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GB2417097B - Cam mechanism of a zoom lens - Google Patents

Cam mechanism of a zoom lens

Info

Publication number
GB2417097B
GB2417097B GB0516645A GB0516645A GB2417097B GB 2417097 B GB2417097 B GB 2417097B GB 0516645 A GB0516645 A GB 0516645A GB 0516645 A GB0516645 A GB 0516645A GB 2417097 B GB2417097 B GB 2417097B
Authority
GB
United Kingdom
Prior art keywords
zoom lens
cam mechanism
cam
zoom
lens
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
GB0516645A
Other versions
GB0516645D0 (en
GB2417097A (en
Inventor
Toshiharu Suzuki
Kazunori Ishizuka
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
Hoya Corp
Original Assignee
Pentax Corp
Hoya Corp
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 JP2004236187A external-priority patent/JP4684597B2/en
Priority claimed from JP2004236186A external-priority patent/JP4628039B2/en
Priority claimed from JP2004253383A external-priority patent/JP4722435B2/en
Application filed by Pentax Corp, Hoya Corp filed Critical Pentax Corp
Publication of GB0516645D0 publication Critical patent/GB0516645D0/en
Publication of GB2417097A publication Critical patent/GB2417097A/en
Application granted granted Critical
Publication of GB2417097B publication Critical patent/GB2417097B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lens Barrels (AREA)
GB0516645A 2004-08-13 2005-08-12 Cam mechanism of a zoom lens Expired - Fee Related GB2417097B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004236187A JP4684597B2 (en) 2004-08-13 2004-08-13 Lens control device
JP2004236186A JP4628039B2 (en) 2004-08-13 2004-08-13 Lens barrel
JP2004253383A JP4722435B2 (en) 2004-08-31 2004-08-31 Zoom lens barrel cam mechanism

Publications (3)

Publication Number Publication Date
GB0516645D0 GB0516645D0 (en) 2005-09-21
GB2417097A GB2417097A (en) 2006-02-15
GB2417097B true GB2417097B (en) 2009-01-28

Family

ID=35098263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0516645A Expired - Fee Related GB2417097B (en) 2004-08-13 2005-08-12 Cam mechanism of a zoom lens

Country Status (2)

Country Link
DE (1) DE102005038279A1 (en)
GB (1) GB2417097B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030081948A1 (en) * 2001-10-31 2003-05-01 Pentax Corporation Lens barrel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030081948A1 (en) * 2001-10-31 2003-05-01 Pentax Corporation Lens barrel

Also Published As

Publication number Publication date
GB0516645D0 (en) 2005-09-21
DE102005038279A1 (en) 2006-02-23
GB2417097A (en) 2006-02-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130812