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FR2159771A5 - - Google Patents

Info

Publication number
FR2159771A5
FR2159771A5 FR7140484A FR7140484A FR2159771A5 FR 2159771 A5 FR2159771 A5 FR 2159771A5 FR 7140484 A FR7140484 A FR 7140484A FR 7140484 A FR7140484 A FR 7140484A FR 2159771 A5 FR2159771 A5 FR 2159771A5
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.)
Expired
Application number
FR7140484A
Other languages
French (fr)
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.)
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Original Assignee
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
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 to BE790205D priority Critical patent/BE790205A/en
Application filed by Societe dOptique Precision Electronique et Mecanique SOPELEM SA filed Critical Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Priority to FR7140484A priority patent/FR2159771A5/fr
Priority to CH1520272A priority patent/CH551006A/en
Priority to IT70380/72A priority patent/IT975382B/en
Priority to NL7214569A priority patent/NL7214569A/xx
Priority to ZA727748A priority patent/ZA727748B/en
Priority to JP47112532A priority patent/JPS5139875B2/ja
Priority to DE2255221A priority patent/DE2255221A1/en
Application granted granted Critical
Publication of FR2159771A5 publication Critical patent/FR2159771A5/fr
Expired 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle

Landscapes

  • Physics & Mathematics (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)
FR7140484A 1971-11-12 1971-11-12 Expired FR2159771A5 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE790205D BE790205A (en) 1971-11-12 PORTABLE REFRACTOMETER
FR7140484A FR2159771A5 (en) 1971-11-12 1971-11-12
CH1520272A CH551006A (en) 1971-11-12 1972-10-18 PORTABLE REFRACTOMETER.
IT70380/72A IT975382B (en) 1971-11-12 1972-10-26 PRECISION ELECTRONIQUE ET MECANIQUE SOPELEM PORTABLE REFRACTOMETER
NL7214569A NL7214569A (en) 1971-11-12 1972-10-27
ZA727748A ZA727748B (en) 1971-11-12 1972-11-01 Improvements in or relating to refractometers
JP47112532A JPS5139875B2 (en) 1971-11-12 1972-11-09
DE2255221A DE2255221A1 (en) 1971-11-12 1972-11-10 PORTABLE REFRACTOMETER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7140484A FR2159771A5 (en) 1971-11-12 1971-11-12

Publications (1)

Publication Number Publication Date
FR2159771A5 true FR2159771A5 (en) 1973-06-22

Family

ID=9085676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7140484A Expired FR2159771A5 (en) 1971-11-12 1971-11-12

Country Status (8)

Country Link
JP (1) JPS5139875B2 (en)
BE (1) BE790205A (en)
CH (1) CH551006A (en)
DE (1) DE2255221A1 (en)
FR (1) FR2159771A5 (en)
IT (1) IT975382B (en)
NL (1) NL7214569A (en)
ZA (1) ZA727748B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133607A1 (en) * 1983-08-03 1985-02-27 Stanley Electric Co., Ltd. Refractometer for the measurement of the refractive index of a liquid
EP1686365A1 (en) * 2005-01-27 2006-08-02 Atago Co., Ltd. Portable refractometer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5174272U (en) * 1974-12-10 1976-06-11
US5355211A (en) * 1993-04-02 1994-10-11 Leica Inc. Refractometer subassembly method and apparatus
JP4653148B2 (en) * 2007-08-10 2011-03-16 株式会社アタゴ Hand-held refractometer and manufacturing method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133607A1 (en) * 1983-08-03 1985-02-27 Stanley Electric Co., Ltd. Refractometer for the measurement of the refractive index of a liquid
WO1985000886A1 (en) * 1983-08-03 1985-02-28 Battelle Memorial Institute Refractometer for measuring the index of refraction of a liquid
US4682889A (en) * 1983-08-03 1987-07-28 Stanley Electric Co., Ltd. Refractometer for measuring the refractive index of a liquid
EP1686365A1 (en) * 2005-01-27 2006-08-02 Atago Co., Ltd. Portable refractometer
US7369221B2 (en) 2005-01-27 2008-05-06 Atago Co., Ltd. Portable refractometer

Also Published As

Publication number Publication date
JPS5139875B2 (en) 1976-10-30
IT975382B (en) 1974-07-20
BE790205A (en) 1973-02-15
ZA727748B (en) 1974-04-24
CH551006A (en) 1974-06-28
JPS4856482A (en) 1973-08-08
NL7214569A (en) 1973-05-15
DE2255221A1 (en) 1973-05-17

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Legal Events

Date Code Title Description
ST Notification of lapse