JPS4849453A - - Google Patents
Info
- Publication number
- JPS4849453A JPS4849453A JP8337471A JP8337471A JPS4849453A JP S4849453 A JPS4849453 A JP S4849453A JP 8337471 A JP8337471 A JP 8337471A JP 8337471 A JP8337471 A JP 8337471A JP S4849453 A JPS4849453 A JP S4849453A
- 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
Landscapes
- Lens Barrels (AREA)
- Lenses (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8337471A JPS5715367B2 (en) | 1971-10-22 | 1971-10-22 | |
| DE19722251574 DE2251574C3 (en) | 1971-10-22 | 1972-10-20 | Variable magnification lens system |
| US05/466,601 US4037937A (en) | 1971-10-22 | 1974-05-03 | Variable magnification lens system using symmetric lens of variable focal length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8337471A JPS5715367B2 (en) | 1971-10-22 | 1971-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4849453A true JPS4849453A (en) | 1973-07-12 |
| JPS5715367B2 JPS5715367B2 (en) | 1982-03-30 |
Family
ID=13800632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8337471A Expired JPS5715367B2 (en) | 1971-10-22 | 1971-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5715367B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5767909A (en) * | 1980-10-15 | 1982-04-24 | Canon Inc | Variable magnification optical system |
| JPS58100812A (en) * | 1981-12-12 | 1983-06-15 | Tokinaa Kogaku Kk | Variable magnification lens system by having constant distance between object and image |
| JPS5961814A (en) * | 1982-09-30 | 1984-04-09 | Fuji Photo Optical Co Ltd | Zoom lens system of conjugate distance |
| JPS61128220A (en) * | 1984-11-28 | 1986-06-16 | Tamuron:Kk | Variable power optical system |
| JPS6218514A (en) * | 1985-07-18 | 1987-01-27 | Konishiroku Photo Ind Co Ltd | Transfer zoom lens system |
| JPH0272316A (en) * | 1988-09-07 | 1990-03-12 | Konica Corp | Compact zoom lens |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063261U (en) * | 1992-06-26 | 1994-01-18 | 関東車両整備株式会社 | Disposal gum removal machine |
| JPH0716753U (en) * | 1993-08-24 | 1995-03-20 | 株式会社石崎電機製作所 | Gum peeler |
| JPH0827753A (en) * | 1994-07-20 | 1996-01-30 | East Japan Railway Co | Removal and collection device of chewing gum attached to floor surface |
-
1971
- 1971-10-22 JP JP8337471A patent/JPS5715367B2/ja not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5767909A (en) * | 1980-10-15 | 1982-04-24 | Canon Inc | Variable magnification optical system |
| JPS58100812A (en) * | 1981-12-12 | 1983-06-15 | Tokinaa Kogaku Kk | Variable magnification lens system by having constant distance between object and image |
| JPS5961814A (en) * | 1982-09-30 | 1984-04-09 | Fuji Photo Optical Co Ltd | Zoom lens system of conjugate distance |
| JPS6358323B2 (en) * | 1982-09-30 | 1988-11-15 | Fuji Photo Optical Co Ltd | |
| JPS61128220A (en) * | 1984-11-28 | 1986-06-16 | Tamuron:Kk | Variable power optical system |
| JPS6218514A (en) * | 1985-07-18 | 1987-01-27 | Konishiroku Photo Ind Co Ltd | Transfer zoom lens system |
| JPH0523404B2 (en) * | 1985-07-18 | 1993-04-02 | Konishiroku Photo Ind | |
| JPH0272316A (en) * | 1988-09-07 | 1990-03-12 | Konica Corp | Compact zoom lens |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5715367B2 (en) | 1982-03-30 |