JP4250865B2 - 光ヘッド、受発光素子、及び光記録媒体記録再生装置 - Google Patents

光ヘッド、受発光素子、及び光記録媒体記録再生装置 Download PDF

Info

Publication number
JP4250865B2
JP4250865B2 JP2000387185A JP2000387185A JP4250865B2 JP 4250865 B2 JP4250865 B2 JP 4250865B2 JP 2000387185 A JP2000387185 A JP 2000387185A JP 2000387185 A JP2000387185 A JP 2000387185A JP 4250865 B2 JP4250865 B2 JP 4250865B2
Authority
JP
Japan
Prior art keywords
light
optical
signal
recording medium
receiving
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
JP2000387185A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002190124A (ja
JP2002190124A5 (enExample
Inventor
紀彰 西
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.)
Sony Corp
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
Priority to JP2000387185A priority Critical patent/JP4250865B2/ja
Publication of JP2002190124A publication Critical patent/JP2002190124A/ja
Publication of JP2002190124A5 publication Critical patent/JP2002190124A5/ja
Application granted granted Critical
Publication of JP4250865B2 publication Critical patent/JP4250865B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2000387185A 2000-12-20 2000-12-20 光ヘッド、受発光素子、及び光記録媒体記録再生装置 Expired - Fee Related JP4250865B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000387185A JP4250865B2 (ja) 2000-12-20 2000-12-20 光ヘッド、受発光素子、及び光記録媒体記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000387185A JP4250865B2 (ja) 2000-12-20 2000-12-20 光ヘッド、受発光素子、及び光記録媒体記録再生装置

Publications (3)

Publication Number Publication Date
JP2002190124A JP2002190124A (ja) 2002-07-05
JP2002190124A5 JP2002190124A5 (enExample) 2008-01-10
JP4250865B2 true JP4250865B2 (ja) 2009-04-08

Family

ID=18854170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000387185A Expired - Fee Related JP4250865B2 (ja) 2000-12-20 2000-12-20 光ヘッド、受発光素子、及び光記録媒体記録再生装置

Country Status (1)

Country Link
JP (1) JP4250865B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014203526A1 (ja) 2013-06-19 2014-12-24 パナソニックＩｐマネジメント株式会社 光情報装置及び情報処理装置

Also Published As

Publication number Publication date
JP2002190124A (ja) 2002-07-05

Similar Documents

Publication Publication Date Title
US7558170B2 (en) Optical pick-up head, optical information apparatus, and optical information reproducing method
JP3200171B2 (ja) 光ディスクプレーヤ
KR100524986B1 (ko) 광픽업 및 이를 채용한 광 기록 및/또는 재생기기
JPH10320814A (ja) 光ピックアップ装置
JP2002092932A (ja) 光ヘッド、受発光素子、及び光記録媒体記録再生装置
KR100341335B1 (ko) 광디스크 플레이어 및 그 기록 또는 재생방법
JP4175092B2 (ja) 光ヘッド装置および光学式情報記録再生装置
US6700842B1 (en) Optical head, photodetector, optical information recording and reproducing apparatus and focus error detecting method
JPH10188320A (ja) 光ディスク記録再生装置および方法
JP4250865B2 (ja) 光ヘッド、受発光素子、及び光記録媒体記録再生装置
JP4023365B2 (ja) 記録及び／又は再生装置、光学ヘッド、トラック誤差信号検出方法
JP2002197713A (ja) 光学ヘッドおよびそれを用いた光ディスク装置
JP3787099B2 (ja) 焦点誤差検出装置
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
JP2003317308A (ja) 光学ヘッド及び光ディスク装置
JP4380055B2 (ja) 光ヘッド、光検出素子、及び光記録媒体記録再生装置
JP2002175640A (ja) 光ヘッド、受発光素子および光記録媒体記録再生装置
JP2002208166A (ja) 光ピックアップ装置及び光学ディスク装置
JP2002157757A (ja) 光ヘッド、受発光素子、及び光記録媒体記録再生装置
JP2005108279A (ja) 光学ヘッドおよび光ディスク装置
JP2002056568A (ja) 光学ピックアップ装置、光記録媒体記録再生装置及びトラック判別信号検出方法
JPH07296397A (ja) トラックエラー検出装置
JPH09251658A (ja) 光学ピックアップ
JP2003006917A (ja) 光情報の検出方法、光情報検出用光学装置及び光情報記録再生装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071116

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20071116

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080829

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081014

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081128

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: 20081224

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090106

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

Free format text: PAYMENT UNTIL: 20120130

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees