FR1544799A - Lentille à foyer progressivement variable et procédé de meulage de celle-ci - Google Patents
Lentille à foyer progressivement variable et procédé de meulage de celle-ciInfo
- Publication number
- FR1544799A FR1544799A FR122388A FR122388A FR1544799A FR 1544799 A FR1544799 A FR 1544799A FR 122388 A FR122388 A FR 122388A FR 122388 A FR122388 A FR 122388A FR 1544799 A FR1544799 A FR 1544799A
- Authority
- FR
- France
- Prior art keywords
- grinding
- same
- focus lens
- variable focus
- gradually variable
- Prior art date
- 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
- G02C7/061—Spectacle lenses with progressively varying focal power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/04—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing
- B24B13/043—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing using cup-type grinding wheels
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR122388A FR1544799A (fr) | 1967-09-27 | 1967-09-27 | Lentille à foyer progressivement variable et procédé de meulage de celle-ci |
DE19681772396 DE1772396C3 (de) | 1967-05-12 | 1968-05-09 | Verfahren zur Formung eines Brillenglases |
GB1234272D GB1234272A (fr) | 1967-05-12 | 1968-05-13 | |
JP6982068A JPS536539B1 (fr) | 1967-09-27 | 1968-09-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR122388A FR1544799A (fr) | 1967-09-27 | 1967-09-27 | Lentille à foyer progressivement variable et procédé de meulage de celle-ci |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1544799A true FR1544799A (fr) | 1968-11-08 |
Family
ID=8639043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR122388A Expired FR1544799A (fr) | 1967-05-12 | 1967-09-27 | Lentille à foyer progressivement variable et procédé de meulage de celle-ci |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS536539B1 (fr) |
FR (1) | FR1544799A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2044639A1 (de) * | 1969-09-11 | 1971-03-18 | Societe Des Lunetiers, Paris | Ophthalmische Linse |
-
1967
- 1967-09-27 FR FR122388A patent/FR1544799A/fr not_active Expired
-
1968
- 1968-09-27 JP JP6982068A patent/JPS536539B1/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2044639A1 (de) * | 1969-09-11 | 1971-03-18 | Societe Des Lunetiers, Paris | Ophthalmische Linse |
Also Published As
Publication number | Publication date |
---|---|
JPS536539B1 (fr) | 1978-03-09 |
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