JPS54689A - Baseeline correcting circuit - Google Patents

Baseeline correcting circuit

Info

Publication number
JPS54689A
JPS54689A JP12956777A JP12956777A JPS54689A JP S54689 A JPS54689 A JP S54689A JP 12956777 A JP12956777 A JP 12956777A JP 12956777 A JP12956777 A JP 12956777A JP S54689 A JPS54689 A JP S54689A
Authority
JP
Japan
Prior art keywords
baseeline
correcting circuit
correcting
circuit
baseeline correcting
Prior art date
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.)
Pending
Application number
JP12956777A
Other languages
English (en)
Inventor
Ruisu Atsukaa Jietsushii
Maikeru Mezeroru Piitaa
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.)
AKRO MEDIC ENG Inc
Original Assignee
AKRO MEDIC ENG Inc
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
Priority claimed from US00290654A external-priority patent/US3837745A/en
Application filed by AKRO MEDIC ENG Inc filed Critical AKRO MEDIC ENG Inc
Publication of JPS54689A publication Critical patent/JPS54689A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00594—Quality control, including calibration or testing of components of the analyser
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • 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
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/11—Filling or emptying of cuvettes
    • 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
    • G01N21/251—Colorimeters; Construction thereof
    • G01N21/253—Colorimeters; Construction thereof for batch operation, i.e. multisample apparatus
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/003—Changing the DC level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • H03K5/084—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold modified by switching, e.g. by a periodic signal or by a signal in synchronism with the transitions of the output signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
    • C12M41/36—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of biomass, e.g. colony counters or by turbidity measurements
    • 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
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00594—Quality control, including calibration or testing of components of the analyser
    • G01N35/00693—Calibration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/808—Optical sensing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP12956777A 1972-09-20 1977-10-28 Baseeline correcting circuit Pending JPS54689A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00290654A US3837745A (en) 1972-09-20 1972-09-20 Apparatus for evaluation of biological fluid
US00392107A US3837746A (en) 1972-09-20 1973-08-27 Apparatus for evaluation of biological fluid

Publications (1)

Publication Number Publication Date
JPS54689A true JPS54689A (en) 1979-01-06

Family

ID=26966326

Family Applications (3)

Application Number Title Priority Date Filing Date
JP10645473A Expired JPS5520183B2 (ja) 1972-09-20 1973-09-20
JP12956777A Pending JPS54689A (en) 1972-09-20 1977-10-28 Baseeline correcting circuit
JP5492578A Granted JPS5415790A (en) 1972-09-20 1978-05-09 Biologically inspected body evaluating equipment

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP10645473A Expired JPS5520183B2 (ja) 1972-09-20 1973-09-20

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP5492578A Granted JPS5415790A (en) 1972-09-20 1978-05-09 Biologically inspected body evaluating equipment

Country Status (11)

Country Link
US (1) US3837746A (ja)
JP (3) JPS5520183B2 (ja)
BE (1) BE805119A (ja)
CA (3) CA1024049A (ja)
DE (2) DE2347173C3 (ja)
ES (2) ES418899A1 (ja)
FR (1) FR2212939A5 (ja)
GB (3) GB1445397A (ja)
IL (1) IL43256A (ja)
NL (1) NL177520C (ja)
SE (3) SE411254B (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014169946A (ja) * 2013-03-04 2014-09-18 Ushio Inc 蛍光光度計
US11517166B2 (en) 2017-08-11 2022-12-06 Dyson Technology Limited Dirt separator for a vacuum cleaner
US11766157B2 (en) 2017-08-11 2023-09-26 Dyson Technology Limited Dirt separator for a vacuum cleaner
US11963652B2 (en) 2017-08-11 2024-04-23 Dyson Technology Limited Handheld vacuum cleaner

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260687A (en) * 1976-09-07 1981-04-07 Warner-Lambert Company Diagnostic device
IT1115472B (it) * 1977-05-09 1986-02-03 Sclavo Inst Sieroterapeut Apparecchiatura adatta all'analisi automatica di costituenti di fluidi
FR2396969A1 (fr) * 1977-07-06 1979-02-02 Pasteur Institut Dispositif et procede pour analyses multiples
US4239118A (en) * 1978-02-03 1980-12-16 Geosource Inc. Sorting apparatus having automatic nulling arrangement
US4195060A (en) * 1978-02-08 1980-03-25 Abbott Laboratories Liquid reagent cartridge cuvette
US4344539A (en) 1978-05-05 1982-08-17 Lockett James F Universal sorting apparatus
US4236211A (en) * 1978-09-15 1980-11-25 Pfizer Inc. Method and apparatus for determining the minimum concentration of antibiotic necessary to at least inhibit microorganism growth
US4239853A (en) * 1979-01-22 1980-12-16 Bradley Rex L Antibiotic testing method and apparatus having a channelized reservoir
FI64862C (fi) * 1982-02-05 1984-01-10 Kone Oy Foerfarande foer fotometrisk maetning av vaetskor i reaktionskaerl och reaktionskaerl
US4731323A (en) * 1982-02-11 1988-03-15 Evreka, Inc. Methods of measurement and detection employing photosensitive compositions and products
FI833077A0 (fi) * 1983-08-30 1983-08-30 Labsystems Oy Med en vaetskedoserare foersedd maetningsanordning
GB8500595D0 (en) * 1985-01-10 1985-02-13 Brownell Ltd Leak rate detector circuit
DE3736027A1 (de) * 1987-10-24 1989-05-03 Gerhard Dipl Phys Artmann Verfahren zur ermittlung der zu einem bestimmten zeitpunkt vorliegenden form von zellen und einrichtung zur durchfuehrung des verfahrens
DE9013193U1 (de) * 1990-09-17 1991-03-14 Gesellschaft für Biotechnologische Forschung mbH (GBF), 3300 Braunschweig Fließinjektionsanalyse-System
CA2092373A1 (en) * 1992-04-24 1993-10-25 Klaus W. Berndt Methods and apparatus for detecting biological activities in a specimen
ES2105956B1 (es) * 1993-10-20 1998-06-01 Gonzalez Ciriaco Francisco Perfeccionamientos introducidos en la patente de invencion 9302195 por sistema analizador de liquidos.
GB9913561D0 (en) * 1999-06-10 1999-08-11 Cortecs Diagnostics Limited Apparatus, instrument & device for conducting an assay
US7714301B2 (en) * 2000-10-27 2010-05-11 Molecular Devices, Inc. Instrument excitation source and calibration method
US7144496B2 (en) * 2000-11-02 2006-12-05 Pall Corporation Biological fluid analysis device
US20030229517A1 (en) * 2002-03-15 2003-12-11 Peter Meserol Medical management system and method
CA2391641A1 (fr) * 2002-06-28 2003-12-28 Robert Longin Plateforme robotisee de cultures cellulaires en batteries de reacteurs miniaturises, equipee d'un systeme de mesure en temps reel de la turbidite cellulaire ou toutes autres proprietes optiques
JP5150837B2 (ja) * 2006-04-11 2013-02-27 ウイリアム エー．クック オーストラリア ピティワイ、リミティド． 培養状態監視装置
GB201619509D0 (en) * 2016-11-18 2017-01-04 Univ Court Of The Univ Of St Andrews The Sample detection device
GB202001397D0 (en) 2020-01-31 2020-03-18 Odx Innovations Ltd Apparatus, system and method for measuring properties of a sample

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488156A (en) * 1966-02-23 1970-01-06 Lab Line Biomedical Products I Automatic agglutinometer
US3476515A (en) * 1966-04-26 1969-11-04 Du Pont Analytical test pack and process for analysis
US3555284A (en) * 1968-12-18 1971-01-12 Norman G Anderson Multistation, single channel analytical photometer and method of use
US3627431A (en) * 1969-12-22 1971-12-14 John Victor Komarniski Densitometer
US3718439A (en) * 1970-06-12 1973-02-27 Instrumentation Labor Inc Analytical apparatus
US3773426A (en) * 1972-02-22 1973-11-20 Department Of Health Educ Welf Bacterial growth detector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014169946A (ja) * 2013-03-04 2014-09-18 Ushio Inc 蛍光光度計
US11517166B2 (en) 2017-08-11 2022-12-06 Dyson Technology Limited Dirt separator for a vacuum cleaner
US11766157B2 (en) 2017-08-11 2023-09-26 Dyson Technology Limited Dirt separator for a vacuum cleaner
US11963652B2 (en) 2017-08-11 2024-04-23 Dyson Technology Limited Handheld vacuum cleaner

Also Published As

Publication number Publication date
CA1024217A (en) 1978-01-10
JPS49125093A (ja) 1974-11-29
ES418899A1 (es) 1976-09-01
SE7709627L (sv) 1977-08-26
IL43256A0 (en) 1974-01-14
IL43256A (en) 1978-04-30
ES425523A1 (es) 1976-11-01
FR2212939A5 (ja) 1974-07-26
CA1023970A (en) 1978-01-10
SE411254B (sv) 1979-12-10
DE2365297A1 (de) 1975-02-13
GB1445396A (en) 1976-08-11
GB1445397A (en) 1976-08-11
NL177520C (nl) 1985-10-01
NL177520B (nl) 1985-05-01
DE2347173C3 (de) 1978-04-20
US3837746A (en) 1974-09-24
GB1445398A (en) 1976-08-11
NL7312907A (ja) 1974-03-22
BE805119A (fr) 1974-01-16
CA1024049A (en) 1978-01-10
JPS5415790A (en) 1979-02-05
DE2347173B2 (de) 1977-09-01
DE2347173A1 (de) 1974-04-18
SE7709628L (sv) 1977-08-26
JPS5520183B2 (ja) 1980-05-31
DE2365297B2 (de) 1978-12-07
JPS5550292B2 (ja) 1980-12-17

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