SE305761B - - Google Patents

Info

Publication number
SE305761B
SE305761B SE7356/63A SE735663A SE305761B SE 305761 B SE305761 B SE 305761B SE 7356/63 A SE7356/63 A SE 7356/63A SE 735663 A SE735663 A SE 735663A SE 305761 B SE305761 B SE 305761B
Authority
SE
Sweden
Prior art keywords
cell
circuit
motor
photo
potentiometer
Prior art date
Application number
SE7356/63A
Other languages
English (en)
Inventor
M Pelavin
Original Assignee
Technicon Instr
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 Instr filed Critical Technicon Instr
Publication of SE305761B publication Critical patent/SE305761B/xx

Links

Classifications

    • 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
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/18—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value
    • 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
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • 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
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Biochemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
SE7356/63A 1962-07-05 1963-07-02 SE305761B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US207653A US3167377A (en) 1962-07-05 1962-07-05 Digital read-out apparatus

Publications (1)

Publication Number Publication Date
SE305761B true SE305761B (xx) 1968-11-04

Family

ID=22771460

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7356/63A SE305761B (xx) 1962-07-05 1963-07-02

Country Status (6)

Country Link
US (1) US3167377A (xx)
BE (1) BE634382A (xx)
CH (1) CH426315A (xx)
DE (1) DE1673109C3 (xx)
GB (1) GB1051885A (xx)
SE (1) SE305761B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315065A (en) * 1962-12-12 1967-04-18 Gen Signal Corp Apparatus for measuring and recording vehicular traffic parameters
BE758210A (fr) * 1969-10-29 1971-04-01 Sherwood Medical Ind Inc Systeme de lecture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960910A (en) * 1957-06-07 1960-11-22 Technicon Instr Apparatus for visually indicating or recording numerical values of constituents of fluids under analysis

Also Published As

Publication number Publication date
CH426315A (de) 1966-12-15
DE1673109C3 (de) 1974-01-24
DE1673109A1 (de) 1970-09-10
BE634382A (xx)
GB1051885A (xx)
US3167377A (en) 1965-01-26
DE1673109B2 (xx) 1972-11-30

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