JPH0739051Y2 - 光学ヘッドの調整機構 - Google Patents

光学ヘッドの調整機構

Info

Publication number
JPH0739051Y2
JPH0739051Y2 JP1988081257U JP8125788U JPH0739051Y2 JP H0739051 Y2 JPH0739051 Y2 JP H0739051Y2 JP 1988081257 U JP1988081257 U JP 1988081257U JP 8125788 U JP8125788 U JP 8125788U JP H0739051 Y2 JPH0739051 Y2 JP H0739051Y2
Authority
JP
Japan
Prior art keywords
optical axis
lens
diffraction grating
objective lens
reflecting
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
JP1988081257U
Other languages
English (en)
Japanese (ja)
Other versions
JPH025113U (US07122547-20061017-C00273.png
Inventor
捷三 阿部
清 松井
正利 寺尾
和充 佐分利
桂 小宮山
武憲 相川
徹人 山川
朗 漆川
栄樹 松尾
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.)
Kyocera Corp
Original Assignee
Kyocera 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 Kyocera Corp filed Critical Kyocera Corp
Priority to JP1988081257U priority Critical patent/JPH0739051Y2/ja
Publication of JPH025113U publication Critical patent/JPH025113U/ja
Application granted granted Critical
Publication of JPH0739051Y2 publication Critical patent/JPH0739051Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP1988081257U 1988-06-20 1988-06-20 光学ヘッドの調整機構 Expired - Lifetime JPH0739051Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988081257U JPH0739051Y2 (ja) 1988-06-20 1988-06-20 光学ヘッドの調整機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988081257U JPH0739051Y2 (ja) 1988-06-20 1988-06-20 光学ヘッドの調整機構

Publications (2)

Publication Number Publication Date
JPH025113U JPH025113U (US07122547-20061017-C00273.png) 1990-01-12
JPH0739051Y2 true JPH0739051Y2 (ja) 1995-09-06

Family

ID=31306044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988081257U Expired - Lifetime JPH0739051Y2 (ja) 1988-06-20 1988-06-20 光学ヘッドの調整機構

Country Status (1)

Country Link
JP (1) JPH0739051Y2 (US07122547-20061017-C00273.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210048566A1 (en) * 2018-06-14 2021-02-18 Panasonic Intellectual Property Management Co., Ltd. Object detection device and photodetector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004227657A (ja) 2003-01-22 2004-08-12 Sharp Corp 光ピックアップ装置および光ディスク装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313905A (en) * 1976-07-24 1978-02-08 Mansei Kogyo Kk Optical information reader
JPS5817550A (ja) * 1981-07-24 1983-02-01 Toshiba Corp 光学ヘツドの調整機構

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313905A (en) * 1976-07-24 1978-02-08 Mansei Kogyo Kk Optical information reader
JPS5817550A (ja) * 1981-07-24 1983-02-01 Toshiba Corp 光学ヘツドの調整機構

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210048566A1 (en) * 2018-06-14 2021-02-18 Panasonic Intellectual Property Management Co., Ltd. Object detection device and photodetector

Also Published As

Publication number Publication date
JPH025113U (US07122547-20061017-C00273.png) 1990-01-12

Similar Documents

Publication Publication Date Title
US4621351A (en) Beam alignment system
US4571712A (en) Beam alignment signal processing
US4644516A (en) Optical head
JP2000171346A (ja) 収差検出装置および光ピックアップ装置
JPH02216626A (ja) 光学式走査装置
US5322993A (en) Tilt-error detector
JPS60124035A (ja) 光ヘッド装置
JPH0739051Y2 (ja) 光学ヘッドの調整機構
JP2604353B2 (ja) 光ピツクアツプ用スポツト位置エラー検出系
JP2618868B2 (ja) 光学ヘツドユニット
JPH01319138A (ja) 光学ヘッド
JPH0731373Y2 (ja) 光学式ピツクアツプ装置
JPH082814Y2 (ja) 光学式ピツクアツプ装置
JPH04329Y2 (US07122547-20061017-C00273.png)
JP2794114B2 (ja) 光学式情報再生装置
JPS6292144A (ja) 複数光スポツトを持つ光学的記録再生装置
JPS61258339A (ja) 光学的記録再生装置
JP2732633B2 (ja) 光情報処理装置
JPH079208Y2 (ja) 光ピックアップの対物レンズ位置検出装置
JP2946998B2 (ja) 光ヘッド装置
JP2560797Y2 (ja) 光ヘッド装置
JPH076405A (ja) 光学的情報記録再生装置
JPH03269834A (ja) 光学ヘッド装置
JPH0777029B2 (ja) 光ヘッドの組立調整方法およびその装置
JPS6224859B2 (US07122547-20061017-C00273.png)