SU368776A3 - - Google Patents
Info
- Publication number
- SU368776A3 SU368776A3 SU1298404A SU1298404A SU368776A3 SU 368776 A3 SU368776 A3 SU 368776A3 SU 1298404 A SU1298404 A SU 1298404A SU 1298404 A SU1298404 A SU 1298404A SU 368776 A3 SU368776 A3 SU 368776A3
- Authority
- SU
- USSR - Soviet Union
Links
Classifications
-
- 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
- H01J41/08—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of radioactive substances, e.g. alphatrons
-
- 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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Fire-Detection Mechanisms (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR136627 | 1968-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU368776A3 true SU368776A3 (enrdf_load_stackoverflow) | 1973-01-26 |
Family
ID=8644792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1298404A SU368776A3 (enrdf_load_stackoverflow) | 1968-01-19 | 1969-01-17 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1900888C3 (enrdf_load_stackoverflow) |
FR (1) | FR1568048A (enrdf_load_stackoverflow) |
GB (1) | GB1211181A (enrdf_load_stackoverflow) |
SU (1) | SU368776A3 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02307198A (ja) * | 1989-05-22 | 1990-12-20 | Hochiki Corp | イオン化式煙感知器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE696054C (de) * | 1936-12-02 | 1940-09-10 | Walter Jaeger | Verfahren und Einrichtung zur Gas- und Schwebestoffanalyse |
DE718327C (de) * | 1937-06-09 | 1942-03-09 | Walter Jaeger | Feuer- und Rauchmelder |
DE720180C (de) * | 1938-11-24 | 1942-04-27 | Walter Jaeger | Verfahren und Vorrichtung zur UEberwachung eines Gases |
GB657548A (en) * | 1947-12-15 | 1951-09-19 | Electronic Instr Ltd | Improvements in or relating to devices for testing gases |
DE844220C (de) * | 1949-08-01 | 1952-07-17 | Elektro Watt Elek Sche | Gasdetektor |
US2646556A (en) * | 1950-06-17 | 1953-07-21 | C O Two Fire Equipment Co | Supervised alarm system |
FR1147287A (fr) * | 1956-04-06 | 1957-11-21 | Dispositif de détection de fumées, de gaz radioactifs, de flammes (ou de lumière)et de contacts | |
DE1056008B (de) * | 1956-04-06 | 1959-04-23 | Phys Maurice E Nahmias Dr | Vorrichtung zur Feststellung von Rauch etc. |
NL99411C (enrdf_load_stackoverflow) * | 1957-01-25 | |||
CH355380A (de) * | 1957-10-30 | 1961-06-30 | Cerberus Gmbh | Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases |
NL286979A (enrdf_load_stackoverflow) * | 1962-01-10 | 1900-01-01 | ||
LU48167A1 (enrdf_load_stackoverflow) * | 1965-03-11 | 1966-09-12 | Applic Electroniques Ets |
-
1968
- 1968-01-19 FR FR1568048D patent/FR1568048A/fr not_active Expired
-
1969
- 1969-01-09 DE DE19691900888 patent/DE1900888C3/de not_active Expired
- 1969-01-10 GB GB167969A patent/GB1211181A/en not_active Expired
- 1969-01-17 SU SU1298404A patent/SU368776A3/ru active
Also Published As
Publication number | Publication date |
---|---|
GB1211181A (en) | 1970-11-04 |
DE1900888C3 (de) | 1981-07-16 |
DE1900888A1 (de) | 1969-09-04 |
DE1900888B2 (de) | 1976-07-01 |
FR1568048A (enrdf_load_stackoverflow) | 1969-05-23 |