DE9006169U1 - - Google Patents
Info
- Publication number
- DE9006169U1 DE9006169U1 DE9006169U DE9006169U DE9006169U1 DE 9006169 U1 DE9006169 U1 DE 9006169U1 DE 9006169 U DE9006169 U DE 9006169U DE 9006169 U DE9006169 U DE 9006169U DE 9006169 U1 DE9006169 U1 DE 9006169U1
- 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.)
- Expired - Lifetime
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
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9006169U DE9006169U1 (de) | 1990-05-31 | 1990-05-31 | |
| CH147191A CH683129A5 (de) | 1990-05-31 | 1991-05-17 | Gasanalysator. |
| DE4116280A DE4116280C2 (de) | 1990-05-31 | 1991-05-17 | Gasanalysator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9006169U DE9006169U1 (de) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9006169U1 true DE9006169U1 (de) | 1991-07-18 |
Family
ID=6854283
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9006169U Expired - Lifetime DE9006169U1 (de) | 1990-05-31 | 1990-05-31 | |
| DE4116280A Expired - Fee Related DE4116280C2 (de) | 1990-05-31 | 1991-05-17 | Gasanalysator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4116280A Expired - Fee Related DE4116280C2 (de) | 1990-05-31 | 1991-05-17 | Gasanalysator |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH683129A5 (de) |
| DE (2) | DE9006169U1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO300078B1 (no) * | 1995-02-10 | 1997-04-01 | Sinvent As | Fotoakustisk gassdetektor |
| NO963924A (no) * | 1996-09-19 | 1997-12-15 | Nyfotek As | Foto-akustisk infrarød detektor |
| US5869749A (en) * | 1997-04-30 | 1999-02-09 | Honeywell Inc. | Micromachined integrated opto-flow gas/liquid sensor |
| US5852308A (en) * | 1997-06-30 | 1998-12-22 | Honeywell Inc. | Micromachined inferential opto-thermal gas sensor |
| DE10112579C2 (de) * | 2001-03-15 | 2003-02-13 | Siemens Ag | Infrarot-Gasanalysator |
| US8848191B2 (en) | 2012-03-14 | 2014-09-30 | Honeywell International Inc. | Photoacoustic sensor with mirror |
| EP3786616A1 (de) * | 2019-08-29 | 2021-03-03 | Hahn-Schickard-Gesellschaft für angewandte Forschung e.V. | Mems basierte photoakustische zelle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1573098B1 (de) * | 1966-11-30 | 1971-12-16 | Siemens Ag | Einrichtung zur Messung schwacher Gasstr¦mungen, vorzugsweise in einem Gasanalysegerät |
| DE1773843A1 (de) * | 1968-07-12 | 1971-09-23 | Kom Mess Und Regelungstechnik | Verfahren und Vorrichtung zur Messung von Strahlungsintensitaetsaenderungen |
| DE2131863A1 (de) * | 1970-08-17 | 1972-02-24 | Mess & Regelungst Veb K | Vorrichtung zur Messung von Strahlungsintensitaetsaenderungen |
| DE2638522C3 (de) * | 1976-08-26 | 1979-12-13 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Nichtdispersiver Zweistrahl-Infrarot-Gasanalysator mit je einem Doppelschichtempfänger im Meß- und Vergleichsstrahlengang |
| DE2720636C2 (de) * | 1977-05-07 | 1985-01-03 | Leybold-Heraeus GmbH, 5000 Köln | Pneumatischer Infrarot-Strahlungsdetektor mit einer vakuumdichten Kammer und einem strahlungsdurchlässigen Fenster |
| JPS5711251Y2 (de) * | 1977-06-02 | 1982-03-05 | ||
| DE2808033A1 (de) * | 1978-02-24 | 1979-08-30 | Siemens Ag | Einrichtung zur unterdrueckung der wasserdampf-querempfindlichkeit bei einem nicht dispersiven infrarot-gasanalysator |
| DE3529482A1 (de) * | 1985-08-16 | 1987-02-19 | Siemens Ag | Nichtdispersives infrarot-gasanalysegeraet nach dem zweistrahl-prinzip |
| DE3815184A1 (de) * | 1988-05-04 | 1989-11-16 | Siemens Ag | Pneumatischer detektor fuer ndir-analysengeraete |
-
1990
- 1990-05-31 DE DE9006169U patent/DE9006169U1/de not_active Expired - Lifetime
-
1991
- 1991-05-17 DE DE4116280A patent/DE4116280C2/de not_active Expired - Fee Related
- 1991-05-17 CH CH147191A patent/CH683129A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH683129A5 (de) | 1994-01-14 |
| DE4116280C2 (de) | 2000-06-08 |
| DE4116280A1 (de) | 1991-12-05 |