DE2111609B2 - - Google Patents

Info

Publication number
DE2111609B2
DE2111609B2 DE2111609A DE2111609A DE2111609B2 DE 2111609 B2 DE2111609 B2 DE 2111609B2 DE 2111609 A DE2111609 A DE 2111609A DE 2111609 A DE2111609 A DE 2111609A DE 2111609 B2 DE2111609 B2 DE 2111609B2
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.)
Granted
Application number
DE2111609A
Other versions
DE2111609A1 (de
DE2111609C3 (de
Inventor
Milton H. Chappaqua Pelavin
Allan I. Yonkers Koszyn
Earl Ardsley Heier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Corp
Original Assignee
Technicon Instruments Corp
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 Technicon Instruments Corp filed Critical Technicon Instruments Corp
Publication of DE2111609A1 publication Critical patent/DE2111609A1/de
Publication of DE2111609B2 publication Critical patent/DE2111609B2/de
Application granted granted Critical
Publication of DE2111609C3 publication Critical patent/DE2111609C3/de
Granted legal-status Critical Current

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/08—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a stream of discrete samples flowing along a tube system, e.g. flow injection analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/127—Calibration; base line adjustment; drift compensation
    • G01N2201/12723—Self check capacity; automatic, periodic step of checking

Landscapes

  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
DE19712111609 1970-03-13 1971-03-11 Verfahren und Vorrichtung zur automatischen periodischen Grundlinien- und Normaleichung einer Registriereinrichtung Granted DE2111609A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1919470A 1970-03-13 1970-03-13

Publications (3)

Publication Number Publication Date
DE2111609A1 DE2111609A1 (de) 1971-09-23
DE2111609B2 true DE2111609B2 (de) 1973-10-11
DE2111609C3 DE2111609C3 (de) 1974-05-09

Family

ID=21791924

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712111609 Granted DE2111609A1 (de) 1970-03-13 1971-03-11 Verfahren und Vorrichtung zur automatischen periodischen Grundlinien- und Normaleichung einer Registriereinrichtung

Country Status (9)

Country Link
US (1) US3634868A (de)
BE (1) BE764253A (de)
CA (1) CA922533A (de)
CH (1) CH524813A (de)
DE (1) DE2111609A1 (de)
FR (1) FR2084530A5 (de)
GB (1) GB1342688A (de)
NL (1) NL7103290A (de)
SE (1) SE378457B (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771038A (en) * 1970-11-27 1973-11-06 C Rubis Drift correcting servo
US3781869A (en) * 1972-03-20 1973-12-25 Inservco Inc Transducer amplifier with automatic balance
US3783300A (en) * 1972-09-18 1974-01-01 Atomic Energy Commission Automatic photomultiplier tube voltage controller
US3817632A (en) * 1972-09-21 1974-06-18 Union Carbide Corp Digital subtraction circuit for a centrifugal chemical analyzer of the rotating spectrophotometer type
US3804535A (en) * 1972-10-13 1974-04-16 Baxter Laboratories Inc Dual wavelength photometer response circuit
US3835304A (en) * 1972-12-19 1974-09-10 S Martinez Chemical migration ratio instrument
US3970392A (en) * 1973-07-27 1976-07-20 Coulter Electronics, Inc. Analog to digital to analog storage and retrieval for a plurality of photometric blanking values
US3940742A (en) * 1973-08-06 1976-02-24 Medical Monitor Systems, Inc. Data acquisition, storage and display system
US3924442A (en) * 1973-10-09 1975-12-09 Kvb Equipment Corp Pollutant variation correcting system
US3919530A (en) * 1974-04-10 1975-11-11 George Chiwo Cheng Color information leukocytes analysis system
DE2703932A1 (de) * 1976-02-02 1977-09-01 Perkin Elmer Corp Verfahren und vorrichtung zur fehlerkorrektur
USRE30391E (en) * 1976-02-23 1980-09-02 Abbott Laboratories Chemical analysis cuvette
US4039933A (en) * 1976-03-25 1977-08-02 Instrumentation Laboratory, Inc. Continuous calibration system and method for analytical instruments
US4307453A (en) * 1977-12-19 1981-12-22 Phillips Petroleum Company Sloping baseline compensation for a chromatographic analyzer
US4202033A (en) * 1977-12-27 1980-05-06 Royco Instruments, Inc. Apparatus and method utilizing calculator for quality control of hematology sample analysis
US4331862A (en) * 1979-02-23 1982-05-25 Ryan Wayne L Method for calibrating a particle counting machine and a calibration standard therefor
US4309112A (en) * 1979-05-15 1982-01-05 Sherwood Medical Industries Inc. Rate measurement analyzer
US4357668A (en) * 1980-03-04 1982-11-02 The Perkin-Elmer Corp. Base line correction method and apparatus
US4384925A (en) * 1980-10-24 1983-05-24 Becton Dickinson And Company Gas sensing unit with automatic calibration method
EP0064369B1 (de) * 1981-04-24 1986-10-08 Kabushiki Kaisha Kyoto Daiichi Kagaku Vorrichtung zur automatischen und kontinuierlichen Bestimmung von Blutbestandteilen
DE3330817A1 (de) * 1983-08-26 1985-03-14 Holstein Und Kappert Gmbh, 4600 Dortmund Vorrichtung zur bereitschaftsueberpruefung von inspektionsmaschinen
US5230863A (en) * 1987-07-21 1993-07-27 Si Industrial Instruments, Inc. Method of calibrating an automatic chemical analyzer
US5065351A (en) * 1989-03-30 1991-11-12 Eastman Kodak Company Stabilization and calibration of precision electronic circuit component
US5365768A (en) * 1989-07-20 1994-11-22 Hitachi, Ltd. Sensor
US5550053A (en) * 1995-01-05 1996-08-27 Si Industrial Instruments, Inc. Method of calibrating an automatic chemical analyzer
US10656405B2 (en) 2018-01-20 2020-05-19 International Business Machines Corporation Color image capture under controlled environment for mobile devices
US10980168B2 (en) 2018-10-16 2021-04-20 Cnh Industrial Canada, Ltd. Systems and methods for monitoring an agricultural metering system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE627401A (de) * 1962-01-23
US3504521A (en) * 1966-10-25 1970-04-07 Centre Nat Rech Metall Method and device for the continuous analysis of the composition of a gas
US3534402A (en) * 1967-12-15 1970-10-13 Honeywell Inc Apparatus for determining the uniformity of web material

Also Published As

Publication number Publication date
NL7103290A (de) 1971-09-15
SE378457B (de) 1975-09-01
BE764253A (fr) 1971-09-15
DE2111609A1 (de) 1971-09-23
CH524813A (de) 1972-06-30
US3634868A (en) 1972-01-11
CA922533A (en) 1973-03-13
DE2111609C3 (de) 1974-05-09
GB1342688A (en) 1974-01-03
FR2084530A5 (de) 1971-12-17

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee