JPH02113809U - - Google Patents
Info
- Publication number
- JPH02113809U JPH02113809U JP2111089U JP2111089U JPH02113809U JP H02113809 U JPH02113809 U JP H02113809U JP 2111089 U JP2111089 U JP 2111089U JP 2111089 U JP2111089 U JP 2111089U JP H02113809 U JPH02113809 U JP H02113809U
- Authority
- JP
- Japan
- Prior art keywords
- sliding surface
- magnetic
- magnetic head
- thin film
- recording medium
- 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
- 239000010409 thin film Substances 0.000 claims 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
Description
第１図、第２図は、本考案による磁気ヘツドの
一実施例を示す斜視図。第３図は、本考案による
磁気ヘツドのコンパレータ回路を示す回路図。第
４図は、従来の磁気ヘツドの構造を示す斜視図で
ある。
１，２……磁気コア、３，４……巻線、５……
空隙形成材、６……ホルダ、７……締めつけねじ
、８……基板、８１，８２……抵抗体、８３……
出力端子、８４……導体、９１，９２……ケース
、２１……コンパレータ、２２……可変抵抗器。
1 and 2 are perspective views showing one embodiment of the magnetic head according to the present invention. FIG. 3 is a circuit diagram showing a comparator circuit for a magnetic head according to the present invention. FIG. 4 is a perspective view showing the structure of a conventional magnetic head. 1, 2...Magnetic core, 3, 4...Winding wire, 5...
Gap forming material, 6...Holder, 7...Tightening screw, 8...Substrate, 81, 82...Resistor, 83...
Output terminal, 84...conductor, 91, 92...case, 21...comparator, 22...variable resistor.
Claims (1)
し組み合わせ、磁気記録媒体との摺動面近傍の突
き合わせ部に空隙部を形成してなる磁気ヘツドに
おいて、Ｃ字状磁気コアの側面に２つの直列に接
続され、その中点より線を引き出した３端子の薄
膜状の抵抗体を具備し、摺動面側の抵抗体が磁気
コアの磁気記録媒体との摺動面の磨耗にともない
変化する抵抗値を検出する電子回路により磁気ヘ
ツド摺動面の磨耗を検出するよう薄膜状の抵抗体
を具備したことを特徴とする磁気ヘツド。 In a magnetic head in which two C-shaped magnetic cores each having a body wound with a wire are combined to face each other, and a gap is formed at the abutting portion near the sliding surface with the magnetic recording medium, the C-shaped magnetic core is It is equipped with two three-terminal thin film resistors connected in series on the side surfaces, with a wire drawn out from the middle point, and the resistor on the sliding surface side prevents wear of the sliding surface with the magnetic recording medium of the magnetic core. 1. A magnetic head comprising a thin film resistor so that wear of a sliding surface of the magnetic head is detected by an electronic circuit that detects a resistance value that changes with the movement of the magnetic head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2111089U JPH02113809U (en) | 1989-02-23 | 1989-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2111089U JPH02113809U (en) | 1989-02-23 | 1989-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02113809U true JPH02113809U (en) | 1990-09-12 |
Family
ID=31238049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2111089U Pending JPH02113809U (en) | 1989-02-23 | 1989-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02113809U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59119526A (en) * | 1982-12-27 | 1984-07-10 | Seiko Epson Corp | Magnetic head wear detector |
-
1989
- 1989-02-23 JP JP2111089U patent/JPH02113809U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59119526A (en) * | 1982-12-27 | 1984-07-10 | Seiko Epson Corp | Magnetic head wear detector |
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