FR2183922B3 - - Google Patents
Info
- Publication number
- FR2183922B3 FR2183922B3 FR7316490A FR7316490A FR2183922B3 FR 2183922 B3 FR2183922 B3 FR 2183922B3 FR 7316490 A FR7316490 A FR 7316490A FR 7316490 A FR7316490 A FR 7316490A FR 2183922 B3 FR2183922 B3 FR 2183922B3
- 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
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/896—Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- 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 Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25183372A | 1972-05-09 | 1972-05-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2183922A1 FR2183922A1 (enExample) | 1973-12-21 |
| FR2183922B3 true FR2183922B3 (enExample) | 1976-04-23 |
Family
ID=22953607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7316490A Expired FR2183922B3 (enExample) | 1972-05-09 | 1973-05-08 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3736065A (enExample) |
| JP (1) | JPS5225354B2 (enExample) |
| CA (1) | CA989034A (enExample) |
| FR (1) | FR2183922B3 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887284A (en) * | 1973-11-14 | 1975-06-03 | Barry Wehmiller Co | Scuffed container detector |
| JPS5417341B2 (enExample) * | 1974-11-14 | 1979-06-29 | ||
| JPS5279985A (en) * | 1975-12-25 | 1977-07-05 | Katsuya Yamada | Method of detecting composition irregularity etc* of transparent sheet |
| CA1089551A (en) * | 1978-06-27 | 1980-11-11 | John M. Lucas | Graininess sensor |
| JPS56124038A (en) * | 1980-03-06 | 1981-09-29 | Asahi Glass Co Ltd | Detecting method for defect of transparent plate |
| CH669663A5 (enExample) * | 1985-12-17 | 1989-03-31 | Schweiz Eidgenossenschaft Sin | |
| FI902098A0 (fi) * | 1988-08-26 | 1990-04-26 | Libbey Owens Ford Co | Foerfarande och anordning foer inspektion av glasskivor. |
| FR2780778B3 (fr) * | 1998-07-03 | 2000-08-11 | Saint Gobain Vitrage | Procede et dispositif pour la mesure de l'epaisseur d'un materiau transparent |
| EP3076164A1 (fr) * | 2015-04-03 | 2016-10-05 | AGC Glass Europe | Procédé de contrôle de verre plat |
| JP2018147579A (ja) * | 2017-03-01 | 2018-09-20 | オムロン株式会社 | 光電センサ |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3081665A (en) * | 1959-04-21 | 1963-03-19 | Libbey Owens Ford Glass Co | Method and apparatus for optical inspection of glass sheets |
| US3245306A (en) * | 1961-10-05 | 1966-04-12 | Aluminum Co Of America | Photometer and method |
-
1972
- 1972-05-09 US US00251833A patent/US3736065A/en not_active Expired - Lifetime
-
1973
- 1973-03-23 CA CA166,880A patent/CA989034A/en not_active Expired
- 1973-05-08 FR FR7316490A patent/FR2183922B3/fr not_active Expired
- 1973-05-09 JP JP48050811A patent/JPS5225354B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3736065A (en) | 1973-05-29 |
| CA989034A (en) | 1976-05-11 |
| FR2183922A1 (enExample) | 1973-12-21 |
| JPS5225354B2 (enExample) | 1977-07-07 |
| JPS4962177A (enExample) | 1974-06-17 |