GB2344662B - Lens cam mechanism with tapered slot and follower and stopper - Google Patents
Lens cam mechanism with tapered slot and follower and stopperInfo
- Publication number
- GB2344662B GB2344662B GB0005104A GB0005104A GB2344662B GB 2344662 B GB2344662 B GB 2344662B GB 0005104 A GB0005104 A GB 0005104A GB 0005104 A GB0005104 A GB 0005104A GB 2344662 B GB2344662 B GB 2344662B
- Authority
- GB
- United Kingdom
- Prior art keywords
- follower
- stopper
- cam mechanism
- tapered slot
- lens cam
- 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
-
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/281—Applying non-metallic protective coatings by means of a preformed insulating foil
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1231796 | 1996-01-26 | ||
JP03412296A JP3288918B2 (en) | 1996-02-21 | 1996-02-21 | Lens barrel |
JP03413296A JP3215793B2 (en) | 1996-02-21 | 1996-02-21 | Cam structure of lens barrel |
GB9614331A GB2303222B (en) | 1995-07-07 | 1996-07-08 | A lens shutter type of zoom lens camera and a method of controlling such a camera |
GB9701431A GB2309541B (en) | 1996-01-26 | 1997-01-24 | Telescoping type of zoom lens and cam mechanism therefor |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0005104D0 GB0005104D0 (en) | 2000-04-26 |
GB2344662A GB2344662A (en) | 2000-06-14 |
GB2344662B true GB2344662B (en) | 2000-07-19 |
Family
ID=27517357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0005104A Expired - Fee Related GB2344662B (en) | 1996-01-26 | 1997-01-24 | Lens cam mechanism with tapered slot and follower and stopper |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2344662B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE42717E1 (en) | 2002-08-27 | 2011-09-20 | Hoya Corporation | Cam mechanism of a photographing lens |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH114371A (en) | 1997-06-12 | 1999-01-06 | Asahi Optical Co Ltd | Digital still camera |
TWI229231B (en) | 2002-02-21 | 2005-03-11 | Pentax Corp | Retractable lens system and method of retracting a retractable lens system |
US6965733B1 (en) * | 2002-08-27 | 2005-11-15 | Pentax Corporation | Lens barrel incorporating the cam mechanism |
US7058293B2 (en) | 2002-08-27 | 2006-06-06 | Pentax Corporation | Optical element retracting mechanism for a retractable lens |
US7027727B2 (en) * | 2002-08-27 | 2006-04-11 | Pentax Corporation | Lens barrel incorporating the cam mechanism |
US7039311B2 (en) | 2002-08-27 | 2006-05-02 | Pentax Corporation | Rotation transfer mechanism and a zoom camera incorporating the rotation transfer mechanism |
US7025512B2 (en) | 2002-08-27 | 2006-04-11 | Pentax Corporation | Retracting mechanism of a retractable lens |
US7043154B2 (en) | 2002-08-27 | 2006-05-09 | Pentax Corporation | Photographing lens having an optical element retracting mechanism |
TWI507759B (en) * | 2013-11-13 | 2015-11-11 | Tdk Taiwan Corp | Lens stopper mechanism |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4707083A (en) * | 1984-09-29 | 1987-11-17 | Canon Kabushiki Kaisha | Lens moving device |
GB2237406A (en) * | 1989-10-27 | 1991-05-01 | Asahi Optical Co Ltd | Zoom lens barrel |
-
1997
- 1997-01-24 GB GB0005104A patent/GB2344662B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4707083A (en) * | 1984-09-29 | 1987-11-17 | Canon Kabushiki Kaisha | Lens moving device |
GB2237406A (en) * | 1989-10-27 | 1991-05-01 | Asahi Optical Co Ltd | Zoom lens barrel |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE42717E1 (en) | 2002-08-27 | 2011-09-20 | Hoya Corporation | Cam mechanism of a photographing lens |
Also Published As
Publication number | Publication date |
---|---|
GB0005104D0 (en) | 2000-04-26 |
GB2344662A (en) | 2000-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080124 |