CH613532A5 - - Google Patents
Info
- Publication number
- CH613532A5 CH613532A5 CH493977A CH493977A CH613532A5 CH 613532 A5 CH613532 A5 CH 613532A5 CH 493977 A CH493977 A CH 493977A CH 493977 A CH493977 A CH 493977A CH 613532 A5 CH613532 A5 CH 613532A5
- Authority
- CH
- Switzerland
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
- G02B15/144—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 having four groups only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Lens Barrels (AREA)
- Microscoopes, Condenser (AREA)
- Telescopes (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH493977A CH613532A5 (US07576130-20090818-C00114.png) | 1977-04-21 | 1977-04-21 | |
| AT406377A AT347716B (de) | 1977-04-21 | 1977-06-08 | Optisches system |
| GB14468/78A GB1602802A (en) | 1977-04-21 | 1978-04-13 | Optical systems |
| JP4582378A JPS5417019A (en) | 1977-04-21 | 1978-04-18 | Optical system |
| FR7811549A FR2388288A1 (fr) | 1977-04-21 | 1978-04-19 | Systeme optique a compensation de la deviation du champ d'image |
| US05/897,722 US4198129A (en) | 1977-04-21 | 1978-04-19 | Varifocal lens system with three moving components |
| DE19782817274 DE2817274A1 (de) | 1977-04-21 | 1978-04-20 | Optisches system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH493977A CH613532A5 (US07576130-20090818-C00114.png) | 1977-04-21 | 1977-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH613532A5 true CH613532A5 (US07576130-20090818-C00114.png) | 1979-09-28 |
Family
ID=4285142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH493977A CH613532A5 (US07576130-20090818-C00114.png) | 1977-04-21 | 1977-04-21 |
Country Status (7)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4446526A (en) * | 1981-07-02 | 1984-05-01 | Asahi Kogaku Kogyo Kabushiki Kaisha | Control circuit for zooming device |
| US4585313A (en) * | 1982-12-14 | 1986-04-29 | West Electric Company Ltd. | Lens drive device and optical lens assembly utilizing the same |
| JPS59125719A (ja) * | 1983-01-06 | 1984-07-20 | Fuji Photo Optical Co Ltd | フロ−テイング機構 |
| JPS613113A (ja) * | 1984-06-15 | 1986-01-09 | Canon Inc | ズ−ムレンズ |
| US4812030A (en) * | 1985-01-03 | 1989-03-14 | The Boeing Company | Catoptric zoom optical device |
| US5774749A (en) * | 1985-05-14 | 1998-06-30 | Canon Kabushiki Kaisha | Camera having a magnification change-over device |
| US5191477A (en) * | 1990-02-22 | 1993-03-02 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom finder |
| JPH0431127U (US07576130-20090818-C00114.png) * | 1990-07-05 | 1992-03-12 | ||
| GB2253281B (en) * | 1991-02-15 | 1994-05-25 | Asahi Optical Co Ltd | Zoom lens |
| US6108146A (en) * | 1999-03-31 | 2000-08-22 | Eastman Kodak Company | Zoom assembly having an improved cam barrel |
| US6151171A (en) * | 1999-03-31 | 2000-11-21 | Eastman Kodak Company | Zoom assembly having zoom lens with plurality of lens group that move together or differentially for zooming and focusing |
| US6064533A (en) * | 1999-03-31 | 2000-05-16 | Eastman Kodak Company | Zoom assembly |
| DE20207284U1 (de) | 2002-05-08 | 2002-08-08 | Leica Microsystems Ag, Heerbrugg | Vorrichtung zur wahlweisen Einstellung von Zoombereichen |
| DE10359733A1 (de) * | 2003-12-19 | 2005-07-14 | Carl Zeiss Jena Gmbh | Afokales Zoomsystem |
| JP5298782B2 (ja) * | 2008-11-05 | 2013-09-25 | 株式会社ニコン | レンズ鏡筒及び撮像装置 |
| JP6588794B2 (ja) * | 2015-10-20 | 2019-10-09 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH326225A (fr) * | 1953-05-13 | 1957-12-15 | Soc Optique Mec Haute Prec | Dispositif optique à distance focale variable |
| US3051052A (en) * | 1959-08-31 | 1962-08-28 | Bergstein Leonard | Varifocal lens system with four points of exact image shift compensation |
| GB995429A (en) * | 1960-11-29 | 1965-06-16 | Christl Hauser | Photographic objective |
| US3192829A (en) * | 1961-06-16 | 1965-07-06 | Yamaji Keizo | Varifocal lens system of wide varifocal range |
| JPS4923912B1 (US07576130-20090818-C00114.png) * | 1970-12-15 | 1974-06-19 |
-
1977
- 1977-04-21 CH CH493977A patent/CH613532A5/xx not_active IP Right Cessation
- 1977-06-08 AT AT406377A patent/AT347716B/de not_active IP Right Cessation
-
1978
- 1978-04-13 GB GB14468/78A patent/GB1602802A/en not_active Expired
- 1978-04-18 JP JP4582378A patent/JPS5417019A/ja active Pending
- 1978-04-19 US US05/897,722 patent/US4198129A/en not_active Expired - Lifetime
- 1978-04-19 FR FR7811549A patent/FR2388288A1/fr not_active Withdrawn
- 1978-04-20 DE DE19782817274 patent/DE2817274A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5417019A (en) | 1979-02-08 |
| AT347716B (de) | 1979-01-10 |
| FR2388288A1 (fr) | 1978-11-17 |
| US4198129A (en) | 1980-04-15 |
| ATA406377A (de) | 1978-05-15 |
| GB1602802A (en) | 1981-11-18 |
| DE2817274A1 (de) | 1978-10-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |