ATA136372A - Verfahren zur kontinuierlichen digitalen messung des verhaltnisses der grosse der mess- und vergleichsspannung eines zweistrahlphotometers - Google Patents
Verfahren zur kontinuierlichen digitalen messung des verhaltnisses der grosse der mess- und vergleichsspannung eines zweistrahlphotometersInfo
- Publication number
- ATA136372A ATA136372A AT136372A AT136372A ATA136372A AT A136372 A ATA136372 A AT A136372A AT 136372 A AT136372 A AT 136372A AT 136372 A AT136372 A AT 136372A AT A136372 A ATA136372 A AT A136372A
- Authority
- AT
- Austria
- Prior art keywords
- measuring
- ratio
- size
- digital measurement
- comparative voltage
- Prior art date
Links
- 230000000052 comparative effect Effects 0.000 title 1
- 238000005259 measurement Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- G01N21/47—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
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
-
- 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
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH111372A CH534873A (de) | 1972-01-26 | 1972-01-26 | Verfahren zur Bestimmung der Strahlendurchlässigkeit eines Mediums, Gerät zur Durchführung des Verfahrens und Anwendung des Verfahrens |
Publications (1)
Publication Number | Publication Date |
---|---|
ATA136372A true ATA136372A (de) | 1976-05-15 |
Family
ID=4202787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT136372A ATA136372A (de) | 1972-01-26 | 1972-02-18 | Verfahren zur kontinuierlichen digitalen messung des verhaltnisses der grosse der mess- und vergleichsspannung eines zweistrahlphotometers |
Country Status (3)
Country | Link |
---|---|
AT (1) | ATA136372A (de) |
CH (1) | CH534873A (de) |
DE (1) | DE2206628A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3248243A1 (de) * | 1982-12-28 | 1984-06-28 | Bernd Dipl.-Ing. 6000 Frankfurt Ambrosius | Vorrichtung zur truebungsmessung von fluessigkeiten, insbesondere zur bestimmung des schlammspiegels in absetzbecken von klaeranlagen |
DE3307627A1 (de) * | 1983-03-04 | 1984-09-06 | Merck Patent Gmbh, 6100 Darmstadt | Verfahren und vorrichtung zur bestimmung von truebungen in fluessigkeiten |
-
1972
- 1972-01-26 CH CH111372A patent/CH534873A/de not_active IP Right Cessation
- 1972-02-11 DE DE2206628A patent/DE2206628A1/de active Pending
- 1972-02-18 AT AT136372A patent/ATA136372A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH534873A (de) | 1973-03-15 |
DE2206628A1 (de) | 1973-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1J | Withdrawal paragraph 166 lit. 6 | ||
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |