JPS63160042A - 光磁気記録装置のバイアス磁界発生装置 - Google Patents
光磁気記録装置のバイアス磁界発生装置Info
- Publication number
- JPS63160042A JPS63160042A JP61306222A JP30622286A JPS63160042A JP S63160042 A JPS63160042 A JP S63160042A JP 61306222 A JP61306222 A JP 61306222A JP 30622286 A JP30622286 A JP 30622286A JP S63160042 A JPS63160042 A JP S63160042A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- magnetic field
- turns
- electromagnet
- sectional area
- 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
Links
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
- Electromagnets (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61306222A JPS63160042A (ja) | 1986-12-24 | 1986-12-24 | 光磁気記録装置のバイアス磁界発生装置 |
US07/060,303 US4841407A (en) | 1986-06-16 | 1987-06-10 | Magnetic field generator having a plurality of coils for generating magnetic field in substantially the same space and method of driving the same |
EP87305339A EP0251561B1 (en) | 1986-06-16 | 1987-06-16 | Magnetic field generator |
DE8787305339T DE3781474T2 (de) | 1986-06-16 | 1987-06-16 | Magnetfelderzeuger. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61306222A JPS63160042A (ja) | 1986-12-24 | 1986-12-24 | 光磁気記録装置のバイアス磁界発生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63160042A true JPS63160042A (ja) | 1988-07-02 |
JPH057846B2 JPH057846B2 (enrdf_load_stackoverflow) | 1993-01-29 |
Family
ID=17954463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61306222A Granted JPS63160042A (ja) | 1986-06-16 | 1986-12-24 | 光磁気記録装置のバイアス磁界発生装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63160042A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0250302A (ja) * | 1988-08-12 | 1990-02-20 | Olympus Optical Co Ltd | 光磁気記録装置 |
-
1986
- 1986-12-24 JP JP61306222A patent/JPS63160042A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0250302A (ja) * | 1988-08-12 | 1990-02-20 | Olympus Optical Co Ltd | 光磁気記録装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH057846B2 (enrdf_load_stackoverflow) | 1993-01-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4841407A (en) | Magnetic field generator having a plurality of coils for generating magnetic field in substantially the same space and method of driving the same | |
JP2563597B2 (ja) | 複合型薄膜磁気ヘッド | |
EP0545579B1 (en) | External magnetic field generation apparatus and a magneto-optical recording apparatus | |
KR850006944A (ko) | 디지탈(digital) 자기기록 재생장치 | |
CA2085763C (en) | Magnetic head driving device | |
JPS63160042A (ja) | 光磁気記録装置のバイアス磁界発生装置 | |
JP2003529871A (ja) | データ記憶装置における磁界保持電流と共に使用されるのに適当なパルス書込み電流 | |
JP3070516B2 (ja) | 光ディスク装置 | |
JPS62295406A (ja) | 光磁気記録装置のバイアス磁界発生装置 | |
JPS63160041A (ja) | 光磁気記録装置のバイアス磁界発生装置 | |
US5587851A (en) | Magnetic head driving device with prerecording energization | |
JP2880743B2 (ja) | 光磁気記録用外部印加磁界供給装置 | |
JP3137501B2 (ja) | 磁界印加装置 | |
JPH0668810B2 (ja) | フロッピーディスク装置 | |
JPS58222475A (ja) | 磁気デイスクメモリ電源 | |
JP2609684B2 (ja) | 磁界発生装置 | |
JPH04188404A (ja) | 磁気ヘッド装置 | |
JPS6234308A (ja) | デ−タ書き込み回路 | |
JPS62128045A (ja) | 光磁気記録再生装置 | |
JPH0766486B2 (ja) | 双極性磁界発生装置 | |
JPH0573806A (ja) | バイアス磁界発生コイルの駆動装置 | |
JPH05114104A (ja) | バイアス磁界制御装置 | |
JPS6117069B2 (enrdf_load_stackoverflow) | ||
JPS6187206A (ja) | 磁気記録装置の消去用磁気ヘツド | |
JPH01276402A (ja) | 磁気記録再生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |