TW200641865A - Optical pickup and optical disk device - Google Patents

Optical pickup and optical disk device

Info

Publication number
TW200641865A
TW200641865A TW095107262A TW95107262A TW200641865A TW 200641865 A TW200641865 A TW 200641865A TW 095107262 A TW095107262 A TW 095107262A TW 95107262 A TW95107262 A TW 95107262A TW 200641865 A TW200641865 A TW 200641865A
Authority
TW
Taiwan
Prior art keywords
collimator lens
distance
optical
disk device
optical disk
Prior art date
Application number
TW095107262A
Other languages
English (en)
Other versions
TWI308748B (zh
Inventor
Toru Hama
Nobuhiko Ando
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of TW200641865A publication Critical patent/TW200641865A/zh
Application granted granted Critical
Publication of TWI308748B publication Critical patent/TWI308748B/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optical Head (AREA)
TW095107262A 2005-03-16 2006-03-03 Optical pickup and optical disk device TW200641865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005074580A JP2006260640A (ja) 2005-03-16 2005-03-16 光ピックアップおよび光ディスク装置

Publications (2)

Publication Number Publication Date
TW200641865A true TW200641865A (en) 2006-12-01
TWI308748B TWI308748B (zh) 2009-04-11

Family

ID=37002814

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095107262A TW200641865A (en) 2005-03-16 2006-03-03 Optical pickup and optical disk device

Country Status (5)

Country Link
US (1) US7447136B2 (zh)
JP (1) JP2006260640A (zh)
KR (1) KR20060100208A (zh)
CN (1) CN1835104A (zh)
TW (1) TW200641865A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113039603B (zh) * 2018-11-30 2023-04-07 松下知识产权经营株式会社 物镜、光学头设备、光学信息设备和光盘系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615200A (en) * 1992-09-10 1997-03-25 Kabushiki Kaisha Toshiba Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head
JPH11110774A (ja) 1997-10-02 1999-04-23 Matsushita Electric Ind Co Ltd 光ピックアップ
JP2000353333A (ja) 1999-06-10 2000-12-19 Sony Corp 光ピックアップ装置及び光学ディスク装置
JP2003167187A (ja) * 2001-06-20 2003-06-13 Konica Corp 対物レンズ、光ピックアップ装置及び記録・再生装置
US7206277B2 (en) * 2001-07-27 2007-04-17 Pioneer Corporation Optical pickup device and focal error detecting device therefor and wave aberration and focal error detecting device therefor
JP2004071081A (ja) 2002-08-08 2004-03-04 Sony Corp 光ピックアップ及びディスクドライブ装置
JP2004164825A (ja) 2002-10-25 2004-06-10 Konica Minolta Holdings Inc 光ピックアップ装置
EP1713067A4 (en) 2004-02-03 2008-12-24 Asahi Glass Co Ltd LIQUID CRYSTAL OBJECTIVE ELEMENT AND OPTICAL HEAD DEVICE

Also Published As

Publication number Publication date
KR20060100208A (ko) 2006-09-20
TWI308748B (zh) 2009-04-11
CN1835104A (zh) 2006-09-20
US20060245082A1 (en) 2006-11-02
JP2006260640A (ja) 2006-09-28
US7447136B2 (en) 2008-11-04

Similar Documents

Publication Publication Date Title
TW200636295A (en) Optical lens, optical module having the same, and backlight assembly having the same
WO2008108011A1 (ja) 撮像レンズ
WO2008036883A3 (en) Lenses, optical sources, and their couplings
TW200802185A (en) Optics for an extended depth of field
SI1715245T1 (sl) Osvetljevalni modul za motorna vozila, ki oddaja svetlobni snop z ostro mejo
ATE481600T1 (de) Led-anzeigevorrichtung
JP2012141522A5 (zh)
EP2331865B1 (en) Led traffic signal and optical element therefor
EP3779564A3 (en) Miniature telephoto lens assembly
WO2011163493A3 (en) Imaging device with focused illumination
JP2014044372A5 (zh)
EP2284577A3 (de) Optisches Bauelement und Beleuchtungsvorrichtung
WO2011061550A3 (en) Intraocular lens with fresnel prism
WO2008108204A1 (ja) 投影光学系
TW200714919A (en) Single focus lens
EP2058834A4 (en) SPHERICAL ABERRATION CORRECTION MODIFICATION TYPE LENS, SPHERICAL ABERRATION CORRECTION LENS SYSTEM, ELECTRONIC SPECTROSCOPY DEVICE, AND OPTICAL ELECTRON MICROSCOPE
WO2009082171A3 (en) Optical member
WO2013121765A8 (en) Illumination device and projector
TW200641864A (en) Objective lens, optical pickup apparatus and optical information recording and/or reproducing apparatus
WO2012032465A3 (en) Improved mixing optical zoom system with moving gate and gobo
WO2007054938A3 (en) Optics for an extended depth of field
TW200714921A (en) Single focus lens
TW200641865A (en) Optical pickup and optical disk device
TW200703297A (en) Objective optical element for optical pickup device, optical element for optical pickup device, objective optical element unit for optical pickup device and optical pickup device
CN103511983B (zh) 一种led准直光学器件

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees