JPS61104338A - 光学的情報記録再生装置 - Google Patents

光学的情報記録再生装置

Info

Publication number
JPS61104338A
JPS61104338A JP22206184A JP22206184A JPS61104338A JP S61104338 A JPS61104338 A JP S61104338A JP 22206184 A JP22206184 A JP 22206184A JP 22206184 A JP22206184 A JP 22206184A JP S61104338 A JPS61104338 A JP S61104338A
Authority
JP
Japan
Prior art keywords
optical
movable
optical system
reproducing device
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.)
Granted
Application number
JP22206184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0524567B2 (enrdf_load_stackoverflow
Inventor
Koji Muraoka
村岡　幸治
Shigeru Nakamura
滋 中村
Takeshi Maeda
武志 前田
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
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 JP22206184A priority Critical patent/JPS61104338A/ja
Publication of JPS61104338A publication Critical patent/JPS61104338A/ja
Publication of JPH0524567B2 publication Critical patent/JPH0524567B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP22206184A 1984-10-24 1984-10-24 光学的情報記録再生装置 Granted JPS61104338A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22206184A JPS61104338A (ja) 1984-10-24 1984-10-24 光学的情報記録再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22206184A JPS61104338A (ja) 1984-10-24 1984-10-24 光学的情報記録再生装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP6042163A Division JP2555865B2 (ja) 1994-03-14 1994-03-14 光学的情報装置

Publications (2)

Publication Number Publication Date
JPS61104338A true JPS61104338A (ja) 1986-05-22
JPH0524567B2 JPH0524567B2 (enrdf_load_stackoverflow) 1993-04-08

Family

ID=16776492

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22206184A Granted JPS61104338A (ja) 1984-10-24 1984-10-24 光学的情報記録再生装置

Country Status (1)

Country Link
JP (1) JPS61104338A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235591A (en) * 1990-01-19 1993-08-10 Hitachi, Ltd. Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium
US5390160A (en) * 1988-05-27 1995-02-14 Canon Kabushiki Kaisha Optical information recording and reproducing apparatus and method for detecting contamination of optical apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5165947A (ja) * 1974-12-04 1976-06-08 Mansei Kogyo Kk Kojikuchoseisochitsukikogakutekijohoyomitorisochi
JPS52123642A (en) * 1976-04-09 1977-10-18 Mitsubishi Electric Corp Optical path adjuster for laser beams
JPS5328201A (en) * 1976-08-30 1978-03-16 Hitachi Ltd Motor
JPS55108942A (en) * 1979-02-13 1980-08-21 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS5971432U (ja) * 1982-11-01 1984-05-15 三菱電機株式会社 光デイスク用光学ヘツド
JPS5994254A (ja) * 1982-11-22 1984-05-30 Asahi Optical Co Ltd 光学的情報読取装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5165947A (ja) * 1974-12-04 1976-06-08 Mansei Kogyo Kk Kojikuchoseisochitsukikogakutekijohoyomitorisochi
JPS52123642A (en) * 1976-04-09 1977-10-18 Mitsubishi Electric Corp Optical path adjuster for laser beams
JPS5328201A (en) * 1976-08-30 1978-03-16 Hitachi Ltd Motor
JPS55108942A (en) * 1979-02-13 1980-08-21 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS5971432U (ja) * 1982-11-01 1984-05-15 三菱電機株式会社 光デイスク用光学ヘツド
JPS5994254A (ja) * 1982-11-22 1984-05-30 Asahi Optical Co Ltd 光学的情報読取装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5390160A (en) * 1988-05-27 1995-02-14 Canon Kabushiki Kaisha Optical information recording and reproducing apparatus and method for detecting contamination of optical apparatus
US5235591A (en) * 1990-01-19 1993-08-10 Hitachi, Ltd. Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium

Also Published As

Publication number Publication date
JPH0524567B2 (enrdf_load_stackoverflow) 1993-04-08

Similar Documents

Publication Publication Date Title
US4667316A (en) Information recording-reproducing apparatus
US4734905A (en) Optical head device
EP0558184B1 (en) An optical head including a beam splitter
JPS61104338A (ja) 光学的情報記録再生装置
JPH01162235A (ja) 光学ヘッド
JP2835778B2 (ja) 光学ヘッドとその調整方法
JP2555865B2 (ja) 光学的情報装置
JPH04121833A (ja) 分離型光学ヘッド
JPH04167236A (ja) 光ディスク装置
JPS61198433A (ja) 光学ヘツド装置
JPH0433550Y2 (enrdf_load_stackoverflow)
JPS5866903A (ja) 光学素子微動機構
JPH04349221A (ja) 光学ヘッド
JPS6350920A (ja) 光軸調整装置付光ヘツド
JP2716631B2 (ja) 光ヘッド
JPH06124476A (ja) 光ヘッド装置
JPH0333934Y2 (enrdf_load_stackoverflow)
JPS6214328A (ja) 光デイスク駆動装置の位置調整機構
JP2592130B2 (ja) 光ピックアップ装置
JPH05159311A (ja) 光ディスク装置
JPH01143026A (ja) フォーカス検出装置
JPS621127A (ja) 光ピツクアツプ装置
JPH02216629A (ja) 光ヘッド装置
JPH01178136A (ja) レンズ支持装置
JPS583141A (ja) 光学ヘツド

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term