FR2337881B2 - - Google Patents
Info
- Publication number
- FR2337881B2 FR2337881B2 FR7700423A FR7700423A FR2337881B2 FR 2337881 B2 FR2337881 B2 FR 2337881B2 FR 7700423 A FR7700423 A FR 7700423A FR 7700423 A FR7700423 A FR 7700423A FR 2337881 B2 FR2337881 B2 FR 2337881B2
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/647,388 US4035643A (en) | 1974-06-11 | 1976-01-08 | Infrared gas analysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2337881A2 FR2337881A2 (fr) | 1977-08-05 |
| FR2337881B2 true FR2337881B2 (OSRAM) | 1981-07-31 |
Family
ID=24596799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7700423A Granted FR2337881A2 (fr) | 1976-01-08 | 1977-01-07 | Procede et appareil de detection d'une espece moleculaire dans un echantillon gazeux |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5289978A (OSRAM) |
| CA (1) | CA1074148A (OSRAM) |
| DE (1) | DE2700422A1 (OSRAM) |
| FR (1) | FR2337881A2 (OSRAM) |
| GB (1) | GB1570899A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902896A (en) * | 1987-05-08 | 1990-02-20 | Mine Safety Appliances Company | Infrared fluid analyzer |
| DE102004041373B3 (de) * | 2004-08-25 | 2006-02-09 | Technische Universität Dresden | Verfahren zur Gewinnung von rauscharmen Messsignalen für einen schnellen infrarotoptischen Sensor |
| CN110346292B (zh) * | 2019-01-04 | 2024-06-25 | 内蒙古光能科技有限公司 | 一种光路可调的气体检测装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3939348A (en) * | 1974-06-11 | 1976-02-17 | Allied Chemical Corporation | Infrared gas analysis |
| US3984190A (en) * | 1974-11-26 | 1976-10-05 | Allied Chemical Corporation | Simultaneous transmission of periodic spectral components by plural interferometric means |
-
1977
- 1977-01-05 GB GB21277A patent/GB1570899A/en not_active Expired
- 1977-01-07 JP JP71677A patent/JPS5289978A/ja active Pending
- 1977-01-07 DE DE19772700422 patent/DE2700422A1/de not_active Withdrawn
- 1977-01-07 FR FR7700423A patent/FR2337881A2/fr active Granted
- 1977-01-07 CA CA269,348A patent/CA1074148A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2337881A2 (fr) | 1977-08-05 |
| DE2700422A1 (de) | 1977-08-18 |
| JPS5289978A (en) | 1977-07-28 |
| GB1570899A (en) | 1980-07-09 |
| CA1074148A (en) | 1980-03-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name |