JPH01162102U - - Google Patents
Info
- Publication number
- JPH01162102U JPH01162102U JP5919088U JP5919088U JPH01162102U JP H01162102 U JPH01162102 U JP H01162102U JP 5919088 U JP5919088 U JP 5919088U JP 5919088 U JP5919088 U JP 5919088U JP H01162102 U JPH01162102 U JP H01162102U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- magnetic field
- generator
- magnetic head
- magnetic
- 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 3
Landscapes
- Measuring Magnetic Variables (AREA)
Description
第１図はこの考案に係る磁気ヘツドの極性判定
装置の実施例を示したブロツク図である。第２図
及び第３図は従来例を示し、第２図はブロツク図
、第３図は極性判定のオシロスコープの表示図で
ある。
主な番号の説明、１：交流信号発生器、２：増
幅器、３：交流磁界発生器、４，１３：被試験磁
気ヘツド、５，１４：ヘツドアンプ、６：位相比
較器、７：ランプ駆動回路、８：ランプ、１１：
テープレコーダ、１２：テープ、１６：オシロス
コープ。
FIG. 1 is a block diagram showing an embodiment of a magnetic head polarity determination device according to this invention. 2 and 3 show a conventional example, FIG. 2 is a block diagram, and FIG. 3 is a display diagram of an oscilloscope for polarity determination. Explanation of main numbers: 1: AC signal generator, 2: Amplifier, 3: AC magnetic field generator, 4, 13: Magnetic head under test, 5, 14: Head amplifier, 6: Phase comparator, 7: Lamp drive circuit , 8: Lamp, 11:
Tape recorder, 12: tape, 16: oscilloscope.
Claims (1)
る交流磁界発生器と、この交流磁界発生器より発
生する交流磁界を検出する磁気ヘツドと、この磁
気ヘツドの出力交流信号と上記交流信号発生器の
基準交流信号とを位相比較する位相比較器とを備
えたことを特徴とする磁気ヘツドの極性判定装置
。 An AC magnetic field generator that generates an AC magnetic field using an AC signal from the AC signal generator, a magnetic head that detects the AC magnetic field generated by the AC magnetic field generator, and an AC signal output from the magnetic head and an AC signal generator. 1. A polarity determination device for a magnetic head, comprising a phase comparator that compares the phase with a reference AC signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5919088U JPH01162102U (en) | 1988-04-29 | 1988-04-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5919088U JPH01162102U (en) | 1988-04-29 | 1988-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162102U true JPH01162102U (en) | 1989-11-10 |
Family
ID=31284975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5919088U Pending JPH01162102U (en) | 1988-04-29 | 1988-04-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162102U (en) |
-
1988
- 1988-04-29 JP JP5919088U patent/JPH01162102U/ja active Pending
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