JPH082814Y2 - 光学式ピツクアツプ装置 - Google Patents

光学式ピツクアツプ装置

Info

Publication number
JPH082814Y2
JPH082814Y2 JP1986028632U JP2863286U JPH082814Y2 JP H082814 Y2 JPH082814 Y2 JP H082814Y2 JP 1986028632 U JP1986028632 U JP 1986028632U JP 2863286 U JP2863286 U JP 2863286U JP H082814 Y2 JPH082814 Y2 JP H082814Y2
Authority
JP
Japan
Prior art keywords
light
light receiving
receiving element
optical
base
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
JP1986028632U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62142724U (US20110009641A1-20110113-C00273.png
Inventor
聡 杉浦
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Priority to JP1986028632U priority Critical patent/JPH082814Y2/ja
Publication of JPS62142724U publication Critical patent/JPS62142724U/ja
Application granted granted Critical
Publication of JPH082814Y2 publication Critical patent/JPH082814Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP1986028632U 1986-02-28 1986-02-28 光学式ピツクアツプ装置 Expired - Lifetime JPH082814Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986028632U JPH082814Y2 (ja) 1986-02-28 1986-02-28 光学式ピツクアツプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986028632U JPH082814Y2 (ja) 1986-02-28 1986-02-28 光学式ピツクアツプ装置

Publications (2)

Publication Number Publication Date
JPS62142724U JPS62142724U (US20110009641A1-20110113-C00273.png) 1987-09-09
JPH082814Y2 true JPH082814Y2 (ja) 1996-01-29

Family

ID=30831778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986028632U Expired - Lifetime JPH082814Y2 (ja) 1986-02-28 1986-02-28 光学式ピツクアツプ装置

Country Status (1)

Country Link
JP (1) JPH082814Y2 (US20110009641A1-20110113-C00273.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040538A (ja) * 1983-08-15 1985-03-02 Toshiba Corp 光学的情報読取装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040538A (ja) * 1983-08-15 1985-03-02 Toshiba Corp 光学的情報読取装置

Also Published As

Publication number Publication date
JPS62142724U (US20110009641A1-20110113-C00273.png) 1987-09-09

Similar Documents

Publication Publication Date Title
US4447722A (en) Optical information reading device
US4767921A (en) Optical pickup device wherein the astigmatic converged beam spot is aligned along the dividing lines of the four-division photo-detector
KR900003687B1 (ko) 광학헤드
JP2746957B2 (ja) 焦点制御装置
JPH06274931A (ja) 光ピックアップおよび光ピックアップにおけるビーム整形機能を有するカップリングレンズ
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
JPH0434740A (ja) 光学ヘッド
US5202869A (en) Optical head device including diffraction grating
JP2653478B2 (ja) 焦点制御装置
HUT62419A (en) Optical scanner
JPS62202337A (ja) 光学式ピツクアツプ装置
JPS62202338A (ja) 光学式ピツクアツプ装置
JPS62298029A (ja) スポツト位置エラ−検出系
JPS6142739A (ja) 光ピツクアツプ
JP2659239B2 (ja) 光ヘッド
JP2932402B2 (ja) 光学的情報記録再生装置
JPH0684223A (ja) 光ピックアップ
US5218596A (en) Optical disc apparatus having a particular lasar source orientation
JP2806197B2 (ja) 光ピックアップ
JPH0227736B2 (US20110009641A1-20110113-C00273.png)
JPH04329Y2 (US20110009641A1-20110113-C00273.png)
JP2578203B2 (ja) 光ヘッド
JP2594957B2 (ja) 光記録再生装置
JPH0433546Y2 (US20110009641A1-20110113-C00273.png)