DE2165619A1 - - Google Patents
Info
- Publication number
- DE2165619A1 DE2165619A1 DE19712165619 DE2165619A DE2165619A1 DE 2165619 A1 DE2165619 A1 DE 2165619A1 DE 19712165619 DE19712165619 DE 19712165619 DE 2165619 A DE2165619 A DE 2165619A DE 2165619 A1 DE2165619 A1 DE 2165619A1
- Authority
- DE
- Germany
- 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
- G08B17/113—Constructional details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
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)
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE793205D BE793205A (fr) | 1971-12-30 | Avertisseur d'incendie a ionisation | |
| DE19712165619 DE2165619C2 (de) | 1971-12-30 | Ionisationsfeuermelder | |
| FR7246101A FR2166005B3 (https=) | 1971-12-30 | 1972-12-13 | |
| CH1820772A CH558059A (de) | 1971-12-30 | 1972-12-14 | Ionisations-feuermelder. |
| AU50039/72A AU5003972A (en) | 1971-12-30 | 1972-12-14 | Ionization fire detector |
| AT1095272A AT332762B (de) | 1971-12-30 | 1972-12-21 | Ionisations-feuermelder |
| IT7106572A IT976193B (it) | 1971-12-30 | 1972-12-22 | Avvisatore d incendio a ionizzazio ne |
| SE7217074A SE379874B (https=) | 1971-12-30 | 1972-12-28 | |
| GB6002172A GB1407639A (en) | 1971-12-30 | 1972-12-29 | Ionization fire alarm |
| JP407773A JPS4879998A (https=) | 1971-12-30 | 1972-12-29 | |
| ES410210A ES410210A1 (es) | 1971-12-30 | 1972-12-29 | Avisador de incendios por ionizacion. |
| NL7217843A NL7217843A (https=) | 1971-12-30 | 1972-12-29 | |
| DK655672A DK139546C (da) | 1971-12-30 | 1972-12-29 | Ioniseringsbrandmelder |
| BR9274/72A BR7209274D0 (pt) | 1971-12-30 | 1972-12-29 | Detector de incendio por ionizacao |
| ZA730012A ZA7312B (en) | 1971-12-30 | 1973-01-02 | Fire alarm apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712165619 DE2165619C2 (de) | 1971-12-30 | Ionisationsfeuermelder |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2165619A1 true DE2165619A1 (https=) | 1973-01-25 |
| DE2165619B1 DE2165619B1 (de) | 1973-01-25 |
| DE2165619C2 DE2165619C2 (de) | 1976-11-11 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| AU5003972A (en) | 1974-06-20 |
| ZA7312B (en) | 1973-10-31 |
| BR7209274D0 (pt) | 1973-09-20 |
| DE2165619B1 (de) | 1973-01-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 |