FR2191145B1 - - Google Patents
Info
- Publication number
- FR2191145B1 FR2191145B1 FR7320291A FR7320291A FR2191145B1 FR 2191145 B1 FR2191145 B1 FR 2191145B1 FR 7320291 A FR7320291 A FR 7320291A FR 7320291 A FR7320291 A FR 7320291A FR 2191145 B1 FR2191145 B1 FR 2191145B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
-
- 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
- G02C7/102—Photochromic filters
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722232105 DE2232105A1 (de) | 1972-06-30 | 1972-06-30 | Phototropes mehrstaerkenbrillenglas |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2191145A1 FR2191145A1 (enrdf_load_stackoverflow) | 1974-02-01 |
FR2191145B1 true FR2191145B1 (enrdf_load_stackoverflow) | 1976-11-12 |
Family
ID=5849295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7320291A Expired FR2191145B1 (enrdf_load_stackoverflow) | 1972-06-30 | 1973-06-05 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2232105A1 (enrdf_load_stackoverflow) |
FR (1) | FR2191145B1 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4302359A1 (de) * | 1993-01-28 | 1994-08-18 | Hellmut Dr Worch | Sehhilfe |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7018042U (de) * | 1970-05-14 | 1970-12-17 | Soehnges Optik | Contactlinse aus phototropem material. |
-
1972
- 1972-06-30 DE DE19722232105 patent/DE2232105A1/de active Pending
-
1973
- 1973-06-05 FR FR7320291A patent/FR2191145B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2191145A1 (enrdf_load_stackoverflow) | 1974-02-01 |
DE2232105A1 (de) | 1974-01-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |