JP4491763B2 - 光ヘッド装置 - Google Patents

光ヘッド装置 Download PDF

Info

Publication number
JP4491763B2
JP4491763B2 JP2000326858A JP2000326858A JP4491763B2 JP 4491763 B2 JP4491763 B2 JP 4491763B2 JP 2000326858 A JP2000326858 A JP 2000326858A JP 2000326858 A JP2000326858 A JP 2000326858A JP 4491763 B2 JP4491763 B2 JP 4491763B2
Authority
JP
Japan
Prior art keywords
recording medium
shaped recording
light
disk
disc
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
JP2000326858A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001195749A (ja
JP2001195749A5 (enExample
Inventor
拓也 和田
秀樹 愛甲
修 水野
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 JP2000326858A priority Critical patent/JP4491763B2/ja
Publication of JP2001195749A publication Critical patent/JP2001195749A/ja
Publication of JP2001195749A5 publication Critical patent/JP2001195749A5/ja
Application granted granted Critical
Publication of JP4491763B2 publication Critical patent/JP4491763B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2000326858A 1999-10-28 2000-10-26 光ヘッド装置 Expired - Fee Related JP4491763B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000326858A JP4491763B2 (ja) 1999-10-28 2000-10-26 光ヘッド装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11-306673 1999-10-28
JP30667399 1999-10-28
JP2000326858A JP4491763B2 (ja) 1999-10-28 2000-10-26 光ヘッド装置

Publications (3)

Publication Number Publication Date
JP2001195749A JP2001195749A (ja) 2001-07-19
JP2001195749A5 JP2001195749A5 (enExample) 2007-10-11
JP4491763B2 true JP4491763B2 (ja) 2010-06-30

Family

ID=26564821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000326858A Expired - Fee Related JP4491763B2 (ja) 1999-10-28 2000-10-26 光ヘッド装置

Country Status (1)

Country Link
JP (1) JP4491763B2 (enExample)

Also Published As

Publication number Publication date
JP2001195749A (ja) 2001-07-19

Similar Documents

Publication Publication Date Title
KR20000047946A (ko) 수차 검출 장치 및 광 픽업 장치
JPH0822630A (ja) マルチビーム光ヘッド
JPH0262734A (ja) 分離形光ヘッド
JP4491763B2 (ja) 光ヘッド装置
JPH07129966A (ja) マルチビーム光ヘッド
JPH09297927A (ja) 光ピックアップ装置
EP1351227B1 (en) Optical pickup and optical disc drive
JP2501875B2 (ja) 光ピックアップ装置
JPH06302005A (ja) 光学ヘッド装置
JP2884960B2 (ja) 光学ヘッドおよびそれを用いた光学的情報装置
JP3689232B2 (ja) 光情報記録再生ヘッド
JPH10208273A (ja) 光ピックアップ装置
JPH1116186A (ja) 光ピックアップ装置
JPS6245614B2 (enExample)
JP3163939B2 (ja) 光ピックアップ
US7486592B2 (en) Optical head having dual optical paths
JP3692729B2 (ja) 光ディスク装置
JPH0434731A (ja) 光学ヘッド
JP3766524B2 (ja) 光情報記録再生ヘッドの光学系
JP3088598B2 (ja) 光学ヘッド
JPS6168734A (ja) 光学式ピツクアツプ装置におけるレンズ光軸調節方法
JPH11120593A (ja) 光記録再生装置
JPH01307930A (ja) 光学的記録再生装置の浮動型ヘッド
JPS62205546A (ja) 光学ヘツド
JP2000011432A (ja) 光ピックアップ装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070726

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070824

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090707

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090811

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090928

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20090928

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: 20100302

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: 20100325

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

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

Free format text: PAYMENT UNTIL: 20130416

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees