FR2173261B3 - - Google Patents
Info
- Publication number
- FR2173261B3 FR2173261B3 FR7306513A FR7306513A FR2173261B3 FR 2173261 B3 FR2173261 B3 FR 2173261B3 FR 7306513 A FR7306513 A FR 7306513A FR 7306513 A FR7306513 A FR 7306513A FR 2173261 B3 FR2173261 B3 FR 2173261B3
- 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
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/22—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with movable lens means specially adapted for focusing at close distances
-
- 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)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT153772A AT316891B (de) | 1972-02-25 | 1972-02-25 | Lichtstarkes Objektiv |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2173261A1 FR2173261A1 (enrdf_load_stackoverflow) | 1973-10-05 |
| FR2173261B3 true FR2173261B3 (enrdf_load_stackoverflow) | 1975-03-21 |
Family
ID=3515605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7306513A Expired FR2173261B3 (enrdf_load_stackoverflow) | 1972-02-25 | 1973-02-23 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT316891B (enrdf_load_stackoverflow) |
| DE (1) | DE2305353A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2173261B3 (enrdf_load_stackoverflow) |
| GB (1) | GB1388081A (enrdf_load_stackoverflow) |
| HK (1) | HK9376A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5832365B2 (ja) * | 1974-05-09 | 1983-07-12 | キヤノン株式会社 | ズ−ムレンズソウチ |
| DE29906210U1 (de) | 1999-04-07 | 1999-07-29 | Schedlinski, Jürgen, 19294 Niendorf | Reinigungsgerät für Grillgeräte o.dgl. |
-
1972
- 1972-02-25 AT AT153772A patent/AT316891B/de not_active IP Right Cessation
-
1973
- 1973-02-03 DE DE19732305353 patent/DE2305353A1/de active Pending
- 1973-02-22 GB GB868273A patent/GB1388081A/en not_active Expired
- 1973-02-23 FR FR7306513A patent/FR2173261B3/fr not_active Expired
-
1976
- 1976-02-26 HK HK9376A patent/HK9376A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1388081A (en) | 1975-03-19 |
| DE2305353A1 (de) | 1973-09-06 |
| AT316891B (de) | 1974-07-25 |
| FR2173261A1 (enrdf_load_stackoverflow) | 1973-10-05 |
| HK9376A (en) | 1976-03-05 |