FR2143494B1 - - Google Patents
Info
- Publication number
- FR2143494B1 FR2143494B1 FR7223255A FR7223255A FR2143494B1 FR 2143494 B1 FR2143494 B1 FR 2143494B1 FR 7223255 A FR7223255 A FR 7223255A FR 7223255 A FR7223255 A FR 7223255A FR 2143494 B1 FR2143494 B1 FR 2143494B1
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Lenses (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15498571A | 1971-06-21 | 1971-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2143494A1 FR2143494A1 (de) | 1973-02-02 |
| FR2143494B1 true FR2143494B1 (de) | 1977-12-23 |
Family
ID=22553658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7223255A Expired FR2143494B1 (de) | 1971-06-21 | 1972-06-20 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5526445B1 (de) |
| CA (1) | CA956820A (de) |
| DE (1) | DE2229735C3 (de) |
| FR (1) | FR2143494B1 (de) |
| GB (1) | GB1335514A (de) |
| IT (1) | IT956733B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5735690U (de) * | 1980-08-07 | 1982-02-25 |
-
1972
- 1972-06-12 CA CA144,448A patent/CA956820A/en not_active Expired
- 1972-06-19 DE DE19722229735 patent/DE2229735C3/de not_active Expired
- 1972-06-20 FR FR7223255A patent/FR2143494B1/fr not_active Expired
- 1972-06-21 IT IT2596972A patent/IT956733B/it active
- 1972-06-21 GB GB2913972A patent/GB1335514A/en not_active Expired
- 1972-06-21 JP JP6227972A patent/JPS5526445B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA956820A (en) | 1974-10-29 |
| IT956733B (it) | 1973-10-10 |
| DE2229735B2 (de) | 1981-01-22 |
| JPS5526445B1 (de) | 1980-07-14 |
| FR2143494A1 (de) | 1973-02-02 |
| GB1335514A (en) | 1973-10-31 |
| DE2229735A1 (de) | 1973-01-11 |
| DE2229735C3 (de) | 1982-02-18 |