FR2252616A1 - - Google Patents
Info
- Publication number
- FR2252616A1 FR2252616A1 FR7437953A FR7437953A FR2252616A1 FR 2252616 A1 FR2252616 A1 FR 2252616A1 FR 7437953 A FR7437953 A FR 7437953A FR 7437953 A FR7437953 A FR 7437953A FR 2252616 A1 FR2252616 A1 FR 2252616A1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1659873A CH556072A (de) | 1973-11-26 | 1973-11-26 | Ionisationsfeuermelder. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2252616A1 true FR2252616A1 (cg-RX-API-DMAC10.html) | 1975-06-20 |
| FR2252616B1 FR2252616B1 (cg-RX-API-DMAC10.html) | 1980-03-14 |
Family
ID=4418667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7437953A Expired FR2252616B1 (cg-RX-API-DMAC10.html) | 1973-11-26 | 1974-11-18 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5513073B2 (cg-RX-API-DMAC10.html) |
| CH (1) | CH556072A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2453062C2 (cg-RX-API-DMAC10.html) |
| DK (1) | DK612574A (cg-RX-API-DMAC10.html) |
| FR (1) | FR2252616B1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1469267A (cg-RX-API-DMAC10.html) |
| HK (1) | HK58777A (cg-RX-API-DMAC10.html) |
| IE (1) | IE40219B1 (cg-RX-API-DMAC10.html) |
| NO (1) | NO139459C (cg-RX-API-DMAC10.html) |
| SE (1) | SE394530B (cg-RX-API-DMAC10.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT363827B (de) * | 1976-02-06 | 1981-09-10 | Cerberus Ag | Anordnung zur brandmeldung |
| US4104619A (en) * | 1976-10-01 | 1978-08-01 | General Electric Company | Smoke detector |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1081356B (de) * | 1958-01-08 | 1960-05-05 | Honeywell Regulator Co | Auf dem Ionisationsprinzip beruhender Detektor |
| DE1279513B (de) * | 1963-10-16 | 1968-10-03 | Pour Applic Electroniques Ets | Ionisationsmelder, dessen Ionisationskammer fuer die Atmosphaere zugaenglich ist |
| US3673586A (en) * | 1970-02-19 | 1972-06-27 | Statitrol Corp | Resistance controlled timed pulse generator |
-
1973
- 1973-11-26 CH CH1659873A patent/CH556072A/xx not_active IP Right Cessation
-
1974
- 1974-11-08 DE DE2453062A patent/DE2453062C2/de not_active Expired
- 1974-11-11 JP JP12905674A patent/JPS5513073B2/ja not_active Expired
- 1974-11-18 FR FR7437953A patent/FR2252616B1/fr not_active Expired
- 1974-11-25 DK DK612574A patent/DK612574A/da not_active Application Discontinuation
- 1974-11-25 SE SE7414766A patent/SE394530B/xx unknown
- 1974-11-25 NO NO744230A patent/NO139459C/no unknown
- 1974-11-26 IE IE2430/74A patent/IE40219B1/xx unknown
- 1974-11-26 GB GB5117274A patent/GB1469267A/en not_active Expired
-
1977
- 1977-11-24 HK HK587/77A patent/HK58777A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO139459B (no) | 1978-12-04 |
| JPS5086300A (cg-RX-API-DMAC10.html) | 1975-07-11 |
| CH556072A (de) | 1974-11-15 |
| JPS5513073B2 (cg-RX-API-DMAC10.html) | 1980-04-05 |
| IE40219L (en) | 1975-05-26 |
| NO744230L (cg-RX-API-DMAC10.html) | 1975-06-23 |
| FR2252616B1 (cg-RX-API-DMAC10.html) | 1980-03-14 |
| GB1469267A (en) | 1977-04-06 |
| NO139459C (no) | 1979-03-14 |
| HK58777A (en) | 1977-12-02 |
| DK612574A (cg-RX-API-DMAC10.html) | 1975-07-14 |
| SE7414766L (cg-RX-API-DMAC10.html) | 1975-05-27 |
| IE40219B1 (en) | 1979-04-11 |
| DE2453062A1 (de) | 1975-05-28 |
| SE394530B (sv) | 1977-06-27 |
| DE2453062C2 (de) | 1982-09-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |