GB2344662B - Lens cam mechanism with tapered slot and follower and stopper - Google Patents

Lens cam mechanism with tapered slot and follower and stopper

Info

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
Application number
GB0005104A
Other versions
GB2344662A (en
GB0005104D0 (en
Inventor
Hiroshi Nomura
Kazuyoshi Azegami
Takamitsu Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP03413296A external-priority patent/JP3215793B2/en
Priority claimed from JP03412296A external-priority patent/JP3288918B2/en
Priority claimed from GB9614331A external-priority patent/GB2303222B/en
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority claimed from GB9701431A external-priority patent/GB2309541B/en
Publication of GB0005104D0 publication Critical patent/GB0005104D0/en
Publication of GB2344662A publication Critical patent/GB2344662A/en
Application granted granted Critical
Publication of GB2344662B publication Critical patent/GB2344662B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
GB0005104A 1996-01-26 1997-01-24 Lens cam mechanism with tapered slot and follower and stopper Expired - Fee Related GB2344662B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1231796 1996-01-26
JP03413296A JP3215793B2 (en) 1996-02-21 1996-02-21 Cam structure of lens barrel
JP03412296A JP3288918B2 (en) 1996-02-21 1996-02-21 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
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
US6965733B1 (en) * 2002-08-27 2005-11-15 Pentax Corporation Lens barrel incorporating the cam mechanism
TWI507759B (en) * 2013-11-13 2015-11-11 Tdk Taiwan Corp Lens stopper mechanism

Citations (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
GB2344662A (en) 2000-06-14
GB0005104D0 (en) 2000-04-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080124