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GB2289141B - Lens barrel - Google Patents

Lens barrel

Info

Publication number
GB2289141B
GB2289141B GB9511524A GB9511524A GB2289141B GB 2289141 B GB2289141 B GB 2289141B GB 9511524 A GB9511524 A GB 9511524A GB 9511524 A GB9511524 A GB 9511524A GB 2289141 B GB2289141 B GB 2289141B
Authority
GB
United Kingdom
Prior art keywords
lens barrel
barrel
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
GB9511524A
Other versions
GB9511524D0 (en
GB2289141A (en
Inventor
Tadanori Okada
Haruhiko Yamanouchi
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP21710692A external-priority patent/JP3313768B2/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB9511524D0 publication Critical patent/GB9511524D0/en
Publication of GB2289141A publication Critical patent/GB2289141A/en
Application granted granted Critical
Publication of GB2289141B publication Critical patent/GB2289141B/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
    • 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)
GB9511524A 1992-07-23 1993-07-21 Lens barrel Expired - Fee Related GB2289141B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21710692A JP3313768B2 (en) 1992-07-23 1992-07-23 Lens barrel
GB9315124A GB2269240B (en) 1992-07-23 1993-07-21 Lens barrel

Publications (3)

Publication Number Publication Date
GB9511524D0 GB9511524D0 (en) 1995-08-02
GB2289141A GB2289141A (en) 1995-11-08
GB2289141B true GB2289141B (en) 1996-05-08

Family

ID=26303267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9511524A Expired - Fee Related GB2289141B (en) 1992-07-23 1993-07-21 Lens barrel

Country Status (1)

Country Link
GB (1) GB2289141B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354735A (en) * 1970-08-18 1974-06-05 Nippon Kogaku Kk Zoom lens assembly
US4166675A (en) * 1976-10-05 1979-09-04 Nippon Kogaku K.K. Click stop device in a camera lens barrel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354735A (en) * 1970-08-18 1974-06-05 Nippon Kogaku Kk Zoom lens assembly
US4166675A (en) * 1976-10-05 1979-09-04 Nippon Kogaku K.K. Click stop device in a camera lens barrel

Also Published As

Publication number Publication date
GB9511524D0 (en) 1995-08-02
GB2289141A (en) 1995-11-08

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Legal Events

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

Effective date: 20060721