JP3828740B2 - 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置 - Google Patents

光検出器、光ピックアップ及びそれを用いた光学的情報再生装置 Download PDF

Info

Publication number
JP3828740B2
JP3828740B2 JP2000371484A JP2000371484A JP3828740B2 JP 3828740 B2 JP3828740 B2 JP 3828740B2 JP 2000371484 A JP2000371484 A JP 2000371484A JP 2000371484 A JP2000371484 A JP 2000371484A JP 3828740 B2 JP3828740 B2 JP 3828740B2
Authority
JP
Japan
Prior art keywords
light
light receiving
signal
optical
error signal
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 - Lifetime
Application number
JP2000371484A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001222825A5 (https=
JP2001222825A (ja
Inventor
克彦 泉
邦一 大西
堅一 嶋田
雅之 井上
真治 藤田
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.)
Hitachi Ltd
Hitachi Consumer Electronics Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Media Electronics 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 Hitachi Ltd, Hitachi Media Electronics Co Ltd filed Critical Hitachi Ltd
Priority to JP2000371484A priority Critical patent/JP3828740B2/ja
Publication of JP2001222825A publication Critical patent/JP2001222825A/ja
Publication of JP2001222825A5 publication Critical patent/JP2001222825A5/ja
Application granted granted Critical
Publication of JP3828740B2 publication Critical patent/JP3828740B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Light Receiving Elements (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP2000371484A 1999-12-03 2000-12-01 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置 Expired - Lifetime JP3828740B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000371484A JP3828740B2 (ja) 1999-12-03 2000-12-01 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11-344238 1999-12-03
JP34423899 1999-12-03
JP2000371484A JP3828740B2 (ja) 1999-12-03 2000-12-01 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2005142093A Division JP4945090B2 (ja) 1999-12-03 2005-05-16 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置

Publications (3)

Publication Number Publication Date
JP2001222825A JP2001222825A (ja) 2001-08-17
JP2001222825A5 JP2001222825A5 (https=) 2004-07-22
JP3828740B2 true JP3828740B2 (ja) 2006-10-04

Family

ID=26577724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000371484A Expired - Lifetime JP3828740B2 (ja) 1999-12-03 2000-12-01 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置

Country Status (1)

Country Link
JP (1) JP3828740B2 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040068975A (ko) * 2001-12-24 2004-08-02 코닌클리케 필립스 일렉트로닉스 엔.브이. 이중 3-스폿 광학주사장치
KR100472443B1 (ko) 2002-03-19 2005-02-21 삼성전자주식회사 광픽업 장치
US7376168B2 (en) * 2002-09-02 2008-05-20 Hentze-Lissotschenko Patentverwaltungs Gmbh & Co. Kg Semiconductor laser device
KR100933291B1 (ko) 2003-09-20 2009-12-22 삼성전자주식회사 2파장 레이저 다이오드의 사용을 위한 광검출기
US20090059767A1 (en) * 2005-04-15 2009-03-05 Pioneer Corporation Optical Pick-Up Apparatus and Information Record and Reproduction Apparatus
JP2009043383A (ja) * 2007-08-10 2009-02-26 Sanyo Electric Co Ltd 光ピックアップ装置
TW201021039A (en) * 2008-10-30 2010-06-01 Sanyo Electric Co Optical pickup device and optical disc device equipped with same
JP5397110B2 (ja) * 2009-03-04 2014-01-22 株式会社Jvcケンウッド 光デバイス
JP2012160220A (ja) * 2011-01-28 2012-08-23 Funai Electric Co Ltd 光ピックアップ
JP2012164418A (ja) * 2012-06-04 2012-08-30 Sanyo Electric Co Ltd 光ピックアップ装置

Also Published As

Publication number Publication date
JP2001222825A (ja) 2001-08-17

Similar Documents

Publication Publication Date Title
KR100465264B1 (ko) 광 검출기, 광 픽업 및 그것을 이용한 광학적 정보 재생장치
US6084843A (en) Optical recording and reproducing apparatus and method
JP2002358668A (ja) 光ピックアップ装置及び光スポットの最適集束方法
JP4175092B2 (ja) 光ヘッド装置および光学式情報記録再生装置
JP3575017B2 (ja) 記録再生装置および方法
JP3689296B2 (ja) 光ピックアップ装置
JP3828740B2 (ja) 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置
WO2004097815A1 (ja) 光ヘッド装置及び光学式情報記録再生装置
JP2000030288A (ja) 光ピックアップ素子
JP2005327403A (ja) 光ピックアップ及び光学記録媒体記録再生装置
JP2012053929A (ja) 光ピックアップ
JP2002245660A (ja) 光ピックアップ装置及びそれを用いた光学的情報再生装置
JP2001222825A5 (https=)
JP2010009682A (ja) 光ヘッド装置、光情報処理装置及び信号検出方法
KR100826564B1 (ko) 광 디바이스 및 광픽업 장치
JP4945090B2 (ja) 光検出器、光ピックアップ及びそれを用いた光学的情報再生装置
KR100717017B1 (ko) 광픽업 및 이를 채용한 광 기록 및/또는 재생기기
JP2002197713A (ja) 光学ヘッドおよびそれを用いた光ディスク装置
JP4416228B2 (ja) 光ピックアップおよび、それを用いた光学的情報再生装置
JP2001028145A (ja) 光学ヘッド装置及びディスク録再装置
JP4250865B2 (ja) 光ヘッド、受発光素子、及び光記録媒体記録再生装置
JP4505979B2 (ja) 光ヘッド、受発光素子および光記録媒体記録再生装置
JP4501275B2 (ja) 光ヘッド、受発光素子、及び光記録媒体記録再生装置、ならびにトラック判別信号検出方法
JP2003331437A (ja) 光ヘッドおよび光ディスク装置
JP2005108279A (ja) 光学ヘッドおよび光ディスク装置

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050307

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050315

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050516

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20060512

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20060512

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: 20060704

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20060707

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

Ref document number: 3828740

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

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

Free format text: PAYMENT UNTIL: 20090714

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

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

Free format text: PAYMENT UNTIL: 20090714

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

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

Free format text: PAYMENT UNTIL: 20090714

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20100714

Year of fee payment: 4

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

Free format text: PAYMENT UNTIL: 20110714

Year of fee payment: 5

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

Free format text: PAYMENT UNTIL: 20110714

Year of fee payment: 5

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

Free format text: PAYMENT UNTIL: 20120714

Year of fee payment: 6

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

Free format text: PAYMENT UNTIL: 20130714

Year of fee payment: 7

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term