JPH0568761B2 - - Google Patents

Info

Publication number
JPH0568761B2
JPH0568761B2 JP12718287A JP12718287A JPH0568761B2 JP H0568761 B2 JPH0568761 B2 JP H0568761B2 JP 12718287 A JP12718287 A JP 12718287A JP 12718287 A JP12718287 A JP 12718287A JP H0568761 B2 JPH0568761 B2 JP H0568761B2
Authority
JP
Japan
Prior art keywords
magnetic
pole piece
magnetic pole
magnetic field
plate
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
JP12718287A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63292402A (ja
Inventor
Katsuhide Tanoshima
Yasuhiro Suzuki
Shizuo Nagata
Yasuo Shimizu
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP12718287A priority Critical patent/JPS63292402A/ja
Priority to US07/153,724 priority patent/US4813007A/en
Priority to EP88301127A priority patent/EP0278756B1/en
Priority to DE8888301127T priority patent/DE3860837D1/de
Publication of JPS63292402A publication Critical patent/JPS63292402A/ja
Publication of JPH0568761B2 publication Critical patent/JPH0568761B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
JP12718287A 1987-02-13 1987-05-26 外部磁界発生装置 Granted JPS63292402A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12718287A JPS63292402A (ja) 1987-05-26 1987-05-26 外部磁界発生装置
US07/153,724 US4813007A (en) 1987-02-13 1988-02-08 External magnetic field generating device
EP88301127A EP0278756B1 (en) 1987-02-13 1988-02-11 Magnetic field generators
DE8888301127T DE3860837D1 (de) 1987-02-13 1988-02-11 Magnetfeldgenerator.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12718287A JPS63292402A (ja) 1987-05-26 1987-05-26 外部磁界発生装置

Publications (2)

Publication Number Publication Date
JPS63292402A JPS63292402A (ja) 1988-11-29
JPH0568761B2 true JPH0568761B2 (enrdf_load_stackoverflow) 1993-09-29

Family

ID=14953705

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12718287A Granted JPS63292402A (ja) 1987-02-13 1987-05-26 外部磁界発生装置

Country Status (1)

Country Link
JP (1) JPS63292402A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS63292402A (ja) 1988-11-29

Similar Documents

Publication Publication Date Title
US5490124A (en) Write and erase assembly for magneto-optic drive apparatus
JPH0568761B2 (enrdf_load_stackoverflow)
US4813007A (en) External magnetic field generating device
JPH0633524Y2 (ja) 外部磁界発生装置
JPH04356748A (ja) 光磁気記録装置
JPH05303790A (ja) 光磁気ディスク装置
JPH0633523Y2 (ja) 外部磁界発生装置
JP3499087B2 (ja) カメラ用駆動装置
JPH06119670A (ja) ディスクカートリッジ
JP2921203B2 (ja) 光磁気ディスクの磁場印加機構
JPH04305839A (ja) 光磁気ディスク装置
JPH03162734A (ja) 光磁気記録再生装置
JPH01176347A (ja) 光磁気記録装置
JPS62283402A (ja) バイアス磁界印加装置
JPS61214101A (ja) 光磁気記録装置
JPH03230383A (ja) 磁気記憶装置における磁気カード位置決め方式
JPS6233351A (ja) 光磁気記録再生装置
JPH0249202A (ja) 光磁気ディスク用磁気バイアス装置
JPH03203002A (ja) バイアス磁界反転装置
JPS62128045A (ja) 光磁気記録再生装置
JPH03152781A (ja) オーバーライト可能光磁気ディスク用カートリッジ
JPH05135306A (ja) バイアス磁界印加装置
JPH08147789A (ja) 光磁気ディスク装置
JPH064806A (ja) 光ディスクドライブ用磁気ヘッド
JPH02173903A (ja) 光磁気ディスク用電磁石