FR2004725A1 - - Google Patents

Info

Publication number
FR2004725A1
FR2004725A1 FR6908052A FR6908052A FR2004725A1 FR 2004725 A1 FR2004725 A1 FR 2004725A1 FR 6908052 A FR6908052 A FR 6908052A FR 6908052 A FR6908052 A FR 6908052A FR 2004725 A1 FR2004725 A1 FR 2004725A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6908052A
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.)
Individual
Original Assignee
Individual
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 DE19681772064 external-priority patent/DE1772064C2/de
Application filed by Individual filed Critical Individual
Publication of FR2004725A1 publication Critical patent/FR2004725A1/fr
Withdrawn legal-status Critical Current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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR6908052A 1968-03-26 1969-03-25 Withdrawn FR2004725A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19681772064 DE1772064C2 (de) 1968-03-26 Optisches Meßgerät
DE19691911310 DE1911310C2 (de) 1969-03-06 Optisches Meßgerät

Publications (1)

Publication Number Publication Date
FR2004725A1 true FR2004725A1 (fr) 1969-11-28

Family

ID=25755610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6908052A Withdrawn FR2004725A1 (fr) 1968-03-26 1969-03-25

Country Status (5)

Country Link
US (1) US3617756A (fr)
CH (1) CH490683A (fr)
FR (1) FR2004725A1 (fr)
GB (1) GB1263563A (fr)
SE (1) SE349391B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2039827B2 (de) * 1970-08-11 1973-10-25 Erwin Sick Optik-Elektronik, 7808 Waldkirch Optische Anordnung zur Erzeugung eines Meß- und eines Vergleichsstrahlenbündels
US3885162A (en) * 1973-10-31 1975-05-20 Contraves Goerz Corp Optical measuring apparatus
US3872315A (en) * 1973-12-21 1975-03-18 Babcock & Wilcox Co Radiation sensitive fluid analyzer
JPS5144385U (fr) * 1974-09-30 1976-04-01
NL96179C (fr) * 1975-02-28
JPS5397682U (fr) * 1977-12-20 1978-08-08
DE2928887C2 (de) * 1979-07-17 1981-11-19 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optische Meßvorrichtung
GB2121536A (en) * 1982-06-04 1983-12-21 Airelec Ind Programmable controller
DE3309838C2 (de) * 1983-03-18 1986-06-05 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optisches Transmissionsmeßgerät
US5077480B1 (en) * 1988-08-22 1996-07-02 United Sciences Inc Transmissometer having solid state light source

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547212A (en) * 1948-01-17 1951-04-03 Philips Lab Inc Apparatus for determining the composition of a substance
US2843008A (en) * 1951-02-05 1958-07-15 Onera (Off Nat Aerospatiale) Apparatus for measuring the temperatures of gaseous fluids and in particular flames
US2873644A (en) * 1955-02-08 1959-02-17 American Instr Co Inc Optical system for the measurement of turbidity
US2877453A (en) * 1956-01-17 1959-03-10 Jr Alfred L Mendenhall Smoke detecting device

Also Published As

Publication number Publication date
CH490683A (de) 1970-05-15
DE1911310B1 (de) 1971-02-25
US3617756A (en) 1971-11-02
SE349391B (fr) 1972-09-25
DE1772064B1 (de) 1970-11-19
GB1263563A (en) 1972-02-09

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse