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IT1180662B - Doppio fotometro multicromatico a singola sorgente luminosa e singolo rivelatore in particolare per la esecuzione di analisi chimico - cliniche - Google Patents

Doppio fotometro multicromatico a singola sorgente luminosa e singolo rivelatore in particolare per la esecuzione di analisi chimico - cliniche

Info

Publication number
IT1180662B
IT1180662B IT47723/84A IT4772384A IT1180662B IT 1180662 B IT1180662 B IT 1180662B IT 47723/84 A IT47723/84 A IT 47723/84A IT 4772384 A IT4772384 A IT 4772384A IT 1180662 B IT1180662 B IT 1180662B
Authority
IT
Italy
Prior art keywords
multichrome
photometer
execution
double
chemical
Prior art date
Application number
IT47723/84A
Other languages
English (en)
Other versions
IT8447723A0 (it
Inventor
Henry Welch
Corindo Felici
Original Assignee
Poli Mak S P A
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 Poli Mak S P A filed Critical Poli Mak S P A
Priority to IT47723/84A priority Critical patent/IT1180662B/it
Publication of IT8447723A0 publication Critical patent/IT8447723A0/it
Priority to US06/615,863 priority patent/US4614434A/en
Application granted granted Critical
Publication of IT1180662B publication Critical patent/IT1180662B/it

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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • 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
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
    • G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J2003/1226—Interference filters
    • G01J2003/123—Indexed discrete filters
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IT47723/84A 1984-02-21 1984-02-21 Doppio fotometro multicromatico a singola sorgente luminosa e singolo rivelatore in particolare per la esecuzione di analisi chimico - cliniche IT1180662B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT47723/84A IT1180662B (it) 1984-02-21 1984-02-21 Doppio fotometro multicromatico a singola sorgente luminosa e singolo rivelatore in particolare per la esecuzione di analisi chimico - cliniche
US06/615,863 US4614434A (en) 1984-02-21 1984-05-31 Double multichromatic photometer with a single light-source and a single detector, particularly for performing chemical and clinical analyses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT47723/84A IT1180662B (it) 1984-02-21 1984-02-21 Doppio fotometro multicromatico a singola sorgente luminosa e singolo rivelatore in particolare per la esecuzione di analisi chimico - cliniche

Publications (2)

Publication Number Publication Date
IT8447723A0 IT8447723A0 (it) 1984-02-21
IT1180662B true IT1180662B (it) 1987-09-23

Family

ID=11262112

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47723/84A IT1180662B (it) 1984-02-21 1984-02-21 Doppio fotometro multicromatico a singola sorgente luminosa e singolo rivelatore in particolare per la esecuzione di analisi chimico - cliniche

Country Status (2)

Country Link
US (1) US4614434A (it)
IT (1) IT1180662B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826660A (en) * 1987-05-07 1989-05-02 Becton, Dickinson And Company Detector assembly for analyzer instrument
US4893934A (en) * 1988-01-25 1990-01-16 The United States Of America As Represented By The United States Department Of Energy Aethalometer
US4945250A (en) * 1989-07-12 1990-07-31 Pb Diagnostic Systems, Inc. Optical read head for immunoassay instrument
WO1999010714A1 (en) * 1997-08-25 1999-03-04 Millennium Sensors Ltd. A compensated capacitive liquid level sensor
US7307718B2 (en) * 2004-02-23 2007-12-11 Ortho-Clinical Diagnostics, Inc. Determining an analyte by multiple measurements through a cuvette
US20050185176A1 (en) * 2004-02-23 2005-08-25 Moran Donald J.Jr. Determining an analyte by multiple measurements through a cuvette
EP3882636A1 (en) * 2016-07-21 2021-09-22 Siemens Healthcare Diagnostics Inc. Eliminating source lamp intensity drift effect using reference measurement between cuvettes
US11209349B2 (en) * 2017-02-24 2021-12-28 Pietro Fiorentini (USA), Inc. Optical fluid analyzer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065637B (de) * 1955-11-28 1960-02-11 The Perkin-Elmer Corporation, Norwalk, Conn. (V. St. A.) Absorptions - Meßanordnung, insbesondere Gasanalysator zum Vergleich zweier Konzentrationen
US3292484A (en) * 1961-12-21 1966-12-20 Rca Corp Apparatus for monitoring spectral characteristics of substances
DE1939034C2 (de) * 1969-07-31 1971-01-28 Bio Cal Instr Gmbh Photometer zum Durchfuehren von Messungen bei unterschiedlichen Wellenlaengen
US3941487A (en) * 1973-04-16 1976-03-02 Beckman Instruments, Inc. Colorimetric fluid analyzer

Also Published As

Publication number Publication date
US4614434A (en) 1986-09-30
IT8447723A0 (it) 1984-02-21

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