JPH0314701U - - Google Patents
Info
- Publication number
- JPH0314701U JPH0314701U JP7173089U JP7173089U JPH0314701U JP H0314701 U JPH0314701 U JP H0314701U JP 7173089 U JP7173089 U JP 7173089U JP 7173089 U JP7173089 U JP 7173089U JP H0314701 U JPH0314701 U JP H0314701U
- Authority
- JP
- Japan
- Prior art keywords
- generating
- alternating current
- cores
- magnetic field
- magnetic fields
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
図は本考案の一実施例を示す概略図である。
２，３，５，７，１１……コイル、４，６，８
……コア、１０……交流電源、１２，１３，１４
……直流電源。
The figure is a schematic diagram showing an embodiment of the present invention. 2, 3, 5, 7, 11...Coil, 4, 6, 8
... Core, 10 ... AC power supply, 12, 13, 14
...DC power supply.
Claims (1)
特性が２乗特性である第１及び第２のコアと、該
第１及び第２のコアに大きさが等しく互いに逆位
相の第１及び第２の交流磁界をそれぞれ発生させ
る手段と、上記第１及び第２のコアに互いに極性
が等しく同一レベルの第１及び第２の直流磁界を
それぞれ発生させる手段と、上記第１及び第２の
直流磁界を打消す向きの第３の直流磁界を発生さ
せる手段を有することを特徴とする交流磁界発生
装置。 BHs facing each other with a magneto-optical disk in between
first and second cores whose characteristics are square-law characteristics; means for generating first and second alternating current magnetic fields having equal magnitudes and opposite phases in the first and second cores, respectively; means for respectively generating first and second DC magnetic fields of equal polarity and the same level in the first and second cores, and generating a third DC magnetic field in a direction that cancels the first and second DC magnetic fields; An alternating current magnetic field generating device characterized by having means for generating an alternating current magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173089U JPH0314701U (en) | 1989-06-21 | 1989-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173089U JPH0314701U (en) | 1989-06-21 | 1989-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314701U true JPH0314701U (en) | 1991-02-14 |
Family
ID=31609026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7173089U Pending JPH0314701U (en) | 1989-06-21 | 1989-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314701U (en) |
-
1989
- 1989-06-21 JP JP7173089U patent/JPH0314701U/ja active Pending
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