JPS6132733B2 - - Google Patents

Info

Publication number
JPS6132733B2
JPS6132733B2 JP50022880A JP2288075A JPS6132733B2 JP S6132733 B2 JPS6132733 B2 JP S6132733B2 JP 50022880 A JP50022880 A JP 50022880A JP 2288075 A JP2288075 A JP 2288075A JP S6132733 B2 JPS6132733 B2 JP S6132733B2
Authority
JP
Japan
Prior art keywords
track
semiconductor laser
optical head
information
information track
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
Application number
JP50022880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5198002A (enrdf_load_stackoverflow
Inventor
Yoshito Tsunoda
Yasutsugu Takeda
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Priority to JP50022880A priority Critical patent/JPS6132733B2/ja
Publication of JPS5198002A publication Critical patent/JPS5198002A/ja
Publication of JPS6132733B2 publication Critical patent/JPS6132733B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP50022880A 1975-02-26 1975-02-26 Expired JPS6132733B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50022880A JPS6132733B2 (enrdf_load_stackoverflow) 1975-02-26 1975-02-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50022880A JPS6132733B2 (enrdf_load_stackoverflow) 1975-02-26 1975-02-26

Publications (2)

Publication Number Publication Date
JPS5198002A JPS5198002A (enrdf_load_stackoverflow) 1976-08-28
JPS6132733B2 true JPS6132733B2 (enrdf_load_stackoverflow) 1986-07-29

Family

ID=12094995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50022880A Expired JPS6132733B2 (enrdf_load_stackoverflow) 1975-02-26 1975-02-26

Country Status (1)

Country Link
JP (1) JPS6132733B2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5584053A (en) * 1978-12-18 1980-06-24 Matsushita Electric Ind Co Ltd Tracking control unit for optical reproducer

Also Published As

Publication number Publication date
JPS5198002A (enrdf_load_stackoverflow) 1976-08-28

Similar Documents

Publication Publication Date Title
JPS6292148A (ja) 光磁気記録再生装置
US4684797A (en) Optical system and method for reducing vibration of an objective lens in an optical head assembly of an optical read/write system
US4815058A (en) Optical information processing apparatus
EP0259913B1 (en) Driving signal for coarse servo employing sampled offset signal
US4977552A (en) Split type optical pick-up device with a tracking error detector on the moving part
KR940011230B1 (ko) 다단식 트래킹 시스템
JPS623441A (ja) 光学式記録再生装置
JPS6132733B2 (enrdf_load_stackoverflow)
JPS6120058B2 (enrdf_load_stackoverflow)
JPH0457223A (ja) 光記録／再生装置
JPH07302429A (ja) トラッキング制御装置及びそれを含む光ピックアップ装置
JPS6158886B2 (enrdf_load_stackoverflow)
JP2795233B2 (ja) 光ヘッド装置
SU1065877A1 (ru) Устройство записи и воспроизведени
JPH0719377B2 (ja) 光ディスクのアクセス―トラッキング用微動―粗動サーボシステム
JPH0354738A (ja) 光記録再生装置
JPH06504869A (ja) 光学式走査装置
JPH0547901B2 (enrdf_load_stackoverflow)
JPS6282518A (ja) 光テ−プ装置
JPS62112246A (ja) ピツクアツプ装置
JPS63282930A (ja) 情報処理装置
JPH05189797A (ja) 光ピックアップ装置
JPS59207439A (ja) 光デイスクシステムにおけるビ−ムアクセス装置
JPH05205292A (ja) 光学式記録再生装置
JPS61267945A (ja) 光学ヘツド