NL7000923A - - Google Patents
Info
- Publication number
- NL7000923A NL7000923A NL7000923A NL7000923A NL7000923A NL 7000923 A NL7000923 A NL 7000923A NL 7000923 A NL7000923 A NL 7000923A NL 7000923 A NL7000923 A NL 7000923A NL 7000923 A NL7000923 A NL 7000923A
- Authority
- NL
- Netherlands
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
-
- 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
- B24B13/06—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, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
- B24B13/065—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, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes using a template
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6901421A FR2029378A1 (xx) | 1969-01-24 | 1969-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7000923A true NL7000923A (xx) | 1970-07-28 |
Family
ID=9028181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7000923A NL7000923A (xx) | 1969-01-24 | 1970-01-22 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2002474A1 (xx) |
| FR (1) | FR2029378A1 (xx) |
| GB (1) | GB1292202A (xx) |
| NL (1) | NL7000923A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3016936C2 (de) * | 1980-05-02 | 1983-12-01 | Fa. Carl Zeiss, 7920 Heidenheim | Brillenlinse mit astigmatischer Wirkung |
| JP2602293B2 (ja) * | 1988-08-12 | 1997-04-23 | 株式会社日立製作所 | 非球面形状物体の加工方法及び加工装置 |
| DE4107195A1 (de) * | 1991-03-15 | 1992-09-10 | Ishida Koki Seisakusho Co | Auf kurzen und mittleren abstand aberrationsfreies brillenglas fuer alterssichtigkeit |
| DE4210008A1 (de) * | 1992-03-27 | 1993-09-30 | Zeiss Carl Fa | Brillenlinse |
-
1969
- 1969-01-24 FR FR6901421A patent/FR2029378A1/fr not_active Withdrawn
-
1970
- 1970-01-21 DE DE19702002474 patent/DE2002474A1/de active Pending
- 1970-01-22 NL NL7000923A patent/NL7000923A/xx unknown
- 1970-01-23 GB GB345070A patent/GB1292202A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2029378A1 (xx) | 1970-10-23 |
| DE2002474A1 (de) | 1970-07-30 |
| GB1292202A (en) | 1972-10-11 |