BE341006A - - Google Patents
Info
- Publication number
- BE341006A BE341006A BE341006DA BE341006A BE 341006 A BE341006 A BE 341006A BE 341006D A BE341006D A BE 341006DA BE 341006 A BE341006 A BE 341006A
- Authority
- BE
- Belgium
- Prior art keywords
- eyepieces
- screens
- protective screens
- glass
- protect
- Prior art date
Links
- 230000001681 protective Effects 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 description 2
- 210000003660 Reticulum Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000007787 solid Substances 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
-
- 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)
- Telescopes (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE341006A true BE341006A (de) |
Family
ID=17694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE341006D BE341006A (de) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE341006A (de) |
-
0
- BE BE341006D patent/BE341006A/fr unknown
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