DE2140752C3 - Vorrichtung zur Messung der optischen Dichte einer in einer Ebene geführten Materialbahn - Google Patents
Vorrichtung zur Messung der optischen Dichte einer in einer Ebene geführten MaterialbahnInfo
- Publication number
- DE2140752C3 DE2140752C3 DE2140752A DE2140752A DE2140752C3 DE 2140752 C3 DE2140752 C3 DE 2140752C3 DE 2140752 A DE2140752 A DE 2140752A DE 2140752 A DE2140752 A DE 2140752A DE 2140752 C3 DE2140752 C3 DE 2140752C3
- Authority
- DE
- Germany
- Prior art keywords
- detector
- material web
- screen
- web
- distance
- Prior art date
- 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
- 239000000463 material Substances 0.000 title claims description 32
- 230000003287 optical effect Effects 0.000 title claims description 10
- 230000005855 radiation Effects 0.000 claims description 15
- 238000001739 density measurement Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- G01N21/86—Investigating moving sheets
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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4088470A GB1364439A (en) | 1970-08-25 | 1970-08-25 | Measurement of optical density |
| US17446971A | 1971-08-24 | 1971-08-24 | |
| US00356067A US3809911A (en) | 1970-08-25 | 1973-05-01 | Method of measuring optical density |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2140752A1 DE2140752A1 (de) | 1972-03-02 |
| DE2140752B2 DE2140752B2 (de) | 1979-05-03 |
| DE2140752C3 true DE2140752C3 (de) | 1980-01-24 |
Family
ID=27259666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2140752A Expired DE2140752C3 (de) | 1970-08-25 | 1971-08-13 | Vorrichtung zur Messung der optischen Dichte einer in einer Ebene geführten Materialbahn |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3809911A (Direct) |
| BE (1) | BE771380A (Direct) |
| CA (1) | CA946956A (Direct) |
| DE (1) | DE2140752C3 (Direct) |
| FR (1) | FR2104264A5 (Direct) |
| GB (1) | GB1364439A (Direct) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2172102B (en) * | 1985-03-09 | 1988-10-19 | Haigh Chadwick Ltd | Textile structure measurement |
| GB8506149D0 (en) * | 1985-03-09 | 1985-04-11 | Haigh Chadwick Ltd | Textile structure measurement |
| NL8901722A (nl) * | 1989-07-06 | 1991-02-01 | Oce Nederland Bv | Inrichting voor het meten van door een informatiedrager verstrooid licht. |
| GB9020124D0 (en) * | 1990-09-14 | 1990-10-24 | Kodak Ltd | Photographic processing apparatus |
| US6238077B1 (en) | 1996-01-23 | 2001-05-29 | Advanced Optical Technologies, L.L.C. | Apparatus for projecting electromagnetic radiation with a tailored intensity distribution |
| US5773819A (en) * | 1996-01-23 | 1998-06-30 | Advanced Optical Technologies, Llc. | Single element light detector |
| US5705804A (en) * | 1996-01-23 | 1998-01-06 | Science Applications International Corporation | Quadrant light detector |
| US6064061A (en) * | 1998-03-31 | 2000-05-16 | Advanced Optical Technologies, L.L.C. | Enhancements in radiant energy transducer systems |
| US5914487A (en) * | 1997-01-22 | 1999-06-22 | Advanced Optical Technologies, Llc | Radiant energy transducing apparatus with constructive occlusion |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2769374A (en) * | 1951-10-19 | 1956-11-06 | Sick Erwin | Electrical light screen |
| US3377484A (en) * | 1963-11-01 | 1968-04-09 | American Enka Corp | Optical fluff detecting apparatus employing dual light paths |
| DE1221927B (de) * | 1964-05-06 | 1966-07-28 | Sick Erwin | Lichtschranke, insbesondere Unfallschutzvorrichtung |
| GB1116213A (en) * | 1964-06-16 | 1968-06-06 | Charles Gunn Russell | Optical scanning apparatus for detecting changes of quality of a material |
-
1970
- 1970-08-25 GB GB4088470A patent/GB1364439A/en not_active Expired
-
1971
- 1971-08-10 CA CA120,214A patent/CA946956A/en not_active Expired
- 1971-08-11 FR FR7129490A patent/FR2104264A5/fr not_active Expired
- 1971-08-13 DE DE2140752A patent/DE2140752C3/de not_active Expired
- 1971-08-17 BE BE771380A patent/BE771380A/nl not_active IP Right Cessation
-
1973
- 1973-05-01 US US00356067A patent/US3809911A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1364439A (en) | 1974-08-21 |
| BE771380A (nl) | 1972-02-17 |
| CA946956A (en) | 1974-05-07 |
| US3809911A (en) | 1974-05-07 |
| FR2104264A5 (Direct) | 1972-04-14 |
| DE2140752A1 (de) | 1972-03-02 |
| DE2140752B2 (de) | 1979-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |