GB2422439B - Zoom lens mechanism with cam operation - Google Patents

Zoom lens mechanism with cam operation

Info

Publication number
GB2422439B
GB2422439B GB0501424A GB0501424A GB2422439B GB 2422439 B GB2422439 B GB 2422439B GB 0501424 A GB0501424 A GB 0501424A GB 0501424 A GB0501424 A GB 0501424A GB 2422439 B GB2422439 B GB 2422439B
Authority
GB
United Kingdom
Prior art keywords
zoom lens
lens mechanism
cam operation
cam
zoom
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
GB0501424A
Other versions
GB2422439A (en
GB0501424D0 (en
Inventor
Hui-Lun Hung
Kuo-Wen Chang
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.)
Nucam Corp
Original Assignee
Nucam 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
Application filed by Nucam Corp filed Critical Nucam Corp
Priority to GB0501424A priority Critical patent/GB2422439B/en
Publication of GB0501424D0 publication Critical patent/GB0501424D0/en
Publication of GB2422439A publication Critical patent/GB2422439A/en
Application granted granted Critical
Publication of GB2422439B publication Critical patent/GB2422439B/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)
GB0501424A 2005-01-24 2005-01-24 Zoom lens mechanism with cam operation Expired - Fee Related GB2422439B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0501424A GB2422439B (en) 2005-01-24 2005-01-24 Zoom lens mechanism with cam operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0501424A GB2422439B (en) 2005-01-24 2005-01-24 Zoom lens mechanism with cam operation

Publications (3)

Publication Number Publication Date
GB0501424D0 GB0501424D0 (en) 2005-03-02
GB2422439A GB2422439A (en) 2006-07-26
GB2422439B true GB2422439B (en) 2007-06-27

Family

ID=34259564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0501424A Expired - Fee Related GB2422439B (en) 2005-01-24 2005-01-24 Zoom lens mechanism with cam operation

Country Status (1)

Country Link
GB (1) GB2422439B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7656460B2 (en) 2007-08-21 2010-02-02 Sony Ericsson Mobile Communications Ab Autofocus assembly that adjusts a lens in the optical axis direction by alignment of holes in a spacing ring that receive ball bearings

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10301014A (en) * 1997-04-30 1998-11-13 Casio Comput Co Ltd Focal position adjusting mechanism
US5907439A (en) * 1996-11-11 1999-05-25 Fuji Photo Optical Co Ltd Zoom lens apparatus with shared cam groove
US20020071674A1 (en) * 2000-12-11 2002-06-13 Akio Omiya Zoom finder device
JP2003043332A (en) * 2001-07-27 2003-02-13 Nidec Copal Corp Lens driving device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5907439A (en) * 1996-11-11 1999-05-25 Fuji Photo Optical Co Ltd Zoom lens apparatus with shared cam groove
JPH10301014A (en) * 1997-04-30 1998-11-13 Casio Comput Co Ltd Focal position adjusting mechanism
US20020071674A1 (en) * 2000-12-11 2002-06-13 Akio Omiya Zoom finder device
JP2003043332A (en) * 2001-07-27 2003-02-13 Nidec Copal Corp Lens driving device

Also Published As

Publication number Publication date
GB2422439A (en) 2006-07-26
GB0501424D0 (en) 2005-03-02

Similar Documents

Publication Publication Date Title
EP1792221A4 (en) Movable lens mechanism
EP1804099B8 (en) Lens barrel
GB0513347D0 (en) Lens
GB2432011B (en) Liquid zoom lens
GB2432010B (en) Liquid zoom lens
AP2008004454A0 (en) Variable focus lens
HK1085798A1 (en) Lens barrel
EP1804101A4 (en) Imaging lens
TWI339742B (en) Zoom lens system
EP1898244A4 (en) Imaging lens
GB2420872B (en) Lens barrel
GB2440558B (en) Contact Lens
GB2420869B (en) Lens barrel
EP1860475A4 (en) Imaging lens
HK1085270A1 (en) Lens barrel
DE602006012261D1 (en) lens barrel
HK1085885A2 (en) Camera
EP1870755A4 (en) Lens barrel
GB0522030D0 (en) Variable focus lens
GB2442329B (en) Surveillance camera with lens adjustment mechanism
TWI317820B (en) Zoom lens
GB2420871B (en) Lens barrel
EP1881697A4 (en) Camera
EP1895342A4 (en) Cam drive mechanism, lens barrel, and camera
EP1941319A4 (en) Photochromic lens

Legal Events

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

Effective date: 20160124