SG73658A1 - Optical lens and optical pickup and optical disc apparatus using such lens - Google Patents

Optical lens and optical pickup and optical disc apparatus using such lens

Info

Publication number
SG73658A1
SG73658A1 SG1999003312A SG1999003312A SG73658A1 SG 73658 A1 SG73658 A1 SG 73658A1 SG 1999003312 A SG1999003312 A SG 1999003312A SG 1999003312 A SG1999003312 A SG 1999003312A SG 73658 A1 SG73658 A1 SG 73658A1
Authority
SG
Singapore
Prior art keywords
optical
lens
disc apparatus
pickup
optical disc
Prior art date
Application number
SG1999003312A
Other languages
English (en)
Inventor
Takatoshi Yamada
Norio Fukasawa
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 SG73658A1 publication Critical patent/SG73658A1/en

Links

Classifications

    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
SG1999003312A 1998-07-09 1999-07-07 Optical lens and optical pickup and optical disc apparatus using such lens SG73658A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10194287A JP2000030278A (ja) 1998-07-09 1998-07-09 光学レンズとこれを使用した光学ピックアップ及び光ディスク装置

Publications (1)

Publication Number Publication Date
SG73658A1 true SG73658A1 (en) 2000-06-20

Family

ID=16322100

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1999003312A SG73658A1 (en) 1998-07-09 1999-07-07 Optical lens and optical pickup and optical disc apparatus using such lens

Country Status (5)

Country Link
US (1) US6188528B1 (ko)
JP (1) JP2000030278A (ko)
KR (1) KR100656972B1 (ko)
CN (1) CN1192372C (ko)
SG (1) SG73658A1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6850278B1 (en) * 1998-11-27 2005-02-01 Canon Kabushiki Kaisha Solid-state image pickup apparatus
JP4501304B2 (ja) * 2000-03-31 2010-07-14 旭硝子株式会社 対物レンズ及び光学装置
JP2011034673A (ja) * 2000-05-12 2011-02-17 Konica Minolta Holdings Inc 光ピックアップ装置
JP4083955B2 (ja) * 2000-06-12 2008-04-30 パイオニア株式会社 対物レンズ、光ピックアップ装置及び光学式記録再生装置
JP2002062410A (ja) * 2000-08-22 2002-02-28 Sony Corp 光学素子、光学素子の製造方法および光ピックアップ
JP4095283B2 (ja) * 2000-12-06 2008-06-04 キヤノン株式会社 レーザ装置
TW200844986A (en) * 2007-05-08 2008-11-16 Sony Corp Objective lens apparatus, optical pickup device, optical disk driving apparatus, and method of driving objective lens
JP2011108358A (ja) * 2011-03-02 2011-06-02 Konica Minolta Holdings Inc 光ピックアップ装置及び記録装置並びに再生装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8400152A (nl) * 1984-01-18 1984-10-01 Philips Nv Werkwijze voor de vervaardiging van een optisch element, inrichting voor toepassing van de werkwijze en optisch element vervaardigd met de werkwijze.
US5491765A (en) * 1992-12-08 1996-02-13 Olympus Optical Co., Ltd. Light source devices for endoscopes
JPH08334686A (ja) 1995-06-05 1996-12-17 Konica Corp 光情報記録媒体の記録再生用対物レンズ
JPH0954247A (ja) 1995-08-10 1997-02-25 Fuji Photo Optical Co Ltd 光記録媒体読取用レンズ
JPH1082951A (ja) 1996-09-06 1998-03-31 Nikon Corp 対物レンズ系
US5974013A (en) * 1996-11-20 1999-10-26 Sony Corporation Disc reproducing apparatus and head position calculating method
JPH10268117A (ja) * 1997-03-27 1998-10-09 Fuji Photo Optical Co Ltd ピックアップ光学系用対物レンズ

Also Published As

Publication number Publication date
CN1244007A (zh) 2000-02-09
US6188528B1 (en) 2001-02-13
JP2000030278A (ja) 2000-01-28
CN1192372C (zh) 2005-03-09
KR20000011576A (ko) 2000-02-25
KR100656972B1 (ko) 2006-12-15

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