BE397789A - - Google Patents
Info
- Publication number
- BE397789A BE397789A BE397789DA BE397789A BE 397789 A BE397789 A BE 397789A BE 397789D A BE397789D A BE 397789DA BE 397789 A BE397789 A BE 397789A
- Authority
- BE
- Belgium
- Prior art keywords
- screen
- screen according
- circular support
- levers
- light sources
- Prior art date
Links
- 230000004438 eyesight Effects 0.000 claims description 8
- 230000004313 glare Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000003287 optical Effects 0.000 claims 1
- 210000003128 Head Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 241000268741 Pax Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002452 interceptive Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction 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
- G02C1/00—Assemblies of lenses with bridges or browbars
- G02C1/06—Bridge or browbar secured to or integral with closed rigid rims for the lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C9/00—Attaching auxiliary optical parts
- G02C9/02—Attaching auxiliary optical parts by hinging
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Eyeglasses (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE397789A true BE397789A (de) |
Family
ID=64433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE397789D BE397789A (de) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE397789A (de) |
-
0
- BE BE397789D patent/BE397789A/fr unknown
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