IL41955A - Blank value storing photometer - Google Patents

Blank value storing photometer

Info

Publication number
IL41955A
IL41955A IL41955A IL4195573A IL41955A IL 41955 A IL41955 A IL 41955A IL 41955 A IL41955 A IL 41955A IL 4195573 A IL4195573 A IL 4195573A IL 41955 A IL41955 A IL 41955A
Authority
IL
Israel
Prior art keywords
photometer
blank value
value storing
storing
blank
Prior art date
Application number
IL41955A
Other languages
English (en)
Other versions
IL41955A0 (en
Original Assignee
Coulter Electronics
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 Coulter Electronics filed Critical Coulter Electronics
Publication of IL41955A0 publication Critical patent/IL41955A0/xx
Publication of IL41955A publication Critical patent/IL41955A/xx

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

Landscapes

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
IL41955A 1972-04-07 1973-04-05 Blank value storing photometer IL41955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24204972A 1972-04-07 1972-04-07

Publications (2)

Publication Number Publication Date
IL41955A0 IL41955A0 (en) 1973-06-29
IL41955A true IL41955A (en) 1975-10-15

Family

ID=22913260

Family Applications (1)

Application Number Title Priority Date Filing Date
IL41955A IL41955A (en) 1972-04-07 1973-04-05 Blank value storing photometer

Country Status (11)

Country Link
US (1) US3752995A (de)
JP (1) JPS5220277B2 (de)
AU (1) AU473520B2 (de)
CA (1) CA986332A (de)
DE (1) DE2317103C3 (de)
FR (1) FR2179153B1 (de)
GB (1) GB1427385A (de)
IL (1) IL41955A (de)
IT (1) IT980113B (de)
NL (1) NL7304703A (de)
SE (1) SE378911B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887473A (en) * 1971-09-07 1975-06-03 Bergishagen & Associates Method and system for the infrared analysis of gases
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
US3952206A (en) * 1974-05-09 1976-04-20 Coulter Electronics, Inc. Photometer circuit
US3937577A (en) * 1974-05-15 1976-02-10 E. I. Du Pont De Nemours And Company Zeeman effect atomic absorption spectrometer
CH568564A5 (de) * 1974-06-10 1975-10-31 Killer W Dr Ag
FI52255C (fi) * 1975-10-30 1977-07-11 Innotec Oy Infrapuna-analysaattori.
JPS6013136B2 (ja) * 1977-05-26 1985-04-05 オリンパス光学工業株式会社 デンシトメ−タの検定方法
US4357105A (en) * 1980-08-06 1982-11-02 Buffalo Medical Specialties Mfg., Inc. Blood diagnostic spectrophotometer
US5958250A (en) 1995-06-07 1999-09-28 Baxter International Inc. Blood processing systems and methods which optically derive the volume of platelets contained in a plasma constituent
US6312607B1 (en) 1995-06-07 2001-11-06 Baxter International Inc. Blood processing systems and methods which optically monitor incremental platelet volumes in a plasma constituent
WO1998043720A1 (en) * 1997-04-03 1998-10-08 Baxter International Inc. Interface detection and control systems and methods
US6254784B1 (en) 1997-10-30 2001-07-03 Baxter International Inc. Optical interface detection system for centrifugal blood processing
EP2892587B1 (de) 2012-09-04 2024-07-03 Fenwal, Inc. Schnittstellendetektor für ein blutverarbeitungssystem
US10561784B2 (en) 2017-05-31 2020-02-18 Fenwal, Inc. Stationary optical monitoring system for blood processing system
US11898967B2 (en) 2021-02-02 2024-02-13 Fenwal, Inc. Predicting malfunction and failure of centrifuge umbilicus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4419900Y1 (de) * 1966-12-09 1969-08-26
US3566133A (en) * 1968-03-18 1971-02-23 Coulter Electronics A hemoglobin measuring method and apparatus having voltage following with feedback
US3622795A (en) * 1968-10-10 1971-11-23 Coulter Electronics Colorimetric fluid test apparatus having plural fluid sequential control
US3632209A (en) * 1970-04-28 1972-01-04 Susquehanna Corp System for measuring light transmittance through absorptive or diffusive media
US3703336A (en) * 1970-06-12 1972-11-21 Instrumentation Labor Inc Analysis system employing a plural chamber cuvette structure

Also Published As

Publication number Publication date
US3752995A (en) 1973-08-14
JPS5220277B2 (de) 1977-06-02
DE2317103B2 (de) 1975-05-15
IL41955A0 (en) 1973-06-29
AU5418473A (en) 1974-10-10
AU473520B2 (en) 1976-06-24
DE2317103A1 (de) 1973-10-11
DE2317103C3 (de) 1976-01-08
FR2179153B1 (de) 1976-09-24
SE378911B (de) 1975-09-15
IT980113B (it) 1974-09-30
CA986332A (en) 1976-03-30
GB1427385A (en) 1976-03-10
FR2179153A1 (de) 1973-11-16
JPS49101081A (de) 1974-09-25
NL7304703A (de) 1973-10-09

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