FR2428238B1 - - Google Patents
Info
- Publication number
- FR2428238B1 FR2428238B1 FR7817009A FR7817009A FR2428238B1 FR 2428238 B1 FR2428238 B1 FR 2428238B1 FR 7817009 A FR7817009 A FR 7817009A FR 7817009 A FR7817009 A FR 7817009A FR 2428238 B1 FR2428238 B1 FR 2428238B1
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N21/474—Details of optical heads therefor, e.g. using optical fibres
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7817009A FR2428238A1 (fr) | 1978-06-07 | 1978-06-07 | Dispositif pour determiner la qualite du poli des surfaces optiques |
CH424279A CH629299A5 (fr) | 1978-06-07 | 1979-05-07 | Dispositif pour determiner la qualite du poli des surfaces optiques. |
BE1/9393A BE876305A (fr) | 1978-06-07 | 1979-05-17 | Dispositif pour determiner la qualite du poli des surfaces optiques |
GB7918113A GB2022823A (en) | 1978-06-07 | 1979-05-24 | A Device for Determining the Quality of the Finish Optical Surfaces |
DE19792922163 DE2922163A1 (de) | 1978-06-07 | 1979-05-31 | Optische vorrichtung zur bestimmung der guete einer oberflaeche |
NL7904409A NL7904409A (nl) | 1978-06-07 | 1979-06-05 | Inrichting voor de bepaling van de gladheidskwaliteit van optische oppervlakken. |
IT7968223A IT7968223A0 (it) | 1978-06-07 | 1979-06-06 | Dispositivo per determinare la qualita della levigatezza di superfici ottiche |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7817009A FR2428238A1 (fr) | 1978-06-07 | 1978-06-07 | Dispositif pour determiner la qualite du poli des surfaces optiques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2428238A1 FR2428238A1 (fr) | 1980-01-04 |
FR2428238B1 true FR2428238B1 (fr) | 1981-12-11 |
Family
ID=9209188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7817009A Granted FR2428238A1 (fr) | 1978-06-07 | 1978-06-07 | Dispositif pour determiner la qualite du poli des surfaces optiques |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE876305A (fr) |
CH (1) | CH629299A5 (fr) |
DE (1) | DE2922163A1 (fr) |
FR (1) | FR2428238A1 (fr) |
GB (1) | GB2022823A (fr) |
IT (1) | IT7968223A0 (fr) |
NL (1) | NL7904409A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2593599B1 (fr) * | 1986-01-29 | 1991-06-21 | France Etat Ponts Chaussees | Procede et dispositif de determination sans contact du relief d'une surface |
IE883229L (en) * | 1988-10-25 | 1990-04-25 | Provost Fellows Of Trinity Col | Measuring surface quality of a lens |
DE4229349C2 (de) * | 1992-09-05 | 1995-05-24 | Schoeller Felix Jun Papier | Verfahren und Anordnung zur Messung der optischen Oberflächengüte von spiegelnden Materialien und der optischen Güte transparenter Materialien |
DE102010039549B4 (de) * | 2010-08-20 | 2014-11-06 | Tu Bergakademie Freiberg | Verfahren und Spektrometer zur optischen Charakterisierung eines transparenten Mediums |
WO2014201501A1 (fr) * | 2013-06-19 | 2014-12-24 | Optiscan Pty Ltd | Scanner optique et sonde optique à lentilles balayées |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3245306A (en) * | 1961-10-05 | 1966-04-12 | Aluminum Co Of America | Photometer and method |
US3734626A (en) * | 1972-01-14 | 1973-05-22 | Control Data Corp | Light apparatus for testing surfaces |
US3804521A (en) * | 1972-02-22 | 1974-04-16 | Itek Corp | Optical device for measuring surface roughness |
CH552197A (de) * | 1972-11-24 | 1974-07-31 | Bbc Brown Boveri & Cie | Einrichtung zum messen der rauhigkeit einer oberflaeche. |
-
1978
- 1978-06-07 FR FR7817009A patent/FR2428238A1/fr active Granted
-
1979
- 1979-05-07 CH CH424279A patent/CH629299A5/fr not_active IP Right Cessation
- 1979-05-17 BE BE1/9393A patent/BE876305A/fr not_active IP Right Cessation
- 1979-05-24 GB GB7918113A patent/GB2022823A/en not_active Withdrawn
- 1979-05-31 DE DE19792922163 patent/DE2922163A1/de not_active Withdrawn
- 1979-06-05 NL NL7904409A patent/NL7904409A/xx not_active Application Discontinuation
- 1979-06-06 IT IT7968223A patent/IT7968223A0/it unknown
Also Published As
Publication number | Publication date |
---|---|
IT7968223A0 (it) | 1979-06-06 |
FR2428238A1 (fr) | 1980-01-04 |
BE876305A (fr) | 1979-11-19 |
NL7904409A (nl) | 1979-12-11 |
GB2022823A (en) | 1979-12-19 |
CH629299A5 (fr) | 1982-04-15 |
DE2922163A1 (de) | 1979-12-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |