BE478575A - - Google Patents
Info
- Publication number
- BE478575A BE478575A BE478575DA BE478575A BE 478575 A BE478575 A BE 478575A BE 478575D A BE478575D A BE 478575DA BE 478575 A BE478575 A BE 478575A
- Authority
- BE
- Belgium
- Prior art keywords
- discs
- disc
- glasses
- desc
- page number
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000010287 polarization Effects 0.000 claims 1
- 210000004709 eyebrow Anatomy 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004313 glare Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000001491 myopia Diseases 0.000 description 2
- 230000004379 myopia Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 206010052128 Glare Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 201000010041 presbyopia Diseases 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—Polarisers
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
- Polarising Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR918436T | 1945-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478575A true BE478575A (enrdf_load_stackoverflow) | 1948-01-31 |
Family
ID=9424431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478575D BE478575A (enrdf_load_stackoverflow) | 1945-12-06 | 1947-12-24 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE478575A (enrdf_load_stackoverflow) |
| FR (1) | FR918436A (enrdf_load_stackoverflow) |
| NL (1) | NL67857C (enrdf_load_stackoverflow) |
-
1945
- 1945-12-06 FR FR918436D patent/FR918436A/fr not_active Expired
-
1947
- 1947-12-19 NL NL137143A patent/NL67857C/xx active
- 1947-12-24 BE BE478575D patent/BE478575A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR918436A (fr) | 1947-02-07 |
| NL67857C (enrdf_load_stackoverflow) | 1951-04-17 |
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