BE374624A - - Google Patents
Info
- Publication number
- BE374624A BE374624A BE374624DA BE374624A BE 374624 A BE374624 A BE 374624A BE 374624D A BE374624D A BE 374624DA BE 374624 A BE374624 A BE 374624A
- Authority
- BE
- Belgium
- Prior art keywords
- glasses
- frame
- eyepieces
- screen
- hooks
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 3
- 229920002160 Celluloid Polymers 0.000 claims description 2
- 230000004313 glare Effects 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 201000004569 Blindness Diseases 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 241001272996 Polyphylla fullo Species 0.000 description 1
- 230000003287 optical effect Effects 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
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/105—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having inhomogeneously distributed colouring
-
- 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
- G02C9/04—Attaching auxiliary optical parts by fitting over or clamping on
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE374624A true BE374624A (enExample) |
Family
ID=45366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE374624D BE374624A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE374624A (enExample) |
-
0
- BE BE374624D patent/BE374624A/fr unknown
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