JP5214556B2 - 光学ヘッド装置及び記録／再生装置 - Google Patents

光学ヘッド装置及び記録／再生装置 Download PDF

Info

Publication number
JP5214556B2
JP5214556B2 JP2009180287A JP2009180287A JP5214556B2 JP 5214556 B2 JP5214556 B2 JP 5214556B2 JP 2009180287 A JP2009180287 A JP 2009180287A JP 2009180287 A JP2009180287 A JP 2009180287A JP 5214556 B2 JP5214556 B2 JP 5214556B2
Authority
JP
Japan
Prior art keywords
light beam
objective lens
optical
transmittance
information recording
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
JP2009180287A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010061781A (ja
JP2010061781A5 (enExample
Inventor
栄信 森
文朝 山崎
慶明 金馬
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2009180287A priority Critical patent/JP5214556B2/ja
Publication of JP2010061781A publication Critical patent/JP2010061781A/ja
Publication of JP2010061781A5 publication Critical patent/JP2010061781A5/ja
Application granted granted Critical
Publication of JP5214556B2 publication Critical patent/JP5214556B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • 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
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
JP2009180287A 2008-08-06 2009-08-03 光学ヘッド装置及び記録／再生装置 Expired - Fee Related JP5214556B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009180287A JP5214556B2 (ja) 2008-08-06 2009-08-03 光学ヘッド装置及び記録／再生装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008202831 2008-08-06
JP2008202831 2008-08-06
JP2009180287A JP5214556B2 (ja) 2008-08-06 2009-08-03 光学ヘッド装置及び記録／再生装置

Publications (3)

Publication Number Publication Date
JP2010061781A JP2010061781A (ja) 2010-03-18
JP2010061781A5 JP2010061781A5 (enExample) 2012-07-05
JP5214556B2 true JP5214556B2 (ja) 2013-06-19

Family

ID=41652847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009180287A Expired - Fee Related JP5214556B2 (ja) 2008-08-06 2009-08-03 光学ヘッド装置及び記録／再生装置

Country Status (2)

Country Link
US (1) US8036093B2 (enExample)
JP (1) JP5214556B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012046659A1 (ja) * 2010-10-04 2012-04-12 三洋電機株式会社 光ピックアップ装置
KR101289071B1 (ko) * 2011-05-06 2013-07-22 도시바삼성스토리지테크놀러지코리아 주식회사 광픽업 및 이를 적용한 광정보저장매체 시스템
JP2013093083A (ja) 2011-10-27 2013-05-16 Sanyo Electric Co Ltd 光ピックアップ装置
US10146055B2 (en) 2013-09-06 2018-12-04 3M Innovative Properties Company Head mounted display with eye tracking

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003121604A (ja) * 2001-10-12 2003-04-23 Konica Corp 光学レンズ部品
JP4172180B2 (ja) * 2002-01-31 2008-10-29 コニカミノルタホールディングス株式会社 光学レンズおよび光情報記録再生装置
US7245407B2 (en) * 2002-06-10 2007-07-17 Matsushita Electric Industrial Co., Ltd. Complex objective lens compatible with information media of different thicknesses
JP4362713B2 (ja) * 2004-03-15 2009-11-11 コニカミノルタオプト株式会社 光学素子及びその製造方法
JP2007293940A (ja) * 2006-04-21 2007-11-08 Matsushita Electric Ind Co Ltd 光ピックアップ装置および光ディスク装置
WO2008001636A1 (en) 2006-06-26 2008-01-03 Asahi Glass Co., Ltd. Optical component for laser beam
JP5037516B2 (ja) * 2006-10-10 2012-09-26 パナソニック株式会社 光ピックアップ装置、光情報装置、コンピュータ、光ディスクプレーヤ、カーナビゲーションシステム、光ディスクレコーダ及び光ディスクサーバ

Also Published As

Publication number Publication date
US8036093B2 (en) 2011-10-11
JP2010061781A (ja) 2010-03-18
US20100034073A1 (en) 2010-02-11

Similar Documents

Publication Publication Date Title
CN101911192B (zh) 光学头、光盘装置及信息处理装置
JP2005209299A (ja) 光ピックアップおよび記録再生装置
JP5214556B2 (ja) 光学ヘッド装置及び記録／再生装置
JPWO2008149522A1 (ja) 光学ヘッド装置、及び記録及び／又は再生装置
JP3972959B2 (ja) 光ピックアップ装置
JP4363251B2 (ja) 光ピックアップおよび光ディスク装置
JP4573117B2 (ja) 光ピックアップ装置
WO2007010770A1 (ja) 光ピックアップ装置及び光情報記録媒体の記録・再生装置
JPWO2011033786A1 (ja) 光ピックアップ光学系
JP3972958B2 (ja) 光ピックアップ装置
JP5083621B2 (ja) 対物レンズ及び光ピックアップ装置
JP2009116937A (ja) ピックアップ装置等
JP4348223B2 (ja) 光ヘッド及び光ディスクドライブ装置
JP4568612B2 (ja) 光ヘッドおよび光ディスクドライブ装置
JP2005353259A (ja) 光ピックアップ、光ディスク装置及び光学倍率調整方法
US20060164953A1 (en) Optical pickup which is compatible with multiple types of media
JP4271515B2 (ja) 光ピックアップ及びこれを用いる光情報処理装置
JP4448165B2 (ja) 光ピックアップ装置及び情報記録再生装置
JP4797650B2 (ja) 光ピックアップ装置
JP2008257797A (ja) 光ピックアップ装置及び光ディスク装置
JP2008130196A (ja) 光ピックアップ装置及びそれを用いた光ディスク装置
JP2007242116A (ja) 光ピックアップ装置
JP2010152976A (ja) 光ピックアップ装置用の光学素子及び光ピックアップ装置
JP2007035114A (ja) 偏光分離素子と光ピックアップ装置
JP2005108350A (ja) 光ピックアップ装置、光ピックアップ装置の調整方法及び光情報記録再生装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120523

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120523

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20121115

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121120

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130116

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130205

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130227

R150 Certificate of patent or registration of utility model

Ref document number: 5214556

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20160308

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees