FI812870L - STOERNINGSFILTER FOER FOERBRAENNINGSGASANALYSATOR - Google Patents
STOERNINGSFILTER FOER FOERBRAENNINGSGASANALYSATORInfo
- Publication number
- FI812870L FI812870L FI812870A FI812870A FI812870L FI 812870 L FI812870 L FI 812870L FI 812870 A FI812870 A FI 812870A FI 812870 A FI812870 A FI 812870A FI 812870 L FI812870 L FI 812870L
- Authority
- FI
- Finland
- Prior art keywords
- stoerningsfilter
- foerbraenningsgasanalysator
- foer
- stoerningsfilter foer
- foer foerbraenningsgasanalysator
- Prior art date
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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21728080A | 1980-12-16 | 1980-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FI812870L true FI812870L (en) | 1982-06-17 |
Family
ID=22810387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI812870A FI812870L (en) | 1980-12-16 | 1981-09-17 | STOERNINGSFILTER FOER FOERBRAENNINGSGASANALYSATOR |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS57101745A (en) |
DE (1) | DE3139312A1 (en) |
FI (1) | FI812870L (en) |
GB (1) | GB2089972A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59145957A (en) * | 1983-01-08 | 1984-08-21 | Horiba Ltd | Opto-acoustic type concentration measuring device |
JPS63262126A (en) * | 1987-04-21 | 1988-10-28 | 日本精密測器株式会社 | Blood pressure measuring method |
US5408314A (en) * | 1993-02-24 | 1995-04-18 | Perry; Jeffrey | Dark current subtraction with abbreviated reference cycles and recursive filtering |
DE19733920A1 (en) * | 1997-08-06 | 1999-02-25 | Forschungszentrum Juelich Gmbh | Device for suppressing interference signals with frequency-dependent adaptation |
EP2264435A3 (en) * | 2000-06-26 | 2011-12-07 | Murray Thomson | Method for improved process control in combustion applications |
-
1981
- 1981-09-17 FI FI812870A patent/FI812870L/en not_active Application Discontinuation
- 1981-09-29 GB GB8129354A patent/GB2089972A/en not_active Withdrawn
- 1981-10-02 DE DE19813139312 patent/DE3139312A1/en not_active Withdrawn
- 1981-10-12 JP JP16259381A patent/JPS57101745A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3139312A1 (en) | 1982-08-05 |
JPS57101745A (en) | 1982-06-24 |
GB2089972A (en) | 1982-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: ECONICS CORPORATION |