JPS4999084A - - Google Patents
Info
- Publication number
- JPS4999084A JPS4999084A JP471474A JP471474A JPS4999084A JP S4999084 A JPS4999084 A JP S4999084A JP 471474 A JP471474 A JP 471474A JP 471474 A JP471474 A JP 471474A JP S4999084 A JPS4999084 A JP S4999084A
- Authority
- JP
- Japan
- 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
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
- G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US319729 | 1972-12-29 | ||
| US00319729A US3836255A (en) | 1972-04-06 | 1972-12-29 | Spectrometric substance analyzer employing temperature modulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4999084A true JPS4999084A (en) | 1974-09-19 |
| JPS5924377B2 JPS5924377B2 (en) | 1984-06-08 |
Family
ID=23243424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP471474A Expired JPS5924377B2 (en) | 1972-12-29 | 1973-12-27 | Spectroscopic analysis methods and spectroscopic analyzers |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5924377B2 (en) |
| CA (1) | CA1000521A (en) |
| DE (1) | DE2364527A1 (en) |
| FR (1) | FR2212930A5 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU707822B2 (en) * | 1995-07-13 | 1999-07-22 | Koninklijke Philips Electronics N.V. | Method and system for data repetition between logically successive clusters |
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1973
- 1973-12-24 DE DE19732364527 patent/DE2364527A1/en not_active Ceased
- 1973-12-27 CA CA188,995A patent/CA1000521A/en not_active Expired
- 1973-12-27 JP JP471474A patent/JPS5924377B2/en not_active Expired
- 1973-12-28 FR FR7346856A patent/FR2212930A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2212930A5 (en) | 1974-07-26 |
| CA1000521A (en) | 1976-11-30 |
| JPS5924377B2 (en) | 1984-06-08 |
| DE2364527A1 (en) | 1974-07-04 |