GB2288886B - Zoom lens barrel with focal length detector - Google Patents

Zoom lens barrel with focal length detector

Info

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
Application number
GB9511665A
Other versions
GB9511665D0 (en
GB2288886A (en
Inventor
Hiroshi Nomura
Norio Sato
Nobuaki Aoki
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 JP2485792U external-priority patent/JP2565947Y2/en
Priority claimed from JP1992024860U external-priority patent/JP2600895Y2/en
Priority claimed from JP1992024859U external-priority patent/JP2593855Y2/en
Priority claimed from JP2485892U external-priority patent/JP2565948Y2/en
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority claimed from GB9307764A external-priority patent/GB2266162B/en
Publication of GB9511665D0 publication Critical patent/GB9511665D0/en
Publication of GB2288886A publication Critical patent/GB2288886A/en
Application granted granted Critical
Publication of GB2288886B publication Critical patent/GB2288886B/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
GB9511665A 1992-04-17 1993-04-15 Zoom lens barrel with focal length detector Expired - Fee Related GB2288886B (en)

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
JP1992024860U JP2600895Y2 (en) 1992-04-17 1992-04-17 Brush holding device for 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
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
GB9511665A Expired - Fee Related GB2288886B (en) 1992-04-17 1993-04-15 Zoom lens barrel with focal length detector
GB9511664A Expired - Fee Related GB2288885B (en) 1992-04-17 1993-04-15 Zoom lens barrel with focal length detector

Family Applications After (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) GB2288886B (en)

Citations (1)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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
GB9511665D0 (en) 1995-08-02
GB2288886A (en) 1995-11-01
GB2288885A (en) 1995-11-01
GB2288885B (en) 1996-02-07
GB9511664D0 (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