ATE69680T1 - Logarithmische wandler und ihre anwendung zur uebertragenen lichtmessung. - Google Patents

Logarithmische wandler und ihre anwendung zur uebertragenen lichtmessung.

Info

Publication number
ATE69680T1
ATE69680T1 AT86400943T AT86400943T ATE69680T1 AT E69680 T1 ATE69680 T1 AT E69680T1 AT 86400943 T AT86400943 T AT 86400943T AT 86400943 T AT86400943 T AT 86400943T AT E69680 T1 ATE69680 T1 AT E69680T1
Authority
AT
Austria
Prior art keywords
application
transmitted light
light measurement
logarithmic converters
amplifiers
Prior art date
Application number
AT86400943T
Other languages
English (en)
Inventor
Herve Arribard
Bruno Cornut
Gilbert Passade
Claude Sesques
Original Assignee
Inovelf Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inovelf Sa filed Critical Inovelf Sa
Application granted granted Critical
Publication of ATE69680T1 publication Critical patent/ATE69680T1/de

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/1235—Non-linear conversion not otherwise provided for in subgroups of H03M1/12

Landscapes

  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pathology (AREA)
  • Nonlinear Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AT86400943T 1985-05-06 1986-04-29 Logarithmische wandler und ihre anwendung zur uebertragenen lichtmessung. ATE69680T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8506820A FR2581492B1 (fr) 1985-05-06 1985-05-06 Convertisseurs logarithmiques et leur application a la mesure de lumiere transmise
EP86400943A EP0201415B1 (de) 1985-05-06 1986-04-29 Logarithmische Wandler und ihre Anwendung zur übertragenen Lichtmessung

Publications (1)

Publication Number Publication Date
ATE69680T1 true ATE69680T1 (de) 1991-12-15

Family

ID=9318972

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86400943T ATE69680T1 (de) 1985-05-06 1986-04-29 Logarithmische wandler und ihre anwendung zur uebertragenen lichtmessung.

Country Status (6)

Country Link
US (1) US4905005A (de)
EP (1) EP0201415B1 (de)
JP (1) JPS6223623A (de)
AT (1) ATE69680T1 (de)
DE (1) DE3682530D1 (de)
FR (1) FR2581492B1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0350518B1 (de) * 1988-07-12 1993-08-25 Eppendorf-Netheler-Hinz Gmbh Photometer
EP0495280A1 (de) * 1991-01-18 1992-07-22 International Business Machines Corporation Analog-Digitalwandler mit Driftkompensation
US5177697A (en) * 1990-08-31 1993-01-05 General Electric Company Autozeroing apparatus and method for a computerized tomography data acquisition system
TW234229B (de) * 1992-10-26 1994-11-11 Philips Electronics Nv
US5732002A (en) * 1995-05-23 1998-03-24 Analog Devices, Inc. Multi-rate IIR decimation and interpolation filters
US5724037A (en) * 1995-05-23 1998-03-03 Analog Devices, Inc. Data acquisition system for computed tomography scanning and related applications
US5905398A (en) * 1997-04-08 1999-05-18 Burr-Brown Corporation Capacitor array having user-adjustable, manufacturer-trimmable capacitance and method
US6331832B1 (en) * 2000-04-03 2001-12-18 Allen J. Rushing Auto-ranging digital densitometer with lookup table
DE102005033919A1 (de) * 2005-07-20 2007-01-25 Conti Temic Microelectronic Gmbh Verfahren und Vorrichtung Strommessung
EP3685131B1 (de) * 2017-09-19 2022-09-07 Beckman Coulter, Inc. Analoge lichtmessung und photonenzählung bei chemilumineszenzmessungen

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530458A (en) * 1965-10-28 1970-09-22 Westinghouse Electric Corp Analog to digital conversion system having improved accuracy
US3685047A (en) * 1970-07-31 1972-08-15 Sds Data Systems Inc Seismic amplifiers
US3700871A (en) * 1971-06-21 1972-10-24 Shell Oil Co Multiple multiplexer gain-ranging amplifier
US3735393A (en) * 1971-11-22 1973-05-22 Bell Telephone Labor Inc Self companding pulse code modulation systems
US3813609A (en) * 1972-11-27 1974-05-28 Petty Ray Geophysical Inc Multiple stage sample normalizing amplifier with automatic gain prediction
GB1438606A (en) * 1973-06-21 1976-06-09 Sony Corp Signal transformation system
FR2378401A1 (fr) * 1977-01-20 1978-08-18 Cit Alcatel Procede et dispositif pour adapter un signal analogique en vue de son codage numerique dans un codeur ayant une plage de codage donnee
DE2851829A1 (de) * 1978-11-30 1980-06-12 Kober Kg A Schraeglenkerachsen fuer fahrzeug-anhaenger, insbesondere wohnwagen
US4300203A (en) * 1979-10-19 1981-11-10 Beckman Instruments, Inc. Method and means for operating logarithmic circuits
JPS5679946A (en) * 1979-12-05 1981-06-30 Dainippon Screen Mfg Co Ltd Optical densitometer
GB2077537B (en) * 1980-06-05 1983-11-09 Avery Ltd W & T Digitising circuitry
JPS5737250A (en) * 1980-08-18 1982-03-01 Nippon Tectron Co Ltd Colorimetric test method in clinical automatic chemical analysis
US4366469A (en) * 1980-09-22 1982-12-28 Ilc Data Device Corporation Companding analog to digital converter
US4439038A (en) * 1981-03-03 1984-03-27 Sentrol Systems Ltd. Method and apparatus for measuring and controlling the color of a moving web
US4467438A (en) * 1982-01-18 1984-08-21 Dset Laboratories, Inc. Method and apparatus for determining spectral response and spectral response mismatch between photovoltaic devices
GB2116793B (en) * 1982-03-03 1986-01-29 Perkin Elmer Corp Variable gain amplifier
US4616329A (en) * 1983-08-26 1986-10-07 Bio-Rad Laboratories, Inc. Self-calibrating adaptive ranging apparatus and method
US4553104A (en) * 1984-03-01 1985-11-12 Honeywell Inc. Method of compensating an amplifier system having a variable gain amplifier to achieve a constant overall system signal gain and an apparatus utilizing the same
US4616210A (en) * 1984-09-14 1986-10-07 The Perkin-Elmer Corporation Spectrophotometers

Also Published As

Publication number Publication date
DE3682530D1 (de) 1992-01-02
FR2581492A1 (fr) 1986-11-07
US4905005A (en) 1990-02-27
EP0201415A1 (de) 1986-11-12
FR2581492B1 (fr) 1990-02-23
JPS6223623A (ja) 1987-01-31
EP0201415B1 (de) 1991-11-21

Similar Documents

Publication Publication Date Title
DK424386D0 (da) Stabilisering af proever til mikrobiel analyse
FI915150A7 (fi) Menetelmät, reagenssit ja testikäyttöpakkaukset biologisten yksiköiden alapopulaatioiden määrittämiseksi
DE69632447D1 (de) Analysator zur Analyse von Urinbestandteilen
DE68901632D1 (de) Reaktionsgefaess zur durchfuehrung von aufeinanderfolgenden analytischen testen.
DE3752020D1 (de) Spektrometerobjektiv für Korpuskularstrahlmessgeräte und Verfahren zur Untersuchung von Proben.
DE69533159D1 (de) Miniaturisierte probenvorbereitungsvorrichtungen sowie systeme zur feststellung und behandlung von analyten
DE69434942D1 (de) Mehrzweckreagenzsystem zur schnellen lysierung von vollblutproben
FI880764L (fi) Kiinteän faasin analyysiväline ja määritysmenetelmä
AU3838901A (en) Parallel genotyping of multiple patient samples
ATE69680T1 (de) Logarithmische wandler und ihre anwendung zur uebertragenen lichtmessung.
DK162060C (da) Fremgangsmaade til screening af en blodsammensaetning for tilstedevaerelse af retroviruspartikler
FR2749662B1 (fr) Laboratoire robotise d'analyses d'echantillons
SE8802944L (sv) Material foer lapptestning
DE69622978D1 (de) Analysator zur Analyse von Urinbestandteilen
DE60045879D1 (de) Methoden zur Detektion, Analyse und Isolation von entstehenden Proteinen
DK99087D0 (da) Konsistometer til analyse af rheologiske faenomener
ATE171473T1 (de) Humanisierte monoklonale antikörper gegen humanes interleukin - 4
DK0558680T3 (da) Assayfremgangsmåde
DK331688D0 (da) Apparat til undersoegelse af leverfunktionen
FI872199A7 (fi) Immunoanalyysimenetelmä ja välinesarja.
DE69013072D1 (de) Gerät zur Analyse von Bestandteilen von Messflüssigkeiten.
FR2604013B1 (fr) Procede de caracterisation d'un instrument de laboratoire et pipette ainsi caracterisee par coloration
DK51485A (da) Immunanalyse til paavisning af analytter i biologiske proever
NO167532C (no) Fremgangsmaate ved analyse av polyelektrolytter og anvendelser derav.
DE69005312D1 (de) Stromart abtast-und-halteverstärker.

Legal Events

Date Code Title Description
EELA Cancelled due to lapse of time