JPH0739055Y2 - 光ヘッド位置検出機構 - Google Patents

光ヘッド位置検出機構

Info

Publication number
JPH0739055Y2
JPH0739055Y2 JP1989080263U JP8026389U JPH0739055Y2 JP H0739055 Y2 JPH0739055 Y2 JP H0739055Y2 JP 1989080263 U JP1989080263 U JP 1989080263U JP 8026389 U JP8026389 U JP 8026389U JP H0739055 Y2 JPH0739055 Y2 JP H0739055Y2
Authority
JP
Japan
Prior art keywords
optical head
optical
magnet
slit
head position
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
JP1989080263U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0320027U (enrdf_load_stackoverflow
Inventor
一弘 宇佐見
Original Assignee
日本電気ホームエレクトロニクス株式会社
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 日本電気ホームエレクトロニクス株式会社 filed Critical 日本電気ホームエレクトロニクス株式会社
Priority to JP1989080263U priority Critical patent/JPH0739055Y2/ja
Publication of JPH0320027U publication Critical patent/JPH0320027U/ja
Application granted granted Critical
Publication of JPH0739055Y2 publication Critical patent/JPH0739055Y2/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)
JP1989080263U 1989-07-07 1989-07-07 光ヘッド位置検出機構 Expired - Lifetime JPH0739055Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989080263U JPH0739055Y2 (ja) 1989-07-07 1989-07-07 光ヘッド位置検出機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989080263U JPH0739055Y2 (ja) 1989-07-07 1989-07-07 光ヘッド位置検出機構

Publications (2)

Publication Number Publication Date
JPH0320027U JPH0320027U (enrdf_load_stackoverflow) 1991-02-27
JPH0739055Y2 true JPH0739055Y2 (ja) 1995-09-06

Family

ID=31625162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989080263U Expired - Lifetime JPH0739055Y2 (ja) 1989-07-07 1989-07-07 光ヘッド位置検出機構

Country Status (1)

Country Link
JP (1) JPH0739055Y2 (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182568A (ja) * 1984-02-29 1985-09-18 Sony Corp 情報記録および／または読取手段の位置制御装置
JPS62172537A (ja) * 1986-01-23 1987-07-29 Olympus Optical Co Ltd 光学的情報記録再生装置
JPS6414733A (en) * 1987-07-09 1989-01-18 Oki Electric Ind Co Ltd Optical head
JPS6421728A (en) * 1987-07-16 1989-01-25 Oki Electric Ind Co Ltd Optical head

Also Published As

Publication number Publication date
JPH0320027U (enrdf_load_stackoverflow) 1991-02-27

Similar Documents

Publication Publication Date Title
EP1503221B1 (en) Scanning range sensor
CN112014827B (zh) 物体检测装置
US5229669A (en) Compact linear motor drive unit
JPH08275490A (ja) エンコーダ付き電動モータ
JPH0739055Y2 (ja) 光ヘッド位置検出機構
JPH0626971Y2 (ja) 光ディスク装置
US5450386A (en) Optical disk device including a support member for movably supporting an objective lens in focusing and radial directions with respect to an optical disk
JPH0861917A (ja) 位置検知装置
JP3441517B2 (ja) 光学式情報記録再生装置
JP2736138B2 (ja) 位置検出装置およびそれを用いた回転形光学ヘッド
JPH0555069U (ja) 回転体の回転速度検出装置
JPH04212914A (ja) レンズ位置検出装置及び光学機器
JP2725504B2 (ja) 対物レンズ駆動装置
JPS5911761A (ja) 直流ブラシレスモ−タ
JPH0452811Y2 (enrdf_load_stackoverflow)
JPH0714189A (ja) 対物レンズ駆動装置
JPH1189204A (ja) 直流ブラシレスモータ
JPH0735575A (ja) 回転検出装置
JPH03168717A (ja) 光偏向装置
JPH0429213A (ja) 光偏向用モータ
JPH06215433A (ja) 光磁気ディスク装置
JPS61224149A (ja) 光学ヘツド
JPH0517511U (ja) 検出器モジユールの取付構造
JPH0562224A (ja) 対物レンズ駆動装置
JPH11132246A (ja) 磁気カップリング装置及び同装置の振動検出に好適な振動センサ