GB2288886B - Zoom lens barrel with focal length detector - Google Patents
Zoom lens barrel with focal length detectorInfo
- Publication number
- GB2288886B GB2288886B GB9511665A GB9511665A GB2288886B GB 2288886 B GB2288886 B GB 2288886B GB 9511665 A GB9511665 A GB 9511665A GB 9511665 A GB9511665 A GB 9511665A GB 2288886 B GB2288886 B GB 2288886B
- Authority
- GB
- United Kingdom
- Prior art keywords
- focal length
- lens barrel
- zoom lens
- length detector
- detector
- Prior art date
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2485792U JP2565947Y2 (en) | 1992-04-17 | 1992-04-17 | Connection device for FPC board and code plate of zoom lens barrel |
JP1992024859U JP2593855Y2 (en) | 1992-04-17 | 1992-04-17 | Brush position adjustment device for zoom lens barrel |
JP2485892U JP2565948Y2 (en) | 1992-04-17 | 1992-04-17 | Connection device for FPC board and code plate of zoom lens barrel |
JP1992024860U JP2600895Y2 (en) | 1992-04-17 | 1992-04-17 | Brush holding device for zoom lens barrel |
GB9307764A GB2266162B (en) | 1992-04-17 | 1993-04-15 | Zoom lens barrel with focal length detector |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9511665D0 GB9511665D0 (en) | 1995-08-02 |
GB2288886A GB2288886A (en) | 1995-11-01 |
GB2288886B true GB2288886B (en) | 1996-02-07 |
Family
ID=27517182
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9511664A Expired - Fee Related GB2288885B (en) | 1992-04-17 | 1993-04-15 | Zoom lens barrel with focal length detector |
GB9511665A Expired - Fee Related GB2288886B (en) | 1992-04-17 | 1993-04-15 | Zoom lens barrel with focal length detector |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9511664A Expired - Fee Related GB2288885B (en) | 1992-04-17 | 1993-04-15 | Zoom lens barrel with focal length detector |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2288885B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5327184A (en) * | 1992-04-17 | 1994-07-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel with focal length detector |
-
1993
- 1993-04-15 GB GB9511664A patent/GB2288885B/en not_active Expired - Fee Related
- 1993-04-15 GB GB9511665A patent/GB2288886B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5327184A (en) * | 1992-04-17 | 1994-07-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens barrel with focal length detector |
Also Published As
Publication number | Publication date |
---|---|
GB9511664D0 (en) | 1995-08-02 |
GB2288885A (en) | 1995-11-01 |
GB2288886A (en) | 1995-11-01 |
GB2288885B (en) | 1996-02-07 |
GB9511665D0 (en) | 1995-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20060415 |