LU62557A1 - - Google Patents
Info
- Publication number
- LU62557A1 LU62557A1 LU62557DA LU62557A1 LU 62557 A1 LU62557 A1 LU 62557A1 LU 62557D A LU62557D A LU 62557DA LU 62557 A1 LU62557 A1 LU 62557A1
- Authority
- LU
- Luxembourg
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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702006371 DE2006371A1 (en) | 1970-02-09 | 1970-02-09 | Smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU62557A1 true LU62557A1 (en) | 1971-08-19 |
Family
ID=5762079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU62557D LU62557A1 (en) | 1970-02-09 | 1971-02-08 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE761610A (en) |
| DE (1) | DE2006371A1 (en) |
| FR (1) | FR2078384A5 (en) |
| GB (1) | GB1321016A (en) |
| LU (1) | LU62557A1 (en) |
| NL (1) | NL7100638A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3714926B2 (en) | 2002-08-22 | 2005-11-09 | ホーチキ株式会社 | Sampling tube smoke detector |
| US8289177B2 (en) * | 2009-06-29 | 2012-10-16 | Honeywell International Inc. | Circuitry to monitor and control source of radiant energy in smoke detector |
| EP2595126B1 (en) * | 2011-11-15 | 2019-03-06 | Siemens Schweiz AG | Alarm for use in the nuclear field with a heating system for heating semiconductor elements that are not typically radiation resistant to improve functional service life |
| US20130126508A1 (en) * | 2011-11-17 | 2013-05-23 | Texas Instruments Incorporated | Extending Radiation Tolerance By Localized Temperature Annealing Of Semiconductor Devices |
| ES2841315T3 (en) * | 2018-07-17 | 2021-07-08 | Schuetz Gmbh Messtechnik | Mobile and portable gas sensing device, gas measurement procedure and use of gas sensing device |
-
1970
- 1970-02-09 DE DE19702006371 patent/DE2006371A1/en active Pending
-
1971
- 1971-01-15 BE BE761610A patent/BE761610A/en unknown
- 1971-01-18 NL NL7100638A patent/NL7100638A/xx unknown
- 1971-02-08 LU LU62557D patent/LU62557A1/xx unknown
- 1971-02-09 FR FR7104297A patent/FR2078384A5/fr not_active Expired
- 1971-04-19 GB GB2089871A patent/GB1321016A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2006371A1 (en) | 1971-08-19 |
| GB1321016A (en) | 1973-06-20 |
| FR2078384A5 (en) | 1971-11-05 |
| BE761610A (en) | 1971-06-16 |
| NL7100638A (en) | 1971-08-11 |