) | 1978-04-14 |
Family
ID=11953021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH144376A CH597658A5 (US06294698-20010925-C00026.png) | 1975-02-10 | 1976-02-04 |
Country Status (6)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2438841A1 (fr) * | 1978-10-13 | 1980-05-09 | Commissariat Energie Atomique | Capteur ionique pour detecteur d'incendie |
| EP0142827A1 (de) * | 1983-11-18 | 1985-05-29 | Siemens Aktiengesellschaft | Automatischer Brandmelder und Verfahren zur Fertigung automatischer Brandmelder |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171486A (en) * | 1977-08-31 | 1979-10-16 | Emhart Industries, Inc. | Ionization smoke detector with controlled sensitivity |
| US4185197A (en) * | 1978-01-13 | 1980-01-22 | General Electric Company | Arrangement for inhibiting the effect of extraneous electric fields on an improved ionization smoke detector |
| US4286159A (en) * | 1979-04-10 | 1981-08-25 | Hochiki Corporation | Detector coupling mechanism |
| US4396840A (en) * | 1980-10-01 | 1983-08-02 | Matsushita Electric Works, Ltd. | Ionization type smoke sensing device |
| US4488044A (en) * | 1981-11-20 | 1984-12-11 | Pittway Corporation | Ionization chamber for smoke detector and the like |
| FR2523309A1 (fr) * | 1982-03-09 | 1983-09-16 | Hugon Emile | Nouveau detecteur de fumees capacitif a modules interchangeables |
| EP0092859A3 (fr) * | 1982-04-27 | 1985-11-21 | Institut National des Radioélements Nationaal Instituut voor Radio-Elementen en abrégé :"I.R.E." | Détecteur ionique |
| US4761557A (en) * | 1985-08-24 | 1988-08-02 | Kohmi Bosai Kogyo Co., Ltd. | Ionization-type smoke detector |
| DE4028167A1 (de) * | 1990-09-05 | 1992-03-12 | Esser Sicherheitstechnik | Ionisationsbrandmelder |
| US5485144A (en) * | 1993-05-07 | 1996-01-16 | Pittway Corporation | Compensated ionization sensor |
| DE4324439C2 (de) * | 1993-07-21 | 1997-03-20 | Preussag Ag Minimax | Rauchmelder |
| DE102008032145B4 (de) * | 2008-07-08 | 2012-12-06 | Techem Energy Services Gmbh | Warnmelder mit einer zur Umgebung offenen Detektionskammer |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH483682A (de) * | 1969-03-28 | 1969-12-31 | Cerberus Ag | Automatischer Feuermelder mit mindestens einer Messkammer |
| CH486082A (de) * | 1969-05-19 | 1970-02-15 | Cerberus Ag | Ionisationsfeuermelder |
| US3824422A (en) * | 1972-06-27 | 1974-07-16 | Anglo Amer Corp South Africa | Smoke detectors |
-
1975
- 1975-02-10 JP JP1975017773U patent/JPS5552558Y2/ja not_active Expired
-
1976
- 1976-02-04 CH CH144376A patent/CH597658A5/xx not_active IP Right Cessation
- 1976-02-05 US US05/655,615 patent/US4044262A/en not_active Expired - Lifetime
- 1976-02-07 DE DE2604872A patent/DE2604872C3/de not_active Expired
- 1976-02-09 FR FR7603489A patent/FR2299878A1/fr active Granted
- 1976-02-10 GB GB5196/76A patent/GB1527011A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2438841A1 (fr) * | 1978-10-13 | 1980-05-09 | Commissariat Energie Atomique | Capteur ionique pour detecteur d'incendie |
| EP0142827A1 (de) * | 1983-11-18 | 1985-05-29 | Siemens Aktiengesellschaft | Automatischer Brandmelder und Verfahren zur Fertigung automatischer Brandmelder |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2604872A1 (de) | 1976-08-19 |
| JPS5552558Y2 (US06294698-20010925-C00026.png) | 1980-12-05 |
| US4044262A (en) | 1977-08-23 |
| DE2604872C3 (de) | 1982-01-07 |
| JPS51100581U (US06294698-20010925-C00026.png) | 1976-08-12 |
| DE2604872B2 (de) | 1981-04-30 |
| FR2299878A1 (fr) | 1976-09-03 |
| FR2299878B1 (US06294698-20010925-C00026.png) | 1980-06-06 |
| GB1527011A (en) | 1978-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |