JPS5754121U - - Google Patents
Info
- Publication number
- JPS5754121U JPS5754121U JP1980129965U JP12996580U JPS5754121U JP S5754121 U JPS5754121 U JP S5754121U JP 1980129965 U JP1980129965 U JP 1980129965U JP 12996580 U JP12996580 U JP 12996580U JP S5754121 U JPS5754121 U JP S5754121U
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
- G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Diaphragms For Cameras (AREA)
- Exposure Control For Cameras (AREA)
- Lens Barrels (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980129965U JPS6139376Y2 (ja) | 1980-09-11 | 1980-09-11 | |
| US06/300,613 US4473281A (en) | 1980-09-11 | 1981-09-09 | Compensating mechanism for zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980129965U JPS6139376Y2 (ja) | 1980-09-11 | 1980-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5754121U true JPS5754121U (ja) | 1982-03-30 |
| JPS6139376Y2 JPS6139376Y2 (ja) | 1986-11-12 |
Family
ID=15022801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980129965U Expired JPS6139376Y2 (ja) | 1980-09-11 | 1980-09-11 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4473281A (ja) |
| JP (1) | JPS6139376Y2 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4794418A (en) * | 1986-12-12 | 1988-12-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Programmed shutter and apparatus for preventing foreign matter on lens from being photographed in a lens shutter type of camera |
| JPH05119367A (ja) * | 1991-10-23 | 1993-05-18 | Asahi Optical Co Ltd | ズームレンズ鏡筒の絞機構 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53123933U (ja) * | 1977-03-10 | 1978-10-02 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5760009Y2 (ja) * | 1974-08-17 | 1982-12-21 | ||
| JPS545724A (en) * | 1977-06-15 | 1979-01-17 | Asahi Optical Co Ltd | Changeeover lens type ttl automatic exposure camera |
-
1980
- 1980-09-11 JP JP1980129965U patent/JPS6139376Y2/ja not_active Expired
-
1981
- 1981-09-09 US US06/300,613 patent/US4473281A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53123933U (ja) * | 1977-03-10 | 1978-10-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6139376Y2 (ja) | 1986-11-12 |
| US4473281A (en) | 1984-09-25 |