JPS643801A - Magnetic field impressing electromagnet for magneto-optical disk - Google Patents

Magnetic field impressing electromagnet for magneto-optical disk

Info

Publication number
JPS643801A
JPS643801A JP15810587A JP15810587A JPS643801A JP S643801 A JPS643801 A JP S643801A JP 15810587 A JP15810587 A JP 15810587A JP 15810587 A JP15810587 A JP 15810587A JP S643801 A JPS643801 A JP S643801A
Authority
JP
Japan
Prior art keywords
magnetic
magnetic field
magneto
optical disk
high permeability
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
JP15810587A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0568762B2 (enExample
Inventor
Hideo Tanaka
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP15810587A priority Critical patent/JPS643801A/ja
Publication of JPS643801A publication Critical patent/JPS643801A/ja
Publication of JPH0568762B2 publication Critical patent/JPH0568762B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
JP15810587A 1987-06-24 1987-06-24 Magnetic field impressing electromagnet for magneto-optical disk Granted JPS643801A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15810587A JPS643801A (en) 1987-06-24 1987-06-24 Magnetic field impressing electromagnet for magneto-optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15810587A JPS643801A (en) 1987-06-24 1987-06-24 Magnetic field impressing electromagnet for magneto-optical disk

Publications (2)

Publication Number Publication Date
JPS643801A true JPS643801A (en) 1989-01-09
JPH0568762B2 JPH0568762B2 (enExample) 1993-09-29

Family

ID=15664413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15810587A Granted JPS643801A (en) 1987-06-24 1987-06-24 Magnetic field impressing electromagnet for magneto-optical disk

Country Status (1)

Country Link
JP (1) JPS643801A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625607A (en) * 1992-02-13 1997-04-29 Canon Kabushiki Kaisha Magneto-optical disk apparatus including two magnetic field applying devices, one of which has a substantial ring-shaped core member with a gap in a portion thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625607A (en) * 1992-02-13 1997-04-29 Canon Kabushiki Kaisha Magneto-optical disk apparatus including two magnetic field applying devices, one of which has a substantial ring-shaped core member with a gap in a portion thereof

Also Published As

Publication number Publication date
JPH0568762B2 (enExample) 1993-09-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees