WO2009066444A1 - Lens module - Google Patents

Lens module Download PDF

Info

Publication number
WO2009066444A1
WO2009066444A1 PCT/JP2008/003370 JP2008003370W WO2009066444A1 WO 2009066444 A1 WO2009066444 A1 WO 2009066444A1 JP 2008003370 W JP2008003370 W JP 2008003370W WO 2009066444 A1 WO2009066444 A1 WO 2009066444A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnet
electrical
conversion element
mechanical conversion
lens holder
Prior art date
Application number
PCT/JP2008/003370
Other languages
French (fr)
Japanese (ja)
Inventor
Koichi Okamoto
Atsushi Sasaki
Yukio Nishimiya
Syuji Aisawa
Daisuke Yamazaki
Miho Chiba
Original Assignee
Nec Tokin Corporation
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 JP2007328686A external-priority patent/JP2011043526A/en
Application filed by Nec Tokin Corporation filed Critical Nec Tokin Corporation
Publication of WO2009066444A1 publication Critical patent/WO2009066444A1/en

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
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

A lens module has a stationary member, an electrical-mechanical conversion element fixed to the stationary member so as to be extendible and retactable in a predetermined direction, a magnet fixed to the electrical-mechanical conversion element so as to be displaceable in the predetermined direction in association with the extension and retraction of the electrical-mechanical conversion element, a lens holder, an optical lens held by the lens holder, and a mobile body provided to a part of the lens holder and made from a material capable of being attracted to the magnet. The magnet has a columnar shape. The mobile body has a shape capable of being attracted to the magnet so as to be in line contact or surface contact with the outer periphery of the magnet at two or more places and is adapted to move on the circumferential surface of the magnet in the direction of the height of the magnet.
PCT/JP2008/003370 2007-11-19 2008-11-18 Lens module WO2009066444A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007-299160 2007-11-19
JP2007299160 2007-11-19
JP2007-328686 2007-12-20
JP2007328686A JP2011043526A (en) 2007-12-20 2007-12-20 Lens module
PCT/JP2008/001333 WO2009081507A1 (en) 2007-12-20 2008-05-28 Lens module
JPPCT/JP2008/001333 2008-05-28

Publications (1)

Publication Number Publication Date
WO2009066444A1 true WO2009066444A1 (en) 2009-05-28

Family

ID=40667278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003370 WO2009066444A1 (en) 2007-11-19 2008-11-18 Lens module

Country Status (1)

Country Link
WO (1) WO2009066444A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006129625A (en) * 2004-10-29 2006-05-18 Konica Minolta Opto Inc Drive unit
JP2006189648A (en) * 2005-01-06 2006-07-20 Fuji Photo Film Co Ltd Camera
JP2006191730A (en) * 2005-01-05 2006-07-20 Nidec Copal Corp Drive unit and lens drive unit
JP2007049878A (en) * 2005-08-12 2007-02-22 Fujinon Corp Actuator
JP2007074829A (en) * 2005-09-07 2007-03-22 Konica Minolta Opto Inc Vibration actuator
JP2007193102A (en) * 2006-01-19 2007-08-02 Casio Hitachi Mobile Communications Co Ltd Imaging apparatus and program

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006129625A (en) * 2004-10-29 2006-05-18 Konica Minolta Opto Inc Drive unit
JP2006191730A (en) * 2005-01-05 2006-07-20 Nidec Copal Corp Drive unit and lens drive unit
JP2006189648A (en) * 2005-01-06 2006-07-20 Fuji Photo Film Co Ltd Camera
JP2007049878A (en) * 2005-08-12 2007-02-22 Fujinon Corp Actuator
JP2007074829A (en) * 2005-09-07 2007-03-22 Konica Minolta Opto Inc Vibration actuator
JP2007193102A (en) * 2006-01-19 2007-08-02 Casio Hitachi Mobile Communications Co Ltd Imaging apparatus and program

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