AT189810B - Lochbrille als Ersatzlesebrille - Google Patents
Lochbrille als ErsatzlesebrilleInfo
- Publication number
- AT189810B AT189810B AT189810DA AT189810B AT 189810 B AT189810 B AT 189810B AT 189810D A AT189810D A AT 189810DA AT 189810 B AT189810 B AT 189810B
- Authority
- AT
- Austria
- Prior art keywords
- glasses
- hole
- replacement reading
- replacement
- reading
- Prior art date
Links
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
- G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT189810T | 1953-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT189810B true AT189810B (de) | 1957-05-10 |
Family
ID=3664875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT189810D AT189810B (de) | 1953-02-27 | 1953-02-27 | Lochbrille als Ersatzlesebrille |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT189810B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3507566A (en) * | 1968-04-29 | 1970-04-21 | Arthur A Knapp | Contact lens and spectacle lens structure |
US5485227A (en) * | 1995-02-28 | 1996-01-16 | Lin; Chwen Y. | Light transmission adjustable spectacles |
-
1953
- 1953-02-27 AT AT189810D patent/AT189810B/de active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3507566A (en) * | 1968-04-29 | 1970-04-21 | Arthur A Knapp | Contact lens and spectacle lens structure |
US5485227A (en) * | 1995-02-28 | 1996-01-16 | Lin; Chwen Y. | Light transmission adjustable spectacles |
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