[go: up one dir, main page]

GB2398392B - Micro zoom lens system - Google Patents

Micro zoom lens system

Info

Publication number
GB2398392B
GB2398392B GB0413713A GB0413713A GB2398392B GB 2398392 B GB2398392 B GB 2398392B GB 0413713 A GB0413713 A GB 0413713A GB 0413713 A GB0413713 A GB 0413713A GB 2398392 B GB2398392 B GB 2398392B
Authority
GB
United Kingdom
Prior art keywords
zoom lens
lens system
micro zoom
micro
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
GB0413713A
Other versions
GB0413713D0 (en
GB2398392A (en
Inventor
Allan James
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.)
1 Ltd
Original Assignee
1 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
Application filed by 1 Ltd filed Critical 1 Ltd
Publication of GB0413713D0 publication Critical patent/GB0413713D0/en
Publication of GB2398392A publication Critical patent/GB2398392A/en
Application granted granted Critical
Publication of GB2398392B publication Critical patent/GB2398392B/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
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
    • G02B15/1421—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Lens Barrels (AREA)
GB0413713A 2001-12-06 2002-12-05 Micro zoom lens system Expired - Fee Related GB2398392B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0129240.8A GB0129240D0 (en) 2001-12-06 2001-12-06 Micro zoom lens system
PCT/GB2002/005513 WO2003048832A2 (en) 2001-12-06 2002-12-05 Micro zoom lens system

Publications (3)

Publication Number Publication Date
GB0413713D0 GB0413713D0 (en) 2004-07-21
GB2398392A GB2398392A (en) 2004-08-18
GB2398392B true GB2398392B (en) 2005-09-07

Family

ID=9927141

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0129240.8A Ceased GB0129240D0 (en) 2001-12-06 2001-12-06 Micro zoom lens system
GB0413713A Expired - Fee Related GB2398392B (en) 2001-12-06 2002-12-05 Micro zoom lens system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0129240.8A Ceased GB0129240D0 (en) 2001-12-06 2001-12-06 Micro zoom lens system

Country Status (3)

Country Link
AU (1) AU2002347347A1 (en)
GB (2) GB0129240D0 (en)
WO (1) WO2003048832A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005060242A1 (en) * 2003-12-19 2005-06-30 Hysonic Co., Ltd. Image photographing apparatus
GB2421086A (en) * 2004-12-08 2006-06-14 1 Ltd Suspension system with two non parallel hinged linkages for lens
CN111123490B (en) * 2019-12-30 2022-08-16 Oppo广东移动通信有限公司 Zoom lens, imaging module and electronic equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074874B (en) * 1954-02-18 1960-02-04 Long Island N Y Frank Gerard Back Glen Cove (V St A) Variable focal length lens
US5258798A (en) * 1987-02-10 1993-11-02 Minolta Camera Kabushiki Kaisha Camera
EP0579137A2 (en) * 1992-07-15 1994-01-19 Nikon Corporation Image-shake correcting apparatus
US5365296A (en) * 1990-10-30 1994-11-15 Canon Kabushiki Kaisha Motor and an optical apparatus having such motor
DE19927129C1 (en) * 1999-06-15 2001-01-04 Wolf Gmbh Richard Focusing and focal width adjuster for video camera with zoom lens produces time window which is supplied to focusing circuit and zoom control circuit to provide vertical scanning gap of video signal
US20010003464A1 (en) * 1999-12-14 2001-06-14 Minolta Co., Ltd. Digital camera having an electronic zoom function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074874B (en) * 1954-02-18 1960-02-04 Long Island N Y Frank Gerard Back Glen Cove (V St A) Variable focal length lens
US5258798A (en) * 1987-02-10 1993-11-02 Minolta Camera Kabushiki Kaisha Camera
US5365296A (en) * 1990-10-30 1994-11-15 Canon Kabushiki Kaisha Motor and an optical apparatus having such motor
EP0579137A2 (en) * 1992-07-15 1994-01-19 Nikon Corporation Image-shake correcting apparatus
DE19927129C1 (en) * 1999-06-15 2001-01-04 Wolf Gmbh Richard Focusing and focal width adjuster for video camera with zoom lens produces time window which is supplied to focusing circuit and zoom control circuit to provide vertical scanning gap of video signal
US20010003464A1 (en) * 1999-12-14 2001-06-14 Minolta Co., Ltd. Digital camera having an electronic zoom function

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
R Kingslake, Applied Optics and Optical Engineering, 1965, Academic Press, Vol III, pages 34-6 *
WARREN J SMITH:"modern optical engineering",MCGRAW-HILL XP002244765 page 291-page 296 *

Also Published As

Publication number Publication date
GB0413713D0 (en) 2004-07-21
GB0129240D0 (en) 2002-01-23
GB2398392A (en) 2004-08-18
AU2002347347A8 (en) 2003-06-17
AU2002347347A1 (en) 2003-06-17
WO2003048832A2 (en) 2003-06-12
WO2003048832A3 (en) 2003-08-28

Similar Documents

Publication Publication Date Title
AU2002364006A8 (en) Micro-rotocraft surveillance system
AU2002248718A1 (en) Wavefront coding zoom lens imaging systems
AU2002250426A1 (en) Binocular lens systems
EP1265091A3 (en) Zoom lens and camera having the same
GB2371120B (en) Variable focus lens system
GB0506200D0 (en) Surveillance camera assembly
GB0227119D0 (en) Optical magnification system
DE50208461D1 (en) Autofocus microscope system
GB0121370D0 (en) Image fusion systems
GB2372109B (en) High zoom ratio lens
GB2372111B (en) High zoom ratio lens
GB2375870B (en) Environmental cameras
AU2002317875A8 (en) Catadioptrical reduction lens
GB2398392B (en) Micro zoom lens system
AU2002358638A8 (en) Catadioptric reduction lens
IL158521A0 (en) Zoom lens
GB0119369D0 (en) Optic system
GB0119368D0 (en) Optic system
IL141618A0 (en) Improved zoom lens
EP1376188A4 (en) Optical system
GB2401439B (en) Photographing lens
GB0103332D0 (en) Zoom lens on instamatic camera
GB0315073D0 (en) Zoom lens system
GB0105664D0 (en) Imaging optical system
GB0127016D0 (en) Imaging optical system

Legal Events

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

Effective date: 20201205